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Surgical stapling apparatus with powered articulation

  • US 9,192,381 B2
  • Filed: 03/15/2013
  • Issued: 11/24/2015
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
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1. A surgical stapling apparatus comprising:

  • a handle assembly;

    an elongated body extending distally from the handle assembly;

    an articulation mechanism supported on the handle assembly, the articulation mechanism including;

    a motor assembly operatively coupled to a transmission shaft;

    a speed reducing mechanism disposed in mechanical cooperation with the transmission shaft;

    a clutch interconnecting the transmission shaft and a main shaft;

    a yoke shaft coupled to the main shaft and adapted to linearly advance a frame; and

    an articulation knob mounted on the handle assembly and operatively connected to the main shaft, wherein the articulation knob is configured solely for manual actuation, wherein manual rotation of the articulation knob results in manual rotation of the transmission shaft;

    a battery pack positioned on the handle assembly and electrically linked to the motor assembly; and

    a switch mounted on the handle assembly for activating and controlling the motor assembly.

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