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Cardiac or cerebral vessel microlead with electrode ring

  • US 10,071,238 B2
  • Filed: 02/19/2016
  • Issued: 09/11/2018
  • Est. Priority Date: 05/16/2012
  • Status: Active Grant
First Claim
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1. A lead for implantation in a venous, arterial or lymphatic network, comprising:

  • a conductor adapted to be connected to a generator of an active implantable medical device;

    a sheath of electrically insulating polymer material covering the conductor on its periphery and along its length; and

    an electrode formed by a ring electrically connected to the conductor via a puncture through the sheath and in contact with the conductor, wherein the ring has a differential crimping profile and penetrates the sheath at a central portion of the ring, and wherein the ring is configured to form one or more areas of compression within the sheath by moving a material of the sheath away from the ring such that the areas of compression form a seal around at least a central portion of the ring.

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