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Tine fixation components for implantable medical devices

  • US 9,579,500 B2
  • Filed: 08/20/2015
  • Issued: 02/28/2017
  • 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 and at least one tine portion, the base portion being configured to be fixedly attached to the medical device, each of the at least one tine portion comprising a hook segment and a distal segment terminated by a tissue-piercing tip, the hook segment being pre-set to extend along a curvature that encloses an angle of between 135 degrees and 270 degrees, from a proximal end thereof, in proximity to the base portion, to a distal end thereof, the distal segment being pre-set to extend along a straight line, tangent to the distal end of the hook segment, from the distal end of the hook segment to the tip, and the hook segment being elastically deformable from the pre-set curvature to an open position;

  • and wherein;

    the hook segment of each tine portion has a round cross-section defined by a diameter andthe distal segment of each tine portion has a flattened, or approximately rectangular cross-section.

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