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| Number | Title | Issue Date |
| 5800547 | Ventral intervertebral implant A ventral intervertebral implant is used between two vertebral bodies of a spinal column. The implant has an upper and a lower contact surface and at least one anchor pin projecting beyond at least one of the contact surfaces. An instrument is provided fo... | 09/01/1998 |
| 5738685 | Osteosynthesis device An osteosynthesis device having a bone screw, particularly a pedicle screw, a fork head that has a groove and a corrective pin seated in the groove of the fork head. A corrective pin is secured against twisting in that the bottom of the groove of the fork... | 04/14/1998 |
| 5713898 | Orthopedic surgical holding device In an orthopedic surgical holding device for a correcting rod, having a bone plate which can be fastened on the bone, a receiver device for the correcting rod and a fixing device maintaining the correcting rod in the receiver device. An optimal transfer o... | 02/03/1998 |
| 5662652 | Bone surgery holding apparatus In a bone surgery holding device for a fixing rod, with a bone plate, which can be fastened to the bone, a receiving device, and a fixing device, which secures the fixing rod in the receiving device, the bone plate has a contact face essentially made to f... | 09/02/1997 |
