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Medical devices with detachable pivotable jaws

  • US 8,545,519 B2
  • Filed: 07/19/2011
  • Issued: 10/01/2013
  • Est. Priority Date: 12/22/2009
  • Status: Active Grant
First Claim
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1. A medical device for engaging tissue, the medical device comprising:

  • a housing defining an internal passageway and a longitudinal axis extending between proximal and distal ends of the housing, the housing defining a driver guide surface along the internal passageway;

    a first jaw rotatable relative to the housing, the first jaw having proximal and distal ends;

    a second jaw rotatable relative to the housing, the second jaw having proximal and distal ends;

    an elongated drive wire; and

    a driver having a proximal portion engaged with the drive wire and a distal portion engaged with the proximal ends of the first and second jaws, longitudinal movement of the driver rotating the first and second jaws relative to the housing, the driver including an intermediate portion positioned between the proximal and distal portions, the intermediate portion including a frame and a locking leg connected to the frame, the frame defining an intermediate space, the frame being deformable such that a predetermined longitudinal force differential between the proximal portion and distal portion of the driver causes the frame to deform and the locking leg to move away from the longitudinal axis into a locking position for engaging the driver guide surface.

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