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510(k) Data Aggregation

    K Number
    K150167
    Date Cleared
    2015-06-30

    (155 days)

    Product Code
    Regulation Number
    868.5880
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    V60 Anesthetic Vaporizer

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

    V60 Anesthetic Vaporizer is an unheated, calibrated anesthetic vaporizer used for evaporating liquid anesthetic agents and delivering mixed gas of controlled concentration to an anesthetic delivery system.

    The V60 Anesthetic Vaporizer is available in models specific for use with Isoflurane and models available specific for use with Sevoflurane.

    Device Description

    The V60 Anesthetic Vaporizer is an unheated, calibrated anesthetic vaporizer. Fresh gas enters the vaporizer and is divided into two pathways: carrier gas (through pressure compensation and liquid vaporizing systems) and diluted gas (through bypass and temperature compensation systems). These two pathways mix to form mixed anesthetic gas with a controlled concentration before the outlet. It includes a filling system, can be installed on an anesthetic delivery system, evaporates liquid anesthetic agents to deliver mixed gas of controlled concentration, and provides a mechanism to adjust output concentration.

    AI/ML Overview

    The provided documentation does not describe a study involving a medical device that uses AI or requires expert adjudication for establishing ground truth, nor does it discuss clinical performance metrics like sensitivity, specificity, or AUC. The submission is for an anesthetic vaporizer, which is a physical device, not a software algorithm.

    Therefore, many of the requested categories are not applicable to this document. I will fill in the relevant information based on the provided text.

    1. Table of Acceptance Criteria and Reported Device Performance

    Feature/TestAcceptance Criteria (Predicate Device K971923)Reported Device Performance (Mindray V60 Anesthetic Vaporizer)Conclusion regarding Substantial Equivalence
    Output Concentration Accuracy:
    Operating Environment (Range 1)15 to 35°C or 0.2 to 10 L/min15 to 35°C or 0.25 to 10 L/minSimilar
    Operating Environment (Range 2)10 to 15°C or 35 to 40°C or 10 to 15 L/min10 to 15°C or 35 to 40°C or 10 to 15 L/minSimilar
    Set concentration 6%±0.25 vol.% or ±20% rel., whichever is greater+0.35/-0.25 vol.% or +30/-20% rel., whichever is greaterSimilar
    Flow Range0.25 to 15 L/min; 0.25 to 10 L/min for concentrations >5 Vol.%0.2 to 15 L/min; 0.2 to 10 L/min for concentrations >5 Vol.%Similar
    Environmental Conditions
    Temperature10 to 40°C10 to 40°CIdentical
    Humidity0 to 95%, non-condensing15 to 95%, non-condensingSimilar
    Atmospheric Pressure70 to 110 kPa70 to 106 kPaSimilar
    Other Technical Characteristics
    Filling SystemVapor of filling spout, Keyed filling, Quik FilPour Fill, Key Filler, Quik-FilIdentical (functionally)
    Volume360 ml (dry wick), 300 ml (moist wick), 260 ml (between min & max marks)360 ml (dry wick), 300 ml (moist wick), 260 ml (between min & max marks)Identical
    Connection to anesthesia gas machineSelectatec-compatible plug-in connectorsSelectatec-compatible plug-in connectorsIdentical
    Maximum angle of tilt (fixed on machine)30°30°Identical
    Difference between pressure range & ambient pressure on vaporizer outlet-10 kPa~20 kPa-10 kPa~20 kPaIdentical
    Resistance70 cmH2O@10L/min70 cmH2O@10L/minIdentical
    Dial/calibration markings (Isoflurane)0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.00, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0Identical
    Dial/calibration markings (Sevoflurane)0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 7.0, 8.00, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 7.0, 8.0Identical
    Other Tests
    Biological Evaluation (ISO 10993)Compliance with ISO 10993 standards and biocompatibility requirementsCompliance with ISO 10993 for gas contacting components; Particulates Matter (PM2.5/PM10) and Volatile Organic Compounds (VOCs) testing performed.Compliant
    Electrical Safety (ANSI/AAMI ES60601-1)Compliance with ANSI/AAMI ES60601-1:2005Compliance with ANSI/AAMI ES60601-1:2005 and A1:2012, C1:2009, A2:2010Compliant
    Risk Management (ISO 14971)Application of risk management to medical devicesCompliance with ISO 14971:2007Compliant
    Usability Engineering (IEC 62366 and IEC 60601-1-6)Application of usability engineeringCompliance with IEC 62366:2014 and IEC 60601-1-6:2010Compliant
    Anaesthetic Vaporizers (ISO 5360, 8835-4)Specific requirements for anaesthetic vaporizers and vapor delivery devicesCompliance with ISO 5360:2012 and ISO 8835-4:2004Compliant

    Studies that prove the device meets acceptance criteria are documented under "7. Performance Data" and "6. Substantial Equivalence Considerations" in the provided text. Functional and system-level tests were conducted to evaluate the performance of each model of the V60 Anesthetic Vaporizer. These tests included measurements for filling rate, filling leakage, volume, output concentration accuracy, flow rates, maximum angles of tilt, temperature range, humidity, maximum atmospheric pressure, pressure difference at outlet, resistance, dial mark calibration, and compatibility. The results of these tests are presented in Appendix H4, H10, G1, and G3 (though the appendices themselves are not included in this document). The document states that all performance of the V60 vaporizer was verified through the successful completion of all tests, demonstrating that the device meets its predetermined specifications and FDA recognized consensus standards, and is equivalent to the predicate.

    2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

    The document does not specify a "sample size" for a test set in terms of patients or independent data points for a diagnostic algorithm. This is a submission for a physical medical device. The "test set" would refer to the anesthetic vaporizers themselves that underwent functional and system-level testing. The document states that "functional and system level testing on the subject devices" was conducted, implying at least one, and likely several, units of the V60 Anesthetic Vaporizer were tested. The provenance of the data is implicitly from Shenzhen Mindray Bio-medical Electronics Co., Ltd, in China, based on the manufacturer's location. The tests are described as non-clinical, indicating lab-based, prospective testing rather than retrospective data analysis.

    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. This is for a physical medical device (anesthetic vaporizer), not a diagnostic device requiring expert interpretation or ground truth establishment in a clinical sense. The "ground truth" for the performance tests would be the established scientific and engineering principles and the specifications of the predicate device, against which the V60's physical performance was measured.

    4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

    Not applicable. This is for a physical medical device, not a diagnostic device requiring adjudication of interpretations.

    5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance

    Not applicable. This is for a physical anesthetic vaporizer, not an AI-powered diagnostic tool involving human readers.

    6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done

    Not applicable. This is for a physical anesthetic vaporizer, not a software algorithm.

    7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)

    The "ground truth" for the device's performance is established by the functional specifications and international standards (e.g., ISO, IEC, ANSI/AAMI) that define the expected output concentration accuracy, flow rates, resistance, and other physical properties of an anesthetic vaporizer. The predicate device's performance also serves as a benchmark for substantial equivalence.

    8. The sample size for the training set

    Not applicable. This is a submission for a physical medical device, not a machine learning algorithm that requires a training set.

    9. How the ground truth for the training set was established

    Not applicable. As this is not a machine learning algorithm, there is no "training set" or establishment of ground truth for it in that context.

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