Patent ID: 7431191
Filing Date: 2008-10-07
Classification: A61B

Abstract:
1. A surgical stapling device comprising: a handle assembly including an approximation knob and a firing trigger; an elongated body portion extending distally from the handle assembly; a head portion including an anvil assembly and a shell assembly, the shell assembly housing a plurality of staples and the anvil assembly including an anvil head and an anvil center rod, the anvil head being pivotally secured to the anvil center rod about a pivot axis and being movable between an operative position and a tilted position; an anvil retainer assembly extending from the elongated body portion through the shell assembly, the anvil retainer assembly being configured to releasably engage the anvil assembly and including a locking member which is movable from a first position in which the anvil head is moved to or retained in the operative position to a second position in which the anvil head is able to pivot from the operative position to the tilted position.