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pEEK树脂的弹性模量非常接近骨骼，且能较好地负载转换，因此是生产颈椎椎间融合器的较佳材料。意大利公司SinteaPlustek的较新 DOMINO颈椎椎间融合器就是利用苏威特种聚合物的ZenivaPEEK树脂制造而成的，已获得CE标志(欧洲联盟标志)，可在欧洲市场销售。    除了有利的机械性能，这种热塑性生物材料还具备射线可透射的性质，可进行X光检查，且满足ASTMF2026-12(外科植入手术临床应用)的要求。