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Surgical method and device having a first jaw and a second jaw in opposed correspondence for clamping, cutting, and stapling tissue

  • US 8,540,733 B2
  • Filed: 10/03/2011
  • Issued: 09/24/2013
  • Est. Priority Date: 06/14/2002
  • Status: Expired due to Term
First Claim
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1. A method for operating a surgical device, the surgical device including a first jaw having a distal end and a second jaw having a distal end, wherein the second jaw is disposed in opposed correspondence with the first jaw, and wherein the first jaw is pivotably coupled to the second jaw, the method comprising the steps of:

  • opening the first jaw and the second jaw;

    positioning a section of tissue between the first jaw and the second jaw;

    biasing the distal end of the first jaw towards the distal end of the second jaw;

    closing the first jaw and the second jaw so as to clamp the section of tissue between the first jaw and the second jaw;

    providing at least one of a cutting element and a stapling element disposed within the second jaw;

    moving the at least one of the cutting element and the stapling element, via a first driver having a gear cluster defining at least a first gear and a second gear configured to engage each other, proximally from the distal end toward a proximal end of the second jaw to at least one of cut and staple a section of tissue disposed between the first and second jaws; and

    moving the at least one of the cutting element and the stapling element, via a second driver having a fire shaft assembly, the fire shaft assembly defining a first region extending into and rotatable within an orifice of a housing plate associated with the gear cluster via a gearbox.

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