Medical implant
First Claim
Patent Images
1. An implantable medical device, comprising:
- a self-expanding tubular structure comprisingat least one strand comprising a first biodegradable material; and
a second biodegradable material at least partially conformally coating said strand;
wherein said tubular structure comprises a first diameter greater than 2.5 mm, and said tubular structure recovers to at least 90% of said first diameter after being crimped to a diameter that is less than 50% of said first diameter,wherein said first diameter is a manufactured diameter of said tubular structure.
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Abstract
Disclosed is a self-expanding medical implant for placement within a lumen of a patient. The implant comprises a woven or non-woven structure having a substantially tubular configuration, and is designed to be low-profile such that it is deliverable with a small diameter catheter. The implant has a high recoverability and desired mechanical properties.
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Citations
16 Claims
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1. An implantable medical device, comprising:
- a self-expanding tubular structure comprising
at least one strand comprising a first biodegradable material; and a second biodegradable material at least partially conformally coating said strand;
wherein said tubular structure comprises a first diameter greater than 2.5 mm, and said tubular structure recovers to at least 90% of said first diameter after being crimped to a diameter that is less than 50% of said first diameter,wherein said first diameter is a manufactured diameter of said tubular structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a self-expanding tubular structure comprising
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11. An implantable medical device, comprising:
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a self-expanding tubular structure comprising at least one strand comprising a first biodegradable polymer; and a second biodegradable polymer conformally coating said strand, said second polymer being a thermoset copolymer; wherein said tubular structure; comprises a first diameter greater than 4.5 mm; recovers to at least 90% of said first diameter after being crimped to a to a diameter that is less than 50% of said first diameter, and exerts a force against a blood vessel wall immediately after being implanted in said blood vessel, wherein said force decreases over time, and wherein said first diameter is a manufactured diameter of said tubular structure. - View Dependent Claims (12, 13)
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14. An implantable medical device, comprising:
- a self-expanding tubular structure comprising
at least one strand comprising a first biodegradable material; and a second biodegradable material at least partially conformally coating said strand;
wherein said tubular structure comprises a first diameter greater than 2.5 mm, and said tubular structure recovers to at least 90% of said first diameter after being crimped to a diameter that is less than 70% of said first diameter,wherein said first diameter is a manufactured diameter of said tubular structure. - View Dependent Claims (15)
- a self-expanding tubular structure comprising
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16. An implantable medical device, comprising:
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a self-expanding tubular structure comprising at least one strand comprising a first biodegradable polymer; and a second biodegradable polymer conformally coating said strand, said second polymer being a thermoset copolymer; wherein said tubular structure; comprises a first diameter greater than 4.5 mm; recovers to at least 90% of said first diameter after being crimped to a to a diameter that is less than 70% of said first diameter, and exerts a force against a blood vessel wall immediately after being implanted in said blood vessel, wherein said force decreases over time, and wherein said first diameter is a manufactured diameter of said tubular structure.
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Specification