Intended Use

Limbus Contour is a software-only medical device intended for use by trained radiation oncologists, dosimetrists and physicists to derive optimal contours for input to radiation treatment planning. Supported image modalities are Computed Tomography and Magnetic Resonance.

Technology

Limbus Contour is a stand-alone software application that automatically contours normal tissues on CT and MR DICOM images using pre-trained, expert-curated machine learning models with post-processing. It imports DICOM image files and exports segmented RT-Structure Set files for external use in radiation treatment planning systems. It does not display images but relies on existing systems for visualization and modification.

Performance

Performance testing included manual and automated verification and validation tests, validating automatic contouring function. All tests passed and demonstrated that the software meets user needs and intended uses, supporting substantial equivalence to a predicate device. No clinical testing was required as bench testing was sufficient.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    5/7/2020

    3 months
  • 2

    FDA Approval

    8/13/2020

Other devices from Limbus AI Inc.

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