Intended Use

Philips Magnetic Resonance (MR) systems are Medical Electrical Systems indicated for use as a diagnostic device. This MR system enables trained physicians to obtain cross-sectional images, spectroscopic images and/or spectra of the internal structure of the head, body or extremities, in any orientation, representing the spatial distribution of protons or other nuclei with spin.

Technology

The device uses 1.5T and 3.0T magnetic fields to produce MR images based on relaxation signals from atomic nuclei; key components include magnet, transmit body coil, gradient coil, and RF amplifier. It incorporates software enhancements such as SmartSpeed AI combining compressed sensing with machine learning to accelerate image acquisition with equivalent or better image quality. Hardware enhancements include introduction of a GPU for image reconstruction.

Performance

Performance was validated via non-clinical verification and validation tests including pixel-wise comparisons with ground truth data demonstrating SmartSpeed AI's superior image quality at high accelerations and low SNR. Radiologist reader studies confirmed equivalent or better image quality versus longer scan times without AI. Risk management showed acceptable residual risk.

Predicate Devices

No predicate devices specified

Device Timeline

  • 1

    Submission

    11/12/2021

    6 months
  • 2

    FDA Approval

    5/16/2022

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