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Tine fixation components for implantable medical devices

  • US 9,987,483 B2
  • Filed: 02/27/2017
  • Issued: 06/05/2018
  • Est. Priority Date: 07/31/2013
  • Status: Active Grant
First Claim
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1. A tissue-penetrating fixation component for an implantable medical device comprising:

  • a base portion being configured to be fixedly attached to the medical device; and

    a plurality of tine portions integrally formed with the base portion, each of the plurality of tine portions comprising;

    a hook segment having one of a round cross section that has a diameter and a continuous curvature around the round cross section or an elliptical cross-section that has a major axis and a minor axis and a continuous curvature around the elliptical cross-section, the hook segment being pre-set to extend along a curvature from a proximal end thereof, in proximity to the base portion, to a distal end thereof, the hook segment also being elastically deformable from the pre-set curvature to an open position; and

    a distal segment that is separate from the hook segment, the distal segment being terminated by a tissue-piercing tip, the distal segment having a flattened cross-section and being pre-set to extend along a line that is tangent to the distal end of the hook segment, from the distal end of the hook segment to the tip.

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