MOTOR-DRIVEN SURGICAL CUTTING INSTRUMENT WITH ELECTRIC ACTUATOR DIRECTIONAL CONTROL ASSEMBLY

  • US 20130261648A1
  • Filed: 05/24/2013
  • Published: 10/03/2013
  • Est. Priority Date: 12/24/2009
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument, comprising:

  • an end effector comprising a moveable component;

    an electric motor for powering the end effector;

    a moveable drive member that is driven in a first direction when the electric motor operates in a first direction and that is driven in a second direction when the electric motor operates in a second direction, wherein movement of the drive member causes movement of the moveable component of the end effector; and

    a motor control circuit connected to the motor for controlling the motor, wherein the motor control circuit comprises a switching circuit that, upon actuation, reverses the direction of the motor from the first direction to the second direction, wherein the switching circuit is actuatable separately through each of;

    actuation of a moveable actuator of the switching circuit through movement of the drive member at least in the first direction; and

    manual actuation by a user of the surgical instrument.

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