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510(k) Data Aggregation

    K Number
    K963288
    Device Name
    LM BONE ANCHOR
    Date Cleared
    1996-11-13

    (84 days)

    Product Code
    Regulation Number
    888.3040
    Reference & Predicate Devices
    Predicate For
    N/A
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Bladder neck suspension for female urinary incontinence due to urethral hypermobility. Fixation in pubic bone for the purpose of bladder neck suspension using USP #2 Class I, non-absorbable, synthetic suture (e.g., polypropylene). A minimum of two LM Anchors should be used in this (modified MMK, Raz, or Stamey, i.e., Benderev) procedure.

    Device Description

    Made from surgical grade stainless steel (316L) or titanium (6A1-4V ELI), the LM Anchor Products are designed with a crown and a center pin through which suture is passed to provide a means for soft tissue to bone attachment.

    AI/ML Overview

    This 510(k) summary describes a device, the LM Anchor Products, not an AI/ML powered device. Therefore, many of the requested categories related to AI performance, such as sample sizes for test and training sets, expert qualifications, and MRMC studies, are not applicable.

    However, I can extract the available performance information from the provided text for the medical device.

    1. Table of Acceptance Criteria and Reported Device Performance

    Acceptance CriteriaReported Device Performance
    Substantial equivalence in mean pullout strength to Mitek anchors.The mean pullout strength of the LM Anchor Products was substantially equivalent to the mean pullout strength of the Mitek anchors.

    2. Sample size used for the test set and the data provenance

    • Sample Size: Not explicitly stated as a number of devices or subjects. The document mentions "cadaver specimen," implying human cadaveric tissue was used.
    • Data Provenance: "Pre-clinical testing in cadaver specimen." This indicates a laboratory study using cadavers, not live human subjects. The country of origin is not specified.

    3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts

    Not applicable. This is a mechanical performance test, not a diagnostic or interpretative one that would require expert ground truth establishment in the traditional sense. The "ground truth" here is the measured pullout strength.

    4. Adjudication method for the test set

    Not applicable. This is a direct measurement of pullout strength. No adjudication method typically applies to such biomechanical testing.

    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 a non-AI mechanical device.

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

    Not applicable. This is a non-AI mechanical device. The test measures the device's inherent mechanical property.

    7. The type of ground truth used

    The "ground truth" in this context is the measured pullout strength of both the LM Anchor Products and the predicate Mitek anchors, obtained through pre-clinical cadaveric testing.

    8. The sample size for the training set

    Not applicable. This is a hardware device; there is no "training set" in the AI/ML sense.

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

    Not applicable. There is no training set. The "ground truth" (measured pullout strength) for the performance evaluation was established through direct experimental measurement on cadaveric specimens.

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