Radio frequency surgical tool and method
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United States of America Patent
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May 28, 1991
Issued Date -
N/A
app pub date -
Dec 7, 1989
filing date -
Sep 12, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical tool and method of surgical treatment involving a radio frequency source (e.g., 13.0 to 28.0 MHz) creating an electromagnetic field in the vicinity of tissue to be surgically treated and a grounded, tuned, electromagnetic field focusing probe that focuses the electromagnetic field energy at the tip of the probe, thus instantaneously vaporizing, cutting and cauterizing the tissue in contact with the probe tip. Such a surgical tool is capable of creating a virtually bloodless, micro-thin incision as well as selectively coagulating body fluids (e.g., blood) and as such, is particularly useful in neuro, oncological and vascular surgery.
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