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510(k) Data Aggregation

    K Number
    K971032
    Manufacturer
    Date Cleared
    1997-06-17

    (88 days)

    Product Code
    Regulation Number
    874.3300
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    DANAVOX MODELS 163/162 BTE

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

    The indication for use of the air conduction hearing aids in this submission is to amplify sound for individuals with impaired hearing.

    Device Description

    The indication for use of the air conduction hearing aids in this submission is to amplify sound for individuals with impaired hearing.

    AI/ML Overview

    The provided text is a 510(k) Pre-market Notification for the Danavox 163 / 162 BTE hearing aids. This type of submission focuses on demonstrating "substantial equivalence" to a predicate device, rather than proving safety and effectiveness through a clinical trial with specific performance criteria.

    Therefore, the document does not contain the information requested for acceptance criteria and a study proving the device meets those criteria in the same way a de novo or PMA submission would.

    Here's why and what information can be gleaned:

    • Substantial Equivalence: The primary goal of a 510(k) is to show that a new device is as safe and effective as a legally marketed predicate device. This is achieved by demonstrating that the new device has the same intended use and similar technological characteristics, or, if there are differences, that those differences do not raise new questions of safety or effectiveness.
    • Performance Specifications: The document states that "The intended use, performance specifications, functions and operations of the Danavox 163 / 162 BTE are essentially identical to that described in the 510(k) Premarket Notification for the Danavox Aura." This implies the Danavox Aura's performance specifications serve as the de facto acceptance criteria. However, those specific criteria are not detailed in this document.

    Information NOT present in the document:

    • A table of acceptance criteria and reported device performance (for the 163/162 BTE specifically).
    • Sample size for a test set or data provenance.
    • Number of experts, their qualifications, or adjudication methods for ground truth.
    • Multi-reader multi-case (MRMC) comparative effectiveness study.
    • Standalone algorithm performance (as this is a hardware device, not an AI/algorithm).
    • Type of ground truth used (as there's no clinical study described).
    • Sample size for a training set (as there's no machine learning/AI component).
    • How ground truth for a training set was established.

    Information that can be inferred or extracted (but not in the format requested):

    While there are no explicit acceptance criteria or a study detailed in the document, the basis for market clearance is "substantial equivalence." The predicate device's performance specifications are implicitly the target.

    Intended Use/Performance Description (from the document):

    Feature/SpecificationDanavox 163 / 162 BTEPredicate Device (Danavox Aura)Equivalence Claim
    Intended UseCompensates for hearing losses from mild to severe by amplifying sound pressure waves and transmitting the signal to the external ear through air.SameEssentially identical
    Device TypeAir-conduction behind-the-ear hearing instrument with body-worn processor.SameSame
    Power SourceModel 163: type 13 battery. Model 162: type 312 battery.Not specified, but standard hearing aid batteries expected.Standard hearing aid batteries
    ManufacturingManufactured and delivered completely assembled using widely used materials and techniques.SameWidely used techniques
    Fitting ParametersAbility to program digitally.SameSame
    Sound ProcessingAbility to change characteristics and adjust volume.SameSame
    Memory ProgramsRetains up to three programs.Retains four programs.Difference noted, but implies it does not raise new questions of safety/effectiveness as 3 programs is still a functional equivalent for basic use.

    Summary of "Acceptance Criteria" and "Study" based on a 510(k) Submission:

    Since this is a 510(k) submission, the "acceptance criteria" are implicitly met by demonstrating "substantial equivalence" to the predicate device, the Danavox Aura (K905692). The "study" proving this is effectively the comparison provided in the summary of safety and effectiveness, which highlights similarities in intended use, technological characteristics, and performance.

    1. Table of Acceptance Criteria and Reported Device Performance: Such a table is not provided. The document states the performance specifications, functions, and operations are "essentially identical" to the predicate device. The only noted difference is memory capacity (3 programs vs. 4 for the predicate), which was deemed acceptable.
    2. Sample Size and Data Provenance: Not applicable, as this is a comparison to a predicate device, not a new clinical study.
    3. Number of Experts and Qualifications: Not applicable.
    4. Adjudication Method: Not applicable.
    5. MRMC Comparative Effectiveness Study: Not applicable (not an AI device).
    6. Standalone Performance: The "standalone" performance is understood to be the inherent functionality of the hearing aid, which is asserted to be "essentially identical" to the predicate device. No new standalone performance study is detailed.
    7. Type of Ground Truth: Not applicable. The "ground truth" for a 510(k) is the established safety and effectiveness of the legally marketed predicate device.
    8. Sample Size for Training Set: Not applicable (not an AI device).
    9. How Ground Truth for Training Set Was Established: Not applicable (not an AI device).
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