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find Keyword "Composite ring" 1 results
  • ANTERIOR LUMBAR INTERBODY FUSION OF CANINE WITH ALLOGRAFT CORTICAL RING PLUS AUT OGENOUS CANCELLUS

    OBJECTIVE: To prove the biological characteristics of spinal intervertebral fusion with allograft cortical ring plus autogenous cancellus from iliac bone (called as composite ring). METHODS: Eight hybrid dogs were adopted in the study. The composite ring and autogenous tri-cortical blocks were implanted into the intervertebral space of dogs respectively. The intervertebral discs were removed before implantation. The fusion segments were evaluated by x-ray, histological examinations at 1, 2, 4 and 6 months after operation to compare the healing status of two implants. RESULTS: The X-ray film and histological examination showed the lumbar interbody was fused after 4 months of operation in composite ring group, while the autogenous iliac bone blocks fused with peripheral bone tissue after 6 months of operation. Composite ring healed more quickly and completely, showed different osteogenesis behavior compared with that of massive allografts. CONCLUSION: Composite ring can promote the fusion of intervertebral body and can be used as a potential material for spinal surgery.

    Release date:2016-09-01 10:21 Export PDF Favorites Scan
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