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510(k) Data Aggregation

    K Number
    K992538
    Date Cleared
    1999-11-23

    (116 days)

    Product Code
    Regulation Number
    872.3640
    Panel
    Dental
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    AMORPHOUS DIAMOND COATED SCREW

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

    The Amorphous Diamond Coated Screw is used to retain prosthetic components to dental implants or to other prosthetic components. The amorphous diamond coating will add a greater pre-load to the screw, which in turn help prevent the screw and prosthetic components from loosening.

    Device Description

    Device Function: The Amorphous Diamond Coated Screw is designed to fasten prosthetic components to implants and/or other prosthetic components. The attachment is secured by applying torque to the screw.
    Scientific Concepts: Screws used to fasten prosthetic components can some times loosen. The greater the preload that is applied, the less chance there is that the screw will eventually become loose. Titanium screws with an amorphous diamond coating applied to the working length of the screw underneath the head, can be preloaded to a much greater torque than uncoated screws and thus are less likely to loosen.
    Characteristics: The Amorphous Diamond Coated Screw is constructed of titanium alloy with an amorphous diamond coating applied to the working length of the screw underneath the head.

    AI/ML Overview

    The provided text is a 510(k) summary for a medical device called the "Amorphous Diamond Coated Screw." This type of document is for regulatory clearance and focuses on demonstrating substantial equivalence to a predicate device, not on proving new clinical effectiveness or algorithm performance.

    Therefore, the information you've requested (acceptance criteria, details of a study proving device adherence to criteria, ground truth, expert qualifications, sample sizes, MRMC studies, standalone performance, etc.) is not present in this 510(k) summary.

    Here's why and what information is available:

    • Type of Device: The device is a "Prosthetic Attachment Screw" for dental implants. This is a physical medical device, not a diagnostic or AI-driven software device.
    • Regulatory Pathway: A 510(k) submission demonstrates "substantial equivalence" to a legally marketed predicate device. This typically involves comparing materials, design, intended use, and performance data (often mechanical and biological testing for physical devices) to show that the new device is as safe and effective as the predicate. It does not generally involve clinical trials as would be expected for a novel therapeutic or diagnostic.
    • Focus of the Document: The document focuses on:
      • Identifying the manufacturer and device.
      • Stating the predicate device and claiming substantial equivalence.
      • Describing the device and its intended use.
      • Comparing the Amorphous Diamond Coated Screw to the predicate device (Steri-Oss Tiodized Screw) on characteristics like material, surfactant, geometry, screw design, intended use, packaging, and sterility.
      • Stating that "Biological and mechanical test data were performed to support the indications for use," but it does not provide details of these tests, specific acceptance criteria, or the results.

    Based on the provided text, I cannot complete your request because the necessary information is not included in this 510(k) summary. This document is for a physical dental implant component, not an AI/software device that would typically have the kind of performance studies you are asking about (like MRMC, standalone algorithm performance, expert ground truth adjudication).

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