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Adapter assembly and loading units for surgical stapling devices

  • US 10,117,650 B2
  • Filed: 05/05/2015
  • Issued: 11/06/2018
  • Est. Priority Date: 05/05/2015
  • Status: Active Grant
First Claim
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1. A surgical apparatus comprising:

  • a proximal body portion;

    a distal body portion selectively articulable relative to the proximal body portion at an articulation joint and including a distal end configured for selective engagement with a loading unit, the distal body portion defining a longitudinal axis and having a diameter and a length;

    a first drive gear disposed within the distal body portion, wherein the length of the distal body portion is substantially the same as the diameter of the distal body portion;

    a rotation gear disposed within the distal body portion for rotating the distal end of the distal body portion about the longitudinal axis; and

    a drive transfer assembly extended between the proximal and distal body portions, further including;

    a first horizontal bevel gear and a second horizontal bevel gear disposed about the articulation jointa first distal bevel gear operably connected to the first horizontal bevel gear and the first distal bevel gear connected to the first drive gear by a first spur gear; and

    a second distal bevel gear operably connected to the second horizontal bevel gear and the second distal bevel gear connected to the rotation gear by a second spur gear.

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