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Heart valve bioprosthesis and manufacturing method thereof

  • US 10,470,879 B2
  • Filed: 03/02/2016
  • Issued: 11/12/2019
  • Est. Priority Date: 04/20/2015
  • Status: Active Grant
First Claim
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1. A heart valve bioprosthesis comprising a support frame, valve leaflets and a valve auxiliary structure, said valve leaflets are connected to the valve auxiliary structure, and said valve auxiliary structure is connected to the support frame;

  • whereinsaid valve leaflets are made from animal pericardium or porcine aortic valve leaflets;

    said valve auxiliary structure is made from animal pericardium and comprises a suture ring and a covering material, said covering material comprising an inner covering and an outer covering;

    wherein said support frame is placed within a space formed between the inner covering and the outer covering;

    said valve leaflets, said suture ring and said covering material are preset with suturing marks so that the distance between two adjacent suturing marks is 0.5-3 mm;

    wherein suturing along the suturing marks produces said heart valve bioprosthesis;

    said support frame is made of an elastic material; and

    said suture ring is for suturing to cardiac tissues.

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