Medical devices with a flexible electrode assembly coupled to an ablation tip

  • US 10,603,105 B2
  • Filed: 10/23/2015
  • Issued: 03/31/2020
  • Est. Priority Date: 10/24/2014
  • Status: Active Grant
First Claim
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1. A catheter for use in cardiac mapping and/or ablation, the catheter comprising:

  • an elongate catheter shaft having a distal ablation electrode configured to contact and provide ablation energy to tissue, wherein the distal ablation electrode comprises a plurality of openings extending through an exterior surface of the distal ablation tip;

    an electrode assembly releasably coupled to the distal ablation electrode, wherein the electrode assembly comprises a plurality of members, wherein each member of the plurality of members passes through a respective opening of the plurality of openings to fix the electrode assembly relative to the distal ablation electrode when the electrode assembly is coupled to the distal ablation electrode; and

    wherein the electrode assembly includes a flexible circuit having one or more electrodes disposed thereon.

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