| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for treating spinal stenosis in regard to spine surgery. SOLUTION: In a system for treating spinal stenosis, a spacer 10 between spinous processes comprises a spacer 12, a primary spinous process tether 14 and two secondary tethers 15 (only one of which is shown in the figure). The spacer 12 is approximately cylindrical and has a main chamber 16, a pair of insertion instrument apertures, a fusion notch 20 and a pair of tether lumens. COPYRIGHT: (C)2008,JPO&INPIT
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