| 摘要 |
The invention concerns a spinal intervertebral implant ( 200 ) comprising at least an upper element ( 203 ), a lower element ( 205 ), and an intermediate member ( 201 ) adapted to co-operate with the upper and lower elements by helical linking means ( 207, 254 ) including means ( 216 ) forming hard pass points when the helical linkage is carried out.
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