| 摘要 |
The invention relates to an intervertebral disc prosthesis (4) characterized in that it comprises: a rigid upper plate (5), a rigid lower plate (6), an intermediate cushion (7), which can be elastically compressed and is placed between the two inner surfaces of the plates (5, 6). The invention is also characterized in that the assembly is divided in the width direction into two units resting one atop the other via complementary contact surfaces. |
