Apparatus and method for endoscopic colectomy

A - Human Necessities – 61 – B

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A61B 17/08 (2006.01) A61B 1/00 (2006.01) A61B 17/115 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2472207

Apparatus and methods for endoscopic colectomy are described herein. A colectomy device (102) having a first and a second tissue approximation device is mounted on a colonoscope (100) separated from one another. During deployment of the colectomy device (102), a diseased portion of the colon is positioned inbetween the tissue approximation devices. The tissue approximation devices (104, 106) are radially expanded such that they contact and grasp the colon wall at two sites adjacent to the diseased portion of the colon. The diseased portion is separated from the omentum and is transected using a laparoscope or is drawn into the colonoscope (100) for later removal. The tissue approximation devices (104, 106) are then urged towards one another over the colonoscope (100) to approximate the two free edges of the colon into contact together where they are fastened to one another using the tissue approximation device as a surgical stapler to create an end-to-end anastomosis.

L'invention concerne un appareil et un procédé pour colectomie endoscopique. Un dispositif pour colectomie présentant un premier et un second dispositif de rapprochement des tissus est monté sur colonoscope et sont séparés l'un de l'autre. Lors de l'utilisation dudit dispositif pour colectomie, une partie malade du colon est positionnée entre lesdits dispositifs de rapprochement des tissus. Lesdits dispositifs de rapprochement des tissus sont déployés radialement de sorte qu'ils soient en contact et tiennent la paroi du colon sur deux sites adjacents à ladite partie malade du colon. Ladite partie malade est séparée de l'épiploon et coupée transversalement au moyen d'un laparoscope ou est tirée vers l'intérieur du colonoscope en vue d'une ablation ultérieure. Lesdits dispositifs de rapprochement des tissus sont alors déplacés l'un vers l'autre sur le colonoscope pour rapprocher les deux bords libres du colon de manière à les faire entrer en contact l'un avec l'autre, ces derniers étant attachés l'un avec l'autre au moyen du dispositif de rapprochement des tissus utilisé comme une agrafeuse chirurgicale pour permettre une anastomose complète.

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