Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253078 | Pressure-pump cartridge and pressure pump | Hongyan Jin, Hui LIU, Jinwei Pang, Derong Leng, Changqing Li +4 more | 2025-03-18 |
| 12245768 | Occluding stent, implanter thereof, and implanting method thereof | Guoxin Zhang, Huaiming Sang, Yun WANG, Lurong Li, Weifeng Zhang +3 more | 2025-03-11 |
| 12239305 | Channel device for surgery and trigger structure | Derong Leng, Zhuhai Lv, Wenqi Lv, Changqing Li, Long Long +2 more | 2025-03-04 |
| 12121254 | Slide slot type multi-arm clamp | Zhi Tang, Mingqiao Fan, Hongyan Jin, Ning Li, Changqing Li +1 more | 2024-10-22 |
| 11864721 | Endoscope end cap | Shutian Zhang, Ming Ji, Huihong Zhai, Jianjun Shuang, Derong Leng +3 more | 2024-01-09 |
| 11547837 | Double-balloon catheter device for gastrointestinal anastomosis | Xiaoping Zou, Lei Wang, Zhenghua Shen, Jialing Sun, Changqing Li | 2023-01-10 |
| 11363941 | Cholangioscopy overtube and endoscope assembly | Arthur John Kaffes, Changqing Li, Chunxia Shi, Zhenghua Shen | 2022-06-21 |