Method and apparatus for the high frequency coagulation of protein for surgical purposes
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United States of America Patent
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-
Oct 2, 1984
Grant Date -
N/A
app pub date -
May 13, 1982
filing date -
May 20, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the arrangement according to the invention for the high frequency coagulation of protein, in particular for surgical purposes, the protein impedance is continuously determined during application of high frequency power and the differential quotient for the impedance curve is formed according to time. The values of the differential quotient serve on the one hand for adjusting the initial power and on the other hand for establishing the optimal time for switching off the high frequency power. For both situations, provision is made for presettings making the arrangement according to the invention flexible and simple to adapt. The arrangement is preferably intended for bipolar coagulation instruments but use with unipolar instruments is also possible.
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