Referenced Items are not available for this document.
The temperature rise in the vicinity of a medical implant due to the RF field in Magnetic Resonance Imaging (MRI) was evaluated. For the calculations, the implant was taken to be a conducting cylinder resembling the geometry of a commercial infusion pump. Measurements of temperature rise were made with the pump in a phantom in a clinical imager. The RF protocol was 20-minutes long and produced a specific absorption rate (SAR) of 0.95 W/kg in the 34-kg phantom. In the measurements, the maximal temperature rise near the implant (0.66°C) was about 3 times the control rise (0.23°C) with no implant. The calculations are consistent with experiment
Published in:
Magnetics, IEEE Transactions on
(Volume:35
,
Issue:
5
)
Date of Publication: Sep 1999
- Page(s):
- 4133 - 4135
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 6418933
- Digital Object Identifier :
- 10.1109/20.800779
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Sep 1999
- Sponsored by :
- IEEE Magnetics Society
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