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    • 7. 发明授权
    • Bone implant for prostheses and tool for inserting the implant into a
bone
    • 用于假体的骨植入物和用于将植入物插入骨骼的工具
    • US4784124A
    • 1988-11-15
    • US883413
    • 1986-07-08
    • Werner KaltenbrunnerRainer Kotz
    • Werner KaltenbrunnerRainer Kotz
    • A61B17/16A61F2/00A61F2/30A61F2/36A61F2/46
    • A61B17/164A61F2/3662A61B17/1675A61B17/1684A61F2002/30156A61F2002/30171A61F2002/3021A61F2002/30405A61F2002/3082A61F2002/30841A61F2002/30879A61F2002/368A61F2002/3694A61F2002/4619A61F2220/0025A61F2230/0023A61F2230/005A61F2230/0067
    • The bone implant for prostheses, particularly joints or joint members, preferably joints of the human locomotor system and especially the walking system, contains a shaft insertable into a cavity in a bone. The shaft has a total cross-section increasing from its diaphysis-associated distal end to its metaphysis-associated proximal end. Preferably, The shaft possesses in the region of the metaphysis-associated proximal end an integrally formed or separate intermediate piece at which the joint or joint member can be arranged. The shaft is preferably immediately and securely anchored in the bone and particularly is made of a metallic material. The shaft possesses an oblong rotationally symmetrical shaft body having an outer surface generated by, if desired, a longitudinally curved or preferably a substantially straight generatrix. The shaft body substantially has the shape of a truncated cone. Its outer surface can be contracted with the bone without the presence of a bonding agent and possesses a plurality of projections extending substantially parallel to the generatrix generating the outer surface. The projections preferably extend along the total length of the shaft body and are preferably mutually similar. The projections have edges extending preferably radially outwardly from the main axis of the shaft body, and preferably have the form of a knife edge.
    • 用于假体的骨植入物,特别是关节或关节构件,优选人类运动系统,特别是步行系统的关节,其包含可插入到骨中的空腔中的轴。 轴具有从其与骨干相关的远端到其干ysis端近端的总横截面增加。 优选地,所述轴在干ysis端近端的区域中具有整体形成或分离的中间件,在该中间件处可以布置接头或接头构件。 轴优选地立即且牢固地锚固在骨中,特别是由金属材料制成。 轴具有长椭圆形旋转对称的轴体,其具有如果需要的纵向弯曲或优选地基本上直的母线产生的外表面。 轴体基本上具有截锥体的形状。 其外表面可以与骨收缩而不存在粘合剂,并且具有大致平行于产生外表面的母线延伸的多个突起。 突起优选地沿着轴体的总长度延伸,并且优选地相互相似。 突起部具有优选地从轴体的主轴径向向外延伸的边缘,并且优选地具有刀刃的形式。