Resectoscope electrode assembly with simultaneous cutting...

A - Human Necessities – 61 – B

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A61B 18/14 (2006.01) A61B 18/12 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2221316

An electrode assembly for a resectoscope includes a cutting electrode (2) with a loop distal tip and a first power density. A coagulation electrode (1) has a loop distal tip and a second power density that is smaller than the first power density. A support frame (6) is connected to the cutting and coagulation electrodes (2, 1). The coagulation electrode (1) provides tissue coagulation simultaneously while the cutting electrode (2) cuts tissue. A resectoscope is disclosed which includes the electrode assembly. The resectoscope includes a sheath (14) with a sheath lumen, a working element (15), and a visualization element (6).

Cette invention concerne un ensemble d'électrodes pour résectoscope, lequel ensemble comprend une électrode coupante (2) ayant une extrémité distale en boucle et une première densité énergétique. Une électrode de coagulation (1) possède une extrémité distale en boucle ainsi qu'une seconde densité énergétique inférieure à la première densité énergétique. Un cadre de support (6) est relié aux électrodes coupante et de coagulation (2, 1). L'électrode de coagulation (1) permet d'obtenir la coagulation des tissus en même temps que l'électrode coupante (2) découpe ces derniers. Cette invention concerne également un résectoscope comprenant cet ensemble d'électrodes. Le résectoscope comprend un fourreau (14) dans lequel est pratiquée une lumière, ainsi qu'un élément de travail (15) et un élément de visualisation (16).

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