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510(k) Data Aggregation
(239 days)
MINNTECH CORP.
Rapicide OPA-28 is a high level disinfectant solution for reprocessing of heat sensitive semicritical medical devices for which sterilization is not suitable. Rapicide OPA-28 may be used at or above its minimum recommended concentration (MRC) of 0.35% OPA as determined by Rapicide OPA-28 test strips in manual device reprocessing with an immersion time of at least 10 minutes at a minimum temperature of 20℃ for a reuse period not to exceed 28 days. Rapicide OPA-28 may also be used in compatible legally marketed automatic endoscope reprocessors at or above its MRC as determined by Rapicide OPA-28 test strips with an immersion time of at least 5 minutes at a minimum temperature of 25℃ for a reuse period not to exceed 28 days.
Rapicide OPA-28 is a reusable liquid ortho-Phthalaldehyde (OPA) based high level disinfectant solution intended for reprocessing of heat sensitive semi-critical medical devices for which sterilization is not suitable. Rapicide OPA-28 may be used in manual reprocessing or in compatible legally marketed automatic endoscope reprocessors at the appropriate labeled use conditions. Rapicide OPA-28 is a clear liquid chemical germicide solution with a pH between 7.5 and 8.0. The active microbicidal ingredient ortho-Phthalaldehyde is formulated at a nominal concentration of 0.575% together with a solvent, buffers, surfactants, an antifoaming agent and water to create Rapicide OPA-28 solution. Rapicide OPA-28 is labeled with an unopened bottle shelf-life of 24 months, an open bottle use-period of 75 days and a reuse period not to exceed 28 days. The germicide must be used at or above its MRC, as determined by Rapicide OPA-28 test strips, with the indicated immersion time, use temperature and reuse period. Rapicide OPA-28 is supplied in cases containing high density polyethylene plastic bottles. Individual bottles are labeled with all information necessary to use the device safely.
The provided text describes the regulatory clearance of a medical device, Rapicide OPA-28, a high-level disinfectant, rather than an AI/ML powered device. As such, many of the requested criteria for AI/ML device studies are not applicable.
However, I can extract information related to the device's performance, indications for use, and the types of studies performed as outlined in the submission.
Here's a breakdown of the relevant information:
Device: Rapicide OPA-28 High Level Disinfectant
1. Table of Acceptance Criteria and Reported Device Performance
Acceptance Criteria / Performance Claim | Reported Device Performance |
---|---|
High-level Disinfection Efficacy: | |
Sporicidal Efficacy | Demonstrated |
Tuberculocidal Efficacy | Demonstrated |
Fungicidal Efficacy | Demonstrated |
Virucidal Efficacy | Demonstrated |
Bactericidal Efficacy | Demonstrated |
Usage Conditions (Manual): | |
Minimum Recommended Concentration (MRC) | 0.35% OPA |
Immersion Time | At least 10 minutes |
Minimum Temperature | 20°C |
Reuse Period | Not to exceed 28 days |
Usage Conditions (Automatic Endoscope Reprocessors): | |
Minimum Recommended Concentration (MRC) | 0.35% OPA |
Immersion Time | At least 5 minutes |
Minimum Temperature | 25°C |
Reuse Period | Not to exceed 28 days |
Physical/Chemical Properties: | pH between 7.5 and 8.0 |
0.575% nominal OPA concentration | |
Shelf-life (unopened) | 24 months |
Use-period (open bottle) | 75 days |
Other Performance Characteristics: | |
Simulated-use tests | Demonstrated |
In-use tests | Demonstrated |
Rinse Residual | Demonstrated |
Biocompatibility | Demonstrated |
Toxicity evaluation | Demonstrated |
Material compatibility | Demonstrated |
Stability | Demonstrated |
Test strip performance | Demonstrated |
Study Proving Acceptance Criteria:
The studies performed were intended to demonstrate substantial equivalence to legally marketed predicate devices, as per the FDA's Guidance for Content and Format of Premarket Notification [510(k)] Submission for Liquid Chemical Sterilants/High Level Disinfectants (Jan 2000).
The types of data/information provided included:
- Detailed description of physical and chemical properties.
- Proposed labeling.
- Sporicidal, tuberculocidal, fungicidal, virucidal, and bactericidal efficacy.
- Simulated-use and in-use tests.
- Rinse Residual and biocompatibility.
- Toxicity evaluation.
- Material compatibility.
- Stability.
- Test strip performance.
Non-Applicable Information for this type of Medical Device (Chemical Disinfectant):
The following requests are specific to AI/ML powered devices and are not applicable to this 510(k) submission for a liquid chemical germicide:
- Sample sizes used for the test set and data provenance (e.g., country of origin, retrospective/prospective).
- Number of experts used to establish ground truth for the test set and their qualifications.
- Adjudication method for the test set.
- If a multi-reader multi-case (MRMC) comparative effectiveness study was done, or the effect size of human readers improving with AI vs. without AI assistance.
- If a standalone (i.e., algorithm only without human-in-the-loop performance) was done.
- The type of ground truth used (expert consensus, pathology, outcomes data, etc.) for test set.
- The sample size for the training set.
- How the ground truth for the training set was established.
This 510(k) submission focuses on the chemical efficacy and safety of the disinfectant itself through laboratory and simulated-use testing, rather than the performance of an interpretive or diagnostic algorithm.
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(243 days)
MINNTECH CORP.
