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Strength of the G-rod Segmental Spinal Instrumentation (SSI) with Ultrahigh Molecular Weight Polyethylene (UHMWPE) Cables Makoto Sugita 1 , Hiroshi Takei 1 , Junichi Hashimoto 1 , Haruki Nakano 1 , Toshihiko Ogino 1 1Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine Keyword: Gロッド , G-rod , 分節的脊椎インストゥルメンテーション , segmental spinal instrumentation , 超高分子量ポリエチレンケーブル , ultrahigh molecular weight polyethylene cable pp.573-578
Published Date 2008/6/25
DOI https://doi.org/10.11477/mf.1408101304
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 We have reported clinical results of G-rod SSI with titanium cables as an instrumentation for metastatic spinal tumors. To clarify utility of the ultra high molecular weight polyethylene cable (UHMWPE cable) for the G-rod SSI, we performed a biomechanical study using injured spinal models instrumented by the G-rod SSI. The spine with G-rod was combined either titanium cables or UHMWPE cables. Elasticity of the instrumentation with UHMWPE cables was higher than that with titanium cables although strength was almost equal. The spinal instrumentation by G-rod SSI with UHMWPE cables may decrease delayed adjacent intervertebral problems for osteoporotic patients with metastatic spinal tumors.


Copyright © 2008, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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