Search Results
Found 33 results
510(k) Data Aggregation
(226 days)
Classification Name:** Programmable Diagnostic Computer 21 CFR 870.1425
Fiberoptic Oximeter Catheter 21 CFR 870.1230
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HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module: The HemoSphere advanced monitor when used with the HemoSphere Swan-Ganz module and Edwards Swan-Ganz catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of cardiac output (continuous [CO] and intermittent [iCO]) and derived hemodynamic parameters in a hospital environment. Pulmonary artery blood temperature monitoring is used to compute continuous and intermittent CO with thermodilution technologies. It may also be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter and Swan-Ganz Jr catheter indications for use statements for information on target patient population specific to the catheter being used. Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
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HemoSphere Advanced Monitor with HemoSphere Oximetry Cable: The HemoSphere Advanced Monitor when used with the HemoSphere Oximetry Cable and Edwards oximetry catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of venous oxygen saturation (SvO2 and ScvO2) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used. Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
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HemoSphere Advanced Monitor with HemoSphere Pressure Cable: The HemoSphere advanced monitor when used with the HemoSphere pressure cable is indicated for use in adult and pediatric critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring of hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac sensor, FloTrac Jr sensor, Acumen IQ sensor, and TruWave disposable pressure transducer indications for use statements for information on target patient populations specific to the sensor/transducer being used. The Edwards Acumen Hypotension Prediction Index software feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events and the associated hemodynamics. The Acumen HPI feature is intended for use in surgical or non-surgical patients receiving advanced hemodynamic monitoring. The Acumen HPI feature is considered to be additional quantitative information regarding the patient's physiological condition for reference only and no therapeutic decisions should be made based solely on the Acumen Hypotension Prediction Index (HPI) parameter. Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
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HemoSphere Advanced Monitor with Acumen Assisted Fluid Management Feature and Acumen IQ Sensor: The Acumen Assisted Fluid Management (AFM) software feature provides the clinician with physiological insight into a patient's estimated response to fluid therapy and the associated hemodynamics. The Acumen AFM software feature is intended for use in surgical patients >=18 years of age, that require advanced hemodynamic monitoring. The Acumen AFM software feature offers suggestions regarding the patient's physiological condition and estimated response to fluid therapy. Acumen AFM fluid administration suggestions are offered to the clinician; the decision to administer a fluid bolus is made by the clinician, based upon review of the patient's hemodynamics. No therapeutic decisions should be made based solely on the Assisted Fluid Management suggestions. The Acumen Assisted Fluid Management software feature may be used with the Acumen AFM Cable and Acumen IQ fluid meter.
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HemoSphere Advanced Monitor with HemoSphere Technology Module and ForeSight Oximeter Cable: The non-invasive ForeSight oximeter cable is intended for use as an adjunct monitor of absolute regional hemoglobin oxygen saturation of blood under the sensors in individuals at risk for reduced-flow or no flow ischemic states. The ForeSight Oximeter Cable is also intended to monitor relative changes of total hemoglobin of blood under the sensors. The ForeSight Oximeter Cable is intended to allow for the display of StO2 and relative change in total hemoglobin on the HemoSphere advanced monitor.
- When used with large sensors, the ForeSight Oximeter Cable is indicated for use on adults and transitional adolescents >=40 kg.
- When used with medium sensors, the ForeSight Oximeter Cable is indicated for use on pediatric subjects >=3 kg.
- When used with small sensors, the ForeSight Oximeter Cable is indicated for cerebral use on pediatric subjects
The HemoSphere Advanced Monitor was designed to simplify the customer experience by providing one platform with modular solutions for all hemodynamic monitoring needs. The user can choose from available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function.
The provided FDA 510(k) clearance letter and summary for the Edwards Lifesciences HemoSphere Advanced Monitor (HEM1) and associated components outlines the device's indications for use and the testing performed to demonstrate substantial equivalence to predicate devices. However, it does not contain the detailed acceptance criteria or the specific study results (performance data) in the format typically required to answer your request fully, especially for acceptance criteria and performance of an AI/algorithm-based feature like the Hypotension Prediction Index (HPI) or Assisted Fluid Management (AFM).
The document states:
- "Completion of all verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications."
- "Measured and derived parameters were tested using a bench simulation. Additionally, system integration and mechanical testing was successfully conducted to verify the safety and effectiveness of the device. All tests passed."
- "Software verification testing was conducted, and documentation was provided per FDA's Guidance for Industry and FDA Staff, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices". All tests passed."
This indicates that internal performance specifications were met, but the specific metrics, thresholds, and study designs for achieving those specifications are not detailed in this public summary.
Therefore, I cannot populate the table with specific numerical performance data against acceptance criteria for the HPI or AFM features, nor can I provide details on sample size, expert ground truth establishment, or MRMC studies, as this information is not present in the provided text.
The text primarily focuses on:
- Substantial equivalence to predicate devices.
- Indications for Use for various HemoSphere configurations and modules.
- Description of software and hardware modifications (e.g., integration of HPI algorithm, new finger cuffs).
- General categories of testing performed (Usability, System Verification, Electrical Safety/EMC, Software Verification) with a blanket statement that "All tests passed."
Based on the provided document, here's what can and cannot be stated:
1. A table of acceptance criteria and the reported device performance
Cannot be provided with specific numerical data or thresholds from the given text. The document only states that "all verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications." No specific acceptance criteria values (e.g., "Accuracy > X%", "Sensitivity > Y%", "Mean Absolute Error
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(115 days)
| 21 CFR 870.1425
21 CFR 870.1230
HemoSphere Alta™ Advanced Monitor with Swan-Ganz Technology
The HemoSphere Alta monitor when used with the HemoSphere Alta Swan-Ganz patient cable and Edwards Swan-Ganz catheters is indicated for use in adult and petical care patients requiring monitoring of cardiac output (continuous [CO] and intermittent [iCO]) and derived hemodynamic parameters in a hospital environment. Pulmonary artery blood temperature monitoring is used to compute continuous and intermittent CO with thermodilution technologies. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed in a hospital environment. Refer to the Edwards Swan-Ganz Ir catheter indications for use statement for information on target patient population specific to the catheter being used.
The Global Hypoperfusion Index (GHI) algorithm provides the clinician with physiological insight into a patient's likelihood of future hemodynamic instability. The GHI algorithm is intended for use in surgical or non-surgical patients receiving advanced hemodynamic monitoring with the Swan-Ganz catheter. The GHI algorithm is considered to provide additional information regarding the patient's predicted future risk for clinical deterioration, as well as identifying patients at low risk for deterioration. The product predictions are for reference only and no therapeutic decisions should be made based solely on the GHI algorithm predictions.
When used in combination with a Swan-Ganz catheter connected to a pressure transducer, the Edwards Lifesciences Smart Wedge algorithm measures and provides pulmonary artery occlusion pressure and assesses the quality of the pulmonary artery occlusion pressurement. The Smart Wedge algorithm is indicated for use in critical care patients over 18 years of age receiving advanced hemodynamic monitoring. The Smart Wedge algorithm is considered to be additional quantitative information regarding the patient's physiological condition for reference only and no therapeutic decisions should be made based solely on the Smart Wedge algorithm parameters.
HemoSphere Alta Advanced Monitor with HemoSphere Oximetry Cable
The HemoSphere Alta monitor when used with the HemoSphere oximetry cable and Edwards oximetry catheters is indicated for use in adult and pediatric critical care patients requiring of venous oxygen saturation (SvO2 and ScvO2) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used.
HemoSphere Alta Advanced Monitor with HemoSphere Pressure Cable or HemoSphere Alta Monitor Pressure Cable
The HemoSphere Alta monitor when used with the HemoSphere Pressure Cable or HemoSphere Alta monitor Pressure cable is indicated for use in adult and pediatric critical care patients in which the balance between cardiac fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac, FloTrac Jr, Acumen IQ, and TruWave DPT sensor indications for use statement for information on target patient population specific to the sensor being used.
The Edwards Lifesciences Acumen Hypotension Prediction Index software feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events and the associated hemodynamics. The Acumen HPI feature is intended for use in surgical patients receiving advanced hemodynamic monitoring. The Acumen HPI feature is considered to be additional quantitative information regarding the patient's physiological condition for reference only and no therapeutic decisions should be made based solely on the Hypotension Prediction Index (HPI) parameter.
