| 摘要 |
<p>The present invention relates to a coupling assembly for coupling a rod to a bone anchoring element. The purpose of the present invention is to provide an improved coupling assembly for a polyaxial bone anchoring device in a load floor type, the polyaxial bone anchoring device which is improved during an operation or can be easily treated, and a modular stabilization device based on modularity of a system. To this end, the coupling assembly of the present invention has at least one spring part enlarged in the circumferential direction, and a pressurization element which can be pressed in all direction, wherein the spring part is formed to interlock an interlocked structure of an inner wall.</p> |
