Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415019 | Bioflexible elastomer intestinal anastomosis stent based on PTMC-b-PEG-b-PTMC copolymer, and preparation method | Changcan Shi, Xujian Li, Zhixiao Ji, Xiao Yang Yang | 2025-09-16 |
| 12310834 | PTMC-based intestinal anastomosis stent of bioabsorbable flexible elastomer and preparation method therefor | Changcan Shi, Xujian Li, Zhixiao Ji, Xiao Yang Yang | 2025-05-27 |
| 12048620 | Flexible intestinal anastomosis stent | Changcan Shi, Xujian Li, Zhixiao Ji, Xiao Yang Yang | 2024-07-30 |