Conduit harvesting instrument and method

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/00 (2006.01) A61B 18/14 (2006.01) A61B 17/22 (2006.01) A61B 17/32 (2006.01) A61B 18/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2455385

A surgical instrument for harvesting vessels from the body includes an elongated shaft (12) having distal and proximal ends and a plurality of lumens (150a, 150b) disposed therethrough. The shaft also includes a tip having a dissecting portion disposed at a distal end thereof and a cradle section (114). The tip is movable from a first position proximate the distal end of the shaft to at least one additional position distally further from the distal end of the shaft to expose the cradle section. The instrument also includes an endoscope (162) disposed in one of the plurality of lumens and at least one additional surgical instrument (132) disposed in one of the remaining lumens. Methods are disclosed for utilizing the surgical instrument.

L'invention concerne un instrument chirurgical destiné au prélèvement de vaisseaux sanguins de l'organisme, qui comprend une tige allongée (12) possédant des extrémités distale et proximale et traversée par une pluralité de lumières (150a, 150b). Ladite tige comprend également une pointe comportant une partie de dissection placée à une extrémité distale de ladite pointe, et une partie de support (114). Il est possible de déplacer la pointe d'une première position proche de l'extrémité distale de la tige à au moins une position supplémentaire distalement plus éloignée de l'extrémité distale de la tige, de façon à découvrir la partie de support. L'instrument comprend également un endoscope (162) disposé dans l'une des lumières et au moins un instrument chirurgical supplémentaire (132) disposé dans l'une des lumières restantes. L'invention concerne également des procédés d'utilisation dudit instrument chirurgical.

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