When used in combination with the Swan-Ganz technology connected to a compatible Swan-Ganz catheter, the Edward Lifesciences Right Ventricular Pressure (RVP) algorithm provides the clinician with physiological insight into the hemodynamic status of the right ventricle of the heart. The RVP algorithm is indicated for critically ill patients over 18 years of age receiving advanced hemodynamic monitoring in the operating room (OR) and intensive care unit (ICU). The RVP algorithm is considered to be additional quantitative information regarding the patient's physiological condition for reference only and no therapeutic decisions should be made based solely on the Right Ventricular Pressure (RVP) parameters.
When used in combination with the HemoSphere Pressure Cable connected to a compatible Swan-Ganz catheter, the Right Ventricular Cardiac Output (RVCO) feature provides the clinician with physiological insight into the hemodynamic status of the right ventricle of the heart. The RVCO algorithm is intended for use in surgical patients over 18 years of age that require advanced hemodynamic monitoring. The Right Ventricular Cardiac a continuous cardiac output and derived parameters.
The Cerebral Adaptive Index (CAI) Algorithm is an informational index to help assess the level of coherence or lack thereof between Mean Arterial Pressure (MAP) and the Absolute Levels of Blood Oxygenation Saturation (StO2) in patient's cerebral tissue. MAP is acquired by the HemoSphere pressure cable or HemoSphere Alta Pressure Cable and StO2 is acquired by the ForeSight oximeter cable. CAI is intended for use in patients over 18 years of age receiving advanced hemodynamic monitoring. CAI is not indicated to be used for treatment of any disease or condition and no therapeutic decisions should be made based solely on the Cerebral Adaptive Index (CAI) Algorithm.
HemoSphere Alta Advanced Monitor with Acumen Assisted Fluid Management Feature and Acumen IQ Sensor
The Acumen assisted fluid management (AFM) software feature provides the clinician with physiological insight into a patient's estimated response to fluid therapy and the associated hemodynamics. The Acumen AFM software feature is intended for use in surgical patients ≥18 years of age, that require advanced hemodynamic monitoring. The Acumen AFM software feature offers suggestions regarding the patient's physiological condition and estimated response to fluid therapy.
Acumen AFM fluid administration suggestions are offered to the clinician; the decision to administer a fluid bolus is made by the clinician, based upon review of the patient's hemodynamics. No therapeutic decisions should be made based solely on the assisted fluid management suggestions.
Acumen IQ Fluid Meter
The Acumen IQ fluid meter is a sterile single use device that is intended to be used with the HemoSphere Alta AFM cable and AFM software feature to inform the user of the rate of flow. The device is intended to be used by qualified personnel or clinicians in a clinical setting for up to 24 hours.
HemoSphere Alta Advanced Monitor with ForeSight Oximeter Cable
The non-invasive ForeSight oximeter cable is intended for use as an adjunct monitor of absolute regional hemoglobin oxygen saturation of blood under the sensors in individuals at risk for reduced flow or no-flow ischemic states. The ForeSight oximeter cable is also intended to monitor relative changes of total hemoglobin of blood under the sensors. The ForeSight oximeter cable is intended to allow for the display of StO2 and relative change in total hemoglobin on the HemoSphere Alta monitor.
• When used with large sensors, the ForeSight Oximeter Cable is indicated for use on adults and transitional adolescents ≥40 kg.
· When used with Medium Sensors, the ForeSight Oximeter Cable is indicated for use on pediatric subjects ≥3 kg.
· When used with Small Sensors, the ForeSight Oximeter Cable is indicated for cerebral use on pediatric subjects
The HemoSphere Alta Advanced Monitoring Platform is Edwards' next-generation platform that provides a means to interact with and visualize hemodynamic and volumetric data on a screen. It incorporates a comprehensive view of patient hemodynamic parameters with an intuitive and easy user interface. The HemoSphere Alta Advanced Monitoring Platform is designed to provide monitoring of cardiac flow with various core technologies coupled with other technologies-based features such as Algorithms and Interactions. It integrates Edwards existing Critical Care technologies into a unified platform.
The Right Ventricular Cardiac Output (RVCO) feature is a machinelearning algorithm that calculates and displays continuous cardiac output (CORV) from the right ventricle using as inputs the right ventricular pressure waveform and derived right ventricular pressure parameters such as SYSRVF, DIARVP, MRVP, RVEDP, PRRV and Max RV dP/dt from the existing Right Ventricular Pressure (RVP) algorithm and if available, intermittent cardiac output (iCO).
The provided text describes the HemoSphere Alta Advanced Monitoring Platform and its various features, as well as the testing conducted to support its 510(k) clearance. However, it does not contain specific acceptance criteria and detailed device performance data in the format of a table, nor does it provide a detailed study that proves the device meets specific acceptance criteria for any of its algorithms.
The document makes general statements about testing, such as:
- "Completion of all verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications."
- "Measured and derived parameters were tested using a bench simulation."
- "All tests passed."
- "Software verification testing were conducted, and documentation was provided per FDA's Guidance..." "All tests passed."
- "Usability study was conducted per FDA's guidance document... The usability study demonstrated that the intended users can perform primary operating functions and critical tasks of the system without any usability issues that may lead to patient or user harm."
While it mentions the Right Ventricular Cardiac Output (RVCO) algorithm as a new algorithm and states that "clinical data (waveforms) were collected in support of the design and validation of the RVCO algorithm," it does not present the detailed results of this validation study, nor does it define specific acceptance criteria for the RVCO algorithm and its performance against those criteria.
Therefore,Based on the provided text, I cannot provide the requested information in the form of a table of acceptance criteria and reported device performance for any specific algorithm, nor can I describe a detailed study that proves the device meets these criteria. The document contains general statements about testing and compliance but lacks the specific quantitative data and study design details needed to answer all aspects of your request.
To provide a complete answer, specific study reports and performance data would be required, which are not present in the provided FDA 510(k) summary.
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(188 days)
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| Regulation Number/
Regulation Name | 21 CFR §870.1240 - Catheter, Flow Directed
21 CFR §870.1230
The Swan-Ganz catheters are diagnostic and monitoring tools used for hemodynamic monitoring of adult critically ill patients including but not limited to post major surgical recovery, trauma, sepsis, burns, pulmonary disease, pulmonary failure, cardiac disease including heart failure.
The Swan-Ganz catheters are flow-directed pulmonary artery catheters used to monitor hemodynamic pressures. The Swan-Ganz thermodilution catheters provide diagnostic information to rapidly determine hemodynamic pressures and cardiac output when used with a compatible cardiac output computer.
The provided text is an FDA 510(k) clearance letter and summary for the Swan-Ganz catheter. It primarily details the regulatory process, device description, and indications for use.
Crucially, it does not contain information about acceptance criteria, device performance studies, sample sizes, ground truth establishment, or expert qualifications in the context of proving device performance against specific metrics. The document explicitly states:
"The subject Swan-Ganz Base and Advanced catheters are identical to the predicate devices cleared in K160084 and K222117 in terms of design, performance specifications, and technological characteristics with the exception of the indications for use statement and other portions of the labeling. The are no changes to the design, technology, performance, materials, or specifications of the devices in this 510(k). The modifications to the subject devices are limited to labeling changes."
This indicates that the current submission (K233824) is for a labeling change only, and therefore, the performance of the device itself (its ability to accurately monitor hemodynamic pressures) would have been established during the clearance of the predicate devices (K160084 and K222117), not in this particular submission.
Therefore, I cannot provide the requested information from the given text. The text does not describe an acceptance criteria or a study proving the device meets acceptance criteria related to its performance.
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(91 days)
| Programmable Diagnostic Computer 21 CFR 870.1425
Fiberoptic Oximeter Catheter 21 CFR 870.1230
The HemoSphere Alta monitor when used with the HemoSphere Alta Swan-Ganz patient cable and Edwards Swan-Ganz catheters is indicated for use in adult and pediatic critical care patients requiring of cardiac output (continuous [CO] and intermittent [CO]) and derived hemodynamic parameters in a hospital environment. Pulmonary artery blood temperature monitoring is used to compute continuous and intermittent CO with thermodilution technologies. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used.
