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510(k) Data Aggregation
(195 days)
|
| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients.
The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment.
The monitors are only for use on one patient at a time. They are not intended for use in transport situations. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only.
The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC11).
ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients.
BIS is intended for use under the direct supervision of a licensed health care practitioner or by personnel trained in its proper use. It is intended for use on adult and pediatric patients within a hospital or medical facility providing patient care to monitor the state of the brain by data acquisition of EEG signals. The BIS may be used as an aid in monitoring the effects of certain anesthetic agents. Use of BIS monitoring to help guide anesthetic administration may be associated with the reduction of the incidence of awareness with recall in adults during general anesthesia and sedation.
The SSC Sepsis Protocol in the ProtocolWatch clinical decision support tool, is intended for use with adult patients only.
The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (1 to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring.
The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients.
The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients.
The Masimo rainbow SET measurement is indicated for the noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2), pulse rate, carboxyhemoglobin saturation (SpCO), methemoglobin saturation (SpMet), total hemoglobin concentration (SpHb), and/or respiratory rate (RRac). The Masimo rainbow SET measurement is indicated for use during both no motion and motion conditions, and for patients who are well or poorly perfused.
The 4-Slot Module rack FMX-4 is intended to connect up to four particular plug-in physiological measurement modules to the dedicated host patient monitors.
The IntelliVue Patient Monitors MX750 and MX850 acquire multiple physiological patient signals, display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management. They operate with the external Measurement Modules and the IntelliVue 4-Slot Module Rack FMX-4, which establishes the connection between the individual plug-in measurement modules and the MX750 and MX850 monitors.
The monitors support multiple non-invasive and invasive measurements such as ECG, arrhythmia, ST, QT, SpO2, respiration rate, pulse rate, invasive and non-invasive blood pressure, temperature, CO2, tcpO2/ tcpCO2, C.O., CCO, intravascular SO2, Sv02, ScvO2, EEG, BIS, NMT, and gas analysis.
The monitors offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located in the patient vicinity at the bedside. These devices have a color display with a touch-screen as a primary input device. They also support keyboard and pointing devices such as a mouse.
The monitor models MX750 and MX850 differ mainly in size. Whilst MX750 has a 19" flat panel display, MX850 has a 22" display.
The hardware of the new 4-Slot Module Rack FMX-4 is very similar to that of its 8 years old predicate 4-Slot Module Rack FMS-4. The new FMX-4 has the same housing, which is made of the same material as FMS-4 but has a slightly different shade of color (same shade of color as the new MX750 and MX850 monitors). The FMX-4 has a new Printed Circuit Assembly with standard hardware components like CPU and memory being replaced by state of the art electronic components.
The software modifications comprise the following changes:
- Support of the new state-of-the-art electronic components.
- Modified elements of the Graphical User Interface.
- Implementation of a feature called Electronic Strip Recording. This feature allows electronic strips that can be reviewed on the monitor and printed out as a report on the printer.
- Modification of the existing feature Remote Applications to support HTML5 and PDF format.
This document is a 510(k) summary for the Philips IntelliVue Patient Monitors MX750 and MX850 and the IntelliVue 4-Slot Module Rack FMX-4. It states that these devices are substantially equivalent to previously cleared predicate devices (Philips IntelliVue Patient Monitor MX800 and Philips IntelliVue 4-Slot Module Rack FMS-4). The submission primarily focuses on hardware and software modifications to existing devices.
The information provided does not detail specific acceptance criteria and device performance in the format of a table with numerical values for metrics like sensitivity, specificity, or accuracy, as would be common for an AI/ML device study. Instead, it describes compliance with recognized consensus standards and general V&V activities. This is likely because the device is a patient monitor, and the modifications are primarily hardware updates and minor software changes to support the new hardware and improve existing functionalities, not a new AI/ML algorithm requiring extensive clinical performance validation against a pre-defined ground truth for diagnostic accuracy.
Therefore, many of the requested items (e.g., sample size for test set, number of experts for ground truth, adjudication method, MRMC comparative effectiveness study, standalone performance) are not explicitly addressed in the provided text as they pertain more to novel diagnostic or AI algorithms rather than general patient monitoring device updates.
I can, however, extract information about the types of tests conducted and general statements about meeting requirements.
1. Table of Acceptance Criteria and Reported Device Performance
The document does not provide a table with specific numerical acceptance criteria and corresponding device performance metrics (e.g., sensitivity, specificity, AUC) for the various physiological parameters monitored by the device. Instead, it states that "Test methods and acceptance criteria were the same as those for the predicate devices and test results showed substantial equivalence with respect to safety and effectiveness."
The V&V activities focused on compliance with various international standards:
Acceptance Criteria (Compliance with Standards) | Reported Device Performance |
---|---|
AAMI / ANSI ES60601-1:2005/(R)2012 and A1:2012 (Ed. 3.1) (Electrical Safety) | All applicable requirements have been met. |
IEC 60601-1-2:2014 (Ed. 4) (EMC) | All applicable requirements have been met. |
IEC 60601-2-23:2011 (Ed.3) (Non-invasive sphygmomanometers) | All applicable requirements have been met. |
IEC 60601-2-25:2011 (Ed. 2) (Electrocardiographs) | All applicable requirements have been met. |
IEC 60601-2-27:2011(Ed. 3) (Electrocardiographic monitoring equipment) | All applicable requirements have been met. |
IEC 80601-2-30:2009 (Ed. 1.1) and A1:2013 (Automated non-invasive sphygmomanometers) | All applicable requirements have been met. |
IEC 60601-2-34:2011(Ed.3) (Invasive blood pressure monitoring equipment) | All applicable requirements have been met. |
ISO 80601-2-55:2018 (Ed. 2) (Respiratory gas monitors) | All applicable requirements have been met. |
ISO 80601-2-56:2017 (Ed. 2) and A1:2018 (Clinical thermometers) | All applicable requirements have been met. |
ISO 80601-2-61:2017 (Ed. 2) and Corr1:2018 (Pulse oximetry equipment) | All applicable requirements have been met. |
IEC 60601-1-8:2006 (Ed. 2.1) and A1:2012 (Alarm systems) | All applicable requirements have been met. |
IEC 62304:2006 (Ed. 1.1) and A1:2015 (Software lifecycle processes) | All applicable requirements have been met. |
IEC 60601-1-6:2010 (Ed.3.1) and A1:2013 (Usability) | All applicable requirements have been met. |
Environmental Testing (Mechanical: Shock, vibration, free fall; Climatic: Temp, humidity) | Specified test requirements have been met. |
Human Factors Engineering Testing (GUI evaluation) | All specified test requirements have been met and no new hazards have been identified. User feedback led to iterative UI improvements. |
WLAN Coexistence Testing | The specified pass/fail criteria has been met. |
Software tests (Safety risk, Software specifications, Security risk) | All tests have been passed. |
Overall Conclusion | The results demonstrate that the Philips IntelliVue Patient Monitors MX750, MX850 and the IntelliVue 4-Slot Module Rack FMX-4 meet all defined reliability requirements and performance claims. |
2. Sample size used for the test set and the data provenance
The document does not specify a "test set" in terms of subject count or data record count for performance evaluation in the context of, for example, diagnostic algorithm accuracy. The studies described are primarily engineering validation and verification tests against established standards. Therefore, information regarding data provenance (e.g., country of origin, retrospective/prospective) is not provided.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts
As there is no "test set" described for a diagnostic algorithm, this information is not applicable and not provided in the document. The human factors engineering testing involved "focus groups" and "expert reviews," but the number and qualifications of these experts are not specified, nor were they establishing ground truth for a diagnostic outcome.
4. Adjudication method for the test set
Not applicable, as no dedicated "test set" requiring adjudication for ground truth of a diagnostic outcome is described.
5. If a multi reader multi case (MRMC) comparative effectiveness study was done
No MRMC comparative effectiveness study is mentioned. The device is a patient monitor, and the submission concerns updates to an existing monitoring platform, not a new AI diagnostic aid that would typically warrant such a study.
6. If a standalone (i.e. algorithm only without human-in-the loop performance) was done
This concept is less applicable to a patient monitoring device update. The performance evaluation focuses on the device's ability to accurately measure and display physiological parameters and generate alarms in compliance with safety and performance standards, rather than an autonomous diagnostic algorithm. The document states the monitors are "for use by trained healthcare professionals."
7. The type of ground truth used
For the various measurement parameters (ECG, SpO2, etc.), the "ground truth" implicitly aligns with the accuracy and performance specifications outlined in the referenced standards (e.g., AAMI EC11 for ECG, ISO 80601-2-61 for pulse oximetry). These standards define acceptable deviations from known physical or simulated physiological signals. The document does not describe the establishment of ground truth in the context of expert consensus, pathology, or outcomes data, as would be relevant for a diagnostic AI algorithm.
