A surgical stapling device , comprising: a handle assembly ; a clamp drive assembly ; a clamp assembly ; a shaft assembly coupled to the handle assembly ; and an end-effector coupled to the shaft assembly , wherein the end-effector comprises: a jaw assembly having (i) an anvil member and (ii) a staple channel member or a staple cartridge holder member , the jaw assembly configured to perform clamping operations, wherein the handle assembly comprises: a trigger member to activate the clamp drive assembly to drive the clamp assembly to cause said jaw assembly to perform clamping operations, wherein the clamp assembly comprises: a clamp slide member to either advance said clamp assembly in a proximal direction or retreat said clamp assembly in a distal direction, and a clamp driver member movably coupled to the clamp assembly , characterized in that proximal movement of the clamp driver member causes the jaw assembly to clamp and distal movement of the clamp driver member causes the jaw assembly to un-clamp. a handle assembly ; a clamp drive assembly ; a clamp assembly ; a shaft assembly coupled to the handle assembly ; and an end-effector coupled to the shaft assembly , wherein the end-effector comprises: a jaw assembly having (i) an anvil member and (ii) a staple channel member or a staple cartridge holder member , the jaw assembly configured to perform clamping operations, wherein the handle assembly comprises: a trigger member to activate the clamp drive assembly to drive the clamp assembly to cause said jaw assembly to perform clamping operations, wherein the clamp assembly comprises: a clamp slide member to either advance said clamp assembly in a proximal direction or retreat said clamp assembly in a distal direction, and a clamp driver member movably coupled to the clamp assembly , characterized in that proximal movement of the clamp driver member causes the jaw assembly to clamp and distal movement of the clamp driver member causes the jaw assembly to un-clamp. a jaw assembly having (i) an anvil member and (ii) a staple channel member or a staple cartridge holder member , the jaw assembly configured to perform clamping operations, wherein the handle assembly comprises: a trigger member to activate the clamp drive assembly to drive the clamp assembly to cause said jaw assembly to perform clamping operations, wherein the clamp assembly comprises: a clamp slide member to either advance said clamp assembly in a proximal direction or retreat said clamp assembly in a distal direction, and a clamp driver member movably coupled to the clamp assembly , characterized in that proximal movement of the clamp driver member causes the jaw assembly to clamp and distal movement of the clamp driver member causes the jaw assembly to un-clamp. a trigger member to activate the clamp drive assembly to drive the clamp assembly to cause said jaw assembly to perform clamping operations, wherein the clamp assembly comprises: a clamp slide member to either advance said clamp assembly in a proximal direction or retreat said clamp assembly in a distal direction, and a clamp driver member movably coupled to the clamp assembly , characterized in that proximal movement of the clamp driver member causes the jaw assembly to clamp and distal movement of the clamp driver member causes the jaw assembly to un-clamp. a clamp slide member to either advance said clamp assembly in a proximal direction or retreat said clamp assembly in a distal direction, and a clamp driver member movably coupled to the clamp assembly , characterized in that proximal movement of the clamp driver member causes the jaw assembly to clamp and distal movement of the clamp driver member causes the jaw assembly to un-clamp. <EOS>