NICHOLAS, DAVID A.,BEARDSLEY, JOHN W.,PRIBANIC, RUSSELL
申请号：
CA2893171
公开号：
CA2893171A1
申请日:
2015.05.29
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
An end effector includes a mounting portion that mounts to a surgical staplingapparatus,first and second jaw members extending distally from the mounting portion, adrive beamengagable with the first and second jaw members, and a threaded drive screw.The first jawmember includes a first tissue engaging surface and the second jaw membersupports a fastenercartridge. The fastener cartridge includes a second tissue engaging surfacethat defines fastenerretaining slots that support fasteners. The drive beam includes a retentionfoot formed of a firstmaterial. The retention foot defines a threaded bore that supports a threadedinsert formed of asecond material. The threaded drive screw is threadably engaged with thethreaded insert and isrotatable to distally advance the drive beam along the threaded drive screw tofire and form thefasteners.
