
The 11th MECHANICAL FINDER User Meeting ended with success. Under the COVID-19 pandemic, This was the first time we held a hybrid meeting. We would like to thank the people who participated and the people involved.
If you would like a copy of the proceedings, please request one at the bottom of the page.

Outline
We have decided to hold the User meeting in 2021 as a hybrid of on-site and online. The number of participants will be determined based on the COVID-19 situation and will be announced.
Qualifications
MECHANICAL FINDER User
Customers considering purchasing or interested in MECHANICAL FINDER
MECHANICAL FINDER User
Customers considering purchasing or interested in MECHANICAL FINDER
Date and Time
Saturday, December 11, 2021, 11:30-17:20 (UTC+09:00)
Saturday, December 11, 2021, 11:30-17:20 (UTC+09:00)
Entry fee
Free
Free
Participation capacity
Venue capacity will be determined based on COVID-19 situation.
*Please refrain from competitors’ entry
Venue capacity will be determined based on COVID-19 situation.
*Please refrain from competitors’ entry
Language
Mainly Japanese (Presentation slides will be in English.)
Mainly Japanese (Presentation slides will be in English.)
User Meeting Desk
+81-3-3785-3033
Tokyu Togoshi Building 8F, 1-7-1 Togoshi, Shinagawa-ku, Tokyo, Japan
Program
10:50 – 11:20 Reception
11:30 – 11:35 Opening Remarks
Session 1
Chair: Mitsugu Todo, Research Institute for Applied Mechanics, Kyushu University
Hip & Femur 1
11:35 - Presentation 1
Evaluation of bone healing process and bone strength at removal of nail after intramedullary nailing for femoral shaft fracture
Hideyuki Mimata1, 4, Yusuke Matsuura2, Sei Yano2, Seiji Ohtori2, Mitsugu Todo3
1Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Japan, 2Department of Orthopeadic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan, 3Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan, 4Research Center of Computational Mechanics, Inc. Tokyo, Japan
Evaluation of bone healing process and bone strength at removal of nail after intramedullary nailing for femoral shaft fracture
Hideyuki Mimata1, 4, Yusuke Matsuura2, Sei Yano2, Seiji Ohtori2, Mitsugu Todo3
1Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Japan, 2Department of Orthopeadic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan, 3Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan, 4Research Center of Computational Mechanics, Inc. Tokyo, Japan
11:50 - Presentation 2
Mechanical evaluation of screw position of bone fixation device for proximal femur fracture
Yoshihiro Tomita1, Jiro Sakamoto2
1Department of Mechanical Science, Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan, 2Advanced Manufacturing Technology Institute, Kanazawa, Japan
Mechanical evaluation of screw position of bone fixation device for proximal femur fracture
Yoshihiro Tomita1, Jiro Sakamoto2
1Department of Mechanical Science, Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan, 2Advanced Manufacturing Technology Institute, Kanazawa, Japan
12:05 - Presentation 3
Investigation about biomechanics of hip fractures using fresh frozen cadavers and finite element analysis
Sei Yano, Yusuke Matsuura
Department of Orthopaedic Surgery, Graduated School of Medicine, Chiba University, Chiba, Japan
Investigation about biomechanics of hip fractures using fresh frozen cadavers and finite element analysis
Sei Yano, Yusuke Matsuura
Department of Orthopaedic Surgery, Graduated School of Medicine, Chiba University, Chiba, Japan
12:20 – 12:30 Break
Luncheon Presentation
Spine
12:30 - Presentation 4
Assessing Spinal Strength in Transplant Patients Using 2D and 3D Modeling Approaches
Kent D. Carlson1, Ejigayehu G. Abate2, Hillary W. Garner3, Daniel E. Wessell3, Dan Dragomir-Daescu1
1Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA, 2Division of Endocrinology, Mayo Clinic Florida, Jacksonville, FL, USA, 3Department of Radiology, Mayo Clinic Florida, Jacksonville, FL, USA
Assessing Spinal Strength in Transplant Patients Using 2D and 3D Modeling Approaches
Kent D. Carlson1, Ejigayehu G. Abate2, Hillary W. Garner3, Daniel E. Wessell3, Dan Dragomir-Daescu1
1Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA, 2Division of Endocrinology, Mayo Clinic Florida, Jacksonville, FL, USA, 3Department of Radiology, Mayo Clinic Florida, Jacksonville, FL, USA
Anthropology
12:45 - Presentation 5
Computed Tomography-Based Finite Element Analysis for Assessing Skeletal Trauma
Mikoláš Jurda1、Luboš Řehounek2
1Department of Anthropology, Faculty of Science, Masaryk university, Bruno, Czech Republic, 2Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Prague, Czech Republic
Computed Tomography-Based Finite Element Analysis for Assessing Skeletal Trauma
Mikoláš Jurda1、Luboš Řehounek2
1Department of Anthropology, Faculty of Science, Masaryk university, Bruno, Czech Republic, 2Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Prague, Czech Republic
Paleontology
13:00 - Presentation 6
Are internal structures preserved in vertebrates’ fossils useful for Finite element analysis?