The Global Hypoperfusion Index (GHI) algorithm provides the clinician with physiological insight into a patient's likelihood of future hemodynamic instability. The GHI algorithm provides the risk of a global hypoperfusion event (defined as SvO2 ≤ 60% for at least 1 minute) occurring in the next 10-15 minutes. The GHI algorithm is intended for use in surgical or non-surgical patients receiving advanced hemodynamic monitoring with the Swan-Ganz catheter. The GHI algorithm is considered to provide additional information regarding the patient's predicted future risk for clinical deterioration, as well as identifying patients at low risk for deterioration. The product predictions are for reference only and no therapeutic decisions should be made based solely on the GHI algorithm predictions.
HemoSphere Alta monitor with HemoSphere Oximetry Cable
The HemoSphere Alta monitor when used with the HemoSphere oximetry cable and Edwards oximetry catheters is indicated for use in adult and pediatric crtical care patients requring of venous oxygen saturation (SvO2 and ScvO2) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used. Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Alta Monitor with HemoSphere Pressure Cable
The HemoSphere Alta monitor when used with the HemoSphere pressure cable is indicated for use in critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring of hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac sensor, Acumen IQ sensor, and TruWave DPT indications for use statements for information on target patient populations specific to the sensor/transducer being used.
The Edwards Acumen Hypotension Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure
The HemoSphere Alta™ Advanced Monitoring Platform is Edwards' next-Device generation platform that provides a means to interact with and visualize Description: hemodynamic and volumetric data on a screen. The HemoSphere Alta™ Monitoring Platform provides an improved user interface utilizing the existing Edwards technologies and algorithms commercially available in the HemoSphere Advanced Monitoring Platform.
This FDA 510(k) summary for the Edwards Lifesciences HemoSphere Alta Advanced Monitoring Platform (K232294) primarily focuses on demonstrating substantial equivalence to predicate devices through technical comparisons and non-clinical performance validation. It explicitly states that "No new clinical testing was performed in support of the subject 510(k)." As such, the document does not provide specific acceptance criteria for AI/algorithm performance or details of a study proving the device meets such criteria through clinical data.
Instead, the submission emphasizes the device's functional and safety aspects, along with the integration of existing, previously cleared technologies and algorithms into a new hardware and software platform with an improved user interface.
Therefore, many of the requested sections below cannot be fully answered based on the provided text, as the focus was on non-clinical verification and substantial equivalence rather than new clinical performance studies for AI/algorithm features.
1. Table of Acceptance Criteria and Reported Device Performance
As per the provided document, specific acceptance criteria and detailed device performance metrics for individual AI/algorithm features (like HPI, GHI, AFM, RVP) are not detailed as part of a new clinical study for this 510(k) submission. The submission states, "No new clinical testing was performed in support of the subject 510(k)." The "Performance Data" section primarily discusses non-clinical verification.
The document states:
- "Completion of all verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications."
- "Measured and derived parameters were tested using a bench simulation."
- "System integration and mechanical testing was successfully conducted to verify the safety and effectiveness of the device. All tests passed."
- "Software verification testing were conducted... All tests passed."
This indicates that internal performance specifications were met, but these specifications themselves are not provided, nor is the performance against them quantified in this public summary.
2. Sample Size Used for the Test Set and Data Provenance
No test set for clinical performance of AI/algorithm features is described, as "No new clinical testing was performed." The device leverages existing, previously cleared algorithms.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Their Qualifications
Not applicable, as no new clinical test set for AI/algorithm performance is described. The AI/algorithm features leverage ground truth established in prior clearances for the predicate devices.
4. Adjudication Method for the Test Set
Not applicable, as no new clinical test set for AI/algorithm performance is described.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done
No MRMC comparative effectiveness study is mentioned, as "No new clinical testing was performed." The submission focuses on the HemoSphere Alta platform being a new generation integrating existing Edwards technologies and algorithms with an improved user interface and hardware.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done
The document does not describe new standalone performance studies for the AI/algorithm features. The AI/algorithm features (HPI, GHI, AFM, RVP) themselves were likely evaluated in standalone fashion during their original predicate clearances (e.g., K231038 for GHI). This 510(k) integrates these existing algorithms into a new platform.
7. Type of Ground Truth Used
The type of ground truth for the AI/algorithm features (HPI, GHI, AFM, RVP) would have been established during their original clearances. For this 510(k) submission, this information is not provided. Typically, hemodynamic algorithms like HPI or GHI rely on physiological measurements (e.g., direct arterial pressure, SvO2 from Swan-Ganz catheter, outcomes data related to hypotension or hypoperfusion events) as ground truth.
8. Sample Size for the Training Set
No details regarding training set sample sizes for the AI/algorithm features are provided in this 510(k) summary, as it covers the integration of existing algorithms. The training data would have been described in the original 510(k) submissions for those predicate algorithms (e.g., for Acumen HPI feature, Global Hypoperfusion Index, Right Ventricular Pressure algorithm, Acumen Assisted Fluid Management).
9. How the Ground Truth for the Training Set Was Established
As with the training set size, the method for establishing ground truth for the training set of the AI/algorithm features is not detailed in this 510(k) summary because it pertains to existing algorithms. This would have been covered in their individual predicate 510(k) submissions.
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(143 days)
ClearSight finger cuffs: 21 CFR §870.1130
HemoSphere Advanced Monitor: 21 CFR §870.1425, 21 CFR §870.1230
Swan-Ganz catheters:
The Swan-Ganz catheters are diagnostic and monitoring tools used for hemodynamic monitoring of adult critically ill patients including but limited to post major surgical recovery, trauma, sepsis, burns, pulmonary disease, pulmonary failure, cardiac disease including heart failure.
Models 096F6, 096F6P, TS105F5, 132F5, 131F7, 131F7P 831F75, 831F75P, 834F75, and 834F75P are intended for adult and pediatric patients:
The Swan-Ganz catheters are diagnostic and monitoring tools used for hemodynamic monitoring of critically ill adult and pediatric patients ≥ 12 years of age including but not limited to post major surgical recovery, trauma, sepsis, burns, pulmonary disease, pulmonary failure, cardiac disease including heart failure.
FloTrac sensors:
The FloTrac sensor is indicated for use in intravascular pressure monitoring. It is also indicated for use with the Edwards arterial pressure based cardiac output monitoring devices or hardware to measure cardiac output. They are intended to be used in adult patients.
Models MHD6, MHD8, MHD65, and MHD85 are intended for adult and pediatric patients:
The FloTrac sensor is indicated for use in intravascular pressure monitoring. It is also indicated for use with the Edwards arterial pressure based cardiac output monitoring devices or hardware to measure cardiac output. The FloTrac sensor is indicated for use in adult and pediatric patients ≥ 12 years of age.
ClearSight finger cuffs:
The Acumen IQ are indicated for patients over 18 years of age to non-invasively measure blood pressure and associated hemodynamic parameters when used with EV1000 clinical platform or HemoSphere Advanced Monitoring Platform.
The ClearSight finger cuffs are indicated for adult and pediatric patients ≥ 12 years of age to noninvasively measure blood pressure and associated hemodynamic parameters when used with EV1000 clinical platform or HemoSphere Advanced Monitoring Platform.
HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module:
The HemoSphere advanced monitor when used with the HemoSphere Swan-Ganz module and Edwards Swan-Ganz catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of cardiac output (continuous [CO] and intermittent [iCO]) and derived hemodynamic parameters in a hospital environment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Pressure Cable (compatible with FloTrac sensors):
The HemoSphere advanced monitor when used with the HemoSphere pressure cable is indicated for use in adult and pediatric critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring of hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac sensor, Acumen IQ sensor, and TruWave DPT indications for use statements for information on target patient populations specific to the sensor/transducer being used.
The Edwards Acumen Hypotension Prediction Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure
Swan-Ganz Catheters:
The Swan-Ganz catheters are flow-directed pulmonary artery catheters used to monitor hemodynamic pressures. The Swan-Ganz thermodilution catheters provide diagnostic information to rapidly determine hemodynamic pressures and cardiac output when used with a compatible cardiac output computer.
FloTrac Sensors:
The FloTrac sensor is a sterile, single use kit that monitors pressures when attached to pressure monitoring catheters. When connected to a compatible monitor, the FloTrac sensor minimally-invasively measures cardiac output and key hemodynamic parameters, which assist the clinician in assessing the patient's physiologic status and support clinical decisions related to hemodynamic optimization. The disposable sterile cable, with a red-connector interfaces, exclusively with an Edwards cable that is specifically wired for the pressure monitor being used. The disposable sterile cable, with a green-connector interfaces, exclusively with the Edwards cables for use with the Edwards arterial pressure based cardiac output monitoring devices or hardware.