8. The sample size for the training set
This information is not provided. The document primarily describes hardware and software updates to an existing system, rather than the development and training of a new AI/ML algorithm.
9. How the ground truth for the training set was established
Not applicable, as the document does not describe the development or training of a new AI/ML algorithm.
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(401 days)
------------------------------------------|
| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients.
The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment.
The monitors are additionally intended for use in transport situations within hospital environments.
The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only.
The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC 11).
ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients.
The transcutaneous gas measurement (tcGas) with the M1018A plug-in module is restricted to neonatal patients only.
BIS is intended for use under the direct supervision of a licensed health care practitioner or by personnel trained in its proper use. It is intended for use on adult and pediatric patients within a hospital or medical facility providing patient care to monitor the state of the brain by data acquisition of EEG signals. The BIS may be used as an aid in monitoring the effects of certain anesthetic agents. Use of BIS monitoring to help guide anesthetic administration may be associated with the reduction of the incidence of awareness with recall in adults during general anesthesia and sedation.
The SSC Sepsis Protocol, in the ProtocolWatch clinical decision support tool, is intended for use with adult patients only.
The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (1 to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring.
The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients.
The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients.
The Masimo rainbow SET measurement is indicated for the noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2), pulse rate, carboxyhemoglobin saturation (SpCO), methemoglobin saturation (SpMet), total hemoglobin concentration (SpHb), and/or respiratory rate (RRac). The Masimo rainbow SET measurement is indicated for use during both no motion and motion conditions, and for patients who are well or poorly perfused.
The noninvasive Masimo O3 Regional Oximeter System and accessories are intended for use as an adjunct monitor of absolute and trended regional hemoglobin oxygen saturation of blood (rSO2) in the cerebral region under the sensors. The Masimo O3 Regional Oximeter System and accessories are indicated for use on adults ≥40 kg and on pediatrics ≥5 kg and
The IntelliVue Patient Monitors MX500 and MX550 acquire multiple physiological patient signals, display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management. The monitors support multiple non-invasive and invasive measurements such as ECG, arrhythmia, ST, QT, SpO2, respiration rate, pulse rate, invasive and noninvasive blood pressure, temperature, CO2, tcpO2/ tcpCO2, C.O., CCO, intravascular SO2, SvO2, ScvO2, spirometry, EEG, BIS, NMT, and gas analysis.
The monitors offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located at the patient bedside vicinity and can also be used during patient transport inside hospitals.
The monitors have a color display with touchscreen as a primary input device. They also support a specialized remote control, keyboard and pointing devices such as a mouse. External displays can be connected to a built-in video port to provide an adaptive duplicate image of the primary display.
The monitors can interact with several compatible external measuring and auxiliary devices locally at the bedside or in transport situations and with the Central Station via LAN or wireless link.
Here's a breakdown of the acceptance criteria and the study information for the Philips IntelliVue Patient Monitors MX500 and MX550 based on the provided FDA 510(k) summary:
This submission is a 510(k) for modifications to an existing device, the IntelliVue Patient Monitors MX500 and MX550. The acceptance criteria and supporting studies primarily focus on demonstrating that the modifications do not introduce new questions of safety or effectiveness and that the modified device remains substantially equivalent to the predicate device.
1. Table of Acceptance Criteria and Reported Device Performance
Since this is an update to an existing device focusing on integrating new measurement modules (Masimo O3, IRMA CO2, ISA CO2) and updating EMC standards, the "acceptance criteria" are primarily related to meeting established performance standards for patient monitors and demonstrating that the new modules function as intended without compromising the overall device safety or efficacy. The document doesn't present specific numerical acceptance criteria for all physiological parameters of the overall monitor, but rather confirms compliance with recognized standards.
Acceptance Criteria Category | Details/Standard Adherence | Reported Device Performance |
---|---|---|
General Safety and Performance | Demonstrated compliance with harmonized standards. | Passed all safety tests for demonstrated compliance with harmonized standards. |
Software Life Cycle Processes | IEC 62304:2015 Edition 1.1 (consolidated version) - Medical device software - software life cycle processes. | Complies. Software Verification and Validation testing was conducted, and documentation was provided as recommended by FDA guidance. Software Level of Concern determined to be Major. |
Basic Safety and Essential Performance | AAMI/ANSI ES60601-1:2005/(R)2012 and A1:2012 (Ed. 3.1) - Medical Electrical Equipment - Part 1: General Requirements for Basic Safety and Essential Performance. | Complies. Electrical safety testing conducted. |
Electromagnetic Compatibility (EMC) | IEC 60601-1-2:2014 (Ed. 4.0) - Medical Electrical Equipment - Part 1-2: General Requirements For Basic Safety And Essential Performance - Collateral Standard: Electromagnetic Disturbances - Requirements And Tests. | Complies. EMC testing conducted. Note: The predicate device conformed to Ed. 3; the subject device updates to Ed. 4. |
Alarm Systems | IEC 60601-1-8:2012 (Ed. 2.1) - Medical Electrical Equipment - Part 1-8: General requirements for basic safety and essential performance - Collateral standard: General requirements, tests and guidance for alarm systems. | Device passed tests for this standard. |
Respiratory Gas Monitors | ISO 80601-2-55:2011 (Ed. 1) - Medical Electrical Equipment - Part 2-55: Particular Requirements For The Basic Safety And Essential Performance Of Respiratory Gas Monitors. | Device passed tests for this standard. |
System Level Device Specifications | Bench testing for system level device specifications. | Verified through bench testing. |
Mechanical & Electrical Specifications | Bench testing for mechanical and electrical specifications. | Verified through bench testing. |
Packaging Integrity | Bench testing for packaging integrity. | Verified through bench testing. |
Shelf Life | Not applicable, as devices do not contain aging components. | No shelf life specified. |
Sterility | Not applicable, as devices are not sterile. | Sterilization not evaluated. |
Biocompatibility | Not applicable, as devices do not have patient contact. | Biocompatibility requirements are not applicable. Legally marketed medical accessories remain unchanged, so biocompatibility aspects are not affected. |
Functionality of Added Masimo O3 Module | Intended use as an adjunct monitor of absolute and trended regional hemoglobin oxygen saturation of blood (rSO2) in the cerebral region for adults ≥40 kg and pediatrics ≥5 kg and |
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(29 days)
|
| | §882.1420
The monitor is indicated for use by healthcare professionals whenever there is a need for monitoring the physiological parameters of patients.
The monitor is intended to be used for monitoring and recording of, and to generate alarms, for, multiple physiological parameters of adults, pediatrics, and neonates. The monitor is intended for use by trained healthcare professionals in a hospital environment.
The monitor is also intended for use during patient transport inside and outside of the hospital environment.
The monitor is only for use on one patient at a time. It is not intended for home use. Not a therapeutic device. The monitor is for prescription use only.
The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC 11).
ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients.
The IntelliVue Patient Monitors MP2, MP5, MP5, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX400, MX430, MX450, MX500, MX550, MX600, MX700, MX800 and the Multi-Measurement Module X2 acquire multiple physiological patient signals, display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management. The monitors support multiple non-invasive and invasive measurements such as ECG, arrhythmia, ST, QT, SpO2, respiration rate, pulse rate, heart rate, invasive and noninvasive blood pressure, temperature, CO2, tcpO2/ tcpCO2, C.O., CCO, intravascular SO2, Sv02, Scv02, spirometry, EEG, BIS, NMT, and gas analysis.
The monitors offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located in the patient vicinity at the bedside. Several monitor models can also be used mobile, during patient transport inside or outside of hospitals.
The monitors have a color display with touch-screen and/or keys and a navigation point as a primary input device. They also support a specialized remote control, keyboard and pointing devices such as a mouse. External displays can be connected to a built-in video port to provide an adaptive duplicate image of the primary display.
The monitors can interact with several compatible external measuring and auxiliary devices locally at the bedside or in transport situations and with the Central Station via LAN or wireless link.
The software of the IntelliVue Patient Monitors MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX400, MX430, MX450, MX550, MX600, MX700, and MX800, was modified to provide the feature Alarm Advisor. Legally marketed IntelliVue Patient Monitors provide the features Graphic Trends (displays for configurable time in a graphic form patient measurement data to show how this data develops over time) and Alarm Limits window (displays in a graphic form 15 min trends, alarm limits, and measurement values, and allows operator changing the limits manually on the basis of the displayed information).