Medivators DSD Edge Endoscope Reprocessing System tests, washes, disinfects and rinses flexible endoscopes, such as fiberoptic and video endoscopes between patient uses. The DSD Edge system is indicated to provide high level disinfection, using Rapicide PA High Level Disinfectant, of heat sensitive semi-critical endoscopes. Manual cleaning of endoscopes is required prior to placement in the DSD Edge system.
Rapicide PA contact conditions in the DSD Edge
- 5 Minutes 30℃ 850 ppm peracetic acid .
The DSD Edge system is an electro-mechanical system intended to test, wash and high level disinfect flexible fiberoptic and video endoscopes between uses. The DSD Edge is capable of asynchronously reprocessing two scopes at a time.
The DSD Edge system uses the peracetic acid based Rapicide PA High Level Disinfectant (K082988). The DSD Edge is a single use system in that it mixes Part A and Part B of Rapicide PA with water immediately prior to reprocessing and the disinfectant is not reused.
Endoscopes must be pre-cleaned and manually cleaned to SGNA and facility guidelines prior to being placed in the system for reprocessing.
After the endoscopes are connected to the DSD Edge the system tests the scopes for leaks in the outer skin. If the endoscopes pass the leak test the system will proceeds to a scope flush or an optional wash cycle followed by a flush.
For the disinfection cycle, the incoming water is mixed with the two part germicide in the basin. The temperature of the incoming water is monitored to ensure that the water temperature is within the operating constraints (30℃) required for disinfection after the water and germicide are mixed together. A sample of the germicide is retained to test for MRC. Following disinfection, the endoscopes are rinsed and dried by the machine, either by filtered air or an optional alcohol rinse, and are then removed from the machine for the next use.
The machine has built in safety features which stop the cycle and alarm when certain conditions exist which could indicate that disinfection might be compromised. These alarms and causes are defined in the directions for use for the product.
The DSD Edge also prints records indicating the results of testing, disinfection, etc. which are required for permanent records.
The document describes the Medivators DSD Edge Endoscope Reprocessing System, an electro-mechanical system designed to test, wash, and high-level disinfect flexible endoscopes. The system uses Rapicide PA High Level Disinfectant. The following information details the acceptance criteria and the study that proves the device meets these criteria.
1. Table of Acceptance Criteria and Reported Device Performance
The document does not explicitly state numerical acceptance criteria for performance; instead, it indicates that the device must "perform as required" for various functions. The reported device performance is based on successful completion of these tests.
Acceptance Criteria (Implicit) | Reported Device Performance |
---|---|
Material compatibility with disinfectant | System materials showed no significant deterioration over time; filters were compatible with disinfectant. |
Biocompatibility (disinfectant residue) | Any remaining disinfectant residues would not have an effect on patients or users. |
Proper functioning of leak check | Device performs leak checks correctly. |
Proper functioning of washing cycle | Device performs washing cycles correctly. |
Proper functioning of disinfection cycle | Device performs disinfection cycles correctly. |
Proper functioning of rinse cycles | Device performs rinse cycles correctly. |
Proper functioning of drying cycles | Device performs drying cycles correctly. |
Proper functioning of error messages/alarms | Error messages were tested and function properly to notify users of failure modes. |
Disinfectant temperature maintenance | Disinfectant remained at its required temperature (30℃) for the required length of time (5 minutes). |
Proper functioning of self-disinfection cycle | Self-disinfection cycle works properly, disinfecting all areas including the water filtration system. |
2. Sample Size Used for the Test Set and Data Provenance
The document does not specify a quantitative sample size for the test set (e.g., number of endoscopes, number of cycles). The testing appears to be conducted by the manufacturer, Medivators, and the data provenance is not explicitly stated as retrospective or prospective, nor does it specify country of origin beyond "Medivators has provided testing." Typically, such premarket submissions involve prospective testing conducted at the manufacturer's facilities or a designated testing laboratory.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications
This type of device (endoscope reprocessor) does not typically involve human expert assessment for establishing "ground truth" in the same way an AI diagnostic tool would. Instead, performance is validated against established engineering and biological standards (e.g., microbial reduction, temperature control, leak detection accuracy). Therefore, the concept of "experts establishing ground truth" in the context of radiologists or similar medical professionals does not apply here. The "experts" would be the engineers and microbiologists conducting the tests and verifying the device's functionality against pre-defined specifications. The document does not specify the number or qualifications of these internal experts.
4. Adjudication Method for the Test Set
Adjudication methods like 2+1 or 3+1 consensus are not applicable for the type of testing described (material compatibility, functional performance, residue levels). The validation relies on objective measurements and compliance with technical specifications and safety standards defined in FDA guidance documents (e.g., FDA's Guidance on Premarket [510(k)] Submissions for Automated Endoscope Washers, Washer/Disinfectors, and Disinfectors Intended for Use in Health Care Facilities).
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done
No. An MRMC comparative effectiveness study is not relevant for this device. This study type is typically used for diagnostic or screening tools where a human reader's interpretation is central to the outcome and performance needs to be measured with and without AI assistance across multiple cases and readers. The Medivators DSD Edge is an automated reprocessing system, not a diagnostic tool requiring human interpretation of medical images or data.
6. If a Standalone (Algorithm Only Without Human-in-the-Loop Performance) Was Done
The device itself is a standalone automated system. Its performance metrics (e.g., effective disinfection, leak detection, proper rinsing) are evaluated independently of a human operator making real-time decisions that affect the disinfection process. While manual pre-cleaning is required, the "reprocessing" cycle within the DSD Edge is fully automated. Therefore, the performance described reflects the standalone capabilities of the device in performing its indicated functions.
