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Hand unit to release a self-expanding implant

  • US 9,687,372 B2
  • Filed: 10/17/2013
  • Issued: 06/27/2017
  • Est. Priority Date: 10/17/2012
  • Status: Active Grant
First Claim
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1. A medical device comprising:

  • an implant;

    a catheter including;

    an inner shaft configured as a push element;

    andan outer shaft configured as a pull element; and

    a hand unit comprising;

    a pull component coaxially disposed on the outer shaft;

    a pull grip coaxially disposed within the outer shaft, wherein a proximal end of the outer shaft is captured between the pull component and the pull grip;

    a telescopic tube arrangement comprising an inner tube and an outer tube, wherein a distal end of the inner tube is disposed within a proximal end of the inner shaft;

    a series of tangs cut through the outer tube and disposed radially inward to engage the proximal end of the inner tube;

    anda push component coaxially disposed on a proximal end of the outer tube comprising a push surface disposed coaxially on the push component, wherein the push component is proximal the pull grip and pull component.

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