In the new software Rev. M.0 of the subject devices MP5 to MX800, these functionalities were combined in one feature called Alarm Advisor in order to display in a graphic format for a configurable time trends, alarm limits, and measurement values and to allow operator changing the alarm limits manually.
Compared to Graphic Trends and Alarm Limits window, Alarm Advisor provides two enhancements: it gives feedback in case of recurring or continuous alarm limit violations in form of a notification and it allows operator to try out new alarm limits before setting them, with the help of the graphical trend information. When an operator tries a new alarm limit, Alarm Advisor shows the effect the new alarm limit would have had on the occurred alarm limit violations. The Alarm Advisor itself does not propose any specific alarm limit values. It also does not make any automatic alarm limit settings.
The combination of existing trending and alarm limit setting features and their enhancement joint in the Alarm Advisor feature, supports clinician in adapting alarm limits more specifically for individual patients.
The software of the IntelliVue Patient Monitors MP2, X2, MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX400, MX430, MX450, MX500, MX550, MX600, MX700, MX800, and the IntelliVue X2 Multi-Measurement Module was additionally modified to support configurable source of QRS tone. In the previously cleared IntelliVue Patient Monitors, the QRS tone can be derived from either HR or Pulse, depending on which is currently selected as the alarm source. In the modified IntelliVue Patient Monitors software Rev. M.0 this limitation has been eliminated so that the source of the QRS tone is free selectable between HR and Pulse.
The provided text describes software modifications to Philips IntelliVue Patient Monitors and the Multi-Measurement Module X2, focusing on the "Alarm Advisor" feature and configurable QRS tone source. The documentation outlines the verification and validation (V&V) activities undertaken to demonstrate the substantial equivalence of these modified devices to their previously cleared predicate devices.
Here's an analysis of the acceptance criteria and the study as presented in the document:
1. A table of acceptance criteria and the reported device performance:
The document doesn't provide a specific table contrasting acceptance criteria with numerical performance data in the traditional sense of diagnostic accuracy (e.g., sensitivity, specificity). Instead, the acceptance criteria are implicit in the pass/fail criteria of the various tests conducted, and the reported "performance" is that these criteria "have been met."
The primary acceptance criteria seem to be related to:
- Functionality: Correct operation, control, configuration, and functioning of the new features (Alarm Advisor and configurable QRS tone source) as specified and according to labeling claims.
- Safety and Effectiveness: Maintaining safe and effective operation of unchanged functions and adhering to relevant safety standards (e.g., IEC 60601-1-8 for the alarm system).
- Reliability: Meeting all defined reliability requirements and performance claims.
Since specific numerical performance metrics are not given, a table like the one requested cannot be fully constructed. However, we can represent the described V&V outcomes:
Acceptance Criterion | Reported Device Performance Statement |
---|---|
Hazard Analysis Requirements | All specified pass/fail criteria have been met. The test results confirmed the effectiveness of the implemented design risk mitigation measures. |
Functional Tests (Alarm Advisor) | All specified pass/fail criteria have been met. The conducted functional tests demonstrate that the new features in the IntelliVue Patient Monitors are correctly presented on the display, can be correctly operated, controlled, configured, and function as specified and according to the labeling claims. |
Functional Tests (Configurable QRS) | All specified pass/fail criteria have been met. The conducted functional tests demonstrate that the new features in the IntelliVue Patient Monitors are correctly presented on the display, can be correctly operated, controlled, configured, and function as specified and according to the labeling claims. |
Regression Tests (Unchanged Functions) | All specified pass/fail criteria have been met. The regression tests demonstrate that the modified patient monitors work safely, effectively, and correctly in accordance with all specifications and labeling claims. |
Regression Tests (Alarm System) | All applicable pass/fail criteria have been met, according to the alarm standard IEC 60601-1-8. |
Overall Reliability and Performance | Verification, validation, and testing activities establish the performance, functionality, and reliability characteristics of the modified devices with respect to the specific predicates. V&V testing comprised functionality and regression testing at unit, integration, and system level, and safety and performance tests according to the recognized consensus alarm standard. The results demonstrate that the Philips IntelliVue Patient Monitors... meet all defined reliability requirements and performance claims. |
2. Sample size used for the test set and the data provenance:
The document does not specify a "test set" in terms of patient data or case numbers. The V&V activities described are primarily software testing, including functional tests, regression tests, and hazard analysis.
- Sample Size: Not applicable in the context of patient data for performance evaluation in this document. The "sample" would be the software itself and its functionalities.
- Data Provenance: Not applicable as it's not a study on clinical data. The tests were likely conducted on simulated environments or test benches in a laboratory setting by the manufacturer, Philips Medizin Systeme Boeblingen GmbH (Germany).
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts:
This information is not provided. Since the V&V activities relate to software functionality and technical standards rather than clinical diagnostic performance, the "ground truth" would be established by technical specifications, design documents, and relevant industry standards (e.g., AAMI EC 11 for ECG, IEC 60601-1-8 for alarms). Expert clinical review for establishing a "ground truth" on patient data is not described for these specific software modifications.
4. Adjudication method for the test set:
Not applicable. The V&V activities described are technical tests against predefined internal and external (standards-based) criteria, not clinical case adjudication.
5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance:
No, an MRMC comparative effectiveness study was not done. The device modifications ("Alarm Advisor" and configurable QRS tone) are enhancements to existing monitoring features and do not describe an AI component that would assist human readers in interpretation or diagnosis. The Alarm Advisor
"supports clinicians in adapting alarm limits more specifically for individual patients" by providing graphical trend information and allowing "trying out" new alarm limits, but it "does not propose any specific alarm limit values" nor "make any automatic alarm limit settings." Therefore, it's not an AI-assisted diagnostic tool as typically evaluated by MRMC studies.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done:
No, a standalone algorithm-only performance study was not done for a diagnostic algorithm. The Alarm Advisor and configurable QRS tone are integrated software features of a patient monitor, and their performance is evaluated in the context of their functional correctness and compliance with specifications, not as a standalone diagnostic algorithm.
7. The type of ground truth used:
The ground truth for the V&V activities was based on:
- Technical Specifications: Internal design documents and functional requirements for the software features.
- Industry Standards:
- AAMI EC 11 for ECG measurement (mentioned in the Indications for Use for various monitor models).
- IEC 60601-1-8 for the alarm system (specifically mentioned for regression tests of the alarm system).
- Hazard Analysis: Ensuring risks are mitigated as per established safety protocols.
- Predicate Device Performance: Pass/fail criteria were based on specifications cleared for the predicate devices, ensuring substantial equivalence.
8. The sample size for the training set:
Not applicable. This document describes V&V activities for software modifications to existing patient monitors, not the development or training of an AI algorithm from a dataset.
9. How the ground truth for the training set was established:
Not applicable, as there is no mention of a training set for an AI algorithm.
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(29 days)
electroencephalogram signal | GMS | I | 882.1420
The Infinity Delta Series Monitor (Delta/Delta XL/Kappa) are capable of
- monitoring:
- · Heart rate
- · Respiration rate
- · Invasive pressure
- · Non-invasive pressure
- · Arrhythmia
- · Temperature
- · Cardiac output
- · Arterial oxygen saturation
- · Pulse rate
- · Apnea
- · ST Segment Analysis
- 12-Lead ST Segment Analysis
- · tcp02/tcpC02
- · EEG signals
- · FiO2
- etCO2
- · Respiratory mechanics
- · Anesthetic agents
- · Neuromuscular transmission
The devices are intended to be used in the environment where patient care is provided by Healthcare Professionals, i.e. Physicians. Nurses, and Technicians, who will determine when use of the device is indicated, based upon their professional assessment of the patient's medical condition.
The Infinity Delta Series (Delta XL/Kappa) monitors are intended to be used on adult, pediatric, and neonatal populations, with the exception of the parameter Cardiac Output, ST Segment Analysis, and arthythmia which are intended for use in the adult and pediations only; and tcp02, which for the neonatal population, is to only be used when the patient is not under gas anesthesia.
For combination with Scio gas module:
Scio gas module samples breathing gases from adults and pediatrics. The gas module continuously measure the content of CO2, N2O, O2 and one of the anesthetic agents, Halothane, Enflurane, Sevoflurane and Desflurane in any mixture and communicates real time and derived gas information to the Infinity monitors.
Infinity Delta and Kappa Series Monitors (Delta XL/ Kappa) are multi-parameter patient monitors intended for use at the patient bedside for the collection of physiological data. The intent of this 510(k) is to describe the proposed software and hardware modifications to the Infinity Delta and Kappa Series Monitors version VF9.1 which includes the integration of an alternative etCO2 solution for the Delta and Delta XL patient monitors as well as software enhancements for the Delta, Delta XL and Kappa patient monitors.
