Surgical fastening apparatus

摘要

A surgical fastening apparatus includes a fastener retaining frame having a first annular portion having a plurality of retainers circumferentially disposed thereon and a second annular portion having a plurality of circumferentially arranged perforations. The fastener retaining frame is detachably secured to a supporting structure. After the plurality of surgical fasteners has been mated with the plurality of retainers, an annular blade severs the perforations.

主权项

1. An end effector of a surgical instrument comprising:
a tubular body including a plurality of surgical fasteners therein; an anvil movable relative to the tubular body between an open position and an approximated position; a fastener retaining frame including a first annular portion having a weakened portion and a second annular portion having a plurality of retainers configured to mate with the plurality of surgical fasteners to retain tissue therebetween; and a flange secured with the anvil, the flange defining a circular recess configured to receive a portion of the first annular portion therein, the flange including a circular ledge extending radially over the portion of the first annular portion to secure the portion of the first annular portion within the circular recess of the flange, wherein the weakened portion is severable from the plurality of retainers, whereby the plurality of the retainers is detachable from the anvil and the portion of the first annular portion is retained within the circular recess of the flange.