METHODS AND CONDUITS FOR FLOWING BLOOD FROM A HEART CHAMBER TO A BLOOD VESSEL
7 Assignments
0 Petitions
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.
-
Citations
70 Claims
-
1-35. -35. (canceled)
-
36. A method of treatment, comprising:
-
placing a conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon implantation of the conduit a first end of the conduit is continuously open towards the left ventricle, a second end of the conduit is continuously open towards 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 lattice structure adjacent each of the first and second ends and extending therebetween 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 (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
-
-
48. A method of treatment, comprising:
placing a conduit adjacent a left ventricle and an arterial blood-containing vessel such that upon implantation a first end of the conduit is continuously open towards the left ventricle, a second end of the conduit is continuously open towards 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 lattice structure adjacent each of the first and second ends and extending therebetween 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 (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
-
61. A method of treatment, comprising:
-
introducing a catheter into an aorta, wherein a conduit having a tissue valve attached to the conduit is coupled to the catheter so that the conduit and valve are each in a compressed state;
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 the left ventricle, a proximalmost end of the conduit is continuously open towards 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 lattice structure adjacent each of the distalmost and proximalmost ends and extending therebetween 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 (62, 63, 64, 65, 66, 67, 68, 69, 70)
-
Specification