A spinal retractor specifically designed for unilateral portal endoscopic discectomy is a specialized surgical instrument used to enhance the precision and safety of minimally invasive spine surgery. This type of retractor is engineered to facilitate the exposure and access of the surgical site while minimizing tissue damage and improving visualization for the surgeon.
| Working Length(mm） | Working Diameter(mm) |
| 50 | 12.0 |
| 60 | 12.0 |
| 70 | 12.0 |
| 80 | 12.0 |
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