【博士論文】学術データベース

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

著者

書誌事項

タイトル

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

タイトル別名

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

著者名

Kamijo Satoshi

著者名

Kumai Tsukasa

著者名

Tanaka Shogo

著者名

Mano Tsuyoshi

著者名

Tanaka Yasuhito

学位授与大学

奈良県立医科大学 (大学ID:1023) (CAT機関ID:KI001199)

取得学位

博士(医学)

学位授与番号

乙第1403号

学位授与年月日

2017-06-28

注記・抄録

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.

開始ページ : Article No.7

キーワード

Ankle arthrodesis, Cannulated cancellous screw, Compressive force, Talocrural joint, Miniature pressure sensor

各種コード

NII論文ID(NAID)

500001033369

NII著者ID(NRID)
  • 8000001142113
  • 8000001142114
  • 8000001142115
  • 8000001142116
  • 8000001142117
DOI (出版社)

10.1186/s13018-016-0503-x

DOI

http://dx.doi.org/10.1186/s13018-016-0503-x

本文言語コード

eng

データ提供元

機関リポジトリ / NDLデジタルコレクション

外部リンク

DOI

博士論文 / 奈良県立医科大学 / 医学

博士論文 / 奈良県立医科大学

博士論文 / 医学

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