7. The Type of Ground Truth Used
The "ground truth" for verifying the performance of the DSD Edge Reprocessing System is based on:
- Engineering Specifications: Ensuring mechanical and electrical components (e.g., pumps, sensors, heating elements) function as designed.
- Chemical/Physical Measurements: Verifying parameters like disinfectant concentration (850 ppm peracetic acid), temperature (30℃), contact time (5 minutes), and residue levels.
- Microbiological Standards: Although not explicitly detailed in this summary, the "high-level disinfection" claim inherently relies on demonstrating the device's ability to achieve a specified reduction in microbial load (e.g., vegetative bacteria, mycobacteria, fungi, viruses) under the specified contact conditions. This is typically proven through standardized inactivation studies.
- Material Science: Verifying material compatibility to ensure integrity and longevity of the device and associated filters.
8. The Sample Size for the Training Set
This document describes a medical device (an endoscope reprocessor), not an AI/machine learning algorithm. Therefore, the concept of a "training set" for an algorithm to learn from does not apply. The device's operation is based on pre-programmed logic, physical and chemical principles, and validated engineering design, not on a machine learning model trained on a large dataset.
9. How the Ground Truth for the Training Set Was Established
As noted above, there is no "training set" in the context of machine learning for this device. The 'ground truth' for the design and validation of this electro-mechanical system is established through engineering design principles, recognized industry standards, scientific understanding of disinfection processes, and regulatory guidance documents.
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(91 days)
MINNTECH CORP.
The HF Junior Hemoconcentrator is intended for use in prevention or relief of fluid overload, electrolyte and acid imbalances in cases of acute renal failure with oliguria or anuria. Also, it is used to remove excess fluid in cases of congestive heart failure, pulmonary and cerebral edema, anasarca, ascites, septic shock, burns, etc. In hypervolemic patients requiring parenteral nutrition and/or large volume of medications, the hemofilter may be used to reduce fluid overload. In hypercatabolic patients requiring more intensive solute removal, a sterile dialysate fluid may be made to flow around the fibers via the dialysate ports in order to increase the clearance of small molecules. It is indicated for patients (including pediatric patients) according to physician assessment of the patient and the instructions for use.
The HF Junior Hemofilter consists of many individual polysulfone hollow fibers encapsulated into a polycarbonate case. The device has arterial and venous ports on opposite ends of the device. As the patient's blood enters the device through the arterial blood port, it passes through the fiber bundle and then exits the device through the venous blood port and is returned to the patient. As the blood passes through the fiber bundle, ultrafiltration occurs as a result of a hydrostatic pressure gradient that exists across the semipermeable membrane. The resulting hemofiltration removes large quantities of plasma water, and small and medium sized solutes (such as IL .- 6, C3a and C5a) are removed from the vascular space thereby concentrating the red cell mass and the plasma proteins.
This 510(k) summary for the HF™ Junior Hemofilter focuses on demonstrating substantial equivalence to previously cleared devices rather than establishing novel acceptance criteria through a clinical study. Therefore, many of the requested data points related to clinical study design (sample size for test/training sets, expert qualifications, adjudication methods, MRMC studies, ground truth establishment) are not applicable or explicitly stated in this document. The provided text describes bench testing to confirm performance equivalence.
Here's a breakdown of the available information:
HF™ Junior Hemofilter Acceptance Criteria and Performance (Based on Equivalence Testing)
Acceptance Criteria Category | Specific Test/Characteristic | Reported Device Performance (Relative to Predicate) |
---|---|---|
Physical Characteristics | Materials | All materials used in the HF Junior are currently used in Minntech's other HF family of devices. No new materials or manufacturing methods are used compared to predicate devices. |
Fiber Composition | The fiber used in the HF Junior has the same composition as other HF Hemofilter products (including the HF Minifilter, which differs only in internal diameter). It is exactly the same as the fiber used in the HPH Junior. | |
Configuration, Size | Identical to the HPH Junior (K050952). | |
Functional Performance | Static Prime Volume | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific quantitative values or acceptance ranges are not provided, only that equivalence was shown. |
Ultrafiltration Performance | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific quantitative values or acceptance ranges are not provided, only that equivalence was shown. | |
Blood Path Pressure Drop | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific quantitative values or acceptance ranges are not provided, only that equivalence was shown. | |
Protein Sieving (Albumin, Myoglobin, Inulin) | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific quantitative values or acceptance ranges for sieving coefficients are not provided, only that equivalence was shown. | |
Aqueous Sieving | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific quantitative values or acceptance ranges for sieving coefficients are not provided, only that equivalence was shown. | |
Safety and Integrity | Structural Integrity | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific test methods or quantitative results are not provided, only that equivalence was shown. |
Membrane Integrity | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific test methods or quantitative results are not provided, only that equivalence was shown. | |
Hemolysis (Biocompatibility) | Tested to show substantial equivalence to the predicate device (HF Minifilter Plus and HPH Junior). Specific test methods (e.g., ISO 10993-4) or quantitative results (e.g., % hemolysis) are not provided, only that equivalence was shown. | |
Regulatory Compliance | Compliance with relevant FDA guidances and ISO standards (e.g., ISO 8637:2004E: Cardiovascular Implants and Artificial Organs - Haemodialysers, Haemodiafilters, Haemofilters and Haemoconcentrators). | This is the overarching "acceptance criterion" for the study – demonstrating compliance with these standards and guidances to prove substantial equivalence to predicates. The testing performed (listed above) satisfies these requirements. |
Study Details:
-
Sample size used for the test set and the data provenance:
- Test Set Sample Size: The document does not specify a numerical sample size for the test set (number of devices tested). It refers to "extensive testing" performed on "both the HF Junior and the HF Mini for comparison purposes."
