阅读说明：本技术 血管内的功能元件、具有功能元件的系统以及方法 (Intravascular functional element, system having a functional element, and method ) 是由 乔尔吉奥·卡塔内奥 安德烈亚斯·舒斯勒尔 马丁·施特罗贝尔 克里斯多佛·雅尼施 于 2020-02-19 设计创作，主要内容包括：本发明涉及一种血管内的功能元件,特别是植入物,进一步地特别是支架、分流器、支架移植物和血管内闭合装置,该功能元件具有至少部分为管状的、可径向自扩展的网格结构(12),该网格结构具有一根线材(10)或多根线材(10),其中这一根线材(10)或多根线材(10)中的至少一根线材包括超弹性材料,特别是由具有合金元素镍和钛的合金构成的超弹性材料,其中混合氧化层形成在一根线材(10)或多根线材(10)的表面上,该混合氧化层的层厚度为150nm至400nm,特别是200nm至350nm,特别是250nm至300nm。(The invention relates to an intravascular functional element, in particular an implant, further in particular a stent, a shunt, a stent graft and an intravascular closure device, having an at least partially tubular, radially self-expandable lattice structure (12) having one wire (10) or a plurality of wires (10), wherein at least one of the one wire (10) or the plurality of wires (10) comprises a superelastic material, in particular a superelastic material consisting of an alloy with the alloying elements nickel and titanium, wherein a mixed oxide layer is formed on the surface of the one wire (10) or the plurality of wires (10), the layer thickness of the mixed oxide layer being 150nm to 400nm, in particular 200nm to 350nm, in particular 250nm to 300 nm.)