A thoracolumbar spinal correction apparatus
By designing fixation and locking components made of zirconium-niobium alloy, and combining the structure of the tethering and fixing parts, a continuous corrective force system is formed, which solves the problem of unreliable fixation in existing orthopedic fixation systems, achieves stable and uniform application of corrective force, and improves the treatment effect of scoliosis and the quality of life of patients.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIASITE HUAJIAN MEDICAL EQUIP (TIANJIN) CO LTD
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-17
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Figure CN224505680U_ABST
Abstract
Claims
1. A thoracolumbar spine correction device, characterized in that, include: Multiple fasteners, each of which has a rope-tying part on one side wall and a fixing part on the other side wall, the fixing part being used to fix to the vertebral body; Multiple locking components are provided, each corresponding to one of the multiple fixing components, and the multiple locking components are also used to fix the vertebral body. The rope is sequentially wound around the tie section of the plurality of fixing members.
2. The thoracolumbar spinal correcting instrument according to claim 1, wherein, The number of fixing parts is multiple, and the multiple fixing parts are arranged around the locking member.
3. The thoracolumbar spinal correcting instrument according to claim 1 or 2, characterized by The fixing part is conical.
4. The thoracolumbar spinal correcting instrument according to claim 1, wherein The fastener has a groove on the side wall away from the tethering part, and the groove is used to accommodate segmental blood vessels at the vertebral body.
5. The thoracolumbar spinal correcting instrument of claim 1 wherein, Each of the fasteners is provided with a plurality of rope-tying portions, the number of ropes being the same as the number of rope-tying portions provided in each of the fasteners, and the plurality of ropes being wound around the plurality of rope-tying portions in a one-to-one correspondence.
6. The thoracolumbar spinal correcting instrument of claim 1 wherein, The rope-tying part includes a winding section and a limiting section. One end of the winding section is connected to the surface of the fixing member, and the other end is connected to the limiting section. The outer diameter of the winding section is smaller than the outer diameter of the limiting section, and the rope is wound around the winding section.
7. The thoracolumbar spinal correcting instrument of claim 1 wherein, The fastener is provided with a locking hole, and the locking element is threaded into the locking hole.
8. The thoracolumbar spinal correcting instrument of claim 1 wherein, The fastener is made of zirconium-niobium alloy.
9. The thoracolumbar spinal correcting instrument of claim 1 wherein, The locking component is made of zirconium-niobium alloy.
10. The thoracolumbar spine correction device according to claim 1, characterized in that, The rope is made of PET material.