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Multi-stent delivery system

  • US 8,012,192 B2
  • Filed: 02/18/2004
  • Issued: 09/06/2011
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
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1. A catheter assembly comprising:

  • a catheter, the catheter comprising a catheter shaft;

    a first rotatable sheath, the first rotatable sheath including a radial outer surface and a radial inner surface, the first rotatable sheath being disposed about and rotatable relative to a portion of the catheter shaft, the first rotatable sheath having a length substantially less than that of the catheter shaft, the first rotatable sheath being expandable from a reduced sheath state to an expanded sheath state, in the reduced sheath state the first sheath being rotatable about the portion of the catheter shaft;

    a first guidewire housing, the first guidewire housing defining a first guidewire lumen for passage of a first guidewire therethrough, at least a portion of the first guidewire housing being engaged to the radial outer surface of the first rotatable sheath;

    a first stent, the first stent being expandable from a reduced stent state to an expanded stent state, in the reduced stent state the stent being disposed about at least a portion of the first rotatable sheath and at least a portion of the first guidewire housing; and

    a second stent, the second stent being expandable from a reduced stent state to an expanded stent state, in the reduced stent state the second stent being disposed about the catheter shaft adjacent to the first stent.

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