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510(k) Data Aggregation

    K Number
    K974467
    Date Cleared
    1998-02-19

    (85 days)

    Product Code
    Regulation Number
    886.1850
    Reference & Predicate Devices
    N/A
    Why did this record match?
    Device Name :

    AESCULAP-MEDITEC SLIT LAMPS SL07 AND SL08

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

    The SL07 and SL08 laser slit lamps are intended for use in ophthalmology to deliver a thin, intense beam of light into the eye. Both include an adapter to deliver green laser light (532 nm) to the slit lamp by fiber optic. The user should refer to the User Manual provided with the laser for clinical use information for the laser or for additional information.

    Device Description

    The SL07 and SL08 slit lamps are commercially available slit lamps which have been modified by Aesculap-Meditec to accommodate an adapter through which green laser light, e.g., from the EyeLite™ Laser, is delivered to the slit lamps. The laser light (532 nm) can then be directed to selected sites within the eye by an ophthalmologist.

    AI/ML Overview

    This document describes the SL07 and SL08 Laser Slit Lamps, which are intended for use in ophthalmology to deliver a thin, intense beam of light into the eye. They also include an adapter for delivering green laser light (532 nm) via fiber optic.

    Here's the breakdown of the requested information:

    1. Table of Acceptance Criteria and Reported Device Performance

    This 510(k) submission is for substantial equivalence. Therefore, there are no specific performance acceptance criteria or reported device performance metrics in the typical sense (e.g., sensitivity, specificity). Instead, the device's performance is accepted based on its similarity to legally marketed predicate devices.

    The "Performance Data" section explicitly states:

    "The specifications and intended uses of the SL07 and SL08 laser slit lamps are the same or very similar to those of the claimed predicate devices and other legally marketed slit lamps (as devices or as accessories to ophthalmic lasers). There are no significant differences between the SL07 and SL08 devices and claimed predicates under conditions of intended use. Because of this, performance data were not required."

    The comparison table highlights key characteristics of the SL07 and SL08 in comparison to predicate devices, demonstrating their equivalence in design and function rather than quantitative performance.

    Device CharacteristicSL08 Slit LampSL07 Slit LampInfinitech Multi-Spot Adapter (Predicate)Acion Frequency Double YAG (FX-2) (Predicate)
    Device BaseZeiss SL 20 slit lamp modified to accommodate adapterHaag-Streit HS 900 BQ slit lamp modified to accommodate adapterRelies on slit lampCites Zeiss, Haag-Streit and similar slit lamps
    Indications (biomicroscope, slit lamp)See 21 CFR 886.1850 and medical practiceSee 21 CFR 886.1850 and medical practiceNo information (implied for ophthalmic use)Labeled for ophthalmic use; refers to several slit lamps
    Spot SizeRange: 50 um - 1000 um; Imaging: 50 um - 400 um focusing; >400 um - 1000 um defocusingRange: 50 um - 1000 um; Imaging: 50 um - 400 um focusing; >400 um - 1000 um defocusingRelies on slit lamp, multi-spot capable of creating 4 spotsRelies on slit lamps
    Laser Connection50 um fiber with SMA connector50 um fiber with SMA connector- (Implied)Has connector
    WavelengthFrequency doubled Nd:YAGFrequency doubled Nd:YAGArgon/Krypton and frequency doubled Nd:YAGFrequency doubled Nd:YAG
    Eye ProtectionFor wavelength; protection type L5 (DIN EN 207) at 532 umFor wavelength; protection type L5 (DIN EN 207) at 532 umNot specified; presumably for wavelengthNot specified; presumably for wavelength
    Tissue Effect of LaserPhotocoagulationPhotocoagulationPhotocoagulationPhotocoagulation
    Laser IntensitySelected by physicianSelected by physicianSelected by physicianSelected by physician

    2. Sample size used for the test set and the data provenance:

    • Not applicable. This submission relies on substantial equivalence to predicate devices, not on a new clinical performance study requiring a test set of data.

    3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g., radiologist with 10 years of experience):

    • Not applicable. No new ground truth for a test set was established. The basis for safety and effectiveness is the established usage and regulatory approval of predicate devices.

    4. Adjudication method (e.g. 2+1, 3+1, none) for the test set:

    • Not applicable. No test set was used.

    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. No MRMC study was conducted. This device is a modified slit lamp, not an AI-powered diagnostic tool.

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

    • Not applicable. This device is a physical instrument (slit lamp) with an adapter for laser delivery, which is inherently used with a human ophthalmologist. It does not involve a standalone algorithm.

    7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.):

    • The "ground truth" in this context is the established safety and effectiveness of the legally marketed predicate devices (Zeiss and Haag Streit Slit Lamps, Infinitech Multi-Spot Slit Lamp laser Adapter, Oculight SLx), as well as the general understanding of ophthalmic slit lamps as described in 21 CFR 886.1850 and ophthalmic lasers in 21 CFR 886.4390. The modifications made to the slit lamps (to accommodate the laser adapter) were deemed not to raise new questions of safety or effectiveness.

    8. The sample size for the training set:

    • Not applicable. No training set was used, as this is not an AI/machine learning device.

    9. How the ground truth for the training set was established:

    • Not applicable. No training set was used.
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