Surgery – Instruments – Electrical application
Patent
1996-12-18
1998-12-08
Cohen, Lee
Surgery
Instruments
Electrical application
606 50, A61B 1739
Patent
active
058462414
ABSTRACT:
A bipolar electrocautery valvulotome in the form of an elongated catheter having a longitudinal axis, a proximal end for being held and manipulated by a user, and a distal end. A first electrode is provided adjacent the distal end of a main body of the catheter and has an exposed surface facing distally of the catheter. The first electrode is electrically coupled to device for generating a current. A second electrode is disposed distally of the first electrode and is also electrically coupled to the current generating device. The second electrode has an exposed surface in a plane substantially perpendicular to the longitudinal axis of the catheter. At least one of the first and second electrodes is movable relative to the other so as to selectively capture a venous valve structure to be cauterized therebetween.
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Kittur Dilip
Petronis John
Cohen Lee
Johns Hopkins University
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