This invention provides an improved surgical apparatus actuator, including nail bin assembly and nail anvil assembly connecting with it as well a drive assembly controlling the nail bin assembly and nail anvil assembly to convertbetween opening and closing conditions. Through a combined design for multiple assemblies with different functions, this invention reduces component processing difficulty, increases the ability of the actuator chuck to resist bending deformation, upgrades the product performance, reduces the mechanical failure risk and improves the clinical application effect of the apparatus.