The provided text is a 510(k) summary for the Infinity Delta, Infinity Delta XL, and Infinity Kappa patient monitors. It describes software and hardware modifications to the existing devices, primarily the integration of an alternative etCO2 solution. However, it does not contain a study that proves the device meets specific acceptance criteria with detailed performance metrics, sample sizes, or ground truth establishment.
Instead, the summary states:
- "The substantial equivalence was assessed via internal verification tests, validation evaluations and external tests to FDA recognized consensus standards."
- "Performance data related to each proposed modification has been tested and evaluated."
- "High level summary reports are included in this special 510k demonstrate the changes to the monitors are substantially equivalent to the predicate devices."
- "The modified Infinity Delta and Kappa Series Monitors have been tested in accordance with applicable standards and internal design control procedures and were determined to be as safe and effective as the predicate device for its intended use."
This indicates that testing was performed, but the details of those tests, including specific acceptance criteria and detailed performance results, are not present in this document. The document focuses on demonstrating substantial equivalence to a predicate device (K070566) rather than providing a detailed performance study against specific acceptance criteria for a novel device.
Therefore, I cannot extract the requested information regarding acceptance criteria, reported performance, sample sizes, ground truth, or adjudication methods from the provided text. The document asserts that testing was done to ensure substantial equivalence, but it does not present the results of such testing in the format you've requested.
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(25 days)
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| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients. The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment. The MP40/MP50 monitors are additionally intended for use in transport situations within hospital environments. The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only. The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC 11). ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients. The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients. The transcutaneous gas measurement (tcGas) is restricted to neonatal patients only. BIS is intended for use under the direct supervision of a licensed health care practitioner or by personnel trained in its proper use. It is intended for use on adult and pediatric patients within a hospital or medical facility providing patient care to monitor the state of the brain by data acquisition of EEG signals. The BIS may be used as an aid in monitoring the effects of certain anesthetic agents. Use of BIS monitoring to help guide anesthetic administration may be associated with the reduction of the incidence of awareness with recall in adults during general anesthesia and sedation. The SSC Sepsis Protocol, in the ProtocolWatch clinical decision support tool, is intended for use with adult patients only. The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (1 to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring. The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients.
The subject devices Philips IntelliVue Patient Monitor family comprises the multiparameter patient monitor models: Intelli Vue Patient Monitors MP40, MP50, MP60, MP70, MP80, MP90 and MX500, MX50, MX600, MX700, MX800 that consist of display units including built-in or separate flat panel displays and central processing units (CPU) and physiological measurement modules. The monitors acquire multiple physiological patient signals (via connected external measurement modules), display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management. The monitors offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located in the patient vicinity at the bedside. The monitors can also be used mobile, during patient transport in a hospital setting. The measurement sensors of the connected external measurement modules are applied at diverse bodily locations, depending on the actual physiological parameters monitored, e.g. on a patient's finger for the pulse oximetry or on a patient's upper arm for the non-invasive blood pressure. The monitors have a color display with touch-screen as a primary input device. They also support a specialized remote control, keyboard and pointing devices such as a mouse. One external display, which provides an adaptive duplicate image of the primary display, can be connected to a built-in video port. The monitors interact with the connected external measurement devices locally at the bedside or in transport situations and with the Central Station via LAN or wireless link. The subject modification extends the capability of IntelliVue Patient Monitors MP40, MP50, MP60, MP70, MP80, MP90 and MX500, MX550, MX600, MX700, MX800 by: - G7m Gas Analyzer (866173) . The legally marketed G5 Gas Analyzer Module (M1019A) used together with the IntelliVue Patient Monitors MP40 - MP90 and MX500-MX800 has been re-designed to create the new G7m Gas Analyzer Module (866173) intended for use with the Intelli Vue Patient Monitors MP40 - MP90 and MX500-MX800. When connected to a patient monitor, the G7m Gas Analyzer Module (866173) acquires airway gases of intubated patients and measures continuously carbon dioxide (CO2), oxygen (02), nitrous oxide (N20), and up to two of the automatically identified anesthetic agents Enflurane (ENF), Halothane (HAL), Isoflurane (ISO), Sevoflurane (SEV) or Desflurane (DES), and calculates the respiration rate. The IntelliVue Patient Monitors MP40 - MP90 and MX500-MX800 have additionally been modified to support the new G7m Gas Analyzer Module (866173). The modification for this purpose is limited to a minor software changes in the AGM/EGM Application Software Module (ASW). Additionally the software revision L.03 is made available for the entire IntelliVue Patient Monitors family.
The Philips IntelliVue Patient Monitors MP40, MP50, MP60, MP70, MP80, MP90, MX500, MX550, MX600, MX700, and MX800 with software revision L.03, and the new G7m Gas Analyzer Module (866173) underwent various verification and validation activities to demonstrate their performance and substantial equivalence to predicate devices.
1. Table of Acceptance Criteria and Reported Device Performance
The acceptance criteria for the device were based on various recognized consensus standards and the performance specifications cleared for the predicate devices. The document does not provide a specific table of acceptance criteria with numerical thresholds. Instead, it broadly states that "All specified pass/fail criteria have been met" and "The test results confirmed the effectiveness of the implemented design risk mitigation measures."
Acceptance Criteria Category | Standard/Basis | Reported Device Performance |
---|---|---|
Electromagnetic Compatibility (EMC) | IEC 60601-1-2:2007 Ed.3 | Met the requirements of the standard, demonstrating EMC with host devices. |
Safety and Performance | ANSI/AAMI ES60601:2005 +A1:2012, Ed. 3 (IEC 60601:2005 +A1:2012 MOD, Ed. 3); ISO 80601-2-55 First Edition 2011-12-15 (for G7m Gas Analyzer Module) | Met the requirements of these standards. |
Mechanical Testing (for G7m Gas Analyzer Module) | IEC TR60721-4-7 Class 7M1 and IEC 60068-2-xx standard series (shock and vibration) | Met the requirements, exhibiting robustness for hospital use and handling. |
Temperature and Humidity Testing (for G7m Gas Analyzer Module) | (No specific standard mentioned, but implies testing for climatic conditions) | Withstood simulated climatic conditions during operation and storage. |
Software Life Cycle Requirements | IEC 62304 'Medical devices software life cycle processes', 2006 | Ensured compliance with software life cycle processes. |
Hazard Analysis | (Not specified) | All specified pass/fail criteria met, confirming effectiveness of design risk mitigation. |
Functional and Performance Tests of New Features | (Based on specifications cleared for predicate devices) | New features (e.g., G7m Gas Analyzer Module support) were correctly implemented and exhibited expected functionality. |
2. Sample Size Used for the Test Set and Data Provenance
The document does not specify exact sample sizes for the test sets in any of the V&V activities. It refers to "host devices IntelliVue -Patient Monitors MP40 to MP90, and MX500 to MX800" for EMC testing and "host devices IntelliVue Patient Monitors" for safety and performance testing of the G7m module. No information is provided regarding the country of origin of the data or whether the studies were retrospective or prospective.
3. Number of Experts Used to Establish the Ground Truth for the Test Set and Their Qualifications
The document does not provide information about the number or qualifications of experts used to establish ground truth for any of the V&V activities. The tests primarily focus on engineering and compliance aspects rather than clinical expert consensus.
4. Adjudication Method for the Test Set
No adjudication method is described. The V&V activities appear to be based on objective measurements against predefined technical specifications and standards rather than subjective expert review.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
No MRMC comparative effectiveness study was mentioned. The documentation focuses on testing the device's adherence to technical standards and its functional performance, not on direct comparison of human reader performance with and without AI assistance. The device is a patient monitor, not an AI diagnostic tool that assists human readers in interpreting complex images or data.
6. Standalone (Algorithm Only Without Human-in-the-Loop Performance) Study
The studies described are inherently "standalone" in the sense that they evaluate the device's technical performance, safety, and functionality according to engineering standards. The focus is on the monitor's ability to accurately acquire, display, and alarm for physiological parameters, and the gas analyzer's ability to measure gases, independent of human interpretation of raw data for diagnosis. Thus, the V&V activities effectively serve as a standalone performance assessment within their scope.
7. Type of Ground Truth Used
The ground truth for the verification and validation activities was primarily based on:
- Recognized consensus standards: IEC 60601-1-2:2007 (EMC), ANSI/AAMI ES60601:2005 +A1:2012 / IEC 60601:2005 +A1:2012 (Safety), ISO 80601-2-55:2011 (Gas analyzer safety), IEC TR60721-4-7 series and IEC 60068-2-xx series (Mechanical), and IEC 62304:2006 (Software life cycle).
