| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a safe and compact bone anchoring device which is connected to a receiving part and a rod for a polyaxial anchoring device. <P>SOLUTION: A reinforcement structure includes flat or concave surfaces in which legs 5, 6 are formed on the outer wall of the legs 5, 6 and which extend in parallel to a longitudinal axis L and are mutually faced, and a plurality of rib-like parts which extend in mutually parallel in a direction intersecting the longitudinal axis L on the flat or concave surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
