Efficient implantation of heart valve prostheses
First Claim
1. A method for attaching a heart valve prosthesis in a patient, the method comprising:
- providing a fastener having a head and a sharp tip, a prosthesis, and a separate reinforcement, the reinforcement comprising a first leg and a second leg connected together with a top portion;
positioning the prosthesis comprising leaflets with a plurality of commissure supports separated by a plurality of scallops in a selected position proximate an aortic wall, a root, or a pulmonary artery wall;
positioning the reinforcement along an inner surface of at least one of the commissure supports, wherein the reinforcement has at least one aperture, wherein an end of the first leg extends to a first scallop and an end of the second leg extends to a second scallop, wherein the reinforcement is configured to be positioned proximate a curved outflow edge of the at least one commissure supports; and
inserting the tip of the fastener through the at least one aperture in the reinforcement, the prosthesis and the aortic wall or root or the pulmonary artery wall to attach the heart valve prosthesis in a patient.
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Accused Products
Abstract
Tools can be used to assist with the implantation of heart valve prostheses, especially stentless aortic heart valve prostheses. In some embodiments, a heart valve prosthesis includes a plurality of flexible leaflets, a commissure support and a plurality of fasteners inserted into the inner surface of the commissure support and protruding from the outer surface of the commissure support. The fasteners comprise an elongated portion and a tip at an end of the elongated portion. In other embodiments, a heart valve prosthesis includes a plurality of flexible leaflets and a reinforcement secured to an inner surface of a valve commissure support. The reinforcement has an aperture. The heart valve prosthesis and fastener components can be placed into kits. The fasteners can be used to perform improved implantation procedures.
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Citations
20 Claims
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1. A method for attaching a heart valve prosthesis in a patient, the method comprising:
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providing a fastener having a head and a sharp tip, a prosthesis, and a separate reinforcement, the reinforcement comprising a first leg and a second leg connected together with a top portion; positioning the prosthesis comprising leaflets with a plurality of commissure supports separated by a plurality of scallops in a selected position proximate an aortic wall, a root, or a pulmonary artery wall; positioning the reinforcement along an inner surface of at least one of the commissure supports, wherein the reinforcement has at least one aperture, wherein an end of the first leg extends to a first scallop and an end of the second leg extends to a second scallop, wherein the reinforcement is configured to be positioned proximate a curved outflow edge of the at least one commissure supports; and inserting the tip of the fastener through the at least one aperture in the reinforcement, the prosthesis and the aortic wall or root or the pulmonary artery wall to attach the heart valve prosthesis in a patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for attaching a heart valve prosthesis in a patient, the method comprising:
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providing a separate reinforcement having at least one aperture, the reinforcement comprising a first leg and a second leg connected together with a top portion; providing a fastener having a head and a sharp tip; inserting the fastener through the at least one aperture in the reinforcement; positioning a prosthesis comprising leaflets with a plurality of commissure supports separated by a plurality of scallops in a selected position proximate an aortic wall, a root, or a pulmonary artery wall; positioning the reinforcement along an inner surface of at least one of the commissure supports, wherein an end of the first leg extends to a first scallop and an end of the second leg extends to a second scallop, wherein the reinforcement is configured to be secured proximate a curved outflow edge of the commissure supports; and inserting the tip of the fastener through the prosthesis and through an aortic wall or root or a pulmonary artery wall to attach the heart valve prosthesis to a patient. - View Dependent Claims (15, 16, 17)
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18. A method for attaching a heart valve prosthesis in a patient, the method comprising:
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providing a fastener having a head and a sharp tip, a prosthesis, and a separate reinforcement, the reinforcement comprising a first leg and a second leg connected together with a top portion; positioning the prosthesis comprising leaflets with valve commissure supports separated by a plurality of scallops in a selected position proximate an aortic wall, a root, or a pulmonary artery wall; positioning the reinforcement along an outer surface of the prosthesis, the reinforcement having at least one aperture, wherein an end of the first leg extends to a first scallop and an end of the second leg extends to a second scallop, wherein the reinforcement is configured to be proximate a curved outflow edge of the prosthesis; inserting the tip of the fastener through the prosthesis, the at least one aperture in the reinforcement, and through an aortic wall or root or a pulmonary artery wall to attach the heart valve prosthesis to the patient. - View Dependent Claims (19, 20)
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Specification