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Method and apparatus for fixating an implantable medical device

  • US 8,551,113 B2
  • Filed: 10/20/2011
  • Issued: 10/08/2013
  • Est. Priority Date: 04/03/2002
  • Status: Active Grant
First Claim
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1. A method of implanting a medical device in a patient, wherein:

  • the device comprises an elongate body having a longitudinal axis and including a proximal portion and a distal portion, wherein the body terminates at a distal end;

    an electrode and a conductor that extends proximally from the electrode towards the proximal portion of the body; and

    a fixation mechanism formed about the body, extending from the proximal portion to the distal portion, the fixation mechanism comprising;

    a fixation segment positioned in proximity to a distal end of the fixation mechanism and including a deployable lobe,a tube segment extending from the fixation segment proximally to a proximal end of the fixation mechanism, andan anchor fixedly coupling the fixation mechanism distal end to the body; and

    wherein the body extends distally from the fixation segment in a curved configuration, curving away from the body axis and wherein the electrode is located at the distal end of the body; and

    the method comprises inserting the device into the patient such that the fixation segment and electrode are both located in the patient'"'"'s coronary vascular system,and deploying the deployable lobe outwardly away from the body axis by moving the tube segment distally relative to the lead body.

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