Laparoscopic stone safety device and method

Details Laparoscopic stone safety device and method Laparoscopic stone safety device and method

A - Human Necessities

61

B

A61B 17/22 (2006.01)

Patent

CA 2529428

A laparoscopic netting assembly is provided for conducting a gallbladder or bile duct procedure through one of the throughbores in a carrier sheath (40), which in turn may be positioned within a laparoscopic port (5). The carrier sheath includes at least one through channel for conducting a frame control rod (90), and optionally a deployment rod (95). The netting assembly includes a collapsible and expandable frame (20) and a fluid permeable netting (10), which preferably includes a plurality of netting layers, suspended on the frame for collecting stones released from the gallbladder or bile duct. The frame is sized to also collect the gallbladder. The carrier sheath may also include one or more through channels for a cutting instrument.

L'invention concerne un système de filet laparoscopique permettant d'effectuer une opération chirugicale de la vésicule biliaire ou du canal cholédoque, à travers un des passages traversants d'une gaine de support, laquelle peut être positionnée dans une ouverture laparoscopique. Le gaine de support comprend au moins un canal traversant permettant de guider une tige de commande de cadre, et éventuellement une tige de déploiement. Ce système de filet comprend un cadre repliable et déployable, et un filet perméable aux fluides, comprenant de préférence plusieurs couches de filet, suspendues au cadre, et servant à collecter les calculs libérés de la vésicule ou du canal cholédoque. La dimension du cadre est calculée de manière à lui permettre en outre de recueillir la vésicule. La gaine de support peut comprendre additionnellement un ou plusieurs canaux traversant destinés à un instrument de coupe.

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