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510(k) Data Aggregation

    K Number
    K200951
    Date Cleared
    2020-12-08

    (243 days)

    Product Code
    Regulation Number
    888.3730
    Reference & Predicate Devices
    Why did this record match?
    Reference Devices :

    K121973

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

    The Accu-Joint Hemi Implant, a hemi-arthroplasty metatarsal head or phalangeal base implant for the metatarsophalangeal (MTP) joint, is indicated for use in the treatment of patients with degenerative and post-traumatic arthritis in the MTP joint in the presence of good bone stock, along with the following clinical conditions: Hallux Limitus, Hallux Valgus, Hallux Rigidus, and an unstable or painful MTP joint. The Accu-Joint Hemi Implant is intended to be used with bone cement.

    The metatarsal head and phalangeal base may not be used together at the same joint.

    Device Description

    The Accu-Joint Hemi Implant consists of a hemi-arthroplasty metatarsal head or phalangeal base intended to resurface the metatarsophalangeal joint. These components are used for hemiarthroplasty and are not used together to create a joint Hemi Implant is designed with a threaded shaft for intramedullary insertion. The implant has a driver pocket on the articular surface axially aligned with the threaded shaft. To accommodate a wide range of patient anatomies, various sizes are offered.

    AI/ML Overview

    The provided text describes a 510(k) premarket notification for a medical device called the "Accu-Joint Hemi Implant," which is a toe joint phalangeal prosthesis. The document details the device's characteristics, indications for use, and performance data from non-clinical testing.

    However, the provided text does not contain any information regarding acceptance criteria or a study that proves the device meets those criteria, as typically understood for an AI/ML-based device validation (which would involve metrics like sensitivity, specificity, F1-scores, ROC curves, etc.). The performance data mentioned refers to mechanical testing (static torsion, driving torque, static pullout, dynamic bending) of the physical implant itself, comparing its physical strength to predicate devices. There is no mention of "acceptance criteria" related to diagnostic or evaluative performance, nor details about a "study" involving a test set, expert ground truth, or MRMC studies.

    Therefore, I cannot fulfill the request as the necessary information (acceptance criteria for diagnostic performance, test set details, ground truth establishment, expert involvement, and statistical findings of an AI/ML study) is absent from the provided text.

    The text focuses on establishing substantial equivalence based on:

    • Physical characteristics (materials, insertion method, size, hole)
    • Indications for Use
    • Mechanical strength testing (demonstrating it's sufficient for intended use and equivalent to predicates)

    It's a clearance for a physical orthopedic implant, not an AI/ML diagnostic or assistive device, which explains the lack of the requested AI/ML specific validation information.

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