Heart valve repair system
First Claim
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1. A method for use with a heart valve of a patient, the heart valve including at least two leaflets, the method comprising:
- delivering, to a first side of the heart valve, a support, having a leaflet-engaging side;
delivering, to a second side of the heart valve, a plurality of leaflet-piercing elements, wherein one of the first and the second sides of the heart valve is an upstream side of the heart valve, and the other of the first and the second sides of the heart valve is a downstream side of the heart valve;
piercing the leaflets of the valve, from the second side to the first side of the valve, with the leaflet-piercing elements; and
coupling the support to the leaflets by coupling the leaflet-piercing elements to the support, such that the support overlaps more than one leaflet,wherein delivering the leaflet-piercing elements comprises delivering, to the second side of the valve, a securing element that includes (1) a core, (2) two or more arms, an inner end of each arm being coupled to the core, and the arms extending radially outward from the core, and (3) the leaflet-piercing elements, coupled to respective outer ends of each arm.
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Abstract
Techniques are described for use with one or more sutures. For some applications, techniques are described for fixedly-coupling two or more sutures to each other. For some applications, such techniques are used for treating a heart valve of a subject. Techniques are also described for treating a heart valve of a subject by coupling leaflets of the heart valve to a support using tissue-piercing elements. Other embodiments are also described.
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Citations
26 Claims
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1. A method for use with a heart valve of a patient, the heart valve including at least two leaflets, the method comprising:
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delivering, to a first side of the heart valve, a support, having a leaflet-engaging side; delivering, to a second side of the heart valve, a plurality of leaflet-piercing elements, wherein one of the first and the second sides of the heart valve is an upstream side of the heart valve, and the other of the first and the second sides of the heart valve is a downstream side of the heart valve; piercing the leaflets of the valve, from the second side to the first side of the valve, with the leaflet-piercing elements; and coupling the support to the leaflets by coupling the leaflet-piercing elements to the support, such that the support overlaps more than one leaflet, wherein delivering the leaflet-piercing elements comprises delivering, to the second side of the valve, a securing element that includes (1) a core, (2) two or more arms, an inner end of each arm being coupled to the core, and the arms extending radially outward from the core, and (3) the leaflet-piercing elements, coupled to respective outer ends of each arm. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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3. A method for use with a heart valve of a patient, the heart valve including at least two leaflets, the method comprising:
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delivering, to a first side of the heart valve, a support that comprises a braided wire mesh and has a leaflet-engaging side; delivering, to a second side of the heart valve, a plurality of leaflet-piercing elements, wherein one of the first and second sides of the heart valve is an upstream side of the heart valve, and the other of the first and the second sides of the heart valve is a downstream side of the heart valve; piercing the leaflets of the valve, from the second side to the first side of the valve, with the leaflet-piercing elements; and coupling the support to the leaflets by coupling the leaflet-piercing elements to the support, such that the support overlaps more than one leaflet. - View Dependent Claims (10, 22, 23, 24, 25, 26)
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Specification