The ealuated implant is an interspinous spacer fixed to the spine by 2 polyester braids looped around the proximal and distal spinous.

• 待研究的融合器由椎间融合器和两根固定于上的聚酯带组成，这两根聚酯带分别缠绕于上、下椎体棘突用以固定。