Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12290296 | Bone fixation system capable of gradually changing from rigid fixation to axial non-rigid fixation | Qingli LI, Jingna LI, Zizheng AI, Yuxiang Mei, Qunming Bian +1 more | 2025-05-06 |
| 12285192 | Pedicle screw-rod system capable of gradually changing from rigid fixation to non-rigid fixation | Qingli LI, Weiyi He | 2025-04-29 |
| 11103285 | Pedicle screw assembly for dynamic and static fixation and installation tool therefor | Weiyi He, Qingli LI, Yuanwei Zhang, Xiaoxiang Zhang, Xingliang Yu | 2021-08-31 |
| 10441296 | Corer and method using same | — | 2019-10-15 |