Contact area measurement apparatus for use in electrosurgery
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United States of America Patent
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Apr 29, 1980
Grant Date -
N/A
app pub date -
Nov 17, 1977
filing date -
Nov 17, 1977
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Expired
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Abstract
Patient contact area measurement method and apparatus including a first electroconductive contact element adapted for contact with the patient; a second electroconductive contact element separated from the first contact element and also adapted for contact with the patient; and measuring circuitry disposed between the first and second electroconductive contact elements for measuring the area of contact of the patient with respect to the contact elements. The electroconductive contact elements may comprise (a) each electrode of a split electrosurgical patient electrode, (b) the active and patient electrodes employed in electrosurgery or (c) a cryosurgical probe together with a monitor electrode adapted for contact with the patient.
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