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    • 1. 发明申请
    • Unknown
    • 未知
    • US20130204232A1
    • 2013-08-08
    • US13739230
    • 2013-01-11
    • Juergen WieserRoy Waeber
    • Juergen WieserRoy Waeber
    • A61M25/01
    • A61M25/0108A61B2090/3925A61L29/126A61L29/18A61L2420/04A61L2420/08A61M25/0045G10K11/20
    • The invention relates to a medical device, comprising a hose-, tube- or hollow needle-shaped body, comprising a first layer (12) and an adjoining second layer (14) made of plastic material, wherein hollow spheres (22, 24) for generating echogenic properties are contained in the second layer. So as to achieve good echogenic properties, according to the invention both the inner first layer (12) and the adjoining second layer (14) comprise hollow spheres (18, 20, 22, 24) for generating echogenic properties, the hollow spheres (18, 20) of the first layer, these being the first hollow spheres, on average have smaller diameters D1 than the hollow spheres (22, 24) of the second layer referred to as the second hollow spheres, and/or that the fill content F1 of the first hollow spheres in the first layer is less than the fill content F2 of the second hollow spheres in the second layer.
    • 本发明涉及一种医疗装置,其包括软管,管状或中空的针状体,其包括由塑料材料制成的第一层(12)和邻接的第二层(14),其中空心球体(22,24) 用于产生回声特性的物质包含在第二层中。 为了获得良好的回声特性,根据本发明,内部第一层(12)和邻接的第二层(14)都包括用于产生回声特性的中空球体(18,20,22,24),空心球体(18) ,20),这些是第一中空球,平均具有比被称为第二中空球的第二层的中空球(22,24)更小的直径D1,和/或填充含量F1 第一层中的第一中空球体的含量小于第二层中第二空心球体的填充量F2。