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510(k) Data Aggregation

    K Number
    K212718
    Device Name
    Surgical gowns
    Date Cleared
    2022-01-12

    (138 days)

    Product Code
    Regulation Number
    878.4040
    Reference & Predicate Devices
    Predicate For
    N/A
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The Surgical gowns are intended to be worn by operating room personnel during surgical procedures to protect the surgical patient and operating room personnel from the transfer of microorganisms, body fluids and particulate material. In addition, this surgical gown meets the requirements of AAMI Level 3 barrier protection for a surgical gown per ANSU AAMI PB70:2012 Liquid barrier performance and classification of protective apparel and drapes intended for use in health care facilities (AAMI PB70). The Surgical gowns are single use, disposable medical devices, provided sterile.

    Device Description

    The Surgical gowns is composed of collar, body, sleeve and tie. The back is full opening, the neck and waist are laced, the sleeve are made of cotton closure by sewing, and the rest are made of heat sealing. It has been tested according to AAMI PB70:2012 and meet AAMI Level 3 barrier level protection for a surgical gown.

    AI/ML Overview

    The provided text is a 510(k) summary for a medical device, specifically Surgical Gowns. It details the device's characteristics, intended use, and comparative testing against a predicate device to demonstrate substantial equivalence.

    However, the request asks for information relevant to the acceptance criteria and the study that proves a device (likely an AI/ML powered device for diagnosis or similar application) meets those criteria. The provided document does not describe an AI/ML powered device, nor does it detail a study involving expert readers or AI assistance. Instead, it focuses on non-clinical performance testing of a physical product (surgical gowns) based on recognized standards.

    Therefore, most of the specific points requested (e.g., sample size for test set, data provenance, number of experts, adjudication method, MRMC study, standalone performance, ground truth for training set) are not applicable to the content of this document.

    I will attempt to answer the parts that are applicable based on the provided document, interpreting "acceptance criteria" as the performance requirements for the surgical gowns and "study" as the non-clinical performance testing conducted.

    Here's an adaptation based on the provided document, acknowledging the limitations:


    Acceptance Criteria and Device Performance for Surgical Gowns (K212718)

    This document describes the non-clinical performance testing of surgical gowns (K212718) to demonstrate substantial equivalence to a predicate device, rather than a clinical study of an AI/ML device. Therefore, many of the requested criteria related to AI/ML device testing (e.g., expert readers, MRMC studies, ground truth for training) are not applicable.

    Below is a table summarizing the acceptance criteria (performance requirements based on standards) and the reported device performance for the surgical gowns.

    1. Table of Acceptance Criteria and Reported Device Performance:

    Test ItemAcceptance Criteria (Standard Requirement/Predicate Performance)Reported Device Performance (K212718)
    AAMI Level 3 Barrier ProtectionMeets AAMI Level 3 per ANSI/AAMI PB70:2012Meets AAMI Level 3 per ANSI/AAMI PB70:2012
    Impact PenetrationTypically a low value (e.g., 0.0-0.10 g for predicate)< 0.1g
    Hydrostatic Resistance (Critical Zone)Typically a minimum cmH2O (e.g., 65-92 cm for predicate)> 50cmH2O
    Resistance to Blood and Liquid PenetrationLevel 3 per PB70Level 3 per PB70
    Tensile Strength (Machine Direction)Predicate: 21.57 lbf (approx. 95.9 N)252N
    Tensile Strength (Cross Direction)Predicate: 13.6 lbs (approx. 60.5 N)121N
    Tear Resistance (Fabric direction A)Predicate: 3.47 lbf (approx. 15.4 N)91N
    Tear Resistance (Fabric direction B)Predicate: 5.63 lbs (approx. 25.0 N)34.5N
    Flame SpreadClass 1, Non FlammableClass 1, Non Flammable
    Sterility Assurance Level (SAL)10^-610^-6
    Shelf LifeNot identified for predicate2 years
    CytotoxicityNoncytotoxic (Comply with ISO 10993-5)Noncytotoxic (Pass)
    IrritationNonirritating (Comply with ISO 10993-10)Nonirritating (Pass)
    SensitizationNonsensitizing (Comply with ISO 10993-10)Nonsensitizing (Pass)

    2. Sample Size Used for the Test Set and Data Provenance:
    The document does not specify the exact sample sizes (e.g., number of gowns) used for each non-clinical performance test. The data provenance is implied to be from the manufacturer's testing of their product. The testing is non-clinical performance testing, not a human study, and therefore terms like "retrospective or prospective" are not directly applicable in the typical sense for clinical trials.

    3. Number of Experts Used to Establish Ground Truth and Qualifications:
    Not applicable. This device is a physical product (surgical gowns) and its performance is evaluated through standardized laboratory tests, not by human expert assessment of diagnostic outputs.

    4. Adjudication Method for the Test Set:
    Not applicable. Performance is determined by objective measurements according to recognized standards (e.g., AATCC 42, AATCC 127, ASTM D5034, ASTM D5733, 16 CFR Part 1610, AAMI PB70, ISO 10993).

    5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study was done:
    Not applicable. This is not an AI-assisted diagnostic device.

    6. If a Standalone (i.e. algorithm only without human-in-the-loop performance) was done:
    Not applicable. This is a physical product, not an algorithm. The reported performance relates to the gown's material properties and barrier protection.

    7. The Type of Ground Truth Used:
    The "ground truth" for the surgical gowns' performance is established by the results of standardized laboratory testing (e.g., measurements of impact penetration, hydrostatic resistance, tensile strength, tear resistance, flame spread, and biocompatibility assays). These tests provide objective values that are compared against predefined criteria from recognized industry standards (e.g., AAMI PB70, ASTM, AATCC, ISO standards).

    8. The Sample Size for the Training Set:
    Not applicable. This is a manufactured product, not an AI/ML model that requires a training set.

    9. How the Ground Truth for the Training Set Was Established:
    Not applicable. No training set is involved for this type of device.

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