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Self-expanding stent delivery system

  • US 6,077,295 A
  • Filed: 07/15/1996
  • Issued: 06/20/2000
  • Est. Priority Date: 07/15/1996
  • Status: Expired due to Term
First Claim
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1. A catheter assembly comprising:

  • an elongated catheter having a proximal end and a distal end;

    the catheter having an inner member and an outer member extending along a longitudinal axis, the inner member and the outer member having a coaxial configuration and dimensioned for relative axial movement;

    means for providing relative axial movement between the inner member and the outer member;

    a self-expanding stent having an open lattice structure configured to be biased from a delivery configuration having a reduced cross section and a predetermined length to an open configuration with an enlarged cross section and being positioned within a distal end of the outer member in the delivery configuration; and

    a plurality of attachment projections at a distal end of the inner member spaced along the stent a distance at least as great as the predetermined length for facilitating the removable attachment of the stent to the inner member distal end.

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