High frequency surgical instrument
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 26, 1999
Grant Date -
N/A
app pub date -
Jul 14, 1998
filing date -
Jul 16, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a high frequency surgical instrument comprising a handling part (11) which has a guide channel (12) which is open at at least one end and a holding element (13) which is axially displaceably guided therein and on which a high frequency voltage acts. The holding element (13) is axially displaceable by means of an actuating part (14) axially displaceable relative to the handling part (11) and is electrically conductively connected at its free end to a preferably elastic cutting loop (15) in such a way that, through axial adjustment of the actuating part (14), the cutting loop (15) can be drawn to a greater or lesser degree into the guide channel (12), or into a tube (16) which continues it outwardly, or can be pushed out of the guide channel (12), or out of the tube (16) continuing it outwardly, whereby the loop size can be changed. The design is such that the two limbs (15', 15') of the cutting loop (15) are releasably secured to a shaft (13) which is guided in the guide channel (12) or tube (16) and forms the holding element.
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