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510(k) Data Aggregation

    K Number
    K173822
    Manufacturer
    Date Cleared
    2018-09-11

    (267 days)

    Product Code
    Regulation Number
    876.1500
    Reference & Predicate Devices
    Predicate For
    N/A
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The Anchor™ Tissue Retrieval System™ by CONMED is a sterile disposable pouch used with a dedicated introducer for the encapture and transvaginal removal of an organ or tissue during laparoscopic hysterectomy.

    Device Description

    The Anchor™ Tissue Retrieval System™ by CONMED is a sterile, disposable, retrieval pouch for use with a dedicated introducer for the encapture and transvaginal removal of an organ or tissue during laparoscopic hysterectomy. The Anchor™ Tissue Retrieval System™ by CONMED consists of a rip stop nylon with polyurethane laminate pouch and two stainless steel arms attached to internal pusher rod, which is connected to a handle at the end distal to the patient. Around the internal pusher rod is the introducer with handle. The introducer handle incorporates a spring-loaded button and a stop mechanism is built into the pusher rod. There is a braided drawstring which enters the introducer with the pusher rod and loops through the rip stop nylon pouch with polyurethane laminate.

    AI/ML Overview

    The provided text describes a 510(k) premarket notification for the Anchor™ Tissue Retrieval System™ by CONMED. This document focuses on demonstrating substantial equivalence to a predicate device rather than presenting a study with acceptance criteria for a new device's performance.

    Therefore, much of the requested information (such as specific performance metrics, sample sizes for test and training sets, expert qualifications, and ground truth methodologies) is not explicitly detailed in the provided text, as these are typically part of a full study report or design validation documentation, not a 510(k) summary.

    However, I can extract the available information.

    1. Table of Acceptance Criteria and Reported Device Performance

    The document mentions "Design verification activities demonstrate the device meets design specifications" and lists the types of tests conducted. It does not provide specific numerical acceptance criteria or the reported performance values for each criterion. It only states that the results were "acceptable."

    Acceptance Criteria (Implied)Reported Device Performance (Implied)
    Bag volume meets specificationsAcceptable (Specific volume: 6000mL)
    Drawstring length meets specificationsAcceptable
    Puncture resistance meets specificationsAcceptable
    Multiple deployments meet specificationsAcceptable
    Insertion/removal force meets specificationsAcceptable
    Bag burst pressure meets specificationsAcceptable
    User performance during simulated use (insertion, multiple deployments, device/specimen removal, clarity of IFU, overall reliability and quality)Acceptable

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

    The document states: "Design validation activities consisted of simulated use in a cadaver model."

    • Sample Size for Test Set: Not explicitly stated.
    • Data Provenance: Cadaver model (simulated use). Country of origin is not specified, but the submission is to the U.S. FDA, implying U.S. standards or studies. It is a prospective simulation study.

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

    The document mentions "Users performance including insertion, multiple assessed device deployments, device/specimen removal, clarity of instructions for use and overall reliability and quality of the device."

    • Number of Experts: Not explicitly stated. The term "Users" suggests multiple individuals participated.
    • Qualifications of Experts: Not explicitly stated. However, given the context of a surgical device and "user performance," it is highly probable these "users" were surgeons or other medical professionals with relevant experience in laparoscopic hysterectomy.

    4. Adjudication Method for the Test Set

    Not specified.

    5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done

    No, this type of study is not described. The device is a tissue retrieval system, not an AI diagnostic tool that would typically involve a multi-reader study.

    6. If a Standalone (Algorithm Only Without Human-in-the-Loop Performance) Was Done

    Not applicable. This is a medical device (a tissue retrieval system), not an algorithm or AI.

    7. The Type of Ground Truth Used

    For the simulated use in the cadaver model, the "ground truth" was likely subjective user assessment of performance, reliability, and clarity of instructions, potentially with objective measures of device functionality during the simulation (e.g., successful deployment, retrieval without tearing). It is based on expert assessment/observation in a simulated environment.

    8. The Sample Size for the Training Set

    Not applicable. This is a physical medical device, not an AI/machine learning algorithm requiring a training set. The "design verification activities" and "design validation activities" constitute the testing phases for the device.

    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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