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510(k) Data Aggregation

    K Number
    K142138
    Device Name
    ISO-GARD MASK
    Date Cleared
    2014-10-30

    (86 days)

    Product Code
    Regulation Number
    868.5430
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    ISO-GARD MASK

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The ISO-Gard® Mask is intended to scavenge waste anesthetic gases from patients during recovery from general anesthesia and to provide supplemental oxygen.

    The ISO-Gard® Mask helps to reduce the amount of anesthetic agents released to the work environment of the healthcare worker.

    Device Description

    The ISO-Gard Mask system is an oxygen delivery mask that actively scavenges waste anesthetic gases (WAG) exhaled by patients recovering from surgery in the Post-Anesthetic Care Unit (PACU). Vacuum/suction for scavenging of WAG is provided by the institution's regulated vacuum source. The proposed device allows for the delivery of supplemental / therapeutic oxygen to patients to aid in their recovery while reducing the amount of patient expelled waste anesthetic agents released to the work environment of the healthcare workers. The mask can be used with or without suction / vacuum to function as a standard oxygen mask with an ETCO2 monitoring port.

    AI/ML Overview

    This document describes the Teleflex Medical, Inc. ISO-Gard Mask (K142138), a gas-scavenging apparatus intended to remove waste anesthetic gases and provide supplemental oxygen to patients recovering from general anesthesia.

    Here's an analysis of the provided information regarding acceptance criteria and the supporting studies:

    1. Table of Acceptance Criteria and Reported Device Performance:

    Test NameTest ObjectiveAcceptance CriteriaReported Device Performance and Conclusion
    Oxygen Delivery with Vacuum TubingTo evaluate the oxygen delivery performance at variable oxygen flow rates and vacuum levels at standard Tidal Volumes of 500 ml.The delivered oxygen percentage using the ISO-Gard Mask must be equal to or greater than a standard medium concentration oxygen mask for all vacuum settings and oxygen flow rates.Not explicitly detailed in the provided text. The overall conclusion states that "Performance test results demonstrate that the proposed device does not raise new questions of safety and effectiveness and because all acceptance criteria has been met, the device can be found substantially equivalent." This implies the device met this criterion.
    Oxygen Delivery with Vacuum Tubing RemovedTo evaluate the oxygen delivery performance with vacuum tubing removed at variable oxygen flow rates.The delivered oxygen percentage using the ISO-Gard Mask must be equal to or greater than a standard medium concentration oxygen mask for all oxygen flow rates.Not explicitly detailed in the provided text. The overall conclusion states that "Performance test results demonstrate that the proposed device does not raise new questions of safety and effectiveness and because all acceptance criteria has been met, the device can be found substantially equivalent." This implies the device met this criterion.
    Strength of ConnectionTo validate the Oxygen Flow Concentrator to Mask bond strength.The Oxygen Flow Concentrator will not detach at 30 lpm flow rate and the initial gauge pressure reading will remain the same as the final pressure reading for each tested mask.Not explicitly detailed in the provided text. The overall conclusion states that "Performance test results demonstrate that the proposed device does not raise new questions of safety and effectiveness and because all acceptance criteria has been met, the device can be found substantially equivalent." This implies the device met this criterion.
    Biocompatibility Testing: CytotoxicityTo verify biocompatibility of the new material. Testing was performed based on skin/external communication contact of limited duration (
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    K Number
    K132729
    Device Name
    ISO-GARD MASK
    Date Cleared
    2014-01-09

    (128 days)

    Product Code
    Regulation Number
    868.5430
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    ISO-GARD MASK

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The ISO-Gard® Mask is intended to be used to scavenge waste anesthetic gases from patients during recovery from general anesthesia and to provide supplemental oxygen.

    The ISO-Gard® Mask helps to reduce the amount of anesthetic agents released to the work environment of the healthcare worker.

    Device Description

    The ISO-Gard Mask system is an oxygen delivery mask that actively scavenges waste anesthetic gases (WAGS) exhaled by patients recovering from surgery in the Post-Anesthetic Care Unit (PACU). Vacuum/suction for scavenging of WAGS is provided by the institution's regulated vacuum source. The proposed device allows for the delivery of supplemental / therapeutic oxygen to patients to aid in their recovery while reducing the amount of patient expelled waste anesthetic agents released to the work environment of the healthcare workers. The mask can be used with or without suction / vacuum to function as a standard oxygen mask with an ETCO2 monitoring port.

    AI/ML Overview

    ISO-Gard® Mask Acceptance Criteria and Study Details

    1. Table of Acceptance Criteria and Reported Device Performance

    TestTest ObjectiveAcceptance CriteriaReported Device Performance
    Oxygen DeliveryTo evaluate the oxygen delivery performance at variable oxygen flow rates and vacuum levels at standard Tidal Volumes of 500 ml without the use of N₂OThe delivered oxygen percentage using the ISO-Gard Mask must be equal to or greater than a standard medium concentration oxygen mask for all vacuum settingsThe device met this criterion.
    ScavengingTo evaluate the scavenging performance at variable oxygen flow rates and vacuum levels at standard Tidal Volumes of 500 ml with N₂ON₂O levels must be lower than with a standard medium concentration oxygen maskThe device met this criterion.
    ETCO₂To evaluate the ETCO₂ performance in simulated conditionsThe traces/waveforms during testing must be distinct and generated consistentlyThe device met this criterion.

    2. Sample Size Used for the Test Set and Data Provenance

    The provided document does not specify the sample size used for the test set.

    The data provenance is not explicitly stated as retrospective or prospective, nor does it specify the country of origin. However, the tests are described as nonclinical performance testing and simulated conditions, suggesting laboratory-based studies rather than patient data.

    3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications

    The document does not mention the use of experts to establish ground truth for the test set. The performance tests appear to be based on objective measurements against established technical standards for oxygen delivery, scavenging efficacy, and ETCO2 waveform characteristics, rather than expert judgment.

    4. Adjudication Method for the Test Set

    Since there is no mention of experts or human interpretation in establishing the ground truth for the test set, there is no adjudication method described (e.g., 2+1, 3+1, none). The tests rely on quantifiable measurements.

    5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study

    There is no indication that a multi-reader multi-case (MRMC) comparative effectiveness study was conducted. The device is a physical mask for gas scavenging and oxygen delivery, not an imaging or diagnostic AI tool that would typically involve human readers.

    6. Standalone (Algorithm Only Without Human-in-the-Loop Performance) Study

    This question is not applicable. The ISO-Gard® Mask is a medical device for gas delivery and scavenging, not an algorithm or AI system. Therefore, a "standalone algorithm performance" study is not relevant. The performance tests evaluate the physical functioning of the device.

    7. Type of Ground Truth Used

    The ground truth for the performance tests appears to be based on objective technical standards and measurements:

    • For Oxygen Delivery: Comparison against "a standard medium concentration oxygen mask" and measurements of delivered oxygen percentage.
    • For Scavenging: Measurement of N₂O levels compared against "a standard medium concentration oxygen mask."
    • For ETCO₂: Evaluation of generated traces/waveforms for distinctness and consistency.

    8. Sample Size for the Training Set

    The document does not mention a training set. This is expected as the ISO-Gard® Mask is a physical medical device and not an AI or machine learning system that requires training data.

    9. How the Ground Truth for the Training Set Was Established

    This question is not applicable as there is no mention of a training set for this device.

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