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IMPLANT DE DISPOSITIF MÉDICAL EN ALLIAGE À BASE DE FER ABSORBABLE
专利权人:
Lifetech Scientific (Shenzhen) Co.; Ltd.
发明人:
申请号:
EP16883064.4
公开号:
EP3400970A1
申请日:
2016.06.27
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
An absorbable iron-based alloy medical device implant, comprising an iron-based alloy substrate (11) and a degradable polymer (13) provided on a surface of an iron-based alloy substrate (11), and a zinc-containing protective member (12) provided on the surface of the iron-based alloy substrate (11). The zinc-containing protective member (12) is either a zinc compound or a mixture comprising the zinc compound and at least one of a phosphate-containing compound, a degradable binder, or a water-soluble binder. The weight ratio of the zinc compound in the mixture is ≥ 20% and <; 100%. The zinc-containing protective member (12) can delay corrosion of the iron-based alloy substrate (11) during an early stage of medical device implantation. The iron-based alloy substrate (11) is essentially corrosion-free during the early stage of medical device implantation, and is therefore able to satisfy clinical requirements of mechanical performance during the early stage of medical device implantation.
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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