METHODS AND CONDUITS FOR FLOWING BLOOD FROM A HEART CHAMBER TO A BLOOD VESSEL
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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
35 Claims
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1-34. -34. (canceled)
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35. A conduit for implantation in a body, the conduit comprising:
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an expandable, vascularly deliverable, hollow rigid tube having an interior and an exterior and configured to be positioned between and extending into at least one of a blood vessel and a heart chamber; and a section of tissue positioned within said interior of the tube between respective first and second ends of the tube, and configured to allow blood to flow therethrough, wherein the section of tissue includes at least one valve operable to restrict flow through the conduit from the blood vessel to the heart chamber during diastole.
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Specification