发明名称 Implant with increased carbon content at near-surface boundary layer
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.
申请公布号 US9381100(B2) 申请公布日期 2016.07.05
申请号 US201313937113 申请日期 2013.07.08
申请人 BIOTRONIK VI PATENT AG 发明人 Bayer Ullrich;Gerold Bodo
分类号 C23C8/20;C23C8/22;C23C8/24;C23C8/26;C23C8/30;C23C8/32;A61F2/82;A61L31/02;A61L31/08;A61L31/14 主分类号 C23C8/20
代理机构 Wagenknecht IP Law Group PC 代理人 Wagenknecht IP Law Group PC
主权项 1. An implant in the form of an intraluminal endoprosthesis, having a tubular body containing metallic material, optionally iron, wherein 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, wherein a concentration of carbon is approximately 0.5% by weight to approximately 7% by weight, and an increased nitrogen content, wherein a concentration of nitrogen is approximately 5% by weight to approximately 12% by weight.
地址 Baar CH