Endoprosthesis that can be percutaneously implanted in the patient's body
First Claim
1. Endoprosthesis in the form of an elongated hollow structure that can be implanted percutaneously with a catheter -in a blood vessel or other cavity of the body and once correctly positioned will expand from an initial state with a narrow lumen into a state with a lumen that is as wide as its placement will allow, characterized by a lining (12 &
-
13, 21, 22, 25, &
26, or 42 &
43) of a wrapping material that deforms plastically without fissuring as it expands from the state with the narrow lumen to the state with the wide lumen and that is impregnated with at least one medication that will gradually and preferably at a uniform rate be released to the patient once the prosthesis (10, 20, 30, or 40) is in place.
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Abstract
An endoprosthesis in the form of an elongated hollow structure that can be implanted percutaneously with a catheter in a blood vessel or other cavity of the body and once correctly positioned will expand from an initial state with a narrow lumen into a state with a lumen that is as wide as its placement will allow. It has a lining of a wrapping material that deforms plastically without fissuring as it expands from the state with the narrow lumen to the state with the wide lumen. Another embodiment is a stent with a wrinkled lining that smoothes out as the stent expands. The lining is impregnated with at least one medication that will gradually and preferably at a uniform rate be released to the patient once the prosthesis is in place.
91 Citations
32 Claims
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1. Endoprosthesis in the form of an elongated hollow structure that can be implanted percutaneously with a catheter -in a blood vessel or other cavity of the body and once correctly positioned will expand from an initial state with a narrow lumen into a state with a lumen that is as wide as its placement will allow, characterized by a lining (12 &
-
13, 21, 22, 25, &
26, or 42 &
43) of a wrapping material that deforms plastically without fissuring as it expands from the state with the narrow lumen to the state with the wide lumen and that is impregnated with at least one medication that will gradually and preferably at a uniform rate be released to the patient once the prosthesis (10, 20, 30, or 40) is in place. - View Dependent Claims (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)
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13, 21, 22, 25, &
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2. Endoprosthesis in the form of an elongated hollow structure or stent that can be implanted percutaneously with a catheter in a blood vessel or other cavity of the body and once correctly positioned will expand from an initial state with a narrow lumen into a state with a lumen that is as wide as its placement will allow, characterized by a wrinkled lining (12 &
-
13, 21, 22, 25, &
26, or 42 &
43) around the as yet unexpanded stent that smoothes out as the stent expands from the state with the narrow lumen to the state with the wide lumen and that is impregnated with at least one medication that will gradually and preferably at a uniform rate be released to the patient once the prosthesis (10, 20, 30,or 40) is in place.
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13, 21, 22, 25, &
Specification