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Suture ring for heart valve prosthesis

  • US 5,178,633 A
  • Filed: 04/21/1992
  • Issued: 01/12/1993
  • Est. Priority Date: 04/21/1992
  • Status: Expired due to Fees
First Claim
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1. A suture ring for supporting a heart valve prosthesis having a valve body with an outer circumferential surface and an annular groove formed in said surface, the suture ring comprising:

  • a stiffening ring, having first and second axial ends, mounted in surrounding relationship about said valve body at said annular groove of said valve body, said stiffening ring including a tapered outer surface section;

    a resilient ring positioned about the outer circumferential surface of said valve body proximate said first end of said stiffening ring;

    a fabric tube, having a mesh weave and first and second axial ends, covering said stiffening ring and said resilient ring, and interposed between said resilient ring and said stiffening ring;

    a first fastener band frictionally engaging said fabric tube between said first fastener band and said outer circumferential surface of said valve body proximate to said first end of said stiffening ring;

    a second fastener band frictionally engaging said fabric tube between said outer circumferential surface of said valve body proximate to said second end of said stiffening ring;

    first attachment means for attaching said first end of said fabric tube to a first location along said tube; and

    second attachment means for attaching said second end of said tube to a second location along said tube.

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