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BIOABSORBABLE TRACHEAL STENT, AND METHOD OF MANUFACTURING THEREOF
专利权人:
Subramanian Venkatraman
发明人:
Subramanian Venkatraman,Herr Cheun Anthony Ng,Yin Chiang Freddy Boey,Hsueh Yee Lynne Lim
申请号:
US14003738
公开号:
US20140072610A1
申请日:
2012.03.21
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A bioabsorbable tracheal stent is provided. The bioabsorbable stent comprises a biodegradable polymer, wherein the “ biodegradable polymer comprises about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof. A drug is dispersed within or dissolved in the biodegradable polymer. In a second and third aspect, the invention relates to methods of manufacturing a bioabsorbable tracheal stent. The first method includes forming a solution comprising a biodegradable polymer and a drug, the biodegradable polymer comprising about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof. The method further comprises casting the solution to form the bioabsorbable tracheal stent. The second method includes forming a polymeric stent, and dip casting the polymeric stent in a solution comprising a biodegradable polymer and a drug to form a coating on the polymeric stent, wherein the biodegradable polymer comprises about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof.
来源网站:
中国工程科技知识中心
来源网址:
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