- Data Provenance: The testing was conducted by Minntech Corporation, the manufacturer. The data is retrospective in the sense that it evaluates manufactured devices against established predicate performance. The country of origin for the data is implicitly the United States, given the manufacturer's address.
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Number of experts used to establish the ground truth for the test set and the qualifications of those experts: Not applicable. This was not a clinical study involving expert interpretation of data or images. The "ground truth" for this substantial equivalence submission is the established performance characteristics and safety profile of the predicate devices, as defined by FDA guidances and ISO standards for hemofilters.
-
Adjudication method for the test set: Not applicable. There was no clinical data requiring expert adjudication.
-
If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance: Not applicable. This document describes the 510(k) submission for a physical medical device (hemofilter), not an AI/software device. Therefore, no MRMC study or AI-related effectiveness analysis was performed.
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If a standalone (i.e. algorithm only without human-in-the-loop performance) was done: Not applicable, as this is not an AI/software device. The performance data presented is "standalone" in the sense of the physical device's function, but it's not an algorithm's standalone performance.
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The type of ground truth used: For this substantial equivalence submission, the "ground truth" or reference standard for comparison is the established performance and safety characteristics of the predicate devices. These characteristics are defined by:
- Previously cleared Minntech hemofilters (HF Minifilter Plus Hemofilter, K962707, and HPH Junior, K050952).
- Relevant FDA guidances.
- International standards, specifically ISO 8637:2004E, "Cardiovascular Implants and Artificial Organs - Haemodialysers, Haemodiafilters, Haemofilters and Haemoconcentrators."
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The sample size for the training set: Not applicable. There was no machine learning or AI model involved, so no "training set."
-
How the ground truth for the training set was established: Not applicable, as there was no training set. The "ground truth" or reference for evaluating the HF Junior was the performance of the predicate devices as per regulatory standards.
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(291 days)
MINNTECH CORP.
The HPH™ Junior Hemoconcentrator is intended for use as an ultrafiltration system to remove excess fluid during and/or following cardiopulmonary bypass procedures where acute hemodilution is employed. It is indicated for all patients (including all pediatric patients) according to physician assessment of the patient and the Instructions for Use. In pediatric patients this device must be used only as a part of a cardiopulmonary bypass or circulatory support circuit, with the circuit being connected to the patient.
The HPH Junior Hemoconcentrator consists of many individual polysulfone hollow fibers encapsulated into a polycarbonate case. The device has arterial and venous ports on opposite ends of the device. As the patient's blood enters the device through the arterial blood port, it passes through the fiber bundle and then exits the device through the venous blood port and is returned to the patient. As the blood passes through the fiber bundle, ultrafiltration occurs as a result of a hydrostatic pressure gradient that exists across the semipermeable membrane. The resulting hemoconcentration removes large quantities of plasma water, and small and medium sized solutes (such as IL-6, C3a and C5a) are removed from the vascular space thereby concentrating the red cell mass and the plasma proteins.
The provided text describes the HPH™ Junior High Performance Hemoconcentrator and its substantial equivalence to a predicate device, the HPH Mini. The study focuses on demonstrating this equivalence through functional and safety testing.
Here's a breakdown of the requested information based on the provided text:
1. Table of Acceptance Criteria and Reported Device Performance
The document doesn't explicitly state "acceptance criteria" with numerical targets for each parameter. Instead, it states that the performance characteristics of the HPH Junior are "substantially equivalent" to the predicate device, HPH Mini. The reported device performance is presented as a comparison to the HPH Mini.
Acceptance Criteria (Implied) | Reported Device Performance (HPH Junior) | Predicate Device (HPH Mini) Performance | Notes |
---|---|---|---|
Material Equivalence | Uses same materials and manufacturing processes | Uses same materials and manufacturing processes | Explicitly stated as equivalent. |
Static Prime Volume | 9 ml | 14 ml | HPH Junior has a lower prime volume, which is a key distinguishing feature and advantage. |
Ultrafiltration Performance | Substantially equivalent | - | Tested and found equivalent to predicate. |
Blood Path Pressure Drop | Substantially equivalent | - | Tested and found equivalent to predicate. |
Protein Sieving (albumin, myoglobin, inulin) | Substantially equivalent | - | Tested and found equivalent to predicate. |
Structural Integrity | Substantially equivalent | - | Tested and found equivalent to predicate. |
Membrane Integrity | Substantially equivalent | - | Tested and found equivalent to predicate. |
Hemolysis | Substantially equivalent | - | Tested and found equivalent to predicate. |
2. Sample Size Used for the Test Set and Data Provenance
The document does not explicitly state the sample sizes used for the testing. It mentions "functional and safety testing" performed on "both the HPH Junior and the HPH Mini for comparison purposes." This implies a retrospective comparison as the HPH Mini is an existing device.
The data provenance is not specified beyond being internal testing conducted by Minntech Corporation to support their 510(k) submission to the U.S. FDA. There is no information regarding the country of origin of the data.
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 testing appears to be functional and safety testing conducted in a laboratory setting, not involving expert interpretation of patient data or clinical outcomes.