– A pilot analysis using multiple preservation fossils–
Kumiko Matsui1, 2
1Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, DC, USA, 2The Kyushu University Museum, Kyushu University, Fukuoka, Japan
Are internal structures preserved in vertebrates’ fossils useful for Finite element analysis?
– A pilot analysis using multiple preservation fossils–
Kumiko Matsui1, 2
1Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, DC, USA, 2The Kyushu University Museum, Kyushu University, Fukuoka, Japan
13:15 – 13:35 Coffee Break
Session 2
Chair: Yusuke Matsuura, Department of Orthopaedic Surgery, Graduated School of Medicine, Chiba University
Hip & Femur 2
13:35 - Presentation 7
Cadaveric analysis of acetabular cartilages stress; Comparison of finite element analysis and pressure loading test
Keizo Wada, Yasuaki Tamaki, Tomohiro Goto, Daisuke Hamada, Koichi Sairyo
Department of Orthopaedics, Tokushima University Hospital, Tokushima, Japan
Cadaveric analysis of acetabular cartilages stress; Comparison of finite element analysis and pressure loading test
Keizo Wada, Yasuaki Tamaki, Tomohiro Goto, Daisuke Hamada, Koichi Sairyo
Department of Orthopaedics, Tokushima University Hospital, Tokushima, Japan
13:50 - Presentation 8
Total hip arthroplasty using a three-dimensional porous titanium acetabular cup: an examination of micromotion using subject-specific finite element analysis
Takaki Miyagawa, Haruhiko Akiyama
Department of Orthopaedic Surgery, Gifu University School of Medicine, Gifu, Japan
Total hip arthroplasty using a three-dimensional porous titanium acetabular cup: an examination of micromotion using subject-specific finite element analysis
Takaki Miyagawa, Haruhiko Akiyama
Department of Orthopaedic Surgery, Gifu University School of Medicine, Gifu, Japan
Spine 1
14:05 - Presentation 9
Verification of Image-Based Finite Element Analysis of Bone Using the New High-Precision Segmentation Technique
Shoma Yakushijin1, Daisuke Tawara2, Keiko Ono3, Sohei Yamakawa4
1Department of Mechanical and Systems Engineering, Graduate School of Science and Technology, Ryukoku University, Kyoto, Japan, 2Department of Mechanical Engineering and Robotics, Faculty of Advanced Science and Technology, Ryukoku University, Kyoto, Japan, 3Department of Intelligent Information Engineering and Science, Faculty of Science and Technology, Doshisha University, Kyoto, Japan, 4Department of Information Engineering and Science, Graduate School of Science and Technology, Doshisha University, Kyoto, Japan
Verification of Image-Based Finite Element Analysis of Bone Using the New High-Precision Segmentation Technique
Shoma Yakushijin1, Daisuke Tawara2, Keiko Ono3, Sohei Yamakawa4
1Department of Mechanical and Systems Engineering, Graduate School of Science and Technology, Ryukoku University, Kyoto, Japan, 2Department of Mechanical Engineering and Robotics, Faculty of Advanced Science and Technology, Ryukoku University, Kyoto, Japan, 3Department of Intelligent Information Engineering and Science, Faculty of Science and Technology, Doshisha University, Kyoto, Japan, 4Department of Information Engineering and Science, Graduate School of Science and Technology, Doshisha University, Kyoto, Japan
14:20 - Presentation 10
Biomechanical Evaluation of Cervical Basket Laminoplasty after Resection of Spinal Intramedullary Tumors: A Finite Element Analysis
Kentaro Naito1, Toshihiro Takami2
1Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan, 2Department of Neurosurgery, Osaka Medical and Pharmaceutical University, Osaka, Japan
Biomechanical Evaluation of Cervical Basket Laminoplasty after Resection of Spinal Intramedullary Tumors: A Finite Element Analysis
Kentaro Naito1, Toshihiro Takami2
1Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan, 2Department of Neurosurgery, Osaka Medical and Pharmaceutical University, Osaka, Japan
14:35 – 14:55 Coffee Break
Session 3
Chair: Daisuke Tawara, Department of Mechanical Engineering and Robotics, Faculty of Advanced Science and Technology, Ryukoku University
Spine 2
14:55 - Presentation 11
The effect of denosumab on pedicle screw fixation: A prospective 2-year longitudinal study using finite element analysis
Soji Tani, Koji Ishikawa, Yoshifumi Kudo, Tomoaki Toyone
Department of Orthopaedic Surgery, Showa University School of Medicine, Tokyo, Japan
The effect of denosumab on pedicle screw fixation: A prospective 2-year longitudinal study using finite element analysis
Soji Tani, Koji Ishikawa, Yoshifumi Kudo, Tomoaki Toyone
Department of Orthopaedic Surgery, Showa University School of Medicine, Tokyo, Japan
