This website is intended for healthcare professionals in Canada. VNS Therapy™ for drug-resistant epilepsy is not available in all regions - please refer to your country-specific labeling.
MRI Safety
The latest VNS Therapy™ technology with expanded MRI access allows patients to obtain quality MRI scans
VNS Therapy™ systems are MR Conditional and safe in the MR environment as long as certain conditions are met.
Please review the available MRI Resources
Complete MRI Safety Information
For full MRI and VNS Therapy safety information, please review the MRI with VNS Therapy manual.
MRI Guidelines
Guidelines for safe use of VNS Therapy in the MR environment.
Patient MRI Form
To ensure effective communication with the MRI center, download and complete the form. Send with the patient to their MRI appointment.
Questions about VNS Therapy and MRI
Please review the frequently asked questions about VNS Therapy and MRI safety.
Determine MRI scan conditions for your patient
To ensure the safe application of an MRI scan for patients with VNS Therapy*, answer the questions below.
*Applies to completely intact and functioning implant. For special cases (potential lead breaks, partially explanted systems, remaining lead segments with intact system), please refer to the MRI Instructions for Use.
What is the model of the generator implanted in the patient?One of these devices:
Updated April 2021