Graft systems having filling structures supported by scaffolds and methods for their use
First Claim
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1. A system for treating an aneurysm in a blood vessel, said system comprising:
- at least a first double-walled filling structure having an outer wall and an inner wall, wherein said filling structure is adapted to be filled with a hardenable fluid filling medium so that the outer wall conforms to the inside surface of the aneurysm and the inner wall forms a first generally tubular lumen to provide a path for blood flow; and
at least a first scaffold separate from the first filling structure which can be expanded within at least a portion of the tubular lumen of the filling structure.
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Abstract
Aneurysms are treated by filling at least one double-walled filling structure with a curable medium within the aneurysm. The filling structures may be delivered over balloon deployment mechanisms in order to shape and open tubular lumens therethrough. Scaffolds are placed into the tubular lumens in order to help maintain the shape, anchor the filling structures in place, and provide improved blood flow transition into and out of the tubular lumens.
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Citations
107 Claims
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1. A system for treating an aneurysm in a blood vessel, said system comprising:
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at least a first double-walled filling structure having an outer wall and an inner wall, wherein said filling structure is adapted to be filled with a hardenable fluid filling medium so that the outer wall conforms to the inside surface of the aneurysm and the inner wall forms a first generally tubular lumen to provide a path for blood flow; and
at least a first scaffold separate from the first filling structure which can be expanded within at least a portion of the tubular lumen of the filling structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A method for treating an aneurysm, said method comprising:
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positioning at least a first double-walled filling structure across the aneurysm;
filling the at least first filling structure with a fluid filling medium so that an outer wall conforms to an inside surface of the aneurysm and an inner wall forms a first generally tubular lumen to provide a first blood flow path across the aneurysm; and
placing at least a first scaffold within at least a portion of the first generally tubular lumen. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107)
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Specification