PROBLEM TO BE SOLVED: To provide tissue compression limiting mechanisms for use in surgical stapling instruments.SOLUTION: A torque limiting mechanism for use in tissue clamping surgical instruments comprises: a driven member engageable with an approximating mechanism of a surgical instrument, the driven member having a driven surface: a driving member having a driving surface engageable with the driven surface of the driven member and connected to a clamping actuator of the instrument, where the driving surface of the driving member slips relative to the driven surface of the driven member at a predetermined engagement pressure and a torque control having a member that adjusts the pressure applied by the driving member to the driven member.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】外科手術ステープリング器具において用いられる組織圧縮制限機構を提供すること。【解決手段】組織を圧縮する外科手術器具に用いられるトルク制限機構は、外科手術器具の接近させる機構と係合可能な被駆動部材であって、被駆動部材は被駆動表面を有する、被駆動部材と、駆動部材であって、被駆動部材の被駆動表面と係合可能な駆動表面を有し、器具のクランピングアクチュエータに接続され、駆動部材の駆動表面は、所定の係合圧力で被駆動部材の被駆動表面に対して滑る、駆動部材と、駆動部材によって被駆動部材に加えられる圧力を調整する部材を有するトルク制御器とを備えている、トルク制限機構。【選択図】図1
