Method to minimize molecular weight drop of poly(L-lactide) stent during processing
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United States of America Patent
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Mar 8, 2016
Grant Date -
Feb 26, 2015
app pub date -
Oct 31, 2014
filing date -
Sep 14, 2009
priority date (Note) -
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Abstract
A method to reduce or minimize the reduction in molecular weight of a stent during processing is disclosed. The stent has a scaffolding including a polymer formulation comprising PLLA and polymandelide. The polymandelide reduces the molecular weight drop during processing, particularly during sterilization. The stent scaffolding can further include one or more additional stabilizing agents that additionally reduce the molecular weight drop during processing.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
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