Heart valve bioprosthesis and manufacturing method thereof
First Claim
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.
1 Assignment
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Accused Products
Abstract
A heart valve bioprosthesis (100) and a manufacturing method thereof are provided. The heart valve bioprosthesis (100) comprises: a support frame (1), valve leaflets (2) and a valve auxiliary structure. The valve leaflets (2) are connected to the valve auxiliary structure, the valve auxiliary structure is connected to the support frame (1). Both the valve leaflets (2) and the valve auxiliary structure are made of biological tissues. The support frame (1) is formed as a single component with an elastic material, and the valve auxiliary structure is preset with suturing marks. The heart valve bioprosthesis improves the biocompatibility with the human body, reduces the total height of the valve, shortens the suturing time, and decreases the possibility of thrombus or bacterial attachment thereto. In addition, the heart valve bioprosthesis is made by a simple process, exhibit excellent compliance with the cardiac tissue, and has a prolonged service life.
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Citations
13 Claims
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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;
- wherein
said 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- wherein
Specification