Heat Transfer Analysis of a Radio-Frequency Brain Probe.
NAVAL POSTGRADUATE SCHOOL MONTEREY CALIF
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The analysis is concerned with the use of radio-frequency rf current in producing lesions in the brain. The technique consists of passing the current between an active electrode implanted in the brain and an indifferent electrode located in the skull. The resistivity of the tissue causes electrical energy to be converted into heat thus raising the tissue temperature. A problem that is sometimes encountered is uncontrollable boiling of the tissue near the probe tip. A theoretical model which considers the combined effects of conduction, blood flow, metabolism, and rf heating is presented to show the relative effects of each of the terms on the temperature field. Author
- Medicine and Medical Research
- Medical Facilities, Equipment and Supplies