Patent ID: 9700315
Date: 2017-07-11
CPC Classifications: A61B

Claim:
1. A linear cutting stapler, comprising a first half-section and a second half-section capable of being closed or opened relative to each other, with a staple cartridge being provided at an end of the second half-section, the second half-section having a U shape, and a staple pushing bar and a cutter pushing bar being slidably provided in the second half-section, wherein the linear cutting stapler further comprises a safety mechanism comprising an engaging member, a bottom surface of the staple pushing bar that is away from the first half-section is provided with a notch for engaging with the engaging member, and the engaging member is configured to engage with the notch at the bottom surface of the staple pushing bar; the safety mechanism further comprises a floating block displaceable in the second half-section in an up-down direction perpendicular to a length direction of the second half-section; in a first state, the engaging member is engaged with the notch, to stop the staple pushing bar from moving forward in the length direction of the second half-section; and in a second state, the floating block abuts against the staple cartridge or a staple anvil to drive a top end of the engaging member that is towards the first half-section to displace downwards in the up-down direction perpendicular to the length direction of the second half-section, the engaging member is disengaged from the notch, to allow the staple pushing bar to move forward in the length direction of the second half-section; and a bottom end of the floating block that is away from the first half-section is connected to the top end of the engaging member that is towards the first half-section, a bottom end of the engaging member that is away from the first half-section is connected to the second half-section, and a first through slot and a second through slot for the staple pushing bar and the cutter pushing bar to pass through respectively are provided on the floating block in the length direction of the second half-section.