- Specifications cleared for the predicate devices: Performance claims and pass/fail criteria for the modified devices were benchmarked against those of previously cleared Philips IntelliVue Patient Monitors.
- Design risk mitigation measures: Effectiveness of these measures was confirmed through hazard analysis tests.
8. Sample Size for the Training Set
No training set is mentioned as this device is a patient physiological monitor and gas analyzer. It does not appear to involve machine learning or AI models that require a separate training set. The "modification for this purpose is limited to a minor software changes in the AGM/EGM Application Software Module (ASW)," suggesting traditional software development and testing.
9. How the Ground Truth for the Training Set Was Established
Not applicable, as no training set was used.
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(28 days)
Electroencephalograph |
| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients.
The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment. The monitors are additionally intended for use in transport situations within hospital environments.
The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only.
The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC11). ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients.
The transcutaneous gas measurement (tcGas) is restricted to neonatal patients only. The SSC Sepsis Protocol, in the ProtocolWatch clinical decision support tool, is intended for use with adult patients only.
The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (1 to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring.
The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients.
The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients.
The subject devices Intelli Vue Patient Monitors MX400, MX450, MX500, and MX550 are display units with a TFT LCD flat panel display and built-in CPU. The specific models differ in the size of their flat panel displays and in the number of supported external measurement modules.
MX400 has a 9" display, MX450 and MX500 have a 12" display and MX550 has a 15" display. In addition to the MX400 and MX450, the MX500 and MX550 models have three integrated slots for use with the dedicated external plug-in modules.
The monitors do not have any built-in measurements. They are intended to be connected to any one of the external IntelliVue family physiological multi-measurement modules and/or (MX500/MX550 only) to the IntelliVue plug-in measurement modules.
The monitors support multiple non-invasive and invasive measurements such as ECG, arrhythmia, ST, QT, SpO2, respiration rate, pulse rate, invasive and noninvasive blood pressure, temperature, CO2, C.O., CCO, intravascular SO2, spirometry, EEG, gas measurements, and NMT. The interaction with the patient depends on the monitored physiological parameter(s).
The monitors acquire multiple physiological patient signals (via connected external measurement modules), display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management.
The monitors offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located in the patient vicinity at the bedside. The monitors can also be used mobile, during patient transport in a hospital setting.
The measurement sensors of the connected external measurement modules are applied at diverse bodily locations, depending on the actual physiological parameters monitored, e.g. on a patient's finger for the pulse oximetry or on a patient's upper arm for the non-invasive blood pressure.
The monitors have a color display with touch-screen as a primary input device. They also support a specialized remote control, keyboard and pointing devices such as a mouse. One external display, which provides an adaptive duplicate image of the primary display, can be connected to a built-in video port.
The monitors interact with the connected external measurement devices locally at the bedside or in transport situations and with the Central Station via LAN or wireless link.
The modification, which is subject of this Premarket Notification, enables the IntelliVue Patient Monitors MX400, MX450, MX500, and MX550 via software update to support two additional features: Remote Display application and Remote Applications, The Remote Display application feature provides the possibility to view an independent monitor screen on an external display and to operate patient monitor from the external display.
The Remote Applications feature allows the user of the patient monitor to access remotely hosted, pre-configured applications made available by the hospital.
The added functionalities are the same as those already provided by other legally marketed Philips IntelliVue Patient Monitors, such as predicate model MX800. For access to the Remote Applications, the predicate Intelli Vue Patient Monitor MX800 supports commercial application server technology, whereas the modified IntelliVue Patient Monitors MX400, MX450, MX500, and MX550 support commercial application server technology as well as the HTML5 protocol for compatibility with standard web application servers
Here's a breakdown of the acceptance criteria and study information for the Philips IntelliVue Patient Monitors MX400, MX450, MX500, and MX550, based on the provided 510(k) summary:
This submission describes a software update to existing patient monitors, adding "Remote Display application" and "Remote Applications" features. Therefore, the V&V activities primarily focus on confirming the correct functioning of these new software features and ensuring that previously cleared functionalities are not negatively impacted.
1. Table of Acceptance Criteria and Reported Device Performance
Since this submission is a software update for existing devices, the "acceptance criteria" are primarily related to the successful implementation and verification of the new features and the continued performance of existing features. The document highlights the meeting of existing specifications and "pass/fail criteria" from previous clearances.
Acceptance Criteria Category | Specific Criteria (Implicit/Explicit) | Reported Device Performance |
---|---|---|
New Features Functionality | Remote Display Application: |
- Correct presentation of parameter data on the Remote Display.
- Correct presentation of alarm and/or INOP information on the Remote Display.
- Correct presentation of operating windows on the Remote Display.
- Ability to operate patient monitors from the Remote Display.
Remote Applications: - Correct display of remote applications on the monitor screen.
- Operability of remote applications with user input devices. | Remote Display Application:
"The conducted tests demonstrate that parameter data, alarm and/ or INOP information and operating windows provided by the modified patient monitors are correctly presented on the Remote Display and that the patient monitors can be operated from the Remote Display."
Remote Applications:
"The conducted tests demonstrate that the remote applications are correctly shown on the display of the modified patient monitors and can be operated with user input devices." |
| Safety & Risk Mitigation | - All specified pass/fail criteria from Hazard Analysis met. - Effectiveness of implemented design risk mitigation measures. | "All specified pass/fail criteria have been met. The test results confirmed the effectiveness of the implemented design risk mitigation measures." |
| Regression/Non-Interference | Unchanged and unaffected functions from the previous software (Rev. K.10) continue to work correctly with the new software (Rev. K.20). - Safe, effective, and correct operation according to all specifications and labeling claims of the predicate devices. | "The regression tests demonstrate that the modified patient monitors work safely, effectively, and correctly in accordance with all specifications and labeling claims."
"Pass/Fail criteria were based on the specifications cleared for the predicate devices and test results showed substantial equivalence." |
| General Reliability & Performance | Meeting all defined reliability requirements and performance claims. | "The results demonstrate that the Philips Intelli Vue Patient Monitors MX400, MX450, MX500, and MX550 meet all defined reliability requirements and performance claims." |
2. Sample Size Used for the Test Set and Data Provenance
The document does not explicitly state the "sample size" in terms of number of patients or cases for clinical data. Instead, the testing is described as functional and regression testing on the physical devices (monitors).
- Sample Size: Not applicable in the context of clinical patient data. The "sample" would be the specific hardware models (MX400, MX450, MX500, MX550) with the updated software (Rev. K.20). The tests were conducted on these devices.
- Data Provenance: Not applicable as it's not a clinical study involving patient data. The testing was an internal validation and verification (V&V) activity.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications of those Experts
Not applicable. The ground truth for this type of V&V (functional and regression testing of software features on a patient monitor) is the expected behavior and output of the device as defined by its specifications and design documents. It does not involve expert clinical assessment of patient data.
4. Adjudication Method for the Test Set
Not applicable. This was internal engineering and software testing against predefined functional and non-functional requirements and previous device specifications. It does not involve adjudication of clinical findings.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance
Not applicable. This submission is for a software update to a patient monitor, adding features for remote display and remote application access. It does not involve an AI component for interpretation or diagnosis, nor does it involve human readers assessing cases.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) was done
Not applicable. The device is a patient monitor, which continuously collects and displays physiological parameters. The new features (Remote Display and Remote Applications) are functionalities that enhance how users interact with and access data from the monitor. There isn't a standalone "algorithm" in the diagnostic or interpretative sense tested separately.
7. The Type of Ground Truth Used
The ground truth used for this V&V was based on:
- Device Specifications: The pre-defined expected outputs and behaviors of the patient monitor and its new features.
- Predicate Device Performance: The established performance and specifications of the previously cleared IntelliVue Patient Monitors (Rev. K.10 and MX800 models).
- Hazard Analysis Requirements: Safety criteria and risk mitigation effectiveness.
8. The Sample Size for the Training Set
Not applicable. This is not a machine learning or AI-based device that requires a training set of data. The "training" for the software involves its development, coding, and internal debugging processes, not a dataset in a machine learning context.
9. How the Ground Truth for the Training Set Was Established
Not applicable, as there is no training set in the machine learning sense.
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(115 days)
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| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients.
The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment.
The monitors are additionally intended for use in transport situations within hospital environments.
The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only.
The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI ECI I).
ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients.
The transcutaneous gas measurement (tcGas) is restricted to neonatal patients only.
BIS is intended for use under the direct supervision of a licensed health care practitioner or by personnel trained in its proper use. It is intended for use on adult and pediatric patients within a hospital or medical facility providing patient care to monitor the state of the brain by data acquisition of EEG signals. The BIS may be used as an aid in monitoring the effects of certain anesthetic agents.
