US Patent 11751873 Electrically powered surgical instrument with manual release

A surgical device comprising a surgical end effector, an actuation assembly having a part operable to move between a first position and a second position, an electrically-powered motor, a transmission mechanically connecting the motor to the part and being operable to selectively displace the part between the first and second positions when the motor is operated, and a manual release mechanically coupled to the transmission to selectively interrupt the transmission and, during interruption, displace the part towards the first position independent of operation of the motor.