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MRI with DBS for Clinicians

MRI Safety and Activa Technology

Learn how the technology of MR Conditional Medtronic Activa® systems protects the patient and device from harm during an MRI scan.

Potential Risks of MRI Unsafe Devices

An MRI scan uses three fields that, alone or in combination, may damage an implanted medical device and harm the patient. For example:

  • The static magnetic field generated by the superconducting magnet may pull or rotate an implanted medical device.
  • The radiofrequency magnetic field may heat tissue or damage the device.
  • The gradient magnetic field may cause unintended stimulation or damage an implanted device.

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Medtronic MRI Testing

Medtronic developed proprietary test and measurement systems, in conjunction with advanced electromagnetic modeling tools. Existing Activa DBS systems were rigorously tested and evaluated across millions of simulated patient scans spanning over 38,800 different implant conditions to demonstrate patient safety.

* Refer to MRI Guidelines for Medtronic Deep Brain Stimulation Systems

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