15:10 - Presentation 12
Exploration of structural parameters having strong correlation with vertebral compressive strength
Mitsugu Todo1, Shun Wu2, Daisuke Umebayashi3, Yu Yamamoto4
1Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan, 2Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Japan, 3Departmet of Neurosurgery, Kyoto Prefectural University of Medicine, Kyoto, Japan, 4Inazawa Municipal Hospital, Aichi, Japan
Exploration of structural parameters having strong correlation with vertebral compressive strength
Mitsugu Todo1, Shun Wu2, Daisuke Umebayashi3, Yu Yamamoto4
1Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan, 2Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka, Japan, 3Departmet of Neurosurgery, Kyoto Prefectural University of Medicine, Kyoto, Japan, 4Inazawa Municipal Hospital, Aichi, Japan
15:25 - Presentation 13
Quantification of spine surgery
Finite element method for nerve root decompression spine minimum invasive endoscopic surgery
Yoshihiro Kitahama1, Hideaki Miyake2, Yutaro Yamamoto3, Shinichiro Koizumi3, Kazuhiko Kurozumi3, Hiroo Shizuka4, Katsuhiko Sakai4, Naoki Hara5
1Spine center, Suzukake Central Hospital, 2Major of Medical Photonics, Hamamatsu University School of Medicine, 3Department of Neurosurgery, Hamamatsu University School of Medicine, 4Department of Mechanical Engineering, Faculty of Engineering, Shizuoka University, 5Research Center of Computational Mechanics, Inc. Tokyo, Japan
Quantification of spine surgery
Finite element method for nerve root decompression spine minimum invasive endoscopic surgery
Yoshihiro Kitahama1, Hideaki Miyake2, Yutaro Yamamoto3, Shinichiro Koizumi3, Kazuhiko Kurozumi3, Hiroo Shizuka4, Katsuhiko Sakai4, Naoki Hara5
1Spine center, Suzukake Central Hospital, 2Major of Medical Photonics, Hamamatsu University School of Medicine, 3Department of Neurosurgery, Hamamatsu University School of Medicine, 4Department of Mechanical Engineering, Faculty of Engineering, Shizuoka University, 5Research Center of Computational Mechanics, Inc. Tokyo, Japan
Veterinary Surgery
15:40 - Presentation 14
A study on the usefulness of FEM in the canine thoracolumbar spine
Yuki Kikuchi1, Yasushi Hara2
1Veterinary Surgery Laboratory, Nippon Veterinary and Life Science University, Tokyo, Japan, 2Nippon Veterinary and Life Science University, Tokyo, Japan
A study on the usefulness of FEM in the canine thoracolumbar spine
Yuki Kikuchi1, Yasushi Hara2
1Veterinary Surgery Laboratory, Nippon Veterinary and Life Science University, Tokyo, Japan, 2Nippon Veterinary and Life Science University, Tokyo, Japan
15:55 – 16:15 Coffee Break
Session 4
Chair: Jiro Sakamoto, Advanced Manufacturing Technology Institute, Kanazawa University
Shoulder & Upper Arm
16:15 - Presentation 15
Optimal length of the coracoid graft in the modified Bristow procedure: An analysis using 3-dimensional finite element method
Hirotaka Sano
Division of Orthopedics, Sendai City Hospital, Miyagi, Japan
Optimal length of the coracoid graft in the modified Bristow procedure: An analysis using 3-dimensional finite element method
Hirotaka Sano
Division of Orthopedics, Sendai City Hospital, Miyagi, Japan
Oral & Maxillofacial
16:30 - Presentation 16
Optimal treatment of zygomatic fractures using finite element analysis
Masae Ishida1, Hideyuki Mimata2, Kunitoshi Ninomiya1
1Department of Plastic surgery, The Jikei Daisan Hospital, Tokyo, Japan、2Research Center of Computational Mechanics, Inc., Tokyo, Japan
Optimal treatment of zygomatic fractures using finite element analysis
Masae Ishida1, Hideyuki Mimata2, Kunitoshi Ninomiya1
1Department of Plastic surgery, The Jikei Daisan Hospital, Tokyo, Japan、2Research Center of Computational Mechanics, Inc., Tokyo, Japan
16:45 - Presentation 17
Stress Distributions at the Peri-Implant Area for Transgingival and Subgingival Dental Implants
Luboš Řehounek
Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Prague, Czech Republic
Stress Distributions at the Peri-Implant Area for Transgingival and Subgingival Dental Implants
Luboš Řehounek
Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Prague, Czech Republic
Hand & Wrist
17:00 - Presentation 18
Evaluation of Appropriate Osteotomy Angle for Closed Wedge Osteotomy in Preiser Disease
Yusuke Matsuura
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
Evaluation of Appropriate Osteotomy Angle for Closed Wedge Osteotomy in Preiser Disease
Yusuke Matsuura
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
17:15 – 17:20 Closing Remarks