The FloTrac sensor has a straight, flow-through design across the pressure sensors with an integral flush device.
ClearSight finger cuffs:
The ClearSight finger cuffs, when used with an appropriate Edwards monitoring system, provide continuous, noninvasive hemodynamic monitoring. The ClearSight finger cuffs utilize the volume-clamp method to measure blood pressure with an inflatable bladder wrapped around the middle phalanx of the finger.
HemoSphere Advanced Monitor Platform:
The HemoSphere Advanced Monitoring Platform was designed to simplify the customer experience by providing one platform with modular solutions for their hemodynamic monitoring needs. The user can choose from the available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function.
This document is a 510(k) summary for Edwards Lifesciences' Swan-Ganz catheters, FloTrac sensors, ClearSight finger cuffs, and HemoSphere Advanced Monitoring Platform. The core of this submission is to expand the indications for use of these devices to include pediatric patients (≥12 years of age), in addition to their existing adult indications.
The information regarding acceptance criteria and the study that proves the device meets those criteria, as detailed in your request, is primarily found in the "Device Verification and Validation" and "Conclusion" sections. However, the FDA summary document only provides a high-level overview. It does not contain the detailed acceptance criteria table, precise performance metrics, sample sizes, ground truth establishment methods, or specific details about expert adjudication or MRMC studies, which are typically found in the full 510(k) submission or supporting clinical trial reports.
Based on the provided text, here's what can be extracted and what information is not present:
Key Takeaway from the FDA 510(k) Summary:
The primary purpose of this 510(k) submission is to expand the indicated patient population for the listed devices from adult-only to include pediatric patients aged 12 years and older. The submission claims that the devices perform similarly in this expanded pediatric population compared to adults, meeting predefined acceptance criteria.
Table of Acceptance Criteria and Reported Device Performance
Not Provided in this Document. The document states "within predefined acceptance criteria" but does not list these criteria or the specific reported device performance metrics against them.
Acceptance Criteria Category | Specific Metric (e.g., Accuracy, Precision, AUC Threshold) | Acceptance Threshold | Reported Device Performance |
---|---|---|---|
Hemodynamic Parameter Measurement | Not specified | Not specified | Not specified |
Safety | Not specified | Not specified | "no issues of safety" |
Effectiveness | Not specified | Not specified | "effective in measuring cardiac output" |
Consistency | Not specified | Not specified | "consistent and within predefined acceptance criteria." "similar performance to an adult population." |
Study Details (Based on available information):
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Sample sizes used for the test set and the data provenance:
- Sample Size: Not explicitly stated. The document mentions "the target pediatric population in a clinical study" but does not provide the number of patients.
- Data Provenance:
- Country of Origin: Not specified in this summary. Clinical studies are often multi-center, but no specific locations are mentioned.
- Retrospective or Prospective: Not explicitly stated, but the phrase "clinical study" typically implies prospective data collection for regulatory submissions, especially for expanding indications to a new population.
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Number of experts used to establish the ground truth for the test set and the qualifications of those experts:
- Number of Experts: Not specified.
- Qualifications of Experts: Not specified. Given the nature of these hemodynamic devices, ground truth would likely be established by clinical measurements and potentially other validated reference methods, rather than expert interpretation of images or signals in the same way a radiologist might interpret an X-ray. Clinical experts (e.g., intensivists, anesthesiologists, cardiologists) would be involved in patient selection, data collection, and overseeing the study.
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Adjudication method (e.g., 2+1, 3+1, none) for the test set:
- Adjudication Method: Not specified. This type of adjudication (e.g., multi-reader consensus) is more common in image-based diagnostic AI studies. For device performance measurement, agreement with a reference standard is the typical method.
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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:
- MRMC Study: Not applicable/not performed for this type of device and study. MRMC studies are primarily for evaluating AI's impact on human interpretation tasks (e.g., radiologists reading images). This submission is for devices that directly measure physiological parameters and provide data, with one feature (Acumen HPI) providing "physiological insight" for reference. The study focuses on the device's performance in a new patient population, not on how it assists human readers in interpreting complex cases, except perhaps by providing accessible data. The Acumen HPI feature specifically states "no therapeutic decisions should be made based solely on the Acumen Hypotension Prediction Index (HPI) parameter," indicating it's an informational tool rather than a definitive diagnostic AI assist requiring a MRMC study.
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If a standalone (i.e. algorithm only without human-in-the-loop performance) was done:
- Standalone Performance: The study evaluated the devices' performance in the pediatric population. The devices themselves are "standalone" in that they acquire and process physiological signals to output parameters. The statement "The data demonstrate the performance in the expanded pediatric population ≥ 12 years of age and is substantially equivalent to their respective predicate devices for adult patient population ≥ 18 years of age" suggests an evaluation of the device's measurement accuracy and consistency.
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The type of ground truth used (expert consensus, pathology, outcomes data, etc):
- Type of Ground Truth: Not explicitly stated, but for hemodynamic monitoring devices, ground truth is typically established by:
- Reference Standards/Comparative Measurements: Comparing the device's measurements (e.g., cardiac output, blood pressure) against established, precise, and often more invasive or gold-standard methods (e.g., thermodilution, invasive arterial line measurements from validated transducers).
- Clinical Outcomes/Safety Data: Demonstrating safety and effectiveness in the target population through clinical monitoring and observation.
- The document states "clinical data presented in this 510(k) demonstrates the performance of hemodynamic parameters expanded to pediatric patients ≥ 12 years of age... are consistent and within predefined acceptance criteria," implying comparisons to a reference or expected range.
- Type of Ground Truth: Not explicitly stated, but for hemodynamic monitoring devices, ground truth is typically established by:
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The sample size for the training set:
- Training Set Size: Not applicable/not specified. These devices measure physiological parameters; they are not "AI algorithms" in the sense of needing a large training dataset to learn patterns for classification or prediction (except for the Acumen HPI feature, but no details on its development or training are provided here). The focus of this 510(k) is the application of existing technology to a new age group, not the development of a new pattern-recognition algorithm.
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How the ground truth for the training set was established:
- Ground Truth for Training Set: Not applicable, as there's no mention of a traditional AI training set. The devices likely use established physiological models and algorithms for calculating parameters. If the Acumen HPI feature involved machine learning, its training ground truth would likely be based on recorded physiological data and subsequent hypotensive events. However, the document does not elaborate on the development of this specific feature in the context of this 510(k).
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(168 days)
Accessories: | Programmable Diagnostic Computer 21 CFR 870.1425
Fiberoptic Oximeter Catheter 21 CFR 870.1230
HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module:
The HemoSphere Advanced Monitor when used with the HemoSphere Swan-Ganz Module and Edwards Swan-Ganz Catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of cardiac output [continuous (CO) and intermittent (iCO)] and derived hemodynamic parameters. Pulmonary artery blood temperature monitoring is used to compute continuous and intermittent CO with thermodilution technologies. It may also be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Oximetry Cable:
The HemoSphere Advanced Monitor when used with the HemoSphere Oximetry catheters is indicated for use in adult and pediatric critical care patients requiring of venous oxygen saturation (SvO2 and ScvO2) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Pressure Cable:
The HemoSphere Advanced Monitor when used with the HemoSphere Pressure Cable is indicated for use in critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac, Acumen IQ and TruWave DPT sensor indications for use statement for information on target patient population specific to the sensor being used. The Edwards Acumen Hypotension Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure 40 kg.
• When used with Medium Sensors, the ForeSight Oximeter Cable is indicated for use on pediatric subjects ≥3 kg.
• When used with Small Sensors, the ForeSight Oximeter Cable is indicated for cerebral use on pediatric subjects
The HemoSphere Advanced Monitoring platform was designed to simplify the customer experience by providing one platform with modular solutions for their hemodynamic monitoring needs. The user can choose from the available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function.
