Intended Use

The Deep Learning Image Reconstruction software is intended for head, whole body, cardiac, and vascular CT scans.

Technology

The software uses a dedicated deep neural network (DNN) trained specifically on CT data to model noise propagation and characteristics for noise reduction and artifact suppression. It integrates into the CT scanner's raw data image reconstruction pipeline and supports user-selectable reconstruction strength (Low, Medium, High). The technology is consistent with the predicate device and operates on GE's Edison platform.

Performance

Software underwent extensive design control and quality assurance testing including code review, software integration, safety testing, image performance verification, and simulating use validation. Bench testing compared low contrast detectability, noise, spatial resolution, streak artifact suppression, and other image quality metrics versus predicate devices using identical raw CT datasets. No new safety issues were identified.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    3/23/2023

    28 days
  • 2

    FDA Approval

    4/20/2023

Other devices from GE Healthcare Japan Corporation

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