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DEVICES AND METHODS FOR CONTROLLING EXPANDABLE PROSTHESES DURING DEPLOYMENT

  • US 20140018899A1
  • Filed: 07/15/2013
  • Published: 01/16/2014
  • Est. Priority Date: 03/22/2007
  • Status: Active Grant
First Claim
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1. A catheter for delivering a prosthesis to a treatment site in a body lumen, the catheter comprising:

  • an elongate flexible member having a proximal end and a distal end;

    a sheath slidably disposed over the elongate flexible member;

    a plurality of self-expanding tubular prostheses carried in axially spaced-apart locations along the elongate flexible member and within the sheath, the plurality of self-expanding tubular prostheses adapted to be selectively interlocked with one another and constrained by the sheath in a radially contracted configuration, the prostheses being separately releasable from the sheath as the sheath is retracted relative to the elongate flexible member; and

    a pusher member slidably disposed along the elongate flexible member within the sheath, the pusher member adapted to move past the prostheses in a first direction, while in a second direction the pusher member engages a selected prosthesis so as to move the prosthesis with the pusher member to interlock the selected prosthesis with a second prosthesis.

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