Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385541 | Cerebrospinal fluid shunt capable of minimal invasive revision | Yong Hua Zhu | 1995-01-31 |
| 5301658 | Membrane endoscopic retractor | Yong Hua Zhu | 1994-04-12 |
| 5293863 | Bladed endoscopic retractor | Yong Hua Zhu | 1994-03-15 |
| 5089007 | Multipurpose surgical tool | Yong Hua Zhu, Robert B. Cushman | 1992-02-18 |
| 4983176 | Deformable plastic surgical clip | Robert B. Cushman, Yong Hua Zhu | 1991-01-08 |
| 4950281 | Everting forceps | Yong Hua Zhu, Robert B. Cushman | 1990-08-21 |
| 4929240 | Surgical clip and applier | Y. Hua Zhu, Robert B. Cushman | 1990-05-29 |
| 4733664 | Surgical clip, applier, and method | Zhu Y. Hua, Robert B. Cushman | 1988-03-29 |
| 4586503 | Surgical microclip | Zhu Y. Hua, Robert B. Cushman | 1986-05-06 |