End effector with curved jaws and with a knife retained by a ledge or a slot

摘要

The present disclosure relates to an end effector assembly (100) including first and second jaw members (110,120) and a knife body (130). The first and second jaw members have a curved configuration and are disposed in opposed relation to each other. One or both of the jaw members include a ledge (122b), a first knife channel (123) and a second knife channel (121). The ledge is disposed along the length of one of the jaw members. The first knife channel is defined along the length of a portion of the ledge. The second knife channel is defined along the length of a portion of the jaw member, and below a bottom portion of the ledge such that the ledge covers a portion of the second knife channel. The knife body includes a knife blade at a distal end thereof and a recessed portion (134) proximal to the knife blade.