4. Adjudication Method for the Test Set
This information is not applicable as the study did not involve human interpretation or subjective assessment that would require an adjudication method. The testing was objective, measuring physical and performance characteristics.
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
An MRMC study was not done. This type of study is relevant for AI-powered diagnostic devices involving human interpretation, which is not the nature of this hemoconcentrator device.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done
This concept is not applicable to a mechanical medical device like a hemoconcentrator. The device itself performs its function (ultrafiltration) in a standalone manner, but there is no "algorithm" in the sense of AI or software processing data that would have a standalone performance.
7. The Type of Ground Truth Used
The "ground truth" for this study is based on objective measurements and engineering specifications as defined by relevant FDA guidances and ISO standards (specifically ISO 8637:2004E). The predicate device (HPH Mini) served as the benchmark for "substantially equivalent" performance.
8. The Sample Size for the Training Set
This information is not applicable as there is no "training set" in the context of this device. The study is a comparison of two physical devices based on their functional and safety characteristics, not a machine learning model.
9. How the Ground Truth for the Training Set was Established
This information is not applicable for the same reasons as in point 8.
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(174 days)
MINNTECH CORP.
Minntech Corporation's RenaClean™ SH Dialyzer Cleaning System is used to facilitate the cleaning of blood and other debris from multiple-use hollow fiber dialyzers, prior to being reprocessed on a Renatron® Dialyzer Reprocessing System.
The Renaclean SH Dialyzer Cleaning System facilitates the cleaning and removal of blood and other debris from multiple-use hollow fiber dialyzers prior to reprocessing on a Renatron® Dialyzer Reprocessing System. The stand-alone countertop system utilizes ANSI/AAMI quality water and a pre-diluted sodium hypochlorite solution.
The operator, through the use of a membrane switch front panel, controls the Renaclean SH Dialyzer Cleaning System. Operators have the following cycle choices: High Flux dialyzer clean, Low Flux dialyzer clean and System Sanitize.
This device, the RENACLEAN™ SH Dialyzer Cleaning System, is a medical device used to pre-clean dialyzers. The provided text is a 510(k) summary for this device, outlining its description, intended use, and a comparison to a predicate device, as well as the FDA's clearance letter. However, the provided text does not contain detailed acceptance criteria or a comprehensive study plan with specific performance metrics, sample sizes, or ground truth establishment methods typical for AI/ML device evaluations. This submission predates the widespread use of advanced AI/ML in medical devices, and the evaluation relies on functional testing and material compatibility, rather than AI-specific performance metrics.
Based on the information provided, here's a structured response addressing the requested points to the extent possible:
1. Table of Acceptance Criteria and Reported Device Performance
The submission states that "Minntech Corporation has performed functional testing to show the Renaclean Dialyzer Cleaning System is safe and has equivalent performance with respect to the predicate device." It also mentions "All materials have been tested for material compatibility with the chemicals used in the system as specified in the labeling."
Given the nature of the device (a dialyzer pre-cleaning system) and the submission type (510(k) summary from 2004), the "acceptance criteria" appear to be centered around functional equivalence and material compatibility with the predicate device and specified chemicals. Specific quantitative acceptance criteria are not detailed in the provided documents.
Acceptance Criteria (Implied) | Reported Device Performance |
---|---|
Safety | Demonstrated through functional testing and material compatibility. |
Equivalent performance to predicate device (Renatron II pre-clean cycle) in cleaning blood/debris from dialyzers prior to reprocessing. | Functional testing performed to show equivalent performance. |
Material compatibility with chemicals used in the system (ANSI/AAMI quality water and pre-diluted sodium hypochlorite solution). | All materials tested for compatibility as specified in labeling. |
2. Sample Size Used for the Test Set and Data Provenance
The provided text does not specify the sample size used for the functional testing or material compatibility tests.
The data provenance (e.g., country of origin, retrospective/prospective) is also not mentioned.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Their Qualifications
Given that this is a functional device (a cleaning system) rather than an image analysis or diagnostic AI, the concept of "ground truth established by experts" in the typical AI sense does not directly apply. The evaluation would likely involve engineering and quality control specialists assessing cleaning efficacy and material integrity, but no specific number or qualifications of experts are provided.
4. Adjudication Method for the Test Set
Not applicable to this type of device and evaluation as described. There's no mention of expert review or adjudication in the context of diagnostic performance.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
No. The provided information does not indicate that a Multi-Reader Multi-Case (MRMC) comparative effectiveness study was conducted. This type of study is typically associated with diagnostic or image analysis AI/ML devices where human readers interpret data with and without AI assistance. This device is a pre-cleaning system for dialyzers, not a diagnostic tool.
6. Standalone (Algorithm Only Without Human-in-the-Loop Performance) Study
While the device operates "standalone" in the sense that it performs a pre-cleaning cycle automatically, the concept of "algorithm only without human-in-the-loop performance" as typically discussed for AI/ML devices is not directly applicable. The device's performance is intrinsically linked to its mechanical and chemical processes, not an AI algorithm that makes diagnostic or treatment recommendations. The mentioned "functional testing" would represent the standalone performance of the physical system.
7. Type of Ground Truth Used
For functional testing of a cleaning device, "ground truth" would likely involve objective measurements of cleaning efficacy (e.g., residual blood/debris levels) on dialyzers after the cleaning cycle, compared against established benchmarks or the performance of the predicate device. For material compatibility, it would be material integrity assessments after exposure to chemicals. The specific methodologies are not detailed in the summary.