HemoSphere Advanced Monitoring Platform, subject of this submission, consists of the HemoSphere Advanced Monitor that provides a means to interact with and visualize hemodynamic and volumetric data on the monitor screen and its five (5) optional external modules: the HemoSphere Swan-Ganz Module (K163381 cleared, April 14, 2017), the HemoSphere Oximetry Cable (K163381 cleared, April 14, 2017), HemoSphere Pressure Cable (K180881 Cleared, November 16, 2018), HemoSphere Technology Module (K213682 cleared, June 22, 2022), HemoSphere ForeSight Module (K213682, June 22, 2022), and the HemoSphere ClearSight Module (K203687 cleared, May 28, 2021). Additionally, the HemoSphere Advanced Monitoring Platform includes the Acumen Hypotension Prediction Index software feature (DEN160044 granted March 16, 2018) and the Acumen Assisted Fluid Management software feature (DEN190029 granted November 13, 2020). The HemoSphere Advanced Monitor also has wired and wireless capabilities, which was originally used only for connecting to a Hospital Information System (HIS) for data charting purposes. This capability is now used to allow it to stream continuously monitored data to the Viewfinder Remote, a mobile device-based application, for remote viewing the information (K211465, cleared July 8, 2021). The remotely transmitted data from the patient monitoring sessions include all hemodynamic parameter data and the associated physiological alarm notifications, historical trend data, and parameter waveform data.
HemoSphere Advanced Monitoring platform as cleared in K213682 cleared June 22, 2022, is being modified as follows:
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Acumen Assisted Fluid Management Automated Fluid Tracking Mode:
The AFM software feature (AFM algorithm + AFM GUI), which informs clinicians of patient fluid responsiveness (K213682, cleared June 22, 2022), allows for manual fluid tracking, and resides on the HemoSphere Advanced Monitor.
The AFM software feature is being modified to allow for an automated fluid tracking mode as the default mode. Users can switch to the optional manual fluid tracking mode through the advanced settings menu. This automated fluid tracking mode for the AFM software feature is achieved via two components namely, the Acumen AFM Cable and the Acumen IQ fluid meter (both devices subject of this 510(k)). No modifications have been made to the previously cleared AFM algorithm. AFM GUI screens have been updated to account for the automated fluid tracking mode via the Acumen AFM cable and Acumen IO fluid meter.
The Acumen AFM Cable is a reusable cable that connects the Acumen IO fluid meter to the HemoSphere Advanced Monitoring Platform and converts the flow rate received from the Acumen IQ fluid meter to total volume for the HemoSphere monitor to be used by AFM software feature. No modifications have been made to the previously cleared AFM algorithm. AFM GUI screens have been updated to account for the automatic fluid tracking mode. The Acumen IQ fluid meter is a sterile, single use device that measures the flow of fluid delivered to a patient through the intravenous line to which it is connected.
When used together, the Acumen IQ fluid meter with the Acumen AFM Cable connected to a HemoSphere monitor, the fluid volume can be automatically tracked and displayed on the monitor as part of the AFM software feature screens. -
Automatic Zeroing of the Heart Reference Sensor (HRS)
The ClearSight Module (CSM), initially cleared in K201446 on October 1, 2020, is a non-invasive monitoring platform that includes a Pressure Controller (PC2) that is worn on the wrist, a Heart Reference Sensor (HRS), and the ClearSight/Acumen IQ Finger Cuffs.
The Pressure Controller (also referred to as 'Wrist unit' or PC2) is connected to the patient via a wrist band. The Pressure Controller connects to the ClearSight Module (CSM) on one end and with the Heart Reference Sensor (HRS) and the finger cuff on the other. The connection to the CSM provides power and serial communication. The Pressure Controller is designed to control the blood pressure measurement process and send the finger arterial pressure waveform to the CSM. The CSM software transforms the finger level blood pressure measurements into the conventional radial blood pressure.
In the predicate HemoSphere (K213682, cleared on June 22, 2022), as part of the ClearSight workflow, the user was required to zero the HRS prior to monitoring by aligning both ends of the HRS, the heart end and the finger end, and pressing the "0" button on the HemoSphere Graphical User Interface (GUI). After zeroing the HRS, the user is required to place both ends of the HRS in the appropriate location and then they can begin monitoring.
For the subject device, the Pressure Controller (PC2) firmware has been updated to include a mathematical model that automatically calculates the zero offset of the HRS based on the age of the specific HRS at the time of use. With the addition of the mathematical model, the user is no longer required to zero the HRS prior to start of monitoring since the system now has the zero-offset calculated. As such, the HemoSphere Advanced Monitor graphical user interface (GUI) was updated to remove the Zero HRS step as part of the Zero & Waveform screen and ClearSight setup.
The ClearSight Module firmware was also updated as part of support for the Automatic Zeroing of HRS feature. The firmware update included additional logging to support HRS calibration, bug fixes and updates to communication to the pressure controller to support display of proper HRS calibration information. -
Patient Query
As cleared in K213682, when the user queried for patient information, all patient records that match the search criteria were sent to the HemoSphere platform (from the Viewfinder Hub) for the user to review. With this update, only 30 records are shared at a time between the Viewfinder Hub and HemoSphere monitor. -
Miscellaneous Updates
Miscellaneous updates include:
- Bug fixes -
- Cybersecurity updates -
- Operator's manual updates -
- Heart Reference Sensor Instructions for Use update -
Based on the provided text, the document is a 510(k) Premarket Notification from the FDA to Edwards Lifesciences, LLC, regarding the HemoSphere Advanced Monitor and related components. It does not contain the detailed acceptance criteria and study proving device performance in the way typically required for AI/ML-driven diagnostic devices. This document focuses on demonstrating substantial equivalence to a predicate device, rather than proving a new clinical claim with a standalone performance study.
Therefore, many of the requested details about acceptance criteria, human expert involvement, ground truth, and training set information are not available in this specific regulatory document, as they are not typically required for a 510(k) submission for device modifications like those described here. The "Acumen Assisted Fluid Management software feature" is mentioned, and an "AFM algorithm" is referenced, but detailed studies on its performance metrics are not included in this summary.
Here's a breakdown of what can be extracted and what information is missing:
Acceptance Criteria and Device Performance Study (Partial Information)
This 510(k) notification describes modifications to an existing device (HemoSphere Advanced Monitoring Platform) and new components (Acumen AFM Cable, Acumen IQ fluid meter). The primary goal is to demonstrate substantial equivalence to a previously cleared predicate device (K213682). As such, the performance data presented is focused on verifying that the modifications do not adversely affect safety and effectiveness, rather than establishing new clinical performance metrics or comparing AI performance against human readers.
1. Table of Acceptance Criteria and Reported Device Performance
The document does not explicitly present a table of predetermined acceptance criteria for AI performance in the way one would for a new AI diagnostic claim (e.g., sensitivity, specificity, AUC). Instead, it lists various verification and validation activities performed to ensure the modified device functions as intended and remains safe and effective.
Summary of Performance Data Presented:
Criteria/Test Category | Description and Reported Outcome |
---|---|
System Verification | Demonstrated that subject devices and software meet predetermined design and performance specifications. Modifications did not adversely affect safety and effectiveness. Acumen AFM Cable and Acumen IQ fluid meter tested at system level for safety. AFM outputs with fluid meter mode were "tested using a bench simulation." All tests passed. |
Electrical Safety & EMC | Compliance with IEC 60601-1, IEC 60601-1-2, IEC 60601-1-6, IEC 60601-1-8, IEC 62304, IEC 62366, IEC 60601-2-34, IEC 60601-2-57, IEC 60601-2-49, and ISO 81060-2. Electrical testing of disposable board and reusable board performed. All tests passed. |
Software Verification | Performed per FDA's guidance (May 11, 2005). New AFM fluid meter mode tested at sub-system level. Acumen AFM Cable and HemoSphere ClearSight Module firmware tested. All tests passed. |
Usability Study | Conducted per FDA's guidance (February 3, 2016) to investigate primary operating functions and critical tasks related to AFM fluid meter mode. Demonstrated intended users could perform tasks without usability issues leading to patient or user harm. |
Mechanical Testing | Performed on Acumen IQ fluid meter and Acumen AFM Cable. All tests passed. |
Sterilization Validation | Performed for the sterile Acumen IQ fluid meter (disposable) in accordance with Edwards Quality System and applicable standards. |
Packaging Testing | Validated Acumen IQ fluid meter packaging per ISO 11607-1: 2009/A1: 2014, including shipping simulation and conditioning tests. Also performed on Acumen AFM Cable. All tests passed. |
Biocompatibility Testing | Performed for Acumen IQ fluid meter (indirect patient contact) per ISO 10993-1: 2009 and FDA guidance (June 16, 2016). All tests passed. |
Clinical Performance | "No new clinical testing was performed in support of the subject 510(k)." This explicitly states that no clinical trial was conducted for the modifications, relying on substantial equivalence to the predicate. Therefore, there are no reported clinical performance metrics for the AI/AFM features from this submission. The AFM algorithm itself was "previously cleared" (DEN190029 granted November 13, 2020), so any clinical performance data for the algorithm would have been part of that earlier submission, not this one. |
2. Sample Size and Data Provenance for Test Set
- Sample Size: Not specified for any quantitative testing that would typically involve a "test set" in the context of AI model validation (e.g., number of patient cases, number of images). The performance data cited are primarily bench simulations and system-level verification, not a clinical study with a patient test set.
