Spring loaded anvil retainer

摘要

A surgical stapling device including a handle assembly, a body portion extending distally from the handle assembly, a head portion including an anvil retainer and a shell assembly, the anvil retainer being movable in relation to the shell assembly between unapproximated and approximated positions, a tube surrounding a portion of the anvil retainer, wherein the anvil retainer includes a distal annular protrusion for releasably engaging an anvil assembly and wherein the anvil assembly includes a center rod.

主权项

1. An anvil retaining apparatus, comprising:
an anvil retainer including a proximal portion configured to be operatively coupled to a surgical device, and a distal portion having an annular protrusion configured to be coupled to an anvil assembly; and a tube surrounding the anvil retainer, wherein the tube is movable relative to and along the anvil retainer between a distal position, in which the annular protrusion of the anvil retainer is disposed within the tube, and a proximal position, in which the annular protrusion of the anvil retainer projects distally from the tube.