True multi-fire linear cutter

摘要

One exemplary surgical apparatus may include an anvil assembly to which a staple holder assembly detachably connected; feeder belts positioned at least partially within the staple holder assembly; staples separably attached to each feeder belt; a wedge assembly slidable within and along the staple holder assembly, the wedge assembly including an engagement feature; and a deployment handle, where, upon closure of the anvil assembly and staple holder assembly relative to one another, the deployment handle engages the engagement feature; where the deployment handle is movable along the anvil assembly to drive the wedge assembly relative to the staple holder assembly, feeder belts and staples in order to deform at least one staple to a closed state and separate at least one closed staple from the corresponding feeder belt. One exemplary surgical method may include providing a surgical stapler having an anvil and a staple holder separably connected to the anvil, where the staple holder holds feeder belts and staples separably connected to each feeder belt; deploying, at least twice, a plurality of staples from the staple holder; and then removing the staple holder from the anvil.

主权项

1. A surgical apparatus, comprising:
an anvil assembly; a staple holder assembly detachably coupled to said anvil assembly; a feeder belt deposed at least partially within said staple holder assembly, wherein a plurality of staples are frangibly connected to said feeder belt; a wedge assembly slidably deposed within said staple holder assembly, wherein sliding said wedge assembly within said staple holder assembly in a first direction deploys and frangibly separates at least one of said plurality of staples connected to said feeder belt; and an adjustable tissue stop slidably coupled to said staple holder assembly or said anvil assembly, wherein the adjustable tissue stop defines an adjustable length of a staple line for deploying said plurality of staples.