US Patent 10265067 Surgical instrument including a regulator and a control system

A surgical instrument comprising a first iaw, a second iaw, a staple cartridge, a firing system, an electric motor, a power source, a regulator, and a control system is disclosed. The first iaw is movable relative to the second iaw to capture tissue between the first iaw and the second iaw. The staple cartridge is supported by the second iaw and comprises staples removably stored therein. The firing system is configured to drive the staples toward the first jaw. The electric motor is mechanically coupled to the firing system. The power source is electrically couplable to the electric motor. The regulator is electrically connected to the power source and the electric motor. The control system is electrically connected to the regulator. The control system is configured to control a speed of the electric motor based on a voltage set point of the regulator.