Slotted pins guiding knife in a curved cutter stapler

Elongated-member-driving apparatus – Surgical stapler

Reexamination Certificate

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Details

C227S019000, C227S176100, C227S180100, C606S219000

Reexamination Certificate

active

11014914

ABSTRACT:
A surgical instrument adapted for applying a plurality of surgical fasteners to body tissue includes a frame having a proximal end and a distal end, with a handle positioned at the proximal end. The instrument also includes a cartridge housing and an anvil. The cartridge housing and anvil are relatively movable between a first spaced apart position and a second position in close approximation with one another, and the cartridge housing includes a knife adapted for cutting tissue by moving between the cartridge housing and the anvil. A firing mechanism is associated with the cartridge housing for selective actuation. The instrument also includes a tissue retention feature having an upper member and a lower member maintaining tissue between the cartridge housing and the anvil during treatment, wherein the upper and lower members respectively include channels associated with the knife for guiding it between the cartridge housing and the anvil.

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patent: 6805273 (2004-10-01), Bilotti et al.
patent: 2002/0151911 (2002-10-01), Gabbay
patent: 2003/0192937 (2003-10-01), Sullivan et al.
patent: WO 01/91646 (2001-12-01), None
European Search Report re: EP04258157 dated Apr. 18, 2006.

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