8. Sample Size for the Training Set
Not applicable. The device is a physical cleaning system, not an AI/ML algorithm that requires a "training set" in the context of machine learning.
9. How the Ground Truth for the Training Set Was Established
Not applicable, as there is no "training set" for this type of device.
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(58 days)
MINNTECH CORP.
The Minntech Corporation's EnGUARD™ CHC Dual Reservoir Cardioplegia Heater/Cooler is intended to be used as a self-contained temperature control device designed to deliver cooled or heated water to a cardioplegia heat exchanger in the cardiopulmonary bypass circuit.
The Minntech EnGUARD ™ CHC Dual Reservoir Cardioplegia Heater/Cooler is a portable heating and cooling circulation system with mechanical controls for delivery of warm or cool water to flow through type water pathway cardioplegia heat exchanger devices.
The provided text describes the Minntech EnGUARD™ CHC Dual Reservoir Cardioplegia Heater/Cooler, a medical device. However, it does not include detailed acceptance criteria or a study proving the device meets specific acceptance criteria in the way described in the prompt's request (e.g., using AI, test sets, ground truth, expert adjudication, MRMC studies, or standalone algorithm performance).
The document is a 510(k) summary for a medical device submitted to the FDA, focusing on substantial equivalence to a predicate device for market clearance. The "Performance Testing" section is very high-level and only lists the types of tests conducted, not the specific criteria or results.
Therefore, I cannot provide the requested information. The document states:
- "The following performance testing was conducted to determine device effectiveness as a cardioplegia heater/cooler: Heating and Cooling Systems performance, Electrical Safety Testing and Water Bath Management."
This statement does not contain:
- A table of acceptance criteria and reported device performance.
- Sample size for test sets or data provenance.
- Number of experts, their qualifications, or adjudication methods for ground truth.
- Information about MRMC comparative effectiveness studies or human reader improvement with AI.
- Information about standalone algorithm performance.
- The type of ground truth used (e.g., pathology, outcomes data).
- Sample size for the training set or how its ground truth was established.
The document primarily focuses on a comparison of technological characteristics to a predicate device, as shown in this table:
1. Table of Acceptance Criteria and Reported Device Performance
Not explicitly stated in the document as acceptance criteria. The table below represents a comparison of features and ranges between the proposed device and its predicate, which implicitly serves as meeting "acceptance" by demonstrating substantial equivalence.
Characteristic | Acceptance Criteria (Predicate Device Specification) | Reported Device Performance (EnGUARD™ CHC) |
---|---|---|
Reservoirs/construction | Dual/plastic | Dual/plastic |
Power requirements | 100, 115, 240 VAC | 100, 115, 240 VAC |
Reservoir Capacity (Cool) | 7.6 liters | 8 liters |
Reservoir Capacity (Heat) | 5.7 liters | 6 liters |
Fluid Heating Range | 25°C to 42°C | 25°C to 42°C |
Fluid Cooling Range | 32°C to 3°C | Ice Water temperatures |
Connections | 1/2" Hansen Fittings | 1/2" Hansen Fittings |
Hi Limit Temperature Control | 44°C | 43°C |
Further Breakdown of Requested Information (Not Available in Document):
- Sample size used for the test set and the data provenance: Not specified. The document refers to "Performance Testing" but does not detail the sample size or source of data for these tests.
- Number of experts used to establish the ground truth for the test set and the qualifications of those experts: Not applicable/specified. This is a medical device, not an AI/diagnostic software. Ground truth in this context would refer to instrument calibration and measurement accuracy, not expert consensus on images or diagnostic outcomes.
- Adjudication method for the test set: Not applicable/specified.
- If a multi reader multi case (MRMC) comparative effectiveness study was done: No. This type of study is for evaluating diagnostic performance with human readers, typically in the context of imaging or AI assistance. This document describes a physical medical device (heater/cooler).
- If a standalone (i.e. algorithm only without human-in-the-loop performance) was done: Not applicable. This is a physical device, not an algorithm.
- The type of ground truth used: Not specified. For a heater/cooler, "ground truth" would likely refer to calibrated thermometers and flow meters to verify temperature and flow accuracy.
- The sample size for the training set: Not applicable. There is no mention of an algorithm or training set for this physical device.
- How the ground truth for the training set was established: Not applicable.
In summary, the provided text is a 510(k) summary for a physical medical device (a heater/cooler), which follows a different regulatory pathway and testing paradigm than the AI/diagnostic software performance evaluation outlined in your prompt questions. Therefore, most of the requested information regarding AI-specific criteria, expert adjudication, and ground truth establishment is not present or applicable.
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(430 days)
MINNTECH CORP.
The Minntech Corporation's EnGuard™ Cardioplegia Heat Exchanger is used to cool or warm cardioplegia solution prior to delivery to the patient through connected tubing sets which provide various ratios of cardioplegia solution to blood, depending upon the tubing set chosen.
The administration of cardioplegia solution is commonly used to provide myocardial protection or controlled arrest of the heart during coronary bypass procedures. As the oxygenated blood enters the EnGuard™ device through the inlet blood port, it passes through the fiber bundle lumens where the temperature of the blood is cooled or warmed as desired by passing water of the desired temperature into the heater/cooler section of the device, which surrounds the fiber bundle. The water enters and leaves through standard Hansen connector ports molded into the polycarbonate case. The EnGuard™ heat exchanger must be used with separately purchased, sterile tubing sets attached as explained in the labeling. These tubing sets will determine the ratio of crystalloid to blood. The Minntech device will produce cardioplegia solution at ratios of 1:1, 2:1, 4:1 and 8:1 depending upon the chosen tubing set.
