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KAKEN_24659684seika.pdf
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高度側弯形状に対する健常形状復元と三次元変形および左右非対称性の定量化手法の構築
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コウド ソクワン ケイジョウ ニ タイスル ケンジョウ ケイジョウ フクゲン ト サンジゲン ヘンケイ オヨビ サユウ ヒタイショウセイ ノ テイリョウカ シュホウ ノ コウチク
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Kodo sokuwan keijo ni taisuru kenjo keijo fukugen to sanjigen henkei oyobi sayu hitaishosei no teiryoka shuho no kochiku
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Restoring of symmetrical spinal shape, and quantification of three dimensional deformation and asymmetry for the scoliosis
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桐山, 善守
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キリヤマ, ヨシモリ
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Kiriyama, Yoshimori
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慶應義塾大学・医学部・特任講師
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Research team head
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科研費研究者番号 : 30383722
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松本, 守雄
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マツモト, モリオ
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Matsumoto, Morio
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慶應義塾大学・医学部・准教授
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Research team member
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科研費研究者番号 : 40209656
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渡邉, 航太
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ワタナベ, コウタ
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Watanabe, Kota
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| Affiliation |
慶應義塾大学・医学部・特任講師
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Research team member
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科研費研究者番号 : 60317170
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2014
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科学研究費補助金研究成果報告書
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2013
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| Abstract |
本研究では、高度脊椎側弯症における幾何学的に厳密な左右非対称性の定量化手法の構築を行った。薄板スプライン法を用いることで、側弯形状から本来あるべき左右対称な形状を復元し、これに基づき、脊椎形状を覆う空間のひずみの分布を評価した。ひずみの分布をGreen-Lagrangeひずみを用いて評価したところ、圧縮・伸張・せん断ひずみが複雑に分布していることを明らかになった。本手法により、側弯症のような複雑な変形を示す疾患に対し、3次元的な変形分布の定量化が可能となった。
In this study, the quantitative method to evaluate the geometrical symmetry for excessive deformation of the scoliosis was developed. Using thin-plate spline method, symmetrical spinal shape was restored from the original scoliotic shape. Compared the symmetrical shape with the original scoliotic shape, spatical strain distribution covering the scoliosis was evaluated. As a result, compress/tensile/shear stresses were observed. Therefore, the method was useful to quantify three dimensional strain distributions. Also, the method should be a novel approach to elucidate the bony complicated deformation.
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研究種目 : 挑戦的萌芽研究
研究期間 : 2012～2013
課題番号 : 24659684
研究分野 : 医歯薬学
科研費の分科・細目 : 外科系臨床医学・整形外科学
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