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US 8,137,396 B2Granted
Medical implant
Assignee480 Biomedical, Inc.
InventorsRany Busold, Chang cheng You, Daniel Concagh, Lee Core, Kicherl Ho, Maria Palasis, Upma Sharma, Greg Zugates
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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.
Claims10
An implantable medical device, comprising:
- a self-expanding tubular structure comprising
- at least one biodegradable strand comprising poly(lactic acid-co-glycolic acid) comprising at least about 75 weight percent of lactic acid;
- and
- poly(lactic acid-co-caprolactone) at least partially coating said strand;
- wherein said poly(lactic acid-co-caprolactone) is crosslinked and has a number average molecular weight (Mn) greater than about 30,000 Da;
- wherein said poly(lactic acid-co-caprolactone) increases the mass of said self-expanding tubular structure by at least about 24 percent;
- wherein said self-expanding tubular structure is a braided structure comprising between 16 and 48 strands forming an average braid angle of between about 110 degrees and about 135 degrees.
4 more elements
Dependencies are inferred from the claim text.