环锯是汉语词语，拼音是huánjù，指作环形锯开的一种外科手术器械。
n. trepan ; trephine ; trephining
结论环锯减压后如不植骨有可能不融合或畸形愈合。
Bone graft and fusion is essential for prevent the possible non union or mal union of decompressed segement.
方法： 采用前路环锯截骨、长窗减压，在牵引下植入自体长条形髂骨。
Methods: After anterior trephination osteotomy and decompression, long auto bone graft was obtained from the ilium and was grafted under traction.
目的比较单纯环锯减压柱状植骨与椎体次全切除植骨加内固定治疗脊髓型颈椎病的效果。
Objective:To compare the value between subtotal resection of vertebral body with internal fixation and simple trephine decompression in treatment of CSM.
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