- Data Provenance: Not specified, as no new clinical data or specific patient test sets are described. The reference to "bench simulation" suggests data generated in a lab environment.
3. Number of Experts and Qualifications for Ground Truth
- Not Applicable/Not Provided: Since "No new clinical testing was performed" for this 510(k), there is no mention of expert involvement for establishing ground truth on a clinical test set. The original AFM algorithm clearance (DEN190029) might contain this information, but it's not in this document.
4. Adjudication Method for Test Set
- Not Applicable/Not Provided: No clinical test set described.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
- No: The document explicitly states, "No new clinical testing was performed." Therefore, no MRMC study was conducted or reported in this submission.
6. Standalone (Algorithm Only) Performance Study
- Partial/Limited: While the document mentions "AFM outputs when the fluid meter mode was unlocked... were tested using a bench simulation," it does not provide quantitative results (e.g., accuracy, precision) for the algorithm's performance in a standalone setting. The focus is on the functionality and safety of the hardware additions (cable, meter) and the automation of fluid tracking for an existing algorithm. The "core predictive algorithm for the Assisted Fluid Management software feature" is stated to be from the predicate device (K213682), which itself refers back to DEN190029.
7. Type of Ground Truth Used
- Not explicitly stated for AI performance: For the "bench simulation" of AFM outputs, the "ground truth" would likely be the known, controlled fluid flow rates programmed into the simulation. No external clinical ground truth (e.g., pathology, long-term outcomes) is described in relation to the AI/AFM performance in this document.
8. Sample Size for Training Set
- Not Provided: The document focuses on demonstrating substantial equivalence of modifications. Information about the training set size for the AI algorithm (Acumen Assisted Fluid Management software feature) would have been part of its original clearance (DEN190029), not this subsequent 510(k) for modifications and new hardware. It mentions: "No modifications have been made to the previously cleared AFM algorithm."
9. How Ground Truth for Training Set Was Established
- Not Provided: Similar to point 8, this information would pertain to the original clearance of the AFM algorithm (DEN190029) and is not detailed in this document.
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(162 days)
| 21 CFR 870.1425
21 CFR 870.1230
HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module: The HemoSphere Advanced Monitor when used with the HemoSphere Swan-Ganz Module and Edwards Swan-Ganz Catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of cardiac output [continuous (CO) and intermittent (iCO)] and derived hemodynamic parameters. It may also be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used. Refer to the Intended Use statement below for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Oximetry Cable: The HemoSphere Advanced Monitor when used with the HemoSphere Oximetry Cable and Edwards oximetry catheters is indicated for use in adult and pediatric crtical care patients requiring of venous oxygen saturation (SvO2 and Scv02) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used. Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Pressure Cable: The HemoSphere Advanced Monitor when used with the HemoSphere Pressure Cable is indicated for use in critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac, Acumen IQ and TruWave DPT sensor indications for use statement for information on target patient population specific to the sensor being used. The Edwards Lifesciences Acumen Hypotension Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure
The HemoSphere Advanced Monitoring platform was designed to simplify the customer experience by providing one platform with modular solutions for their hemodynamic monitoring needs. The user can choose from the available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function. HemoSphere Advanced Monitoring Platform consists of the HemoSphere Advanced Monitor that provides a means to interact with and visualize hemodynamic and volumetric data on a screen and five (5) optional external modules: the HemoSphere Swan-Ganz Module (K163381 Cleared, April 14, 2017), the HemoSphere Oximetry Cable (K163381 Cleared, April 14, 2017), HemoSphere Pressure Cable (K180881 Cleared, November 16, 2018), HemoSphere Technology Module (K190205 August 29, 2019). HemoSphere ForeSight Module (K180003, May 10, 2018), and the HemoSphere ClearSight Module (K201446 Cleared October 1, 2020).
The provided FDA 510(k) summary (K221704) for the HemoSphere Advanced Monitoring Platform does not contain a table of acceptance criteria and reported device performance for the modifications made (specifically the Right Ventricular Pressure (RVP) algorithm). While it states that "All tests passed" and "demonstrated that the subject devices meet their predetermined design and performance specifications," specific numerical performance metrics and their corresponding acceptance criteria are not detailed in this document.
However, based on the information provided, here's a breakdown of the other requested information regarding the study supporting the device:
1. Table of Acceptance Criteria and Reported Device Performance
Not available in the provided document. The document states that "all performance verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications" and "All tests passed," but it does not specify the quantitative acceptance criteria or the numerical results achieved by the device against those criteria.
2. Sample Size Used for the Test Set and Data Provenance
The document states: "Clinical data (waveforms) were collected in support of the design and validation of the RVP algorithm."
- Sample Size for Test Set: Not specified. The document does not provide the number of patients or waveforms used for the clinical data collection for the RVP algorithm validation.
- Data Provenance: Not specified. The document does not mention the country of origin of the data or whether it was retrospective or prospective.
3. Number of Experts Used to Establish Ground Truth and Their Qualifications
Not applicable/Not specified. The document mentions the collection of "clinical data (waveforms)" for the RVP algorithm validation, but it does not describe a process involving human experts to establish ground truth from this data. The RVP algorithm likely derives its parameters directly from physiological waveform data obtained from the Swan-Ganz Module and Pressure Cable, rather than relying on expert interpretation for ground truth.
4. Adjudication Method for the Test Set
Not applicable/Not specified. As there is no mention of human expert-established ground truth, an adjudication method is not described.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
No. The document does not mention a Multi-Reader Multi-Case (MRMC) comparative effectiveness study, nor does it discuss human readers or AI assistance in a comparative context. The device focuses on monitoring physiological parameters rather than image interpretation or diagnostic tasks involving human readers.
6. Standalone (Algorithm Only) Performance Study
Yes, implicitly. The validation of the RVP algorithm described in the document is a standalone performance assessment. The statement "Clinical data (waveforms) were collected in support of the design and validation of the RVP algorithm" implies that the algorithm's performance was evaluated based on this collected data. The conclusion that the device "has successfully passed functional and performance testing, including software and algorithm verification and validation and bench studies" further supports that the algorithm's performance was assessed. However, specific standalone performance metrics are not provided.
7. Type of Ground Truth Used for the Test Set
The ground truth for the RVP algorithm's validation would be the physiological waveform data itself, specifically from the Swan-Ganz Module and Pressure Cable. The algorithm processes this raw physiological data to derive parameters like SYSRVP, DIARVP, MRVP, PRRVP, RV dp/dt, and RVEDP. The validation would involve comparing the algorithm's derived parameters against established methods or calculations from the same direct physiological measurements (e.g., from the Swan-Ganz catheter and pressure sensors).
8. Sample Size for the Training Set
Not specified. The document mentions "clinical data (waveforms) were collected in support of the design and validation of the RVP algorithm," but it does not differentiate between data used for design/training and data used specifically for validation (test set), nor does it specify the sample size for any such training.
9. How the Ground Truth for the Training Set Was Established
Not specified/Not explicitly described. Given that the RVP algorithm processes physiological signals from existing, cleared hardware, the "ground truth" for any potential training would inherently be the raw physiological signals themselves, as measured by the Swan-Ganz Module and Pressure Cable. The algorithm's development would likely be based on established physiological principles and signal processing techniques to derive the mentioned RVP parameters. The document does not detail a specific "training set" or a separate process for establishing ground truth for training data beyond the intrinsic nature of the physiological measurements.
