Rabin & Berdo, P.C.
Solid-state drawing method for preparing a surgical suture or a biodegradable stent
A solid-state drawing method for preparing a surgical suture or a biodegradable stent having improved flexibility and mechanical strength. The method for preparing a biodegradable stent includes (a) providing a biodegradable filament that comprises a material which is biodegradable; (b) solid-state drawing the biodegradable filament to provide a drawn biodegradable filament; (c) shaping the drawn biodegradable filament to provide a shaped biodegradable filament; and (d) annealing the shaped biodegradable filament to provide the biodegradable stent, wherein the biodegradable filament has a draw ratio that ranges from 1.1 to 5.0; and wherein the draw ratio is calculated by Equation 1 below: Draw ratio=(LSSD/LO)2,     
Korea Institute of Science and Technology
A A B A A A D D A D A A A B
A61L A61L B29C A61L A61L A61F D02J D02J A61F D02J A61L A61F A61F B29C
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Soo Hyun Seung Hyuk Young Mee
Kim Im Jung