Use of BIS monitoring to help guide anesthetic administration may be associated with the reduction of the incidence of awareness with recall in adults during general anesthesia and sedation.
The SSC Sepsis Protocol in the Protocol Watch clinical decision support tool, is intended for use with adult patients only.
The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (I to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring.
The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients.
The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients.
The IntelliVue Patient Monitors MX500 and MX550 are modification of the legally marketed IntelliVue Patient Monitor MP50.
The MX500 and MX550 are display units with a TFT LCD flat panel display and built-in CPU. The models MX500 and MX550 differ only in the size of their flat panel displays: MX500 has a 12" and MX550 has a 15" display.
The MX500 and MX550 do not have any built-in measurements. They can be connected to one Philips M3001A Multi-Measurement Server, M3002A (X2) Multi-Measurement Module, any one of the M3012A. M3015A/B or M3016A Measurement Server Extensions. plug-in measurement modules M1006B Invasive Blood Pressure, M1011A Intravascular SQ2, M1012A C.O. /CCO, M1014A Spirometry, M1020B SpQ2, M1027A EEG, M1029A Temperature, 865383 NMT, 865115 IntelliBridge EC10, to the 865298 (TcG10) Transcutaneous Gas Module and to the M1013A (G1) or M1019A (G5) Gas Modules. These external devices provide non-invasive and invasive measurements such as ECG with arrhythmia and ST, respiration, SpO2, NBP, invasive blood pressure, temperature, CO2, C.O., CCO, Intravascular SO2, Spirometry, EEG and NMT.
The MX500 and MX550 acquire multiple physiological patient signals (via connected external measurement modules). display measurement values, waves and trends, generate physiological and technical alarms, provide data recording and support patient data management.
The MX500 and MX550 offer a monitoring solution optimized for the surgical, cardiac, medical and neonatal care environments. They are located in the patient vicinity either at the bedside or used mobile, during patient transport in the hospital.
The MX500 and MX550 have a color display with touch-screen as primary input device. They also support a specialized remote control, keyboard and pointing devices such as a mouse.
The MX500 and MX550 interact with the connected external measurement devices locally at the bedside or in transport situations and with the Central Station via LAN or WLAN.
Here's a breakdown of the acceptance criteria and study information for the Philips IntelliVue Patient Monitors MX500 and MX550 based on the provided document:
1. Table of Acceptance Criteria and Reported Device Performance:
The document describes the acceptance criteria not in terms of specific performance metrics or a numerical table, but rather as meeting established standards and specifications. The reported device performance is stated generally as having met all these criteria.
Acceptance Criteria Category | Reported Device Performance |
---|---|
Recognized Consensus Standards | All applicable requirements met. |
IEC 60601-1-2:2001 +A1:2004 (EMC) | Met |
IEC 60601-1:1988 +A1:1991+A2:1995 (General Safety) | Met |
IEC 60601-1-8:2003 (Alarms) | Met |
IEC 62304:2006 (Software life cycle processes) | Met |
Environmental Testing | All specified test requirements met. Confirmed safe and according to specifications under general hospital conditions, handling, transport, and storage. |
(Temperature, Humidity) | Met |
(Mechanical testing: Shock, Vibration, Free Fall) | Met |
Regression Testing | All specified criteria met. Demonstrated safe, effective, and correct functioning in accordance with specifications and labeling. |
(Function tests of all physiological parameters) | Met |
(Recorder module) | Met |
(Display) | Met |
(Battery functionality, operating & charging time) | Met |
(Human interface) | Met |
(External interfaces) | Met |
(Alarming system) | Met |
(Tests identified by hazard analysis) | Met |
Pass/Fail Criteria | Based on specifications cleared for the predicate device. Test results showed substantial equivalence. |
2. Sample Size Used for the Test Set and Data Provenance:
The document does not explicitly state a "test set" in the context of clinical data for performance evaluation in the typical sense (e.g., patient cases). Instead, the testing described is primarily focused on engineering verification and validation (V&V) of the hardware and software against technical standards and the predicate device's specifications.
- Sample Size: Not applicable in the context of clinical patient data. The "sample" here refers to the number of IntelliVue Patient Monitor MX500 and MX550 devices tested during V&V activities. The exact number of devices tested is not specified, but it implies multiple units to ensure robustness across manufacturing.
- Data Provenance: The testing was conducted internally by Philips, a German company (Philips Medizin Systeme Boeblingen GmbH). It is retrospective in the sense that it's testing the developed product against predefined engineering and safety standards, rather than a prospective clinical trial gathering new patient data. The document does not mention any data from specific countries of origin related to patient cases.
3. Number of Experts Used to Establish the Ground Truth for the Test Set and Qualifications of Those Experts:
This information is not provided in the document. The "ground truth" in this context refers to engineering specifications and performance expectations, which would typically be established by product design and quality engineers, and regulatory specialists within Philips. There is no mention of external medical experts establishing ground truth for performance in a clinical validation study.
4. Adjudication Method for the Test Set:
This information is not provided. Given that the V&V activities are primarily engineering and safety compliance tests, the "adjudication method" would likely involve internal review and sign-off processes by engineering and quality assurance teams, rather than a clinical adjudication panel.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done:
No, an MRMC comparative effectiveness study was not conducted or described in this document. The submission focuses on demonstrating substantial equivalence to a predicate device (IntelliVue Patient Monitor MP50) through engineering and safety testing, not on improving human reader performance with AI assistance. The devices are patient monitors, not AI diagnostic tools.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done:
The devices are patient monitors which are inherently "human-in-the-loop" as they provide data for healthcare professionals. There isn't a standalone "algorithm-only" performance described, as the core function is to display physiological parameters for human interpretation and action.
7. The Type of Ground Truth Used:
The ground truth used for these V&V activities is primarily engineering specifications, recognized consensus standards, and the performance characteristics of the predicate device (IntelliVue Patient Monitor MP50). These standards and specifications define what is considered "correct" or "safe" performance for the device. There is no mention of pathology, expert consensus on patient cases, or outcomes data as a ground truth for this submission, as it's a device safety and performance submission, not a clinical diagnostic algorithm submission.
8. The Sample Size for the Training Set:
This information is not applicable and therefore not provided. The IntelliVue Patient Monitors MX500 and MX550 are not AI/ML-based algorithms that require a "training set" in the computational sense. They are hardware devices with embedded software designed to acquire, process, and display physiological signals based on established medical science and engineering principles.
9. How the Ground Truth for the Training Set Was Established:
This information is not applicable as there is no "training set" for these patient monitors.
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(57 days)
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| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients. The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment. The MP5 and MP5SC monitors are also intended for use during patient transport inside the hospital environment; only the MP5 monitor is for use during patient transport outside of the hospital environment. The MP5 and MP5SC when used with the TRx4841A/TRx4851A IntelliVue Telemetry System Transceiver or with the IntelliVue Cableless Measurement Devices, are intended for use in a hospital environment and during patient transport inside the hospital environment. The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only. The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC 11). ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients. The Predictive Temperature measurement is intended for use with adult and pediatric patients in a hospital environment. The SSC Sepsis Protocol, in the Protocol Watch clinical decision support tool, is intended for use with adult patients only. The Integrated Pulmonary Index (IPI) is intended for use with adult and pediatric (1 to 12 years) patients only. The IPI is an adjunct to and not intended to replace vital sign monitoring. The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients.
The Philips IntelliVue Patient Monitor family comprises the multi-parameter patient monitor models: IntelliVue Patient Monitors MP5 and MP5SC, that consist of display units including built-in and central processing units (CPU) and physiological measurements. All monitors share the same system architecture and exactly the same software is executed on each monitor. The IntelliVue Patient Monitors measure multiple physiological parameters such as surface ECG, invasive and non-invasive etc., generate alarms, record physiological pressure, signals, store derived data, and communicate derived data and alarms to central stations via the IntelliVue Clinical Network. The subject modification introduces the optional The Philips Tympanic Temperature Module (866149) for the IntelliVue Patient Monitors MP5 and MP5SC. This Tympanic Temperature extends the capability of the IntelliVue Patient Module Monitors MP5 and MP5SC to interface the Genius™ 2 Tympanic Temperature Probe (cleared by Covidien, K060649). Additionally the software revision J.21 is made available for the IntelliVue Patient Monitors MP5 and MP5SC.
The provided text is a 510(k) summary for a patient monitor and mainly focuses on showing substantial equivalence to previously cleared devices. It does not contain the kind of detailed study information (like sample sizes for test and training sets, data provenance, expert qualifications, ground truth establishment, or specific performance metrics with acceptance criteria) that would typically be associated with performance studies for AI/ML devices.
