Patent ID: 7721933
Filing Date: 2010-05-25
Classification: A61B

Abstract:
1. A surgical fastener applying apparatus, comprising: a cartridge half-section and an anvil half-section, the cartridge half-section and anvil half-section being relatively movable from an unclamped position to a clamped position; a loading unit receivable in the cartridge half-section and having a plurality of staples and a plurality of staple pusher members; the cartridge half-section having: a lockout mechanism arranged to block advancement of the member in a locked-out position of the lockout mechanism, wherein the lockout mechanism includes a rocker pivotably mounted to said cartridge half-section, said rocker including a blocking surface and being biased toward a locked-out position, wherein said blocking surface engages said member to prevent a longitudinal movement of said cam bar arrangement and said camming surface extensions; whereupon after loading of the loading unit in the surgical fastener applying apparatus and during subsequent clamping of the cartridge and anvil half sections, the lockout mechanism is moved from an initial position blocking advancement of the member to an unlocked position to allow an initial advancement of the member in order to fire the surgical fastener applying apparatus.