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Torsion Constrained Stent Delivery System

  • US 20120109280A1
  • Filed: 10/21/2011
  • Published: 05/03/2012
  • Est. Priority Date: 10/28/2010
  • Status: Abandoned Application
First Claim
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1. A stent delivery system comprising:

  • an inner elongate shaft including a proximal portion, a distal portion, a lumen extending at least partially therethrough;

    an outer elongate shaft including a proximal portion, a distal portion, the outer elongate shaft coaxially positioned over at least a portion of the inner elongate shaft;

    the inner elongate shaft being rotatably positionable relative to the outer elongate shaft about a longitudinal axis from a first rotational position to a second rotational position;

    a stent having a proximal portion and a distal portion, the stent positioned on at least a portion of the inner elongate shaft, the stent having a constrained configuration and an expanded configuration;

    a proximal constraining member connected to a proximal portion of the stent;

    a distal constraining member connected to a distal portion of the stent;

    the proximal constraining member and the distal constraining member configured to cooperatively apply a torsional force to at least a portion of the stent in the constrained configuration with the inner and outer elongate shafts in the first rotational position.

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