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생분해성 탄성 호일과 치료제로 피복된 클래드 방사선 불투과성 섬유로 이루어진 자체-팽창형 생분해성 스텐트 및 이들의 제조 방법
专利权人:
ELLA-CS; S.R.O.
发明人:
RECMAN LUKAS,레크만, 루카스,SEDMIKOVA BARBORA,세드미코바, 바보라
申请号:
KR1020147007892
公开号:
KR1020140057357A
申请日:
2011.08.26
申请国别(地区):
KR
年份:
2014
代理人:
摘要:
itself - as an expandable biodegradable stent, the core of the fiber is added to the polymer containing the X-ray opaque filler or coated with a polymer, or - Receive service X-ray impermeable material uniformly dispersed in the polymer fiber core, or - A polymer fiber core is coated with X-ray impermeable material is uniformly dispersed polymer, - Fibers that are twisted to form a complete primary structure of the stent may also be coated with a polymer dispersion and the X-ray opaque fillers, and the coating encapsulating the active material to form a biodegradable foil provided on the basic structure of the stent, the The active material is selected from the group of materials including medicaments, proteins, enzymes, genes, stem cell or a radioactive material used in the topical treatment of tumors. Self-expansible A method of manufacturing a biodegradable stent, the method comprising coating a core containing a polymer fiber with the addition of X-ray opaque filler polymer, or - A step in which the core polymer fiber X-ray impermeable material is uniformly dispersed, or - A step of coating a polymer core fibers in the x-ray impermeable material is uniformly dispersed polymer, - And then coating the twisted fiber to form a complete primary structure of the stent and the polymer dispersion in the X-ray opaque fillers to provide a biodegradable foil the basic structure of the stent, the active substance is encapsulated in the foil, in a step X-ray opaque filler undergoes a heat treatment is provided with the stent, and then coated with a biodegradable elastic foil made of a X-ray opaque fibers containing a first medicament, and in this way is manufactured, the stent undergoes a second heat treatment , and a different addition of a thinner foil as a step in a biodegradable coating again comprising a second medicament.자체-팽창형 생분해성 스텐트로서, 엑스선 불투과성 필러를 함유하는 코어 중합체 섬유가 추가의 중합체로 피복되거나, 또는- 상기 중합체 코어 섬유에 균일하게 분산된 엑스선 불투과성 물질을 제공받거나, 또는- 중합체 코어 섬유가 엑스선 불투과성 물질이 균일하게 분산된 중합
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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