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    • 10. 发明申请
    • BIOCORRODIBLE IMPLANT HAVING A CORROSION-INHIBITING COATING
    • 具有腐蚀性抑制涂层的生物可蚀性植入物
    • US20110144761A1
    • 2011-06-16
    • US12915331
    • 2010-10-29
    • Alexander RzanyHeinz Mueller
    • Alexander RzanyHeinz Mueller
    • A61F2/28B05D3/02
    • A61L27/047A61L27/306A61L27/50A61L27/58A61L31/022A61L31/088A61L31/14A61L31/148A61L2400/18
    • One embodiment of the invention relates to a biocorrodible implant based on magnesium or a biocorrodible magnesium alloy, whose surface has a corrosion-inhibiting coating. Furthermore, other invention embodiments relate to a respective manufacturing method for the coating. According to an invention embodiment, an implant is provided, comprising(i) an implant material comprising magnesium or a biocorrodible magnesium alloy forming a base;(ii) a diffusion layer, which covers the base and differs in composition from the implant material and contains at least one of the metallic elements of the implant material and at least one corrosion-inhibiting element selected from the group of Al, Zn, Ca, Si, In, Mn, Sc and RE, where RE stands for rare earth metals;(iii) optionally a metal layer of at least one of the corrosion-inhibiting elements selected from the group of Al, Zn, Ca, Si, In, Mn, Sc and RE covering the diffusion layer; and(iv) optionally a passivating layer of metal oxides, metal nitrides or metal fluorides of at least one of the corrosion-inhibiting elements selected from the group of Al, Zn, Ca, Si, In, Mn, Sc and RE covering the diffusion layer or metal layer.
    • 本发明的一个实施方案涉及一种基于镁或生物可腐蚀镁合金的生物腐蚀性植入物,其表面具有腐蚀抑制性涂层。 此外,其它发明实施例涉及用于涂层的相应制造方法。 根据本发明的实施例,提供了一种植入物,其包括(i)包含镁或生物可腐蚀的镁合金的植入材料,其形成基底; (ii)扩散层,其覆盖基部并且组成与植入物材料不同,并且包含植入材料的至少一种金属元素和至少一种选自Al,Zn,Ca的腐蚀抑制元素 ,Si,In,Mn,Sc和RE,其中RE代表稀土金属; (iii)任选的是选自覆盖扩散层的Al,Zn,Ca,Si,In,Mn,Sc和RE中的至少一种腐蚀抑制元素的金属层; 以及(iv)任选的选自由覆盖扩散层的Al,Zn,Ca,Si,In,Mn,Sc和RE中的至少一种腐蚀抑制元素的金属氧化物,金属氮化物或金属氟化物的钝化层 层或金属层。