The document discusses "Verification & Validation Activities" but these primarily reference compliance with general safety and EMC standards (IEC 60601-1-2 and IEC 60601-1), environmental testing, and software functionality testing. These tests confirm the device works safely and to specifications, but they don't involve the kind of performance metrics against ground truth that your questions imply for AI/ML models.
The "acceptance criteria" discussed are largely implicit: that the device works safely, effectively, and correctly in accordance with specifications and labeling claims, and that all applicable requirements of the standards are met. "Reported device performance" is also general, stating it "worked safely and according to their specifications" and "met all reliability requirements and performance claims."
Therefore, based on the provided text, I cannot complete the requested tables and information for most of your points. This document is a regulatory submission for a patient monitor with an added temperature module and software update, not a clinical performance study for an AI/ML diagnostic or prognostic device.
If this were a document for an AI/ML device, the detailed information you requested would be crucial. Since it's not, I can only address what is present in the text.
Here's an attempt to answer the questions based only on the provided text, with many fields explicitly stated as "Not Applicable" or "Not Provided" due to the nature of the document:
1. Table of Acceptance Criteria and Reported Device Performance
Acceptance Criteria (Explicit or Implicit from Text) | Reported Device Performance (from Text) |
---|---|
Compliance with IEC 60601-1-2:2001 +A1:2004 (EMC) | "All applicable requirements have been met." |
Compliance with IEC 60601-1:1988 +A1:1991+A2:1995 (General Safety) | "All applicable requirements have been met." |
Withstand Environmental Testing (temperature, humidity, shock, vibration, free fall) | "All specified test requirements have been met. The tests confirmed that the IntelliVue Patient Monitors MP5 and MP5SC worked safely and according to their specifications and indicated claims during tests simulating general hospital conditions, handling and transport in hospital environments, and storage." |
Software Functionality and Hazard Analysis requirements met | "All specified criteria have been met. The tests demonstrated that the IntelliVue Patient Monitors MP5 and MP5SC worked safely, effectively, and correctly in accordance with specifications and labeling claims in the intended environment of use." |
Performance and reliability characteristics align with predicate devices | "Verification, validation, and testing activities establish the performance, functionality, and reliability characteristics of the modified devices with respect to the predicate... test results showed substantial equivalence. The results demonstrate that the Philips IntelliVue Patient Monitors MP5 and MP5SC meet all reliability requirements and performance claims." |
2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)
- Sample Size for Test Set: Not provided. The document describes engineering and system-level verification and validation, not a clinical trial with a "test set" in the context of AI/ML performance evaluation.
- Data Provenance (country of origin, retrospective/prospective): Not provided.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience)
- Not applicable. The "ground truth" for this monitoring device is its adherence to technical specifications, safety standards, and functional claims, not expert-labeled clinical data.
4. Adjudication method (e.g. 2+1, 3+1, none) for the test set
- Not applicable. No expert adjudication process is described.
5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance
- Not applicable. This is not an AI/ML diagnostic or prognostic device, and no MRMC study is mentioned.
6. If a standalone (i.e. algorithm only without human-in-the loop performance) was done
- Not applicable. This is a patient monitor, not an algorithm being evaluated for standalone performance in the context of AI/ML. Its performance is inherent in its operation (e.g., accuracy of parameter measurement, alarm functionality).
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)
- The "ground truth" for this device appears to be defined by its engineering specifications, adherence to recognized consensus standards (like IEC 60601), and functional requirements for safety and effectiveness.
8. The sample size for the training set
- Not applicable. This document does not describe an AI/ML model that requires a training set.
9. How the ground truth for the training set was established
- Not applicable. This document does not describe an AI/ML model or a training set.
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(19 days)
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| | §882.1420
The monitors are indicated for use by health care professionals whenever there is a need for monitoring the physiological parameters of patients. The monitors are intended to be used for monitoring and recording of, and to generate alarms for, multiple physiological parameters of adults, pediatrics, and neonates. The monitors are intended for use by trained healthcare professionals in a hospital environment. The monitors are only for use on one patient at a time. They are not intended for home use. Not therapeutic devices. The monitors are for prescription use only.
The Philips IntelliVue Patient Monitor family comprises the multi-parameter patient monitor models: X2, MP2, MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX600, MX700 and MX800 IntelliVue Patient Monitors that consist of display units including built-in or separate flat panel displays and central processing units (CPU) and physiological measurement modules. All monitors share the same system architecture and exactly the same software is executed on each monitor. The IntelliVue Patient Monitors measure multiple physiological parameters such as surface ECG; invasive and non-invasive generate alarms, record physiological pressure, a etc., signals, store derived data, and communicate derived data and central stations via the IntelliVue Clinical alarms to Network. The subject modification extends the capability of IntelliVue MP40, MP50, MP60, MP70, MP80, MP90, and MX600, MX700 and MX800' patient monitors to communicate with the new NMT module. The IntelliVue NMT Module is intended to be used as an objective neuromuscular transmission monitor, using accelerometry for measuring the muscle contraction following an electrical stimulation of a peripheral nerve. The NMT Module is intended to be used with adult and pediatric patients. The NMT has been added to list for MP20 - MP90, and MX600 -MX800 IntelliVue Patient Monitors Additionally the software revision J.08 is made available for the entire IntelliVue Patient Monitors family.
The Philips IntelliVue Patient Monitors (models X2, MP2, MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX600, MX700, and MX800) with software revision J.08, and the IntelliVue NMT Module, underwent verification, validation, and testing activities.
1. Table of Acceptance Criteria and Reported Device Performance:
The provided document does not explicitly list specific numerical acceptance criteria or detailed performance metrics for each parameter. Instead, it states that "Pass/Fail criteria were based on the specifications cleared for the predicate devices and test results showed substantial equivalence." The overall conclusion from this study is that "The results demonstrate that the Philips IntelliVue patient monitors meet all reliability requirements and performance claims."
Therefore, based on the provided text, the table would look like this:
Acceptance Criteria Category | Reported Device Performance |
---|---|
System Reliability | Met all reliability requirements. |
Performance Claims | Met all performance claims. |
Functionality | Established. |
Legally Marketed Predicate Device Specifications | Test results showed substantial equivalence to predicate devices. |
2. Sample Size Used for the Test Set and Data Provenance:
The document does not explicitly state the sample size used for the test set. It mentions "Testing involved system level and as well as testing from the hazard analysis." The data provenance (e.g., country of origin of the data, retrospective or prospective) is not specified.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications of Those Experts:
The document does not provide information on the number of experts used or their qualifications for establishing ground truth for a test set. The nature of the device (physiological monitors) suggests that "ground truth" would likely be established through physical measurements, calibration standards, or comparisons to known clinical gold standards rather than expert consensus on subjective interpretations of data, as might be the case for imaging devices.
4. Adjudication Method for the Test Set:
The document does not describe any adjudication method.
5. If a Multi-reader Multi-case (MRMC) Comparative Effectiveness Study Was Done, and the Effect Size of How Much Human Readers Improve with AI vs Without AI Assistance:
No MRMC comparative effectiveness study is mentioned, nor is there any discussion of AI assistance or human reader improvement. The device described is a patient monitor, not an AI-assisted diagnostic tool.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done:
The "performance" of patient monitors is inherently standalone in terms of data acquisition and initial processing. The document indicates that "Testing involved system level" which would include the device's algorithmic performance. However, there's no explicit separate "standalone" study described as would be the case for a diagnostic algorithm. The device functions as an algorithmic and hardware system to measure and display physiological parameters.
7. The Type of Ground Truth Used:
The document implies that ground truth was established by comparing the modified devices' performance against "specifications cleared for the predicate devices" and other "reliability requirements and performance claims." This suggests that the "ground truth" would be established through a combination of:
- Calibration Standards: For quantitative measurements (e.g., blood pressure, temperature, heart rate).
- Engineering Specifications: For functionality and alarm accuracy.
- Predicate Device Performance: For establishing substantial equivalence.
There is no mention of pathology, expert consensus (in the sense of subjective medical opinion on data interpretation), or outcomes data being directly used to establish ground truth in this summary.
8. The Sample Size for the Training Set:
The document does not mention a "training set" or "training data" in the context of machine learning or AI, as the device is a patient monitor and not a machine learning model requiring such a set.
9. How the Ground Truth for the Training Set Was Established:
As there is no mention of a training set, the method for establishing its ground truth is not applicable.
