Microwave coagulating scalpel
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United States of America Patent
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-
Aug 13, 1985
Grant Date -
N/A
app pub date -
Apr 8, 1983
filing date -
Apr 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A microwave coagulating scalpel which simultaneously severs and coagulates highly vascular tissue is disclosed. The scalpel blade forms both a cutting edge and a microwave radiator loop, with the diameter of the loop related to the wave length of the microwave frequency, when the microwave energy is propogated in highly vascular tissue. A range of 100 MH.sub.z to 13,000 MH.sub.z is disclosed with preferential frequencies at 915 MH.sub.z, 2450 MH.sub.z and 5800 MH.sub.z. A bolometer and threshold switch to de-energize the microwave source when the blade is removed from the highly vascular tissues also is disclosed.
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