1
Buess Gerhard Professor Dr Med, Farin Guenter, Fischer Klaus: H.f. surgical instrument for cutting and coagulating.. Erbe Elektromedizin, April 14, 1993: EP0536440-A1 (53 worldwide citation)

The invention describes a H.F. surgical instrument for cutting and/or coagulating biological tissues, which has a metallic sleeve 12 serving as a neutral electrode and in which a metal needle 11, which serves as the cutting electrode and which is insulated against the sleeve, is arranged so as to be ...


2
Farin Guenter, Fischer Klaus, Buess Gerhard Prof Dr Med: H.f.-surgical instrument for cutting and coagulating.. Erbe Elektromedizin, March 10, 1993: EP0530400-A1 (28 worldwide citation)

The invention describes a high frequency surgical instrument for cutting and/or coagulating biological tissues, comprising a metallic sleeve 12 in which a metallic needle 11 serving as the cutting electrode is arranged so that it can be pushed out in the axial direction and is electrically insulated ...