Patent ID: 11896233
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 9:
10. A shell assembly comprising:
a shell housing defining a cavity;
a staple cartridge supported on the shell housing, the staple cartridge supporting a plurality of staples;
a pusher defining a longitudinal bore;
a knife carrier movable within the longitudinal bore of the pusher; and
a knife supported on the knife carrier;
wherein the pusher is movable within the cavity of the shell housing from a retracted position to an advanced position to eject the plurality of staples from the staple cartridge, and the knife carrier engages the pusher and is movable between a retracted position and an intermediate position to move the pusher from its retracted position to its advanced position and subsequently movable from its intermediate position to an advanced position independently of the pusher to advance the knife to cut tissue.