Intended Use

An over-the-counter AI-enabled decision support software system used in the evaluation of lung sounds in adults and pediatrics (2 years and older) that automatically analyzes acoustic lung signals recorded by the FDA-cleared Tyto Stethoscope to identify recordings suggestive of wheeze, requiring licensed healthcare professional interpretation.

Technology

Tyto Insights for Wheeze Detection is a web-based AI software system composed of an Application Server, an Algorithm Server that processes audio files with an AI-enabled algorithm for wheeze detection, and a Web Server that provides graphical results. The system analyzes lung sound recordings acquired by the FDA-cleared Tyto Stethoscope and hosted in the cloud via IP network communications.

Performance

Performance was evaluated using a retrospective validation dataset of 371 lung sound recordings from 359 patients recorded by the compatible Tyto Stethoscope, with ground truth established by three blinded pulmonologists. The device demonstrated non-inferiority to the predicate device TytoCare Lung Sounds Analyzer (K221614) with sensitivity 54%, specificity 98%, and a higher area under the ROC curve (AUC). Minor user interface changes did not impact safety or effectiveness.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    7/28/2023

    4 months
  • 2

    FDA Approval

    12/13/2023

Other devices from Tyto Care Ltd.

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