| 摘要 |
A device (10) for removing cortical tissue from a vertebral endplate, comprising: an elongated handle (16); a rotatably-mounted driving rod (14) received in said handle (16); a dumbbell-shaped burr (12) connected to said driving rod (14); and an eccentric support (18) having first and second opposite ends; said first end being connected to said handle (16); and said second forming a collar (20) around said dumbbell-shaped burr (12). |
