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    • 1. 发明申请
    • IMPLANT FIXATION
    • 植入固定
    • WO2018046577A1
    • 2018-03-15
    • PCT/EP2017/072419
    • 2017-09-07
    • SPINEWELDING AG
    • MAYER, JörgVAN HAVERMAET, Johan
    • A61B17/68
    • The invention concerns an implant system for being fastened to the posterior side of the spinal column. The implant system comprises an implant body, for example a plate, and a plurality of fasteners. The implant body comprises a fastening structure for each fastener. Each fastener extends between a proximal end and a distal end and comprises a thermoplastic material in a solid state, the thermoplastic material being liquefiable by energy impinging on the fastener, in an anchoring process, in which the fastener is pressed against bone tissue by a pressing force acting from a proximal side, and in which energy is coupled into the fastener to at least partially liquefy the thermoplastic material, wherein a flow portion of the thermoplastic material is pressed into bone tissue and, after re-solidification, anchors the fastener in the bone tissue.
    • 本发明涉及一种用于固定在脊柱后侧的植入系统。 植入系统包括植入物本体,例如板和多个紧固件。 植入物主体包括用于每个紧固件的紧固结构。 每个紧固件在近端和远端之间延伸并且包括处于固态的热塑性材料,所述热塑性材料可通过撞击在紧固件上的能量而被液化,在锚定过程中,紧固件通过压制被压靠在骨组织上 所述力从近侧作用,并且其中能量耦合到所述紧固件中以至少部分地液化所述热塑性材料,其中所述热塑性材料的流动部分被压入骨组织中,并且在再凝固之后,将所述紧固件锚定在 骨组织。