Intended Use

Critical Care Suite is a computer aided triage and notification device that analyzes frontal chest x-ray images for the presence of prespecified critical findings (pneumothorax). Identifies images with critical findings to enable case prioritization or triage in the PACS/workstation. Intended for notification only and does not provide diagnostic information beyond the notification. Indicated for adult-size patients.

Technology

Critical Care Suite employs AI-based image analysis algorithms including a Quality Care Suite for input validation and a PTX Classifier to detect pneumothorax on frontal chest X-rays. It integrates with Digital Projection Radiographic Systems and PACS, runs on multiple platforms (on premise or cloud), and produces passive notifications for prioritization without affecting image acquisition or transfer times.

Performance

Performance testing showed ROC AUC of 0.96 for pneumothorax detection with high sensitivity (84.3%) and specificity (93.5%). Clinical evaluation on 804 chest X-rays demonstrated consistent performance across views, manufacturers, and data sources. The software does not delay image acquisition or transfer and enables immediate prioritization in PACS. Non-clinical and clinical tests confirmed safety, reliability, and workflow integration.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    11/19/2018

    8 months
  • 2

    FDA Approval

    8/12/2019

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