Here's an analysis of the provided text regarding the EnGuard™ PHX Cardioplegia Heat Exchanger, focusing on acceptance criteria and study details:
1. Table of Acceptance Criteria and Reported Device Performance
Acceptance Criteria Category | Specific Criteria/Test | Reported Device Performance |
---|---|---|
Safety | Biocompatibility (according to EN10993) | All materials evaluated and found acceptable. |
Performance/Effectiveness | Functional testing for equivalent performance to predicates | Performed functional testing; found equivalent performance. |
Durability | Shelf life | Evaluated to be 4 years. |
2. Sample Size Used for the Test Set and Data Provenance
The provided text does not specify the sample size used for any test set or the data provenance (e.g., country of origin, retrospective/prospective). The document primarily focuses on regulatory approval based on functional testing and comparison to predicate devices, rather than detailed clinical study results.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications of Experts
The text does not mention using experts to establish ground truth because the "study" described is functional testing comparing the device to predicates, not a diagnostic or AI-based system requiring expert interpretation of data.
4. Adjudication Method for the Test Set
The text does not mention an adjudication method, as it doesn't describe a process of expert review or consensus for establishing ground truth.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done
No, a Multi-Reader Multi-Case (MRMC) comparative effectiveness study was not done. The document describes functional testing and comparison against predicate devices for safety and equivalent performance, not a study involving human readers or AI assistance.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done
The EnGuard™ PHX Cardioplegia Heat Exchanger is a physical medical device, not an algorithm or AI system. Therefore, the concept of "standalone (algorithm only)" performance and "human-in-the-loop" is not applicable to this device.
7. The Type of Ground Truth Used
For this physical device, the "ground truth" for the functional testing would primarily be established by:
- Engineering specifications and standards: The device's ability to cool/warm solution within set parameters, mix solutions at specified ratios, etc.
- Performance data from predicate devices: The "ground truth" for performance equivalence is the established and accepted performance of the legally marketed predicate devices.
8. The Sample Size for the Training Set
This refers to a physical device, not an AI/ML algorithm that requires a "training set." Therefore, the concept of a training set sample size is not applicable.
9. How the Ground Truth for the Training Set Was Established
As this is a physical device, the concept of a "training set" and establishing ground truth for it is not applicable. The device's design, manufacturing, and functional testing adhere to established engineering principles and regulatory standards.
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(90 days)
MINNTECH CORP.
The Renaflo® II HF 2000 Hemofilter is intended for use in patients with fluid overload, uremia and/or electrolyte disturbances associated with oligoanuria acute renal failure. It may also be used when removal of excess fluid is indicated, such as patients in pulmonary edema or congestive heart failure refractory to diuretic therapy.
The Minntech Renaflo® II HF 2000 Hemofilter is made of glycerin-free, microporous, hollow fiber, polysulfone membrane encased in a polycarbonate housing having molded ultrafiltration ports and polycarbonate blood port header caps.
While the document provides a 510(k) summary for the Renaflo II HF 2000 Hemofilter, it does not contain the detailed information required to answer your specific questions about acceptance criteria and how a study proved the device meets them.
The document states that "The following performance testing was conducted to determine device effectiveness as a hemofilter: Ultrafiltration Rate vs. Transmembrane Pressure, Pressure Drop vs. Blood Flow Rate, Protein Rejection, Minimum Blood Flow Rate & Blood Path Integrity." However, it does not provide the acceptance criteria for these tests, nor does it present the actual test results or details about the study design.
Therefore, I cannot provide the information requested in your numbered points.
To answer your questions, I would need a document that includes:
- Specific numerical acceptance criteria for each performance metric (e.g., "Ultrafiltration Rate must be X ml/hr/mmHg ± Y%").
- Reported performance values from the testing conducted.
- Details about the test set: actual values from the tests conducted, and a description of the test conditions and methods.
- Information about training data (if applicable to a machine learning context, which this device is not): This device is a physical medical filter, not an AI/ML diagnostic tool, so concepts like "test set," "training set," "ground truth experts," or "adjudication methods" as typically applied to AI studies are not relevant here.
The provided document is a regulatory submission demonstrating substantial equivalence to a predicate device, which usually involves comparing specifications and performance (often indirectly by demonstrating similar design and materials, and then showing new device meets established performance characteristics, which are usually not fully disclosed in summaries like this). It is not a detailed clinical or performance study report.
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(90 days)
MINNTECH CORP.
Minntech Corporation's RenaClear™ Dialyzer Cleaning System is used to facilitate the cleaning of blood and other debris from multiple-use hollow fiber dialyzers prior to being reprocessed in an approved dialyzer reprocessing program.
The RenaClear™ Dialyzer Cleaning System facilitates the cleaning and removal of blood and other debris from multiple-use hollow fiber dialyzers prior to an institutions approved dialyzer reprocessing program. The stand-alone countertop system is equipped with two header cleaners that attach to the blood ports of a dialyzer. The header cleaners have a retractable, rotating, directional needle jet that will inject a water/air mixture into the dialyzer header and blood pathway. Simultaneously the dialyzer dialysate compartment and the exterior of the dialyzer fibers will be pressurized water to achieve reverse ultrafiltration.