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(137 days)
| 21 CFR 870.1425
21 CFR 870.1230
HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module:
The HemoSphere Advanced Monitor when used with the HemoSphere Swan-Ganz Module and Edwards Swan-Ganz Catheters is indicated for use in adult and pediatric critical care patients requiring of cardiac output [continuous (CO) and intermittent (iCO)] and derived hemodynamic parameters. It may also be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Ganz catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement below for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Oximetry Cable:
The HemoSphere Advanced Monitor when used with the HemoSphere Oximetry cable and Edwards is indicated for use in adult and pediatric crtical care patients requring of venous oxygen saturation (SvO2 and ScvO2) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Pressure Cable:
The HemoSphere Advanced Monitor when used with the HemoSphere Pressure Cable is indicated for use in critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac, Acumen IQ and TruWave DPT sensor indications for use statement for information on target patient population specific to the sensor being used.
The Edwards Lifesciences Acumen Hypotension Prediction Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure
HemoSphere Advanced Monitoring Platform consists of the HemoSphere Advanced Monitor that provides a means to interact with and visualize hemodynamic and volumetric data on a screen and five (5) optional external modules: the HemoSphere Swan-Ganz Module (K163381 Cleared, April 14, 2017), the HemoSphere Oximetry Cable (K163381 Cleared, April 14, 2017), HemoSphere Pressure Cable (K180881 Cleared, November 16, 2018), HemoSphere Tissue Oximetry Module (K190205 August 29, 2019), and the HemoSphere ClearSight Module (K201446 Cleared October 1, 2020).
Acceptance Criteria and Device Performance for Edwards HemoSphere ClearSight Module
Based on the provided text, the Edwards HemoSphere ClearSight Module has undergone a modification to its existing APCO algorithm. The acceptance criteria and performance evaluation are related to ensuring this modification did not adversely affect the safety and effectiveness of the device, particularly concerning Cardiac Output accuracy.
1. Table of Acceptance Criteria and Reported Device Performance
Acceptance Criteria | Reported Device Performance |
---|---|
Predicate Device Specifications: The modified algorithm's performance (specifically Cardiac Output accuracy) should meet the specifications cleared for the predicate device (Edwards HemoSphere Advanced Monitoring Platform, K201446). | "All testing passed without exception." The retrospective analysis of clinical data demonstrated that the modification did not adversely affect the safety and effectiveness of the subject device, and "All tests passed." |
No Adverse Effect on Safety and Effectiveness: The modification should not negatively impact other aspects of the device's safety and effectiveness. | "System verification activities confirmed that the modification to the device did not adversely affect the safety and effectiveness of the subject device." |
Software Verification: The software modification should comply with FDA guidance for software in medical devices, including design, development, and traceability. | "Software verification was performed per FDA's Guidance for Industry and FDA Staff... All tests passed." |
System Verification: The algorithm change should be integrated without issues. | "the change in the algorithm was integrated without any concern and all integration passed with no exceptions." |
Unchanged Design, Materials, Energy Source, User Interface, Measurement Principle, and Performance Specifications: These aspects of the HemoSphere ClearSight Module should remain the same. | "Design, materials, energy source, user interface, measurement principle, and all performance specifications of the modified HemoSphere ClearSight Module remain unchanged." |
2. Sample Size Used for the Test Set and Data Provenance
- Sample Size: The text states that "retrospective analysis of clinical data from multiple independent datasets, comprised of data from patients over the age of 18 years" was used. However, a specific numerical sample size (e.g., number of patients or data points) is not provided in the document.
- Data Provenance: The data was "retrospective analysis of clinical data from multiple independent datasets." The country of origin of the data is not specified.
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 text does not describe how the "ground truth" for the clinical data used in the retrospective analysis was established, nor does it mention the use of experts for this purpose.
4. Adjudication Method for the Test Set
This information is not provided in the document.
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
A Multi-Reader Multi-Case (MRMC) comparative effectiveness study is not mentioned or described in the document. This study focuses on an algorithm modification for a medical device (HemoSphere ClearSight Module) measuring physiological parameters, not on human reader performance with or without AI assistance.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done
Yes, a standalone performance evaluation of the algorithm was done. The "Algorithm Verification (Clinical Performance Data)" section specifically states: "Algorithm performance was tested using clinical data." This indicates an evaluation of the algorithm's performance independent of real-time human interaction.
7. The Type of Ground Truth Used (Expert Consensus, Pathology, Outcomes Data, etc.)
The document refers to the evaluation of "Cardiac Output accuracy." For a device that measures physiological parameters like Cardiac Output, the "ground truth" would typically refer to a gold standard measurement technique for that parameter. However, the exact gold standard method used to establish the ground truth for Cardiac Output in the clinical data is not explicitly stated in the provided text. It implies the use of "clinical data" which would have reference measurements for comparison but does not detail the nature of these reference measurements.
8. The Sample Size for the Training Set
The document only mentions "retrospective analysis of clinical data" for testing the algorithm modification. It does not provide any information regarding a "training set" or its sample size. This suggests that the modification might have been made to an existing algorithm, and the focus of this submission is on verifying the impact of that modification using a test set, rather than developing a new algorithm from scratch requiring a separate training set.
9. How the Ground Truth for the Training Set Was Established
Since no training set is mentioned, this information is not provided in the document.
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(35 days)
Fiberoptic Oximeter Catheter | 21 CFR 870.1230
Indications for Use: HemoSphere Advanced Monitor with HemoSphere Swan-Ganz Module The HemoSphere Advanced Monitor when used with the HemoSphere Swan-Ganz Module and Edwards Swan-Ganz Catheters is indicated for use in adult and pediatric critical care patients requiring monitoring of cardiac output [continuous (CO) and intermittent (iCO)] and derived hemodynamic parameters. Pulmonary artery blood temperature monitoring is used to compute continuous and intermittent CO with thermodilution technologies. It may also be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards Swan-Gatheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement below for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Oximetry Cable
The HemoSphere Advanced Monitor when used with the HemoSphere Oximetry Cable and Edwards is indicated for use in adult and pediatric critical care patients requiring of venous oxygen saturation (SvO2 and Scv02) and derived hemodynamic parameters in a hospital environment. Refer to the Edwards oximetry catheter indications for use statement for information on target patient population specific to the catheter being used.
Refer to the Intended Use statement for a complete list of measured and derived parameters available for each patient population.
HemoSphere Advanced Monitor with HemoSphere Pressure Cable
The HemoSphere Advanced Monitor when used with the HemoSphere Pressure Cable is indicated for use in critical care patients in which the balance between cardiac function, fluid status, vascular resistance and pressure needs continuous assessment. It may be used for monitoring hemodynamic parameters in conjunction with a perioperative goal directed therapy protocol in a hospital environment. Refer to the Edwards FloTrac, Acumen IQ, and TruWave DPT sensor indications for use statement for information on target patient population specific to the sensor being used.
The Edwards Lifesciences Acumen Hypotension Prediction Index feature provides the clinician with physiological insight into a patient's likelihood of future hypotensive events (defined as mean arterial pressure 40 kg.
· When used with medium sensors, the ForeSight Oximeter Cable is indicated for use on pediatric subjects >3 kg.
· When used with small sensors, the ForeSight Oximeter Cable is indicated for cerebral use on pediatric subjects
The HemoSphere Advanced Monitoring platform was designed to simplify the customer experience by providing one platform with modular solutions for their hemodynamic monitoring needs. The user can choose from the available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function.
HemoSphere Advanced Monitoring Platform consists of the HemoSphere Advanced Monitor that provides a means to interact with and visualize hemodynamic and volumetric data on a screen and five (5) optional external modules: the HemoSphere Swan-Ganz Module (K163381 Cleared, April 14, 2017), the HemoSphere Oximetry Cable (K163381 Cleared, April 14, 2017), HemoSphere Pressure Cable (K180881 Cleared, November 16, 2018), HemoSphere Tissue Oximeter Module (K190205 August 29, 2019), HemoSphere ForeSight Oximeter Cable (K213682 cleared June 22, 2022). and the HemoSphere ClearSight Module (K203687 cleared May 28, 2021).
The regulatory submission K223127 for the HemoSphere Advanced Monitoring Platform indicates a modification to the existing StO2 algorithm of the HemoSphere ForeSight Oximeter Cable. The submission claims substantial equivalence to a predicate device (K213682 cleared June 22, 2022) and an additional predicate (Fore-Sight Elite Module Tissue Oximeter, K143675 cleared April 10, 2015) for the StO2 algorithm.
Here's an analysis based on the provided text, fulfilling the requested information points:
1. Table of Acceptance Criteria and Reported Device Performance
The submission states that "All testing passed without exception" and the "modification did not adversely affect the safety and effectiveness of the subject device." However, specific numerical acceptance criteria (e.g., accuracy +/- X%, bias Y, precision Z) and the corresponding reported performance values for the StO2 algorithm are not explicitly provided in the given text.
