US2016067389A1PendingUtilityA1

Biodegradable endoprostheses and methods for their fabrication

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Assignee: ELIXIR MEDICAL CORPPriority: Jan 19, 2007Filed: Nov 18, 2015Published: Mar 10, 2016
Est. expiryJan 19, 2027(~0.5 yrs left)· nominal 20-yr term from priority
Inventors:Xiaoxia ZhengJohn YanVinayak Bhat
C08G 63/08A61F 2230/0013A61L 31/14A61F 2/915A61F 2210/00A61F 2002/823Y10T428/13A61P 9/10Y10T428/139A61F 2/82A61L 31/06A61F 2002/825C08L 67/04A61F 2250/0036Y10T428/1352A61L 31/148
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Claims

Abstract

Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . An expandable stent, comprising:
 a biodegradable polymeric material having an initial configuration, said expandable stent being expandable to a larger configuration without fracture.

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