Heart valve catheter
First Claim
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1. A medical device, comprising:
- an elongated catheter having a proximal portion and a distal portion;
at least one needle disposed within said elongated catheter, said at least one needle having a slot formed along a needle length with a first opening and a second opening; and
a fastener ejectable from said at least one needle, wherein said fastener includes a first end and a second end, said first end capable of ejecting from said first opening and said second end capable of ejecting from said second opening to fasten a body tissue pierced by said at least one needle.
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Abstract
A medical device and method for treating a heart valve. In one embodiment, the medical device has a catheter, at least one needle disposed within the catheter, and a nonadjustable fastener ejectable from the needle.
522 Citations
55 Claims
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1. A medical device, comprising:
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an elongated catheter having a proximal portion and a distal portion;
at least one needle disposed within said elongated catheter, said at least one needle having a slot formed along a needle length with a first opening and a second opening; and
a fastener ejectable from said at least one needle, wherein said fastener includes a first end and a second end, said first end capable of ejecting from said first opening and said second end capable of ejecting from said second opening to fasten a body tissue pierced by said at least one needle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A percutaneous mitral valve device, comprising:
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a catheter having a proximal portion, a steerable distal portion, and a portion adapted to be disposed through an aortic valve;
at least one needle extendable from said distal portion, said at least one needle having a slot formed along an elongated central portion with a first opening and a second opening; and
a fastener ejectable from said at least one needle, wherein said fastener includes a first end and a second end, said first end capable of ejecting from said first opening and said second end capable of ejecting from said second opening to fasten a first mitral valve leaflet to a second mitral valve leaflet. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A percutaneous mitral valve device, comprising:
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a catheter having a proximal portion and a steerable distal portion;
a first stabilizer extendable from said distal portion, said first stabilizer adapted to hold a first mitral valve leaflet;
a second stabilizer extendable from said distal portion, said second stabilizer adapted to hold said second a second mitral valve leaflet;
a needle extendable from said distal portion, said needle having a slot formed along a needle length with a first opening and a second opening; and
a fastener ejectable from said first needle, wherein said fastener includes a first end and a second end, said first end capable of ejecting from said first opening and said second end capable of ejecting from said second opening to fasten said first mitral valve leaflet to said second mitral valve leaflet. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A percutaneous mitral valve device, comprising:
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a catheter having a proximal portion and a steerable distal portion;
a first needle extendable from a housing disposed near said distal portion;
a second needle extendable from said distal portion housing, wherein said housing forms a lumen extending into a first opening for said first needle and a second opening for said second needle, said lumen having a central portion extending between said first opening and said second opening; and
a fastener having a first end capable of ejecting from said first needle and a second end capable of ejecting from said second needle, wherein said first needle is adapted to penetrate a first mitral valve leaflet and said second needle is adapted to penetrate said second mitral valve leaflet, and wherein said fastener, having a nonadjustable length, fastens said first mitral valve leaflet to said second mitral valve leaflet. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. A method of treating a mitral valve, the method comprising:
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locating said mitral valve percutaneously;
ejecting a first end of a fastener from a first slot of a needle through a first leaflet of said mitral valve; and
ejecting a second end of a fastener from a second slot of said needle through a second leaflet of said mitral valve. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47)
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48. A medical device to treat a mitral valve, comprising:
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means for locating said mitral valve percutaneously;
means for ejecting a first end of a fastener from a first slot of a needle through a first leaflet of said mitral valve; and
means for ejecting a second end of said fastener from a second slot of said needle through a second leaflet of said mitral valve. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55)
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Specification