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Implantable medical device delivery catheter with tether

  • US 9,717,421 B2
  • Filed: 05/29/2012
  • Issued: 08/01/2017
  • Est. Priority Date: 03/26/2012
  • Status: Active Grant
First Claim
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1. A kit for intravascular implantation of an implantable medical device within a patient, the kit comprising:

  • an elongated outer sheath forming an inner lumen with a distal opening, the outer sheath sized to traverse a vasculature of the patient, wherein the outer sheath is configured to receive the implantable medical device within the inner lumen; and

    an elongated inner sheath with an enlarged distal portion, wherein the enlarged distal portion includes an inflatable member that is configured to substantially fill the inner lumen and close-off the distal opening of the outer sheath when inflated, wherein the enlarged distal portion is slidable relative to the outer sheath,wherein the inner sheath further includes a tether with a helical element that is remotely controllable from a proximal end of the inner sheath to release the implantable medical device from a distal portion of the outer sheath,wherein the inner sheath further includes a stopper proximally located relative to the inflatable member, wherein the inflatable member is remotely controllable from a proximal end of the inner sheath to retract in a proximal direction towards the stopper while the stopper is stationary,wherein the kit is configured such that the inflatable member can be retracted in the proximal direction and towards the stopper while the stopper is stationary and past the implantable medical device positioned within the distal portion of the outer sheath, andwherein the implantable medical device includes at least one of a stimulation electrode, a sensing electrode, a battery, or a sensor.

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