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Delivery mechanism for implantable stent

  • US 8,852,266 B2
  • Filed: 10/16/2006
  • Issued: 10/07/2014
  • Est. Priority Date: 09/30/1998
  • Status: Active Grant
First Claim
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1. A delivery system comprising:

  • an elongated housing comprising;

    a passageway;

    a stationary ratchet on a first side;

    a movable ratchet on a second side directly opposite the first side; and

    a pinion engaging the movable ratchet;

    a movable member disposed within the passageway;

    an actuating means coupled to the housing for incrementally moving the movable member in a first direction;

    an outer sheath including a proximal end attached to the movable member;

    an inner tube extending through the outer sheath;

    a tip attached to the inner tube;

    a compressed reinforcing element surrounding the inner tube for maintaining a position of a stent during retraction of the outer sheath;

    a length between a distal end of the reinforcing element and the tip accommodating the stent;

    an abutment element attached to the distal end of the reinforcing element, the abutment element including an open end configured to engage a proximal end of a stent; and

    the outer sheath covering the length in a delivery configuration, the movable member configured to retract the outer sheath to uncover the length in a deployed configuration.

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