Intended Use

Bunkerhill AVC is a software device intended for use in detecting presence and estimating quantity of aortic valve calcification for adult patients aged 40 years and above, analyzing non-gated, non-contrast chest CT images and outputting region of interest and calcium quantification to assist physicians.

Technology

The device is software as a medical device (SaMD) that interfaces with commercially available CT systems to automatically detect, localize, and quantify aortic valve calcification in non-gated, non-contrast chest CT scans. It uses deep-learning algorithms to estimate an Agatston-equivalent score and provides visual circular ROI outputs for detected calcifications.

Performance

Performance was validated in a retrospective study comparing the device output against ground truth across 33 sites in the US, showing agreement within predefined acceptance criteria based on Bland-Altman analysis. The device achieved precision of 0.826 and recall of 0.855 for region of interest detection, demonstrating performance comparable to the predicate device.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    10/8/2024

    3 months
  • 2

    FDA Approval

    1/27/2025

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