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(163 days)
|
| | §882.1420
The monitor is indicated for use by healthcare professionals whenever there is a need for monitoring the physiological parameters of patients. The monitor is intended to be used for monitoring and recording of, and to generate alarms, for, multiple physiological parameters of adults, pediatrics, and neonates. The monitor is intended for use by trained healthcare professionals in a hospital environment. The monitor is also intended for use during patient transport inside and outside of the hospital environment. The monitor is only for use on one patient at a time. It is not intended for home use. Not a therapeutic device. The monitor is for prescription use only. The ECG measurement is intended to be used for diagnostic recording of rhythm and detailed morphology of complex cardiac complexes (according to AAMI EC 11). ST segment monitoring is intended for use with adult patients only and is not clinically validated for use with neonatal and pediatric patients. The Predictive Temperature unit is intended for use with adult and pediatric patients in a hospital environment. The SSC Sepsis Protocol, in the ProtocolWatch clinical decision support tool, is intended for use with adult patients only. The derived measurement Pulse Pressure Variation (PPV) is intended for use with sedated patients receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia. The PPV measurement has been validated only for adult patients. The transcutaneous gas measurement (tcGas) is restricted to neonatal patients only. BIS is intended for use under the direct supervision of a licensed health care practitioner or by personnel trained in its proper use. It is intended for use on adult and pediatric patients within a hospital or medical facility providing patient care to monitor the state of the brain by data acquisition of EEG signals. The BIS may be used as an aid in monitoring the effects of certain anesthetic agents. Use of BIS monitoring to help guide anesthetic administration may be associated with the reduction of the incidence of awareness with recall in adults during general anesthesia and sedation.
The Philips IntelliVue Patient Monitors family comprises the multiparameter patient monitor series: MP2, X2, MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90 and MX600, MX700, and MX800. Each monitor consists of a display unit including built-in or separate central processing unit (CPU) and physiological measurement modules. All monitors share the same architecture of CPU units and exactly the same software is executed on each monitor. The monitors measure physiological parameters such as: Sp02, pulse, ECG, arrhythmia, ST, QT, respiration, invasive and noninvasive blood pressure, temperature, CO2, spirometry, C.O., CCO, tcp02/ tcpCO2, S02, Sv02, Scv02, EEG, and BIS. They generate alarms, record physiological signals, store derived data, and communicate derived data and alarms to the central station. IntelliVue series MP2, X2, MP5, MP5T, MP5SC, MP20, and MP30 are robust, portable, lightweight, compact in size and modular in design patient monitors with interfaces to dedicated external measurement devices. Models MP2, X2, MP5, MP5T, and MP5SC also incorporate multiple built-in physiological measurements. IntelliVue series MP40, MP50, MP60, MP70, MX600, MX700, and MX800 are patient monitors with built-in central processing unit, flat panel display and interfaces to dedicated external measurement devices. Models MX600, MX700, and MX800 have widescreen displays. IntelliVue series MP80 and MP90 are patient monitors with flat panel display and central processing unit as separate components. They have interfaces to dedicated external measurement devices.
Here's a breakdown of the acceptance criteria and the study information based on the provided text, structured as requested:
Acceptance Criteria and Device Performance Study for Philips IntelliVue Patient Monitors (Software Revision J.04)
Overview:
The submission describes a software modification to existing Philips IntelliVue Patient Monitors (MP2, X2, MP5, MP5T, MP5SC, MP20, MP30, MP40, MP50, MP60, MP70, MP80, MP90, MX600, MX700, and MX800) to introduce a new SpO2 intelligent alarm delay feature called 'Smart Alarm Delay'. The study aims to demonstrate that this modified device is as safe and effective as the predicate devices.
1. Table of Acceptance Criteria and Reported Device Performance
The document does not explicitly present a quantitative table of acceptance criteria with corresponding performance metrics for the 'Smart Alarm Delay' feature in the format often seen for diagnostic devices (e.g., sensitivity, specificity, accuracy). However, the "Summary of V&V activities" section outlines the general performance goals and outcomes.
Acceptance Criteria Category | Specific Criteria/Goal | Reported Device Performance |
---|---|---|
Clinical Evaluation | Users' understanding of the 'Smart Alarm Delay' feature as described in the Instructions for Use (IFU). | "The vast majority of test persons understood the implications of using the new SpO2 Smart Alarm Delay feature." |
Users' perception of the feature's usefulness and clinical meaningfulness. | "They regarded it as a helpful alternative to the existing SpO2 standard alarm delay." | |
Functionality Testing | Effectiveness of implemented design risk mitigation measures (from Hazard Analysis). | "The test results have confirmed the effectiveness of implemented design risk mitigation measures." |
Safe, effective, and according to specifications and IFU for SpO2 alarm derivation and delays of modified software. | "All specified criteria have been met. The test results have confirmed that the SpO2 alarm derivation and the SpO2 alarm delays of the modified IntelliVue Monitors have functioned safe, effective and according to the specifications and Instructions for Use." | |
Regression Testing | Functionality of related, unmodified software parts. | "All specified criteria have been met. The test results have confirmed that the SpO2 parameter of the modified IntelliVue Monitors have functioned safe, effective and according to the specifications and Instructions for Use." |
Functionality of alarms of the IntelliVue Patient Monitors. | "All specified criteria have been met. The test results have confirmed that the alarms of the modified IntelliVue Monitors have functioned safe, effective and according to the specifications and Instructions for Use." | |
Performance (Accuracy/Safety) | Device performance, accuracy, and compliance with SpO2 standard ISO 9919. | "The modification does not affect device performance in general and device accuracy in particular... The modification does also not affect any safety and performance aspects covered by the SpO2 standard ISO 9919. Therefore, verification and validation executed on the subject IntelliVue Patient Monitors according to the standard ISO 9919 prior to the minor modification... is still valid and covers the modified devices." |
2. Sample Size and Data Provenance for the Test Set
- Sample Size: The document does not specify the exact number of individuals (test persons) involved in the clinical evaluation. It refers to "two user groups - one consisting of physicians and one consisting of nurses" and later "the vast majority of test persons." This suggests a qualitative assessment rather than a statistically powered performance study.
- Data Provenance: Not explicitly stated, but clinical evaluation of user understanding implies prospective testing with healthcare professionals. The country of origin for this specific clinical evaluation is not mentioned.
3. Number of Experts and Qualifications for Ground Truth of the Test Set
- The "clinical evaluation" appears to focus on user comprehension and acceptance, not on establishing a traditional clinical "ground truth" for diagnostic accuracy.
- Number of Experts: Two user groups were formed: "one consisting of physicians and one consisting of nurses." The exact number of individuals within each group is not provided.
- Qualifications of Experts:
- Physicians
- Nurses
- No specific years of experience or subspecialty are mentioned.
4. Adjudication Method for the Test Set
Not applicable. The clinical evaluation described is a qualitative assessment of user understanding and perception, not a diagnostic accuracy study requiring adjudication of results.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
No. The document describes a software modification to an existing patient monitor to add an intelligent alarm delay feature. The "clinical evaluation" focused on user understanding and acceptance of this feature, not on comparing reader performance with and without AI assistance.
6. Standalone Performance Study (Algorithm Only)
No, not in the traditional sense of a standalone diagnostic algorithm performance study. The modification is an alarm delay feature within an existing monitoring system. The document states:
- "The new 'Smart Alarm Delay' feature is isolated from the SpO2 measurement algorithm, i.e. signal acquisition and numeric processing."
- "The devices hardware and all accessories including, but not limited to the SpO2 sensors remain completely unchanged."
- "The modification does not affect device performance in general and device accuracy in particular."
- Performance aspects covered by ISO 9919 from prior V&V are considered still valid.
This indicates that the fundamental SpO2 measurement accuracy itself was not re-evaluated as a standalone algorithm performance, as the algorithm for SpO2 measurement remained unchanged. The focus was on the alarm delay logic and its user-facing implications.
7. Type of Ground Truth Used
For the "clinical evaluation" regarding the 'Smart Alarm Delay' feature, the "ground truth" appears to be user understanding and subjective opinion as gathered directly from physicians and nurses. For the core SpO2 measurement, the ground truth and performance validation are based on prior verification and validation activities conducted according to ISO 9919 for the predicate device, which are deemed still valid.
8. Sample Size for the Training Set
Not applicable. This submission is for a software modification adding an alarm delay feature, not a machine learning or AI algorithm that requires a dedicated training set for model development. The 'Smart Alarm Delay' is described as being "based on the same fundamental principle" as the predicate's 'SatSeconds' alarm management technique, implying a rule-based or empirically derived logic rather than a learned model.
9. How the Ground Truth for the Training Set Was Established
Not applicable, as no training set for a machine learning model was described or used.
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