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Heart valve prosthesis

  • US 7,578,843 B2
  • Filed: 04/01/2003
  • Issued: 08/25/2009
  • Est. Priority Date: 07/16/2002
  • Status: Expired due to Fees
First Claim
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1. A heart valve prosthesis comprising:

  • an annular valve body comprising a frame and a suturing ring, the frame including at least one outwardly extending annular flange adjacent to the suturing ring;

    a band comprising at least one inwardly extending annular flange that is capable of engagement with the annular flange of the frame such that a tortuous path is formed between the annular flange of the frame and the annular flange of the band that can engage and restrain a suture placed therein;

    at least one split portion on the band adapted to lock the band in engagement with the flange of the frame;

    wherein the split portion includes two split ends defining a split extending through a radial width of the band;

    wherein the split ends are spreadable relative to one another and are secured by a restraint mechanism; and

    wherein the restraint mechanism includes a suture.

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