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생분해성 약물전달 필름을 구비하는 생분해성 스텐트
专利权人:
发明人:
박정의,김문석,김용년
申请号:
KR1020110118176
公开号:
KR1012730340000B1
申请日:
2011.11.14
申请国别(地区):
KR
年份:
2013
代理人:
摘要:
The present invention relates to a biodegradable stent comprising a biodegradable drug delivery film. A biodegradable stent having a biodegradable drug delivery film of an embodiment of the present invention is extensible in the radial direction and a plurality of expansion strut connection is disposed in a zigzag form, the connection with each other a plurality of expansion struts in the longitudinal direction and the diameter including a plurality of struts and joints can expand and contract in the direction, of the body after a period of time in the blood vessel or lumen of the expanded stent is a cylindrical portion that is open at both ends is made of a biodegradable material is decomposed, surrounding the stent expansion portion provided and the plurality of fine holes are formed, and includes a film made of a biodegradable material is decomposed within a short period of time, the period the decomposition scalability stent portion. According to the present invention is a biodegradable vascular stent drug delivery film provided on the surface which is expanded within a blood vessel extending in the radial direction along the stent extend out away from the bloodstream are many clots of blood vessel wall when the stent is expanded by being in close contact with the blood vessel wall can be prevented from moving, when the blood vessel during stent expansion within the blood vessel from being damaged film and / or the drug loading and release of the stent continuously formed at the same time a plurality of micro holes to prevent blood clots generated in a blood vessel and the blood vessel stricture Biodegradable film can be consumed safely in my veins to ensure that the film and the stent after the stent is first decomposed decomposition.본 발명은 생분해성 약물전달 필름을 구비하는 생분해성 스텐트에 관한 것이다. 본 발명의 일실시예의 생분해성 약물전달 필름을 구비하는 생분해성 스텐트는 직경방향으로 확장가능하고 지그재그형으로 연결되어 배치된 복수 개의 신축 스트러트와, 상기 복수 개의 신축 스트러트를 길이방향으로 서로 연결하며 직경방향으로 신축가능한 복수 개의 스트러트 이음부를 포함하고, 인체의 내강 또는 혈관 내에서 일정 기간 후에는 분해되는
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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