Patent ID: 7686201
Filing Date: 2010-03-30
Classification: A61B

Abstract:
1. A circular stapler for performing hemorrhoidal operations, the stapler comprising: an anvil and a stapler head, the anvil being supported on a shaft and being movable in relation to the stapler head between open and closed positions, the stapler including a ring which is arbitrarily displaceable along a longitudinal axis of the shaft, the ring having a distal end including a distal flange and a proximal end including a connecting rim, and a displacing member having a first end including a connecting component connected to the ring and a second end including a displacing button extending through a body of the stapler, the connecting component including a plurality of hooks which are configured to engage the connecting rim of the ring, the displacing member being movable to arbitrarily displace the ring along the shaft, wherein the ring is configured and dimensioned to pull tissue into an interior portion of the stapler head as the displacing member is moved proximally.