Intended Use

The syngo.CT Lung CAD device is a Computer-Aided Detection (CAD) tool designed to assist radiologists in the detection of solid pulmonary nodules during review of multi-detector computed tomography (MDCT) examinations of the chest. The software is an adjunctive tool to alert the radiologist to regions of interest that may have been initially overlooked. It is intended to be used as a second reader after the radiologist has completed the initial read.

Technology

The device uses deep learning technology based on convolutional neural networks (CNNs) for preprocessing and candidate generation, feature calculation, and classification of pulmonary nodules. It processes images acquired with Siemens multi-detector CT scanners, applying advanced AI algorithms to improve detection accuracy and reduce false positives. Candidate lung segmentation is performed using a CNN-based V-net, and classification is done via a softmax function assigning probabilities for nodules vs. false positives.

Performance

The device underwent comprehensive non-clinical verification and validation testing, including unit, integration, system tests, and system validation, showing that the standalone detection sensitivity is superior to the predicate device and the false positive rate is reduced. Results demonstrated safety, effectiveness, and substantial equivalence with improved accuracy over the previous technology.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    11/21/2019

    3 months
  • 2

    FDA Approval

    3/9/2020

Other devices from Siemens Medical Solutions, Inc

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