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510(k) Data Aggregation

    K Number
    K963079
    Manufacturer
    Date Cleared
    1997-03-03

    (208 days)

    Product Code
    Regulation Number
    886.1930
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    CANON TX-10 TONOMETER

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

    The TX-10 tonometer is intended to be used for the measurement of intraocular pressure of the human eye.

    Device Description

    The TX-10 is a tonometer designed using a non-contact measurement system. A ir puff gently measures the intraocular pressure with the help of an autoalignment system. Features quick and easy measurement that does not require any special skills.

    AI/ML Overview

    The provided text describes the Canon TX-10 Tonometer and its comparison to the Canon T-2 Tonometer and proposed ISO Specifications.

    Here's the information extracted and organized according to your request:

    1. Table of Acceptance Criteria and Reported Device Performance

    MetricAcceptance Criteria (ISO Specifications)TX-10 Performance
    Regression Slope0.95 to 1.050.996
    Regression Y-intercept-1.0 to +1.0 mmHg0.462 mmHg
    Standard Deviation of Difference (Sd)2.5 mmHg1.56 mmHg
    Coefficient of CorrelationUnspecified0.926

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

    The document does not specify the sample size used for the test set or the data provenance (country of origin, retrospective/prospective). It only presents summarized performance data.

    3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts

    This information is not provided in the document.

    4. Adjudication method for the test set

    This information is not provided in the document.

    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 is not an AI-assisted device. The document describes a tonometer, which is a medical device for measuring intraocular pressure. Therefore, an MRMC study comparing human readers with and without AI assistance is not applicable to this device and no such study was mentioned.

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

    The device itself, the TX-10 Tonometer, is a standalone device that performs measurements without human intervention in the measurement process (it has an "auto-alignment system" and "non-contact measurement system"). The performance data presented is for the device's accuracy in measuring intraocular pressure.

    7. The type of ground truth used

    The document implicitly uses a "reference standard" or "gold standard" for intraocular pressure measurement against which the TX-10 and T-2 tonometers were compared, as indicated by the regression analysis (slope, y-intercept) and standard deviation of difference. However, the specific method for establishing this ground truth (e.g., applanation tonometry performed by experts, a different type of tonometer, etc.) is not explicitly stated.

    8. The sample size for the training set

    This information is not applicable as the product described is a physical medical device (tonometer) and not an AI/algorithm-based system requiring a training set in the conventional sense.

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

    This information is not applicable for the reasons stated in point 8.

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