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510(k) Data Aggregation

    K Number
    K120870
    Date Cleared
    2012-06-15

    (85 days)

    Product Code
    Regulation Number
    878.4810
    Reference & Predicate Devices
    Predicate For
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Model Number 0010-2400 is a fiber optic delivery device intended for use with the GreenLight™ XPS Laser System for its FDA cleared indications for use.

    Device Description

    Model Number 0010-2400 is supplied as a single-use, sterile product and is compatible with the GreenLight™ XPS Laser System. It can access the tissue in multiple planes. Model Number 0010-2400 is a liguid cooled delivery device which enables the delivery of up to 180W of power and aids in maintaining a clear environment at the fiber cap.

    AI/ML Overview

    The provided document describes a 510(k) premarket notification for a medical device, the American Medical Systems Model Number 0010-2400 GreenLight MoXy™ Fiber Optic. This is a special 510(k) submission, indicating a modification to an already cleared device, the Fiber One (K100746). The submission focuses on demonstrating substantial equivalence to the predicate device, rather than a de novo approval.

    As such, the document does not contain information related to a clinical study with acceptance criteria, reported device performance, sample sizes, ground truth establishment, or expert involvement in the way one would expect for a new or significantly modified device requiring such studies. The assessment here is based on non-clinical (bench) testing and comparison of technological characteristics to the predicate device.

    Here's a breakdown of the requested information based on the provided document:


    1. Table of Acceptance Criteria and Reported Device Performance

    The document does not explicitly state "acceptance criteria" in the traditional sense of a clinical trial. Instead, the "acceptance criteria" for this Special 510(k) are implied by demonstrating that the modified device (Model 0010-2400) maintains substantial equivalence to the predicate device (Fiber One) through non-clinical testing and comparison of specifications.

    Characteristic / "Acceptance Criteria" MetricPredicate Device (Fiber One) PerformanceModified Device (Model 0010-2400) Performance
    K NumberK100746K120870 (reference number for this submission)
    Regulation Number21 CFR§878.481021 CFR§878.4810
    Regulation NameLaser surgical instrument for use in general and plastic surgery and in dermatologyLaser surgical instrument for use in general and plastic surgery and in dermatology
    ClassificationClass IIClass II
    Product CodeGEXGEX
    Laser System CompatibilityGreenLight XPS Laser SystemGreenLight XPS Laser System
    Endoscope/Cystoscope Compatibility22 to 24 Fr continuous flow22 to 24 Fr continuous flow
    Saline flow≥0.3mL/sec≥0.3mL/sec
    Fiber and Cap Assembly Outer Diameter<2.3 mm<2.3 mm
    Total Length305cm305cm
    Operation Length36cm36cm
    Fiber Core Size750μm750μm
    Internal Fiber CoolingYesYes
    Max. Laser Power180W180W
    Energy Limit400kJ650kJ
    Beam Area at 2 mm0.48mm²0.48mm²
    Power Density at 2 mm (180W)326W/mm²326W/mm²
    Power Density at 2 mm (120W)218W/mm²218W/mm²
    Materials304 stainless steel, polyamide, silica glass304 stainless steel, polyamide, silica glass
    SterilizationEthylene OxideEthylene Oxide
    Dating (Shelf Life)2 years, accelerated2 years, accelerated
    Storage Conditions4 to 40 °C, keep dry4 to 40 °C, keep dry
    Metal CapInitial designMinor tolerance refinements to increase process capability
    Labeling, IFUReleased at Rev BClarifications to instructions, use and improved caution statements, 2 additional languages added
    ETO Residue (EO)Max reported: 2.57 mg/device (for predicate)Max reported: 2.57 mg/device (for predicate)
    ETO Residue (ECH)Max reported: 1.47 mg/device (for predicate)Max reported: 1.47 mg/device (for predicate)
    ISO 10993-7:2008 EO Limit<4 mg/device (implicit acceptance)<4 mg/device (met by modified device)
    ISO 10993-7:2008 ECH Limit<9 mg/device (implicit acceptance)<9 mg/device (met by modified device)

    Note: The increase in "Energy Limit" from 400kJ to 650kJ is a modification presented, but the document does not elaborate on specific testing or acceptance criteria related to this increase beyond general bench testing for substantial equivalence. The "Metal Cap" and "Labeling, IFU" changes are noted as post-510k changes that didn't trigger a new 510k.


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

    The document states, "All necessary bench testing was conducted on the Model Number 0010-2400 to support a determination of substantial equivalence to the predicate device."
    Regarding sterilization residue testing, a table is provided for the predicate device (Fiber One), showing 9 samples tested over 3 days (Day 1, 2, 3 with A, B, C runs each day).

    • Sample Size for Sterilization Residue (Predicate): 9 units (tested over 3 days for EO and ECH)
    • Data Provenance: The sterilization residue data is explicitly stated to be "extracted from the original 510k for Fiber One (MoXy) K100746, Appendix 3: Sterilization, page 12 of 15, Table 6." This indicates the data is retrospective for the predicate device. For the modified device, it states, "Model 0010-2400 is the same as Fiber One device and uses the same sterilization cycle and meets the ISO 10993-7:2008 recommendations..." implying the pre-existing data and methodology were deemed sufficient.
    • Country of origin of data: Not specified, but given the submitter's address (San Jose, CA, U.S.A.) and the FDA context, it's highly likely to be US-based or to US standards.

    No other specific "test set" sample sizes are provided for other non-clinical tests.


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

    This section is Not Applicable to the provided document. The submission relies on non-clinical bench testing and comparison to technical specifications, not a clinical study involving experts establishing ground truth for a test set.


    4. Adjudication Method for the Test Set

    This section is Not Applicable. There was no clinical test set requiring adjudication in the context of this 510(k) submission.


    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

    This section is Not Applicable. The device is a surgical fiber optic (hardware), not an AI diagnostic or assistance tool. Therefore, no MRMC study or AI-related effectiveness analysis was performed.


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

    This section is Not Applicable. The device is a surgical fiber optic, not an algorithm.


    7. The Type of Ground Truth Used

    For the sterilization residue testing, the "ground truth" or reference criteria used were the ISO 10993-7:2008 recommendations for limited exposure values for Ethylene Oxide (EO) and Ethylene Chlorohydrin (ECH).

    • EO Limit: <4 mg/device
    • ECH Limit: <9 mg/device

    For other characteristics, the "ground truth" is adherence to the technical specifications of the predicate device or, where modifications occurred (e.g., energy limit, metal cap design), that these changes do not raise new questions of safety or effectiveness and maintain compatibility/functionality. This is essentially a technical specification and regulatory standard adherence "ground truth."


    8. The Sample Size for the Training Set

    This section is Not Applicable. This is a hardware medical device submission, not an AI/machine learning model, so there is no concept of a "training set."


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

    This section is Not Applicable. As there is no training set, there is no ground truth establishment for one.

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