Methods and apparatus for coupling an allograft tissue valve and graft
First Claim
1. A method of coupling an elongated vascular graft having a graft sidewall extending between graft proximal and distal ends with a prosthetic heart valve for replacement of a section of blood vessel and a native heart valve comprising:
- fitting an annular exterior surface of the prosthetic heart valve within a vascular graft lumen to dispose the vascular graft proximal end overlying the annular exterior surface; and
clamping the graft proximal end against at least a portion of the annular exterior surface without perforating the vascular graft to couple the vascular graft with the prosthetic heart during chronic implantation and to inhibit blood leakage through the proximal end of an elongated vascular graft.
1 Assignment
0 Petitions
Accused Products
Abstract
Improvements to prosthetic heart valves and grafts for human implantation, particularly to methods and apparatus for coupling a prosthetic heart valve with an artificial graft during a surgical procedure to replace a defective heart valve and blood vessel section, e.g., the aortic valve and a section of the ascending aorta, are disclosed. An annular exterior surface of the prosthetic heart valve is fitted within a vascular graft lumen to dispose the vascular graft proximal end overlying the annular exterior surface, and the proximal end of an elongated vascular graft is compressed against the valve annular exterior surface in a manner that inhibits blood leakage between the vascular graft and the prosthetic heart valve.
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Citations
66 Claims
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1. A method of coupling an elongated vascular graft having a graft sidewall extending between graft proximal and distal ends with a prosthetic heart valve for replacement of a section of blood vessel and a native heart valve comprising:
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fitting an annular exterior surface of the prosthetic heart valve within a vascular graft lumen to dispose the vascular graft proximal end overlying the annular exterior surface; and
clamping the graft proximal end against at least a portion of the annular exterior surface without perforating the vascular graft to couple the vascular graft with the prosthetic heart during chronic implantation and to inhibit blood leakage through the proximal end of an elongated vascular graft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. Apparatus for replacement of a section of blood vessel and a native heart valve comprising:
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a prosthetic heart valve having an annular exterior surface;
an elongated vascular graft having a graft sidewall enclosing a vascular graft lumen and extending between graft proximal and distal ends; and
means for clamping the graft proximal end against at least a portion of the annular exterior surface without perforating the vascular graft to couple the vascular graft with the prosthetic heart during chronic implantation and to inhibit blood leakage through the proximal end of an elongated vascular graft. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. Apparatus for replacement of a section of blood vessel and a native heart valve comprising:
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a prosthetic heart valve having an annular exterior surface;
an elongated vascular graft having a graft sidewall enclosing a vascular graft lumen and extending between graft proximal and distal ends; and
an expandable compression ring having a ring lumen adapted to be expanded from a first ring lumen diameter sized with respect to the annular exterior surface to a second ring lumen diameter enabling the fitting of the graft proximal end overlying the annular exterior surface within the expanded ring lumen, the compression ring adapted to apply compression force against the vascular graft proximal end and at least a portion of the annular exterior surface when the ring lumen diameter contracts from the second ring lumen diameter toward the first ring lumen diameter. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. Apparatus for replacement of a section of blood vessel and a native heart valve comprising:
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a prosthetic heart valve having an annular exterior surface;
an elongated vascular graft having a graft sidewall enclosing a vascular graft lumen and extending between graft proximal and distal ends, the graft distal end formed with a compression ring having a ring diameter adapted to fit over the annular exterior surface to enable application of a drawstring suture around the graft proximal end to compress the graft proximal end against the annular exterior surface of the prosthetic heart valve. - View Dependent Claims (60, 61, 62, 63, 66)
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64. Apparatus for replacement of a section of blood vessel and a native heart valve comprising:
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a prosthetic heart valve having an annular exterior surface;
an elongated vascular graft having a graft sidewall enclosing a vascular graft lumen and extending between graft proximal and distal ends, the graft distal end adapted to fit over the annular exterior surface; and
a slip ring having a slip ring diameter sized with respect to the annular exterior surface enabling the fitting of the graft proximal end overlying the annular exterior surface within the slip ring lumen, to enable application of a drawstring suture around the graft proximal end to compress the graft proximal end adjacent the slip ring against the annular exterior surface of the prosthetic heart valve. - View Dependent Claims (65)
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Specification