Instruments and methods for minimally invasive tissue...

A - Human Necessities – 61 – B

Patent

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A61B 17/02 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2565167

Methods and devices retract tissue for minimally invasive surgery in a patient. A retractor (20, 320) includes a working channel (50, 350) formed by a first portion (22, 322) and a second portion (24, 324.) The first and second portions (22, 322, 24, 324) are movable relative to one another from a first configuration for insertion that minimizes trauma to skin and tissue to an enlarged configuration after insertion to further retract skin and tissue in a minimally invasive manner. Instruments (70, 90, 140, 220, 360) are engageable to the first and second portions (22, 322, 24, 324) and operable to move the first and second portions (22, 322, 24, 324) relative to one another.

L'invention concerne des méthodes et des dispositifs pour rétracter du tissu pour une chirurgie minimalement invasive chez un patient. Un rétracteur (20, 320) comprend un canal fonctionnel (50, 350) constitué d'une première partie (22, 322) et d'une seconde partie (24, 324.) La première partie (22, 322) et la seconde partie (24, 324) sont mobiles l'une par rapport à l'autre, d'une première configuration d'insertion destinée à réduire le traumatisme effectué sur la peau et sur les tissus, à une configuration élargie, après l'insertion, destinée à rétracter encore plus la peau et les tissus, de manière minimalement invasive. Les instruments (70, 90, 140, 220, 360) peuvent s'emboîter dans la première partie (22, 322) et dans la seconde partie (24, 324) et peuvent déplacer la première partie (22, 322) et la seconde partie (24, 324), l'une par rapport à l'autre.

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