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Precision™ Spinal Cord Stimulator System 1.5 Tesla MRI Guidelines
2. Allow at least six weeks from the date of
Precision™ SCS System implantation to
the time of the MRI examination.
3. Inform the patient of the risks of
undergoing an MRI examination as stated
in this document including implanted
component movement and/or excessive
heating, and that the metallic components
of the neurostimulation systems can affect
the MRI image, potentially impacting the
diagnostic use of this modality.
4. The patient should be in a psychological
condition and mental state where the
patient is able to provide immediate
feedback of any problems during the
examination.
5. Instruct the patient to immediately
inform the MRI system operator if any
discomfort, stimulation, shocking, or
heating occurs during the examination.
6. Carefully monitor the patient throughout
the MRI examination using audio and
visual techniques.
7. The radiologist or an MRI physicist must
verify that all proposed MRI examination
parameters comply with the "MRI
exposure requirements" listed above. If
not, the parameters must be modified to
meet these requirements. If parameters
cannot be modified, do NOT perform the
MRI examination.
8. If the patient has implanted leads but
does not have an IPG, do NOT perform
an MRI examination.
9. If the patient has an implanted
neurostimulator, perform the following
steps:
Precision™ Spinal Cord Stimulator System 1.5 Tesla MRI Guidelines
90719336-04 Rev B 6 of 155
a. Review the neurostimulator
stimulation parameters with a
clinician programmer and print out a
copy of the programmed stimulation
parameters for reference.
b. Ensure that no Precision SCS external
components (i.e. Remote Control, or
Charger) enters within the designated
boundary of the MRI system.
10. The Precision SCS System must be
programmed to stimulation OFF before
allowing the patient within the designated
safety boundary of the MRI system.
During the MRI examination
• Continuously monitor the patient both
visually and audibly. Check the patient
during and between each imaging
sequence. Discontinue the MRI
examination immediately if the patient is
unable to respond to questions or reports
any problems.
• Conduct the MRI examination using only
the pulse sequences and conditions
that the MRI-trained radiologist or MRI
physicist has confirmed meets the "MRI
exposure requirements" outlined in this
document.
Post-MRI examination review
• Verify that the patient feels normal.
• Verify that the neurostimulator is
functional.
• Reprogram the neurostimulator to pre-
MRI settings.
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