Medical high frequency coagulation cutting instrument
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United States of America Patent
Stats
-
Dec 7, 1993
Grant Date -
N/A
app pub date -
Oct 13, 1992
filing date -
Nov 19, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medical coagulation-cutting instrument has an instrument shaft (11) withwo stationary coagulation electrodes (12, 13) and a movable cutting electrode (14). An actuating head (19) is arranged at the distal end of the instrument shaft (11). The radio frequency feedlines for the two coagulation electrodes (12, 13) are conductive tubes (15, 16) arranged concentric to one another and to the instrument shaft within which the high frequency feedline for the cutting electrode (14) is arranged in an insulated manner as an axially directed conductive bar (17) which is axially movable by the actuating head (19).
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