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Temporary leadless implantable medical device with indwelling retrieval mechanism

  • US 9,168,372 B2
  • Filed: 03/07/2013
  • Issued: 10/27/2015
  • Est. Priority Date: 03/07/2013
  • Status: Active Grant
First Claim
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1. A leadless implantable medical device (LIMD) system comprising;

  • a housing having a distal end and a proximal end, the distal end configured to be actively secured to tissue in an implant chamber of a heart;

    at least one electrode configured to perform at least one of sensing and pacing of at least one chamber of the heart;

    a processor to control sensing and pacing operations;

    an indwelling retrieval mechanism (IRM) having a distal end coupled to the proximal end of the housing, the IRM having a body configured to extend from the heart, along a vessel and exit the vessel at an exit/re-entry point;

    the IRM having a proximal end configured to be anchored at a temporary anchor site to at least one of subcutaneous tissue and muscle while the LIMD is implanted;

    the body of the IRM being formed of a flexible biocompatible and biostable material and having sufficient strength to maintain a desired level of structural integrity for a duration of time that the LIMD is implanted;

    a catheter having first and second lumen, the first lumen to receive the IRM; and

    an LIMD gripper device loaded into the second lumen and advanced until projecting from an open end of the catheter, a distal end of the LIMD gripper device coupling to a proximal end of the LIMD.

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