Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10278727 | Pericardium puncture needle assembly | Ji Feng, Jie Gong, Chang-sheng MA, Sophia Wang Hansen | 2019-05-07 |
| 9717523 | Pericardiocentesis needle component | Ji Feng, Jie Gong, Sophia Wang Hansen | 2017-08-01 |