Methods and conduits for flowing blood from a heart chamber to a blood vessel
First Claim
Patent Images
1. A method of treatment, comprising:
- placing a conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon placement of the conduit a first end of the conduit is continuously open towards and facing the left ventricle, a second end of the conduit is continuously open towards, facing, and positioned in the arterial blood-containing vessel, and at least a portion of the first open end faces at least a portion of the second open end;
wherein the conduit includes a substantially tubular structure at each of the first and second ends, and wherein a valve is attached to the conduit within an interior of the conduit between the first and second ends to control a backflow of blood from the arterial blood-containing vessel to the left ventricle during diastole.
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Accused Products
Abstract
Disclosed is a conduit that provides a bypass around an occlusion or stenosis in a coronary artery. The conduit is a tube adapted to be positioned in the heart wall to provide a passage for blood to flow between a heart chamber and a coronary artery, at a site distal to the occlusion or stenosis. The conduit has a section of blood vessel attached to its interior lumen which preferably includes at least one naturally occurring one-way valve positioned therein. The valve prevents the backflow of blood from the coronary artery into the heart chamber.
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Citations
71 Claims
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1. A method of treatment, comprising:
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placing a conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon placement of the conduit a first end of the conduit is continuously open towards and facing the left ventricle, a second end of the conduit is continuously open towards, facing, and positioned in the arterial blood-containing vessel, and at least a portion of the first open end faces at least a portion of the second open end; wherein the conduit includes a substantially tubular structure at each of the first and second ends, and wherein a valve is attached to the conduit within an interior of the conduit between the first and second ends to control a backflow of blood from the arterial blood-containing vessel to the left ventricle during diastole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of treatment, comprising:
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placing a conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon placement of the conduit a first end of the conduit is continuously open towards and facing the left ventricle, a second end of the conduit is continuously open towards, facing, and positioned in the arterial blood-containing vessel, and a substantially straight line intersects at least a portion of the first end and at least a portion of the second end; wherein the conduit includes a substantially tubular structure adjacent each of the first and second ends, and wherein a valve is attached to the conduit within an interior of the conduit between the first and second ends to control a backflow of blood from the arterial blood-containing vessel toward the left ventricle during diastole. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of treatment, comprising:
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introducing a catheter into an aorta, wherein a metal, expandable conduit having a tissue valve attached to the conduit is coupled to the catheter so that the conduit and the valve are each in a compressed state; and implanting the conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon implantation a distalmost end of the conduit is continuously open towards and facing the left ventricle, a proximalmost end of the conduit is continuously open towards, facing, and positioned in the arterial blood-containing vessel, and at least a portion of the distalmost open end faces at least a portion of the proximalmost open end; wherein the conduit includes a substantially tubular structure adjacent each of the distalmost and proximalmost ends and between the distalmost and proximalmost ends, and the valve is attached to the conduit within an interior of the conduit between the distalmost and proximalmost ends to control a backflow of blood from the arterial blood-containing vessel toward the left ventricle during diastole. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38)
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39. An implantable prosthesis, comprising:
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a self-expandable, metal conduit having an interior and an exterior, the conduit configured to be, upon implantation, positioned between an arterial blood containing vessel and a left ventricle such that a first end of the conduit is continuously open towards and facing the left ventricle, a second end of the conduit is continuously open towards, facing, and positioned in the arterial blood containing vessel, and at least a portion of the first end faces at least a portion of the second end, wherein the conduit has a substantially tubular structure at each of the first and second ends; and a tissue valve attached to the conduit within the interior of the conduit between the first and second ends, the valve being configured to permit fluid flow from the left ventricle to the blood vessel and restrict fluid flow from the blood vessel to the left ventricle. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. An implantable prosthesis, comprising:
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a self-expandable hollow metal conduit having an interior and an exterior, the conduit configured to be, upon implantation, positioned between an arterial blood containing vessel and a left ventricle such that a first end of the conduit is continuously open and facing the left ventricle, a second end of the conduit is continuously open, facing, and positioned in the arterial blood containing vessel, wherein the conduit has a substantially straight longitudinal axis between the first and second ends, and wherein the conduit has a substantially tubular structure at each of the first and second ends; and a tissue valve attached to the conduit within the interior of the conduit between the first and second ends, the valve being configured to permit fluid flow from the left ventricle to the blood vessel and restrict fluid flow from the blood vessel to the left ventricle. - View Dependent Claims (63, 64, 65, 66)
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67. An implantable prosthesis, comprising:
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a self-expandable hollow metal conduit having an interior and an exterior, the conduit configured to be positioned between an arterial blood containing vessel and a left ventricle such that a first end of the conduit is continuously open and facing the left ventricle, a second end of the conduit is continuously open, facing, and positioned in the arterial blood containing vessel, wherein a substantially straight line intersects at least a portion of the first end of the conduit and at least a portion of the second end of the conduit, and wherein the conduit has a substantially tubular structure at each of the first and second ends; and a tissue valve attached to the conduit within the interior of the conduit between the first and second ends, the valve being configured to permit fluid flow from the left ventricle to the blood vessel and restrict fluid flow from the blood vessel to the left ventricle. - View Dependent Claims (68, 69, 70, 71)
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Specification