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Detachment mechanism for implantable fixation devices

  • US 8,216,256 B2
  • Filed: 02/26/2009
  • Issued: 07/10/2012
  • Est. Priority Date: 04/09/1999
  • Status: Expired due to Term
First Claim
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1. A system for delivering an implantable fixation device comprising:

  • the implantable fixation device having an attachment portion at a proximal end thereof, said attachment portion having an interior;

    an interventional catheter having an attachment portion configured to engage the attachment portion of said fixation device, said attachment portion of the interventional catheter having an interior;

    at least one of said attachment portions of said fixation device and said interventional catheter being biased to disengage from the other attachment portion; and

    a rod at least partially disposed within both interiors and regulating engagement between the attachment portions of the interventional catheter and the fixation device,wherein at least one of said attachment portions of said fixation device and said interventional catheter are biased in a radially inward direction, andwherein when the rod is at least partially disposed within both interiors the at least one attachment portion is maintained in a radially outward direction preventing disengagement of the fixation device from the interventional catheter.

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