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Medical device for removing an implanted object

  • US 10,314,615 B2
  • Filed: 02/12/2018
  • Issued: 06/11/2019
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A device for removing an implanted object from a body vessel, the device comprising:

  • an outer sheath assembly comprising a proximal end, a distal end, and a pin;

    an inner sheath disposed within the outer sheath assembly, the inner sheath being rotatable relative to the outer sheath assembly, and the inner sheath comprising a proximal end and a distal end;

    a tip coupled to the distal end of the inner sheath and being rotatable with the inner sheath relative to the outer sheath assembly, the tip comprising;

    a cutting surface opposite the inner sheath;

    a cam slot receiving and cooperating with the pin, the cam slot and the pin cooperating to cause the tip to move longitudinally relative to the outer sheath assembly as the tip rotates relative to the outer sheath assembly;

    a trigger comprising a trigger pin; and

    a barrel cam cylinder coupled to the inner sheath, the barrel cam cylinder comprising a barrel cam cylinder slot receiving and cooperating with the trigger pin;

    wherein upon the trigger and the trigger pin moving proximally, the trigger pin and the barrel cam cylinder slot cooperate to cause the barrel cam cylinder and the inner sheath to rotate in both a clockwise direction and a counter clockwise direction, thereby causing the tip to rotate in both the clockwise direction and the counter clockwise direction relative to the outer sheath assembly while the tip moves longitudinally relative to the outer sheath assembly.

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