Appendix C: Summary Of Radiology Scan Conditions; Boston Scientific Dbs Systems Summary Of Radiology Scan Conditions - Boston Scientific ImageReady MRI Mode D'emploi

Appendix C: Summary of Radiology Scan Conditions

Boston Scientific DBS Systems Summary of Radiology Scan Conditions

Caution:
Read this manual in its entirety before performing a MRI scan on a patient implanted with any component of the Boston Scientific
DBS System. Ensure that the implanted system meets the implant conditions listed in this manual before performing a scan.
MRI Safety Information
• Static magnetic field of 1.5 T
• Maximum spatial field gradient of 4,000 gauss/cm (40 T/m)
• Maximum gradient slew rate per axis of less than or equal to 200 T/m/s
• Cumulative active scan time (with RF On) should be limited to 30 minutes or less per imaging session. If 30 minutes of active scan time
is reached, allow 60 minutes of non‑active time before proceeding.
• If B1+rms is not available, the maximum MR system reported head or whole body averaged specific absorption rate (SAR) should be
utilized
RF Exposure Limits
System
System Type
Components
Fully Implanted
All Leads or Externalized
Leads‑Only
Vercise Genus
System
(Stimulator Model
Full System
Numbers:
DB‑1408, DB‑1416,
DB‑1432, DB‑1216,
and DB‑1232)
Full System
DB‑2201 or DB‑2202
Lead(s)
Vercise Gevia System
Full System
(Stimulator Model
Number:
DB‑2201 Lead(s)
DB‑1200)
Full System
DB‑2202 Lead(s)
Additional Information
• MRI Mode must be enabled on the device prior to performing a scan.
• Rechargeable Stimulators must be fully charged prior to the MRI scan.
• Patient must be positioned in supine or prone position during the scan.
• If possible, patient should be in a psychological condition and mental state to be able to provide immediate feedback of any problems
during the examination.
Isocenter
Head
Head
At or Above C2
C3 through T10
T11 through Femur
Lower Extremities
(knee and below)
Lower Extremities
(knee and below)
with
Head
Above T5
with
At or Below T5
Above T12
with
At or Below T12
ImageReady™ MRI Guidelines for Boston Scientific Deep Brain Stimulation Systems
Appendix C: Summary of Radiology Scan Conditions
Transmit Coil Type B1+rms
Head or Body Coil ≤ 2.0 μT
Head Coil ≤ 2.0 μT
≤ 1.6 μT
≤ 2.0 μT
Body Coil
≤ 3.2 μT
Normal Mode
Lower Extremity Coil Normal Mode
Head Coil ≤ 2.0 μT
≤ 1.8 μT
≤ 2.0 μT
Body Coil
≤ 1.2 μT
≤ 2.0 μT
SAR (if B1+rms is
not available)
≤ 0.1 W/kg
≤ 0.2 W/kg
≤ 0.2 W/kg
≤ 0.2 W/kg
≤ 1.7 W/kg
Normal Mode
Normal Mode
≤ 0.1 W/kg
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