Linear cutting stapler

Abstract

Disclosed is a linear cutting stapler comprising an upper jaw and a lower jaw capable of being closed or open relative to each other. Said upper jaw includes an anvil and said lower jaw includes a staple cartridge frame. The proximal end of said anvil is provided with a positioning pin, and the proximal end of said staple cartridge frame is configured with a pin slot; or, the proximal end of said staple cartridge frame is provided with a positioning pin, and the proximal end of said anvil is configured with a pin slot. Wherein, said pin slot comprises a first slot position and a second slot position which are engaged with said positioning pin, and, said first slot position and said second slot position are partially combined and arranged in an angle with each other. When said upper jaw and said lower jaw rotate from closed state to open state with said positioning pin as a support shaft, said positioning pin actively rotates from said first slot position to said second slot position in which it gets stuck. While the upper jaw and the lower jaw are closed, the positioning pin is engaged with the first slot position to locate the upper jaw and the lower jaw related to each other. After the upper jaw and the lower jaw are open, the positioning pin gets stuck in the second slot position, by this time the operator can lift up the whole stapler by holding upper jaw or lower jaw, which is convenient for re-locating the tissue and simplifies the operations.

Dependencies are inferred from the claim text.