发明授权
US07156874B2 Spinal intervertebral implant adjustable in situ comprising hard pass point 有权
脊椎椎间植入物可原位调节,包括硬通过点

Spinal intervertebral implant adjustable in situ comprising hard pass point
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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