您的位置: 首页 > 农业专利 > 详情页

Stent aus einer Eisenlegierung
专利权人:
BIOTRONIK AG
发明人:
GEROLD, BODO,MUELLER, HEINZ,UGGOWITZER, PETER
申请号:
EP13165600.1
公开号:
EP2676685A1
申请日:
2013.04.26
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
Die Erfindung betrifft einen Stent, der ganz oder in Teilen aus einer Eisenlegierung der folgenden Zusammensetzung besteht (in Gew.%): Cr: > 12.0 Ni: 0 - 8.0 Co: 0 - 20.0 Mn: 0 - 20.0 N: 0.05 - 1.0 C 0.05 - 0.4 Ti: 0 - 3.5 Nb: 0 - 3.5 V: 0 - 3.5 Mo 0 - 3.5 Si: 0-3.0 Al:0-3.0 und Cu:0-3.0.Stent composed at least partially of an iron alloy having the composition of 12 wt.% of chromium, 0-8 wt.% of nickel, 0-20 wt.% of cobalt, 0-20 wt.% of manganese, 0.05-1 wt.% of nitrogen, 0.05-0.4 wt.% of carbon, 0-3.5 wt.% of titanium, 0-3.5 wt.% of niobium, 0-3.5 wt.% of vanadium, 0-3.5 wt.% of molybdenum, 0-3 wt.% of silicon, 0-3 wt.% of aluminum and 0-3 wt.% of copper. The cumulative content of cobalt and manganese is 3-20 wt.% and iron and production-related impurities make up a remainder of 100 wt.%. Stent composed at least partially of an iron alloy having the composition of 12 wt.% of chromium, 0-8 wt.% of nickel, 0-20 wt.% of cobalt, 0-20 wt.% of manganese, 0.05-1 wt.% of nitrogen, 0.05-0.4 wt.% of carbon, 0-3.5 wt.% of titanium, 0-3.5 wt.% of niobium, 0-3.5 wt.% of vanadium, 0-3.5 wt.% of molybdenum, 0-3 wt.% of silicon, 0-3 wt.% of aluminum and 0-3 wt.% of copper. The cumulative content of cobalt and manganese is 3-20 wt.% and iron and production-related impurities make up a remainder of 100 wt.%. Chromium equivalent (Cr-eq) value for chromium equivalents that results from the wt.% portions of the stated alloy components is of formula (Cr-eq is equal to [chromium]+1.5x [molybdenum]+0.48x [silicon]+2.5x [aluminum]+1.75x [niobium]+2.3x [vanadium]) (I) is greater than 18. Nickel equivalent (Ni-eq) for nickel equivalents that results from the wt.% portions of the stated alloy component is of formula (Ni-eq is equal to [nickel]+[cobalt]+30x [carbon]+18x [nitrogen]+0.1x [manganese]-0.01x [manganese] 2>) (II) is less than 22. Pitting resistance equivalent (PRE) value for corrosion resistance that results from wt.% portions of the stated alloy components is of formula (PRE is equ
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充