Patent ID: 9649150
Date: 2017-05-16
CPC Classifications: A61B,A61N,G16H,H01M,H02J,Y02E,Y10T

Claim:
1. A surgical instrument comprising: (a) a body having a distal end portion; (b) a control unit; (c) a power source, wherein the power source is configured to selectively deliver power to the control unit; (d) a shaft assembly extending distally from the distal end portion of the body, wherein the shaft assembly includes a proximal portion insertable into the body; and (e) a switch in communication with the control unit, wherein the switch is in further communication with the power source, wherein the proximal portion of the shaft assembly is configured to actuate the switch thereagainst, wherein the switch is located in the distal end portion of the body and structurally positioned to be adjacent to the proximal portion of the shaft assembly for actuation thereof, wherein the switch is configured to be actuated by rotational movement of the proximal portion of the shaft assembly against the switch within the body to initiate delivery of power from the power source.