发明授权
- 专利标题： Implant with increased carbon content at near-surface boundary layer
- 专利标题（中）： 近地表边界层碳含量增加的种植体
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申请号： US13937113申请日： 2013-07-08
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公开(公告)号： US09381100B2公开(公告)日： 2016-07-05
- 发明人: Ullrich Bayer , Bodo Gerold
- 申请人： BIOTRONIK VI Patent AG
- 申请人地址： CH Baar
- 专利权人： BIOTRONIK VI PATENT AG
- 当前专利权人： BIOTRONIK VI PATENT AG
- 当前专利权人地址： CH Baar
- 代理机构： Wagenknecht IP Law Group PC
- 主分类号： C23C8/20
- IPC分类号： C23C8/20 ; C23C8/22 ; C23C8/24 ; C23C8/26 ; C23C8/30 ; C23C8/32 ; A61F2/82 ; A61L31/02 ; A61L31/08 ; A61L31/14
摘要：
Implant in the form of an intraluminal endoprosthesis, having a tubular body containing metallic material, optionally iron, whereby in at least a portion of the implant body the following are present in the structure of a near-surface boundary layer in comparison to the respective concentration in the remaining structure: an increased carbon content in a concentration of approximately 0.5% by weight to approximately 2% by weight; or an increased carbon and nitrogen content, wherein a concentration of carbon is approximately 0.5% by weight to approximately 7% by weight, and a concentration of nitrogen is approximately 0.5% by weight to approximately 17% by weight.
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