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Surgical instrument having fluid actuated opposing jaws

  • US 20060289600A1
  • Filed: 06/23/2005
  • Published: 12/28/2006
  • Est. Priority Date: 02/18/2005
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a handle operably configured to produce closure actuation;

    an elongate shaft attached to the handle;

    an end effector distally attached to the elongate shaft and comprising opposing jaws for clamping tissue;

    a pair of pivoting members opposingly contacting tissue, each pivoting member including a respective proximally projecting lever constrained to pivot relative to the other lever about a pivot connection; and

    a fluid actuated closure mechanism comprising;

    a fluid actuator positioned between the levers, a fluid conduit communicating with the fluid actuator and the elongate shaft, and a fluid reservoir responsive to the closure actuation by the handle to selectively and bi-directionally transfer fluid across the fluid conduit with the fluid actuator.

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