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Kit enabling a prosthetic valve to be placed in a body enabling a prosthetic valve to be put into place in a duct in the body

  • US 7,252,682 B2
  • Filed: 07/04/2002
  • Issued: 08/07/2007
  • Est. Priority Date: 07/04/2001
  • Status: Expired due to Term
First Claim
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1. A prosthetic valve assembly comprising:

  • an implantable prosthetic valve;

    a radially expandable stent comprising at least one expandable zone that is configured, in an expanded state, to bear against a wall of the native body lumen in a manner so as to resist migration; and

    means for mounting the valve on the stent such that, when expanded, the valve is positioned outside of the zone;

    wherein the mounting means is configured such that the valve is axially movable with respect to the stent between a position of non-implantation outside the first zone to be expanded, and a position of implantation, which it can reach after expansion of the stent, in which it is immobilized axially with respect to the stent; and

    wherein the mounting means comprises at least one band integrated in the peripheral wall of the valve and having a shape memory, so that it keeps the valve pressed against the stent in the position of implantation of this valve.

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