Endarterectomy surgical instrument

Details Endarterectomy surgical instrument Endarterectomy surgical instrument

A - Human Necessities

61

B

A61B 17/3207 (2006.01) A61B 17/3203 (2006.01)

Patent

CA 2390922

An endarterectomy surgical instrument and method. The instrument has a shaft having proximal and distal ends, with a head (80) coupled to the distal end of the shaft (82) and a handle coupled to the proximal end. The head has an endoscope port (86) and at least one fluid port (84) while the handle has a gas supply port and a flow valve for metering flow of gas between the gas supply port and the at least one fluid port on the head as well as a latch for retaining the head of an endoscope. Gas may be conveyed from the handle to the head in a lumen separate from that containing the endoscope.

L'invention concerne un instrument chirurgical et une technique destinés à l'endartériectomie. Cet instrument possède une tige ayant une extrémité distale et une extrémité proximale, une tête (80) étant accouplée à l'extrémité distale de la tige (82) et un manche étant accouplé à l'extrémité proximale. Cette tête possède un orifice (86) d'endoscope et au moins un orifice fluidique (84), le manche comportant un orifice d'alimentation en gaz et une vanne d'écoulement permettant de mesurer le débit gazeux entre l'orifice d'alimentation en gaz et ledit orifice fluidique situé sur la tête, ainsi qu'un verrou servant à retenir la tête d'un endoscope. Le gaz peut être acheminé vers la tête depuis le manche dans une lumière séparée de celle qui contient l'endoscope.

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