Intended Use

The SpotLight Computed Tomography X-ray system is intended for head, body, cardiac and vascular X-ray computed tomography applications. The Low Dose CT Lung Cancer Screening Option is indicated for using low dose CT for lung cancer screening following established program criteria and protocols.

Technology

The device uses fast scintillator array detector technology, dual X-ray tubes, modified FDK cone beam reconstruction algorithms adapted for dual tubes geometry, and includes adaptive filters for noise reduction. The Low Dose Lung Cancer Screening option introduces specific low-dose scan protocols compliant with AAPM guidelines without requiring hardware changes. The device does not support DLIR or ASIR-CV algorithms under the low dose screening option.

Performance

Extensive bench testing demonstrated that image quality metrics such as CT number accuracy and uniformity, noise power spectrum, resolution, contrast to noise ratio, and nodule detectability were substantially equivalent to predicate devices. Clinical testing by board-certified radiologists confirmed diagnostic image quality for medium and large patient sizes relevant for lung cancer screening without raising safety or effectiveness concerns.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    4/30/2024

    8 months
  • 2

    FDA Approval

    1/13/2025

Other devices from Arineta Ltd.

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