The operator, through the use of a membrane switch front panel, controls the RenaClear™ Dialyzer Cleaning System. Operators have the following cycle choices: Dialyzer clean, system clean, system sanatize and system rinse.
Here's a breakdown of the acceptance criteria and study information for the RENACLEAR™ DIALYZER CLEANING SYSTEM based on the provided text:
1. Acceptance Criteria and Reported Device Performance
Acceptance Criteria | Reported Device Performance |
---|---|
Safety of the RenaClear™ Dialyzer Cleaning System | The device is stated to be safe. |
Equivalent performance to the predicate device (Renatron® II Dialyzer Reprocessing System pre-clean cycle) | Functionality testing showed equivalent performance to the predicate device. |
Material compatibility with chemicals used in the system as specified in the labeling | All materials were tested for compatibility with the chemicals used. |
Effectiveness in facilitating the cleaning of blood and other debris from multiple-use hollow fiber dialyzers | The device is stated to be effective when used in accordance with labeling. |
Substantial equivalence to legally marketed predicate devices | The FDA determined the device is substantially equivalent to predicate devices. |
2. Sample Size Used for the Test Set and Data Provenance
The provided text does not specify the sample size used for the test set or the data provenance (e.g., country of origin, retrospective or prospective). It only states that "Minntech Corporation has performed functional testing."
3. Number of Experts Used to Establish Ground Truth and Qualifications of Experts
The provided information does not mention using experts to establish ground truth or their qualifications. The evaluation appears to be based on functional testing and material compatibility.
4. Adjudication Method for the Test Set
The provided text does not describe any adjudication method for a test set. This type of detail is typically relevant for studies involving human interpretation or subjective assessment, which doesn't seem to be the primary focus here.
5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study
The provided text does not indicate that a Multi-Reader Multi-Case (MRMC) comparative effectiveness study was done, nor does it mention any effect size for human reader improvement with or without AI assistance. This type of study is not relevant for a device focused on mechanical cleaning.
6. Standalone (Algorithm Only) Performance Study
The provided text does not describe a standalone (algorithm only) performance study. The device is a physical cleaning system, not a software algorithm.
7. Type of Ground Truth Used
The ground truth for this device's evaluation appears to be based on:
- Functional performance criteria: Showing the system performs its intended cleaning function.
- Material compatibility testing: Verifying that the materials used are suitable for the chemicals involved.
- Comparison to a predicate device: Demonstrating that its performance is equivalent to an already approved device.
There is no mention of expert consensus, pathology, or outcomes data as a ground truth for cleaning efficacy in the provided summary.
8. Sample Size for the Training Set
The provided text does not mention a training set sample size. This concept is typically relevant for machine learning or AI models, which is not the nature of this device.
9. How the Ground Truth for the Training Set Was Established
Since there is no mention of a training set, the establishment of its ground truth is not applicable to this device description.
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(181 days)
MINNTECH CORP.
The FiberFlo™ series of Hollow Fiber Capsule Water Filters is intended to filter bacteria, endotoxin and particulate matter from water used for hemodialysis applications.
The FiberFlo™ Hollow Fiber Capsule Water Filters consist of encapsulated microporous polysulfone membrane in a polycarbonate housing with multiple endcap connections to filter endotoxins, bacteria and particulates from water.
The provided document is a 510(k) premarket notification for a medical device (FiberFlo™ Hollow Fiber Capsule Water Filters) and does not describe a study involving AI or machine learning. Therefore, most of the requested information regarding acceptance criteria, device performance, and study design relevant to AI models cannot be extracted.
However, I can provide the limited information available regarding the device's performance testing and general characteristics.
Information Extracted from the Document (Non-AI Device):
The document describes a conventional water filter, not an AI-powered device. Therefore, the questions related to AI acceptance criteria, sample sizes for AI training/test sets, ground truth establishment by experts, and MRMC studies are not applicable.
1. A table of acceptance criteria and the reported device performance:
The document mentions performance testing but does not explicitly state numerical acceptance criteria or detailed quantitative results for each test. It broadly states that the testing was "to support substantial equivalence."
Characteristic / Test | Acceptance Criteria (Not explicitly stated as numerical values in document) | Reported Device Performance (Summary) |
---|---|---|
Intended Use | Filter bacteria, endotoxin, and particulate matter from water for hemodialysis applications. | Considered "substantially equivalent" to predicate devices for its intended use based on performance testing. |
Pressure Drop vs. Flow Rate | (Not specified) | Testing conducted to support substantial equivalence. |
Endotoxin Rejection | (Not specified) | Testing conducted to support substantial equivalence. |
Minimum and Maximum Water Flow Rates | (Not specified) | Testing conducted to support substantial equivalence. |
Extractables Testing | (Not specified) | Testing conducted to support substantial equivalence. |
2. Sample sized used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective):
Not applicable, as this is a physical device, not an AI model evaluated on a data set. The performance testing would involve physical units of the filter.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience):
Not applicable. Ground truth for a physical filter's performance is established through laboratory measurements and established testing protocols, not expert consensus on data.
4. Adjudication method (e.g. 2+1, 3+1, none) for the test set:
Not applicable.
5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance:
Not applicable.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done:
Not applicable.
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc):
For this physical device, the "ground truth" would be objective measurements from laboratory tests according to recognized standards (e.g., bacterial retention challenge tests, endotoxin assays, flow rate measurements).
8. The sample size for the training set:
Not applicable.
9. How the ground truth for the training set was established:
Not applicable.
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