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510(k) Data Aggregation

    K Number
    K191765
    Date Cleared
    2019-09-25

    (86 days)

    Product Code
    Regulation Number
    888.3560
    Why did this record match?
    Device Name :

    OMNI TiN Coated Apex Knee™ System

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

    The OMNI TiN Coated Apex Knee™ is intended for use as a primary or revision total knee replacement. This knee replacement system is intended for cemented single use implantation. This prosthesis may be used for the following conditions, as appropriate:

    • · Non-inflammatory degenerative joint disease, including osteoarthritis and avascular necrosis;
    • · Rheumatoid arthritis;
    • · Correction of functional deformity;
    • · Revision procedures where other treatments or devices have failed;
      The Apex Knee™ Modular Tibial Augments with TiN coating are intended to be bolted to the TiN coated Tibia Baseplate and cemented to the prepared tibia. The Apex Knee Revision Femur System Augments are intended to be bolted to the TiN coated femoral component and cemented to the prepared femur.
    Device Description

    The change that is the subject of this 510(k) is to add a thin coating of Titanium Nitride (TiN) to all surfaces of all CoCrMo substrate metal components (Femoral(s), Tibial Baseplate(s), and Revision Tibia Augments) as listed in the above Predicates. The purpose of the TiN coating is to substantially reduce release of CoCrMo metal ions into body fluids, bone or soft tissues.
    There is no change to the fundamental scientific technology of the referenced OMNI Predicate Knee Systems (5) with the modifications in this 510(k) submission. This includes no changes to the substrate materials, design, sterilization, packaging, or method(s) of manufacture.

    AI/ML Overview

    I am sorry, but the provided text does not contain information about acceptance criteria or a study proving that a device meets those criteria. The text is a 510(k) premarket notification for a medical device called the "OMNI TiN Coated Apex Knee™ System."

    While it discusses the device's indications for use, its description, predicate devices, and non-clinical testing performed on the Titanium Nitride (TiN) coating, it explicitly states:

    "7. Clinical Testing: No clinical studies were performed."

    This immediately indicates that there will be no information regarding:

    • A table of acceptance criteria and reported device performance (as this would typically come from clinical or comprehensive performance studies).
    • Sample sizes for test sets, data provenance, or details about training sets (as these are relevant to studies, especially those involving AI/ML or extensive clinical trials).
    • Numbers of experts, their qualifications, or adjudication methods for ground truth (again, these are related to studies, particularly those involving human interpretation or AI model validation).
    • MRMC studies, effect sizes for human readers, or standalone AI performance.
    • Types of ground truth established.

    The document focuses on demonstrating substantial equivalence to predicate devices through

    • Indications for Use,
    • Material changes (addition of TiN coating), and
    • Non-clinical testing of the coating properties (Chemical Composition, Thickness, Hardness, Adhesion Strength, Surface Roughness, and Wear Resistance).

    Therefore, I cannot fulfill your request based on the provided text, as the necessary information for describing acceptance criteria and a study proving device performance is not present.

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