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510(k) Data Aggregation

    K Number
    K081788
    Date Cleared
    2008-12-17

    (176 days)

    Product Code
    Regulation Number
    880.2910
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    INFRARED EAR THERMOMETER, MODELS INNOTHERM ICT-100 AND ICT-200

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

    Infrared Ear Thermometer (InnoTherm ICT-100 and InnoTherm ICT-200) is intended for an electronic clinical thermometer using an infrared sensor to detect body temperature from the auditory canal in the neonatal, pediatric and adult population.

    Device Description

    Infrared Ear Thermometer offers easy, safe, accurate and fast temperature measurement in the ear. Temperature is more accurate core body temperature than other site of the body, since the eardrum shares blood vessels with the temperature control center in the brain (hypothalamus). Therefore, variations in body temperature are reflected sooner and more accurately in the ear than at the other sites on the body. Infrared Ear Thermometer is more convenient and safer than an oral thermometer, as it is unaffected by factors such as talking, eating, drinking and smoking.

    AI/ML Overview

    Here's a breakdown of the acceptance criteria and study information based on the provided text:

    1. Table of Acceptance Criteria and Reported Device Performance

    The document provided does not contain a specific table of acceptance criteria for performance metrics (e.g., accuracy against a standard thermometer). Instead, it primarily focuses on comparing features and functionality to a predicate device and states that "Test results support the conclusion that actual device performance satisfies the design intent."

    However, we can infer some key specifications and compare them to the predicate device, which implicitly serves as a benchmark for acceptability.

    FeatureAcceptance Criteria (Implied by Predicate - K011059)Reported Device Performance (InnoTherm ICT-100, ICT-200)
    Measurement Temp Range34.0 ~ 42.2 ℃ (93.2 ~ 108 °F)32.0 ~ 43.0 ℃ (89.6 ~ 109.4 °F)
    Ambient Range10 ~ 40 ℃ (50 ~ 104 °F)16.0 ~ 40.0 ℃ (93.2 ~ 108 °F)
    Storage Range-20 ~ 50 ℃ (-4 ~ 122 °F)-10 ~ 41 ℃ (14 ~ 105.8 °F)
    Display TypeLCDLCD
    ActivationScan buttonScan button
    Battery TypeCR2032 * 1 pcsCR2032 * 1 pcs
    Classificationthermometer, electronic, clinical (Class II), 21 CFR 880.2910thermometer, electronic, clinical (Class II), 21 CFR 880.2910
    Intended PopulationNeonatal, pediatric, and adult populationNeonatal, pediatric, and adult population
    Intended Use SettingAuditory canal, used in the home settingAuditory canal (no specific mention of home setting limitation)

    Note: The reported device performance generally meets or slightly expands upon the predicate's ranges for temperature measurements. The "Ambient range" and "Storage range" show variations, but the document doesn't explicitly state these as "acceptance criteria" against which the new device was measured; rather, they are presented as comparative specifications. The overall conclusion is "substantially equivalent," implying these differences are acceptable.

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

    The document states: "Testing was performed according to 'Harmonized Standard and ASTM'." It does not specify:

    • The exact sample size used for the test set.
    • The country of origin of the data.
    • Whether the study was retrospective or prospective.

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

    This information is not provided in the document. For a clinical thermometer, ground truth would typically be established by comparison to a highly accurate reference thermometer, not necessarily by human experts.

    4. Adjudication Method for the Test Set

    This information is not provided in the document. As mentioned above, for a clinical thermometer, adjudication by experts for ground truth is not typically applicable.

    5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done

    No, a Multi-Reader, Multi-Case (MRMC) comparative effectiveness study was not conducted or reported. This type of study is more common for diagnostic imaging devices where human interpretation plays a significant role. For a simple electronic thermometer, the objective is to measure temperature accurately, which is typically validated through direct comparison to a reference standard, not through reader studies.

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

    Yes, a standalone performance evaluation was done. The document focuses on the device itself and its ability to measure temperature. The testing performed "according to 'Harmonized Standard and ASTM'" would assess the device's accuracy and performance independently.

    7. The Type of Ground Truth Used

    The document implies that testing was done against "Harmonized Standard and ASTM," which would mean the device's measurements were compared against established reference standards (e.g., highly accurate standard thermometers or controlled temperature environments) as defined by those standards. It is not expert consensus, pathology, or outcomes data.

    8. The Sample Size for the Training Set

    This information is not applicable and therefore not provided. This device is an infrared ear thermometer, a hardware device that directly measures a physical property (temperature). It does not use algorithms that require a "training set" in the context of machine learning or AI.

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

    This information is not applicable as there is no "training set" for this type of device.

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