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510(k) Data Aggregation

    K Number
    K081001
    Date Cleared
    2008-06-09

    (62 days)

    Product Code
    Regulation Number
    878.4840
    Reference & Predicate Devices
    N/A
    Why did this record match?
    Device Name :

    PD SYNTH, ABSORBABLE (POLY DIOXANONE) SUTURE

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

    PD SYNTH IS SYNTHETIC ABSORBABLE (MONOFILAMENT POLYDIOXANONE) SURGICAL SUTURE, STERILE AND FLEXIBLE STRAND, PREPARED FROM THE POLYMER, POLYDIOXANONE, (HOMO POLYMER OF DI OXANONE 100%) AND IS INDICATED FOR USE IN SOFT TISSUE APPROXIMATION, INCLUDING USE IN OPHTHALMIC SURGERY, BUT NOT FOR USE IN CARDIO VASCULAR AND NEUROLOGICAL TISSUES

    Device Description

    PD Synth is a synthetic absorbable surgical suture, (Monofilament Polydioxanone). PD Synth is a sterile flexible monofilament thread, composed of the polymer, Polydioxanone. The sutures are inert, non collageneous and non antigenic. PD Synth is dyed with D&C Violet #2 and being monofilament it is uncoated

    AI/ML Overview

    The document provided describes a 510(k) premarket notification for a new absorbable surgical suture, "PD SYNTH," by Sutures India Pvt. Ltd. The submission aims to demonstrate substantial equivalence to legally marketed predicate devices.

    Here's an analysis of the acceptance criteria and supporting study details based on the provided text:

    1. Table of Acceptance Criteria and Reported Device Performance

    Acceptance Criteria (Performance Requirements)Reported Device Performance (PD SYNTH)
    Physical/Material Characteristics:
    Absorbable (Polydioxanone) suture is synthetic, absorbable, monofilamentSame (comprised of Polydioxanone polymer)
    Sterile, flexible monofilament threadSame
    Inert, non-collagenous, non-antigenicSame
    Dyed with D&C Violet #2 and uncoated (being monofilament)Same
    Supplied for single use onlySame
    Sterilized by E.O. gas methodSame
    Packaged in same or equivalent manner, with equivalent labeling claimsSame
    Meets official monograph of USP 29 for extractable colorMeets USP 29 specifications
    Meets performance requirements defined in USP 29 for Tensile strength ()Meets USP 29 specifications
    Meets performance requirements defined in USP 29 for Needle attachment ()Meets USP 29 specifications
    Meets performance requirements defined in USP 29 for Length requirement (95% of length stated on label)Meets USP 29 specifications
    Meets performance requirements defined in USP 29 for SterilityMeets USP 29 specifications
    Biocompatibility:
    Biologically compatible when tested as per ISO-10993Biologically compatible (tested as per ISO-10993)
    Non-toxic when tested as per ISO-10993 for toxicityNon-toxic (tested as per ISO-10993)
    Clinical/Indications:
    Indicated for use in soft tissue approximationSame
    Indicated for use in ophthalmic proceduresSame
    Not for use in cardiovascular and neurological proceduresSame

    Note: The document explicitly states "Same" across numerous comparison parameters, indicating that "PD SYNTH" performance matches that of the predicate devices, which are assumed to meet the established acceptance criteria (e.g., USP standards).
    One point mentions "Finished suture material does not meet the performance requirements defined in the United States Pharmacopeia current edition U.S.P. 29 for Diameter". However, this is listed as "Same" for all three devices in the comparison table, suggesting it's either an accepted deviation for this type of suture or a characteristic shared by the predicates that doesn't preclude substantial equivalence.

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

    The document does not explicitly state the sample size used for the test set or the data provenance (country of origin, retrospective/prospective). The testing appears to be primarily laboratory-based to conform to USP standards and ISO-10993.

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

    Not applicable. This type of device (surgical suture) relies on objective physical, chemical, and biological testing against established standards (USP, ISO) rather than expert consensus on subjective interpretations. Ground truth is derived from these standardized tests.

    4. Adjudication Method for the Test Set

    Not applicable. The testing involves objective measurements against predefined specifications from USP and ISO standards. There is no mention of an adjudication process by human experts for the test results.

    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 submission is for an absorbable surgical suture, which is a physical medical device, not an AI-powered diagnostic or assistive technology. Therefore, an MRMC study related to AI assistance is irrelevant.

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

    Not applicable. As mentioned, this is a physical medical device, not an algorithm.

    7. The Type of Ground Truth Used

    The ground truth used for evaluating the "PD SYNTH" device is based on:

    • Established Industry Standards: United States Pharmacopeia (USP) 29 specifications for various suture properties (tensile strength, diameter, length, needle attachment, sterility, extractable color).
    • International Standards: ISO-10993 for biocompatibility and toxicity.
    • Regulatory Compliance: Conformance to Title 21 CFR § 74.3602 for colorant concentration.
    • Comparison to Predicate Devices: Demonstrating equivalence to existing legally marketed absorbable polydioxanone sutures (PDS II and Unicryl M) across numerous characteristics.

    8. The Sample Size for the Training Set

    Not applicable. This is not a machine learning or AI device where a 'training set' would be used. The manufacturing process of the suture does not involve such a concept.

    9. How the Ground Truth for the Training Set was Established

    Not applicable, for the same reason as point 8.

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