Comparison of compressive forces caused by various cannulated cancellous screws used in arthroscopic ankle arthrodesis.

• 資料種別: 博士論文
• タイトル: Comparison of compressive forces caused by various cannulated cancellous screws used in arthroscopic ankle arthrodesis.
• 巻次・部編番号: 12
• 著者・編者: Kamijo, Satoshi; Kumai, Tsukasa; Tanaka, Shogo; Mano, Tsuyoshi; Tanaka, Yasuhito
• 著者標目: Kamijo, Satoshi; Kumai, Tsukasa; Tanaka, Shogo; Mano, Tsuyoshi; Tanaka, Yasuhito
• 出版事項: BioMed Central
• 出版年月日等: 2017-01; 12
• 出版年（W3CDTF）: 2017-01
• 並列タイトル等: 鏡視下足関節固定術で使用される中空海綿骨螺子による圧着圧の比較
• タイトル（掲載誌）: Journal of Orthopaedic Surgery and Research
• 掲載ページ: Article No.7-
• ISSN（掲載誌）: 1749799X
• 授与機関名: 奈良県立医科大学
• 授与年月日: 2017-06-28
• 授与年月日（W3CDTF）: 2017-06-28
• 報告番号: 乙第1403号
• 学位: 博士（医学）
• 博論授与番号: 乙第1403号
• 本文の言語コード: eng
• 件名標目: Ankle arthrodesis; Cannulated cancellous screw; Compressive force; Talocrural joint; Miniature pressure sensor
• 対象利用者: 一般
• 一般注記: type:Thesis; Background: When performing arthroscopic ankle arthrodesis for end-stage ankle arthritis, internal fixation is performed using bone screws after appropriate preparation. However, optimal characteristics of bone screws have not been examined in terms of pressure force. Objective comparisons of bone-screw performance may provide information on procedures for arthroscopic ankle arthrodesis. The study objectives were to determine whether it was possible to measure compressive force changes using the newly developed device and to infer all screw characteristics from measurement results when used in actual surgeries. In addition, we performed experiments on cadavers to verify whether the experimental results could be applied to the joints of living subjects. Methods: Three types of screws (S1, S2, and S3) were inserted into the unique measurement device, and the changes in pressure were measured for each 45° turn. Changes in pressure and maximum pressure force were recorded after the application of the screws. After reaching the maximum pressure in the simulated bone, further screw rotations were accompanied by a gradual pressure decrease to 0 MPa. We also measured pressure changes in a similar manner by inserting a miniature pressure sensor into the talocrural joints of cadavers. Results: The mean maximum pressure ± standard deviation for S1, S2, and S3 were 0.832 ± 0.164 MPa, 0.434 ± 0.116 MPa, and 0.414 ± 0.127 MPa, respectively. Pressure slopes to the maximum did not significantly differ between the screws in the simulated bone, and a subsequent pressure decrease to 0 MPa was significantly more rapid for S1 than for S2 and S3. Although pressure failure after the overtightening of screws was only observed in the simulated bone, patterns of pressure vs. rotation angle were similar in simulated and cadaveric bones. The pressure profile characteristics of three different screw types were determined. Conclusions: We were able to measure the compressive force changes using the newly developed device when the screws were inserted. On the basis of the measurement results, we were able to infer the characteristics of all screws when used in actual surgery.; 博士（医学）・乙第1403号・平成29年6月28日; Copyright © The Author(s). 2017 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, andreproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link tothe Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver(http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.; identifier:Journal of Orthopaedic Surgery and Research Vol.12 Article No.7 (2017 Jan); identifier:1749799X; identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/3349; identifier:Journal of Orthopaedic Surgery and Research, 12: Article No.7
• 国立国会図書館永続的識別子: info:ndljp/pid/10951943; https://dl.ndl.go.jp/pid/10951943
• コレクション（共通）: 障害者向け資料
• コレクション（障害者向け資料：レベル1）: テキストデータ
• コレクション（個別）: 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• 収集根拠: 博士論文（自動収集）
• 受理日（W3CDTF）: 2017-09-02T15:28:24+09:00
• 記録形式（IMT）: application/pdf
• オンライン閲覧公開範囲: 国立国会図書館内限定公開
• デジタル化資料送信: 図書館・個人送信対象外
• 遠隔複写可否（NDL）: 可
• 関連情報（URI）: https://doi.org/10.1186/s13018-016-0503-x
• 掲載誌（URI）: http://hdl.handle.net/10564/3349
• 連携機関・データベース: 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

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