Lockout engagement features for surgical stapler

• Main Authors: RECTOR JASON M, FANELLI NICHOLAS, LAURENT RYAN J, GAGEL JEFFREY C, SHELTON IV FREDERICK E, SIMMS ROBERT J, HOFFMAN DOUGLAS B
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2017
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

A surgical instrument comprises a body, shaft, and end effector. The shaft couples the end effector and body together. The end effector comprises an anvil and lower jaw configured to receive a surgical staple cartridge. The anvil is configured to pivot toward and away from the staple cartridge and lower jaw. The shaft assembly comprises a knife member configured to longitudinally translate to thereby substantially simultaneously cut clamped tissue and staple the severed tissue. The end effector may comprise lockout features configure to prevent longitudinal translation of the knife member. The end effector or staple cartridge may comprise lockout bypass features configured to prevent lockout of the knife member. 本发明公开了种外科器械，该外科器械包括主体、轴和端部执行器。轴将端部执行器与主体联接在起。端部执行器包括砧座和被构造成能够接收外科钉仓的下钳口。砧座被构造成能够朝向和远离钉仓和下钳口枢转。轴组件包括刀构件，该刀构件被构造成能够纵向平移，由此基本上同时切割被夹紧的组织和缝合所切断的组织。端部执行器可包括闭锁特征结构，该闭锁特征结构被构造成能够防止刀构件的纵向平移。端部执行器或钉仓可包括被构造成能够防止刀构件的闭锁的闭锁绕过特征结构。