Patent ID: 8070037
Filing Date: 2011-12-06
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 the shaft, the ring being configured, dimensioned, and adapted such that proximal movement of the ring draws tissue into the stapler head, and a displacing member having a first end connected to the ring and a second end extending through a body of the stapler such that at least a portion of the second end of the displacing member is positioned externally of the body of the stapler to facilitate movement of the displacing member to arbitrarily displace the ring along the shaft, wherein the body of the stapler includes a longitudinal slot, the second end of the displacing member extending through the longitudinal slot such that the longitudinal slot guides movement of the displacing member, and wherein the stapler includes a locking slot for locking the displacing member in a fixed position.