Bioprostethic valve
First Claim
Patent Images
1. A bioprosthetic heart valve comprising:
- a) a support ring having three spaced apart end stops projecting upwardly therefrom;
b) three spaced apart stent posts adapted to pivot outwardly relative to said support ring and to engage respective ones of said end stops for preventing inward pivoting thereof;
c) leaflet valve means formed from an aortic root and having three generally triangular leaflets defining respective cusps which are adapted to open and close during heart systole and diastole, respectively, said leaflets being joined at respective commissures adjacent said aortic root; and
d) means for attaching said leaflet valve means to said stent posts and said support ring.
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Accused Products
Abstract
A bioprosthetic valve comprising a support ring having three spaced apart end stops projecting upwardly therefrom, a stent post ring having three spaced apart stent posts pivotally connected thereto and adapted to engage respective ones of the end stops so as to permit outward pivoting of the stent posts and to prevent inward pivoting thereof, a leaflet valve having three generally triangular leaflets defining respective cusps, the leaflets being joined at respective commissures, and a sewing ring for attaching the leaflet valve to the stent post ring and support ring.
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Citations
21 Claims
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1. A bioprosthetic heart valve comprising:
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a) a support ring having three spaced apart end stops projecting upwardly therefrom; b) three spaced apart stent posts adapted to pivot outwardly relative to said support ring and to engage respective ones of said end stops for preventing inward pivoting thereof; c) leaflet valve means formed from an aortic root and having three generally triangular leaflets defining respective cusps which are adapted to open and close during heart systole and diastole, respectively, said leaflets being joined at respective commissures adjacent said aortic root; and d) means for attaching said leaflet valve means to said stent posts and said support ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A bioprosthetic valve comprising:
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a) a support ring having three spaced apart end stops projecting upwardly therefrom; b) three spaced apart stent posts adapted to pivot outwardly relative to said support ring and to engage respective ones of said end stops for preventing inward pivoting thereof; c) leaflet valve means having three generally triangular leaflets defining respective cusps which are adapted to open and close; and d) means for attaching said leaflet valve means to said stent posts and said support ring. - View Dependent Claims (13)
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14. A bioprosthetic heart valve comprising:
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a) a support ring having three spaced apart end stops projecting upwardly therefrom; b) three spaced apart stent posts adapted to pivot outwardly relative to said support ring and to engage respective ones of said end stops for preventing inward pivoting thereof; c) a stent post ring to which said stent posts are pivotally connected for pivoting movement, wherein said stent post ring is adapted to limit said outward pivoting of said stent posts to approximately 10°
from vertical;d) leaflet valve means formed from an aortic root and having three generally triangular leaflets defining respective cusps which are adapted to open and close during heart systole and diastole, respectively, said leaflets being joined at respective commissures adjacent said aortic root; and e) means for attaching said leaflet valve means to said stent posts and said support ring.
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15. A bioprosthetic heart valve comprising:
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a) a support ring having three spaced apart end stops projecting upwardly therefrom; b) three spaced apart stent posts adapted to pivot outwardly relative to said support ring and to engage respective ones of said end stops for preventing inward pivoting thereof; c) a stent post ring to which said stent posts are pivotally connected for pivoting movement; d) leaflet valve means formed from an aortic root and having three generally triangular leaflets defining respective cusps which are adapted to open and close during heart systole and diastole, respectively, said leaflets being joined at respective commissures adjacent said aortic root; and e) means for attaching said leaflet valve means to said stent posts and said support ring. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification