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Paper Abstract and Keywords
Presentation 2021-06-01 13:00
Development of Simple TKA Support System -- Consideration of a method for calculating misalignment based on theoretical value calculations --
Chikako Yoshimura (SIT), Takashi Handa (SAITEC), Yukari Kito (Arthro Design Ltd.), Shahrol Mohamaddan, Motoki Takagi, Akihiko hanafusa (SIT) WIT2021-4
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the number of patients undergoing total knee arthroplasty (TKA) has been increasing. In TKA, the osteotomy is performed at a predetermined angle to the mechanical axis, however there are many challenges in estimating the mechanical axis in clinical settings. Tamaki et al. developed a Simple TKA Support System V1 to estimate machine axes in a simple way using a three-axis inertial sensor. Therefore, to improve usability, we developed the "Simple TKA Support System V2" with additional free position adjustment function and automation in this study. In order to improve the accuracy of the functional axis estimation, the difference from the mechanical axis was calculated theoretically.
Keyword (in Japanese) (See Japanese page) 
(in English) Total Knee Arthroplasty / TKA / Mechanical-axes / 3-axis inertial sensor / Rotation matrix / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 52, WIT2021-4, pp. 17-22, June 2021.
Paper # WIT2021-4 
Date of Issue 2021-05-25 (WIT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee WIT  
Conference Date 2021-06-01 - 2021-06-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WIT 
Conference Code 2021-06-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Simple TKA Support System 
Sub Title (in English) Consideration of a method for calculating misalignment based on theoretical value calculations 
Keyword(1) Total Knee Arthroplasty  
Keyword(2) TKA  
Keyword(3) Mechanical-axes  
Keyword(4) 3-axis inertial sensor  
Keyword(5) Rotation matrix  
1st Author's Name Chikako Yoshimura  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Takashi Handa  
2nd Author's Affiliation Saitama Industrial Technology Center (SAITEC)
3rd Author's Name Yukari Kito  
3rd Author's Affiliation Arthro Design Ltd. (Arthro Design Ltd.)
4th Author's Name Shahrol Mohamaddan  
4th Author's Affiliation Shibaura Institute of Technology (SIT)
5th Author's Name Motoki Takagi  
5th Author's Affiliation Shibaura Institute of Technology (SIT)
6th Author's Name Akihiko hanafusa  
6th Author's Affiliation Shibaura Institute of Technology (SIT)
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Date Time 2021-06-01 13:00:00 
Presentation Time 25 
Registration for WIT 
Paper # IEICE-WIT2021-4 
Volume (vol) IEICE-121 
Number (no) no.52 
Page pp.17-22 
#Pages IEICE-6 
Date of Issue IEICE-WIT-2021-05-25 

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