The text vaguely indicates that:
- "Algorithm performance was tested using the same method and criteria as previously used in the predicate device."
- "The same methods, protocols and acceptance criteria as the predicate device (K213682) were used to evaluate the modification."
- "Design, materials, energy source, user interface, measurement principle and all performance specifications of the modified HemoSphere ForeSight Oximeter cable remain unchanged."
Without the actual specific criteria and reported values from the predicate device's clearance, a detailed table with numerical data cannot be generated from this document.
2. Sample Size Used for the Test Set and Data Provenance
The document does not specify the sample size used for the test set. It mentions "Algorithm Verification" and "System Verification" without detailing the number of cases or patients included in these tests. The data provenance (e.g., country of origin, retrospective or prospective) is also not provided.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Their Qualifications
The document does not specify the number of experts used or their qualifications for establishing ground truth for the test set. Given that the modified device measures "absolute regional hemoglobin oxygen saturation (StO2)," the ground truth would typically be established through a reference method (e.g., co-oximetry of arterial and venous blood samples, or another validated oximetry technique) rather than expert consensus on images.
4. Adjudication Method for the Test Set
The document does not mention any adjudication method for the test set.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
The document does not indicate that an MRMC comparative effectiveness study was performed. The device is a monitoring platform providing quantitative physiological parameters, not an imaging device requiring human reader interpretation in the same way.
6. Standalone (Algorithm Only) Performance Study
Yes, a standalone performance study of the algorithm was done. The submission explicitly states:
- "Algorithm performance was tested using the same method and criteria as previously used in the predicate device."
- "The results establish that the modification did not adversely affect the safety and effectiveness of the subject device."
This "Algorithm Verification" section refers to directly testing the algorithm's performance.
7. Type of Ground Truth Used
The document does not explicitly state the type of ground truth used but implies it would be a comparison to existing specifications from the predicate devices. For a tissue oximeter measuring StO2, the ground truth would typically involve comparison to a validated reference method for oxygen saturation, possibly through in-vivo or in-vitro testing. It is not expert consensus on images or pathology in this context.
8. Sample Size for the Training Set
The document does not provide the sample size for the training set. This is a modification to an existing algorithm, so the original algorithm would have been developed and trained, but details about that original training are not in this submission.
9. How the Ground Truth for the Training Set Was Established
The document does not provide details on how the ground truth for the training set (of the original algorithm) was established. It only refers to the modification of an "existing StO2 algorithm."
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(212 days)
| 21 CFR 870.1425 | 21 CFR 870.1230
The HemoSphere Advanced Monitoring Platform is intended to be used by qualified personnel or trained clinicians in a critical care environment in a hospital setting. The Viewfinder Remote mobile application can be used for supplemental near real-time remote display of monitored hemodynamic parameter data as well as Faults, Alerts and Notifications generated by the HemoSphere Advanced Monitoring Platform.
The HemoSphere Advanced Monitoring Platform is intended for use with compatible Edwards Swan-Ganz and Oximetry Catheters, FloTrac sensors, Acumen IQ sensors, TruWave DPT sensors, ForeSight sensors, and ClearSight/Acumen IQ finger cuffs.
The HemoSphere Advanced Monitoring platform was designed to simplify the customer experience by providing one platform with modular solutions for their hemodynamic monitoring needs. The user can choose from the available optional sub-system modules or use multiple sub-system modules at the same time. This modular approach provides the customer with the choice of purchasing and/or using specific monitoring applications based on their needs. Users are not required to have all of the modules installed at the same time for the platform to function.
HemoSphere Advanced Monitoring Platform, subject of this submission, consists of the HemoSphere Advanced Monitor that provides a means to interact with and visualize hemodynamic and volumetric data on the monitor screen and its five (5) optional external modules: the HemoSphere Swan-Ganz Module (K163381 Cleared, April 14, 2017), the HemoSphere Oximetry Cable (K163381 Cleared, April 14, 2017), HemoSphere Pressure Cable (K180881 Cleared, November 16, 2018), HemoSphere Technology Module (previously referred to as "Tissue Oximetry Module"; K190305 cleared, August 29, 2019), HemoSphere ForeSight Module (K180003, May 10, 2018), and the HemoSphere ClearSight Module (K203687 cleared, May 28, 2021). The HemoSphere Advanced Monitor also has wired and wireless capabilities which was originally used only for connecting to a Hospital Information System (HIS) for data charting purposes. This capability is now used to allow it to stream continuously monitored data to the Viewfinder Remote, a mobile device-based application, for remote viewing the information (K211465 cleared July 8, 2021). The remotely transmitted data from the patient monitoring sessions include all hemodynamic parameter data and the associated physiological alarm notifications, historical trend data, and parameter waveform data.
The provided text describes several features and modifications to the HemoSphere Advanced Monitoring Platform, but it does not contain a specific table of acceptance criteria and reported device performance, nor does it detail a standalone AI algorithm study or an MRMC comparative effectiveness study for the machine learning features (like HPI or AFM).
The document primarily focuses on demonstrating substantial equivalence to predicate devices, and the performance data mentioned is generally high-level "All tests passed" rather than specific quantitative results against defined acceptance criteria for AI model performance.
Therefore, many of the requested details about the study that proves the device meets the acceptance criteria (especially for the AI/ML features) are not available in this document. The information that can be extracted relates more to the overall device functionality and compliance than to a detailed AI performance validation.
Based on the provided text, here's what can be extracted and what information is missing:
Information NOT available in the document regarding acceptance criteria and AI study specifics:
- 1. A table of acceptance criteria and the reported device performance for AI features: This level of detail is not provided. The document states that "Completion of all performance verification and validation activities demonstrated that the subject devices meet their predetermined design and performance specifications," and "Measured and derived parameters were tested using a bench simulation. Additionally, individual modules were tested at a system level to verify the safety of these modules." However, it does not enumerate specific acceptance criteria (e.g., accuracy, sensitivity, specificity thresholds) or quantitative performance results for the AI algorithms (HPI, AFM).
- 2. Sample size used for the test set and the data provenance, whether retrospective or prospective: This information is not provided. The document mentions "bench simulation" and "system level" testing but does not quantify the dataset size or its nature.
- 3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts: Not specified.
- 4. Adjudication method (e.g., 2+1, 3+1, none) for the test set: Not specified.
- 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: Not mentioned. The document states, "No new clinical testing was performed in support of the subject 510(k)," indicating that specific MRMC studies for this submission were not conducted.
- 6. If a standalone (i.e., algorithm only without human-in-the-loop performance) was done: The document states that the "Acumen Hypotension Prediction Index feature is considered to be additional quantitative information regarding the patient's physiological condition for reference only and no therapeutic decisions should be made based solely on the Acumen Hypotension Prediction Index (HPI) parameter," and similarly for AFM, "No therapeutic decisions should be made based solely on the Assisted Fluid Management suggestions." This implies the AI features are intended for human-in-the-loop use, but it doesn't explicitly refer to a "standalone" performance study in the context of a typical AI performance evaluation. It does mention "Measured and derived parameters were tested using a bench simulation," which could include algorithm-only testing, but specific metrics are absent.
- 7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.): Not specified.
- 8. The sample size for the training set: Not specified.
- 9. How the ground truth for the training set was established: Not specified.
Information that CAN be inferred or extracted (though limited for AI-specific performance):
- Regarding "Acumen Hypotension Prediction Index Feature" and "Acumen Assisted Fluid Management Feature":
- The document explicitly states that for the Acumen HPI feature, "No modifications have been made to the previously granted AFM algorithm" (referring to the core algorithm, K203687), and for HPI Smart Alerts/Trends modifications, "There are no changes to the core HPI algorithm, the behavior of the HPI parameter display, nor the indications for use and intended use of the HPI parameter due to this Smart Trends/ Smart Alerts modification." This suggests that the core algorithms for HPI and AFM were previously cleared (DEN190029 for AFM and K203687 for HPI), and this submission focuses on incorporating and updating the display and connectivity of these features rather than re-validating the core algorithms themselves. This means the detailed AI performance validation, if done, would have been part of the previous submissions (DEN190029 and K203687).
- The HPI feature defines hypotensive events as "mean arterial pressure
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