High frequency surgical instrument with a fluid infeed passage
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
May 5, 1999
filing date -
May 11, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high frequency surgical instrument which has at least one treatment electrode (11, 11', 11') which can be or is connected to a high frequency generator (12), which is at least partly fluid-permeable and to which a fluid, in particular a liquid, which counteracts the sticking of the biological tissue to the treatment electrode (11) can be or is fed in through at least one liquid infeed passage (13). At least the region (11, 11', 11') of the treatment electrode which is intended for the interaction with the biological tissue consists totally or partly of a liquid-permeable, porous, biologically compatible sinter material.
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