A5060149619- Knee injuries and reconstruction techniques
- Lower Extremity Biomechanics and Pathologies
- Osteoarthritis Treatment and Mechanisms
- ZnO doping and properties
- Total Knee Arthroplasty Outcomes
- Metal and Thin Film Mechanics
- Gas Sensing Nanomaterials and Sensors
- Transition Metal Oxide Nanomaterials
- Stroke Rehabilitation and Recovery
- Thin-Film Transistor Technologies
- Cancer-related molecular mechanisms research
- Electrical Contact Performance and Analysis
- Shoulder Injury and Treatment
- Physics of Superconductivity and Magnetism
- Shoulder and Clavicle Injuries
- Solar-Powered Water Purification Methods
- Spinal Cord Injury Research
- Semiconductor materials and devices
- Orthopedic Infections and Treatments
- Coronary Interventions and Diagnostics
- Virtual Reality Applications and Impacts
- Dust and Plasma Wave Phenomena
- 3D Printing in Biomedical Research
- Antimicrobial Resistance in Staphylococcus
- Cardiac tumors and thrombi
University of Tsukuba
2024-2025
Fujifilm (Japan)
2019-2022
Tohoku Fukushi University
2017
Saitama Medical University
2016
Kanazawa Medical Center
2011
National Hospital Organization
2011
Asahi Glass (Japan)
1981-1997
Preparation of low resistance indium tin oxide (ITO) films on large scale glass substrate has been studied for architectural applications. Coatings were carried out by a plasma enhanced deposition technique using sintered ITO pellets as the starting material and high rate more than 4000 Å/min was achieved. Scanning tunneling microscopy observation revealed that surface morphology thick (about 1 μm) film strongly dependent temperature. Crystallinity electrical properties also temperature...
Abstract Background We developed a fully automatic three-dimensional knee MRI analysis software that can quantify meniscus extrusion and cartilage measurements, including the projected area ratio (PCAR), which represents of subject’s actual to their ideal area. also collected 3D data from 561 volunteers (aged 30–79 years) “Kanagawa Knee Study.” Our purposes were verify accuracy for segmentation using examine relationship between medial measurements Kanagawa Study data. Methods constructed...
The positional relationship between cartilage defects and the meniscus is poorly understood for osteoarthritis of knee. Our purpose was to clarify how extend their association with location during progression. subjects were women in 70 s who registered Kanagawa Knee Study. We obtained 3D MRI images tibial surfaces menisci area ratios < 0.95 examined morphological medial (MM) by viewing according ratio at region. Of 561 Study subjects, 45 included analyses, 11 had a tibia. Significant...
We have developed 3-dimensional (3D) magnetic resonance imaging (MRI) analysis software that allows measurement of the projected cartilage area ratio with a particular thickness intended to allow quantitation in knee. Our aims this study were validate both pig and human knees examine patients reporting knee pain.After 3D MRI reconstruction, femoral was onto flat surface. The determined using our software, compared obtained other software. (for ≥1.5 mm) at 4 segments also validated knees....
BackgroundWe have developed a fully automatic three-dimensional MRI analysis software program for segmentation of knee cartilage using deep neural network. The purpose this study was to use clarify the interscan measurement error thickness and projected area ratio at 9 regions 45 subregions in knee.MethodsTen healthy volunteers underwent twice same day. provided (thickness ≥ 1.5 mm) without any manual correction. calculated each region subregion from data nine donors, except one donor who...
Abstract The relationship between various mechanical properties of evaporated indium tin oxide (ITO) films has been investigated. hardness and internal stress were found to be correlated. This correlation can expressed as a linear expression similar that reported for bulk material. strength adhesion the substrate was observed related stress. also could well interpreted quantitatively by assuming stored elastic energy in ITO constant during peeling. coefficient kinetic friction not any...
There have been no studies investigating three-dimensional (3D) alteration of the coracohumeral distance (CHD) associated with shoulder motion. The aim this study was to investigate change 3D-CHD arm in flexion/internal rotation and horizontal adduction. Six intact shoulders four healthy volunteers were obtained for study. MRI taken positions: internal at 0°, 45°, 90° flexion, flexion maximum Using a motion analysis system, 3D models coracoid process proximal humerus created from data. CHD...
We have measured the adhesion strengths of metal oxide and nitride thin films reactively sputtered onto glass substrates using a specially devised direct pull-off test. For double-layer coatings such as (CrNx, TiNx)/metal (Al2O3, SnO2, Ta2O5, TiO2, ZnO, ZrO2)/glass, separation usually took place at nitride/oxide interface. The strength interface was found to depend on chemical bonding in concerned: for same top layer, increased metal-oxygen (M-O) bond underlayer decreased. X-ray...
Abstract Background: We developed a fully automatic three-dimensional knee MRI analysis software that can quantify meniscus extrusion and cartilage measurements, including the projected area ratio (PCAR), which represents of subject’s actual to their ideal area. also collected 3D data from 561 volunteers (aged 30–79 years) “Kanagawa Knee Study.” Our purposes were verify accuracy for segmentation using examine relationship between medial measurements Kanagawa Study data. Methods: constructed...
This study proposes a modular platform to improve the adoption of gamification in conventional physical rehabilitation programs. The effectiveness is correlated patient’s adherence program. can be diminished due factors such as motivation, feedback, and isolation. Gamification means adding game-like elements traditionally non-game activity. has been shown effective providing more engaging experience improving adherence. made three main parts; central hardware hub, various wired wireless...
Arm cycling has been proven to be an effective exercise for stroke rehabilitation. It strengthens the upper body, improves arm control, and can aid in restoring walking abilities. Promoting engagement of paretic is crucial, tailoring load accommodate limitations side a practical approach encourage safe use this arm. We propose that modulation based on EMG activity weaker side. This work assesses feasibility implementing with asymmetric loading modulated by proposes device design. conducted...
我が国における手術時手指消毒法の検討においては，2002年のCDCによるガイドラインの発表から速乾式擦式消毒剤を用いたWaterless (WL)法が注目されている．感染制御の見地から手術時手指消毒法の検討にとって，細菌の抗菌薬感受性を検討することは必須であるが，実際は細菌の減少効果のみの報告が多い．そこで，当大学附属病院で実施した実際の手術時におけるWL法による手指消毒の有効性について検討した． 2009年3月～8月に実施した手術を担当した医療従事者(医師および看護師)を対象とした．従来からのスクラブ洗浄および0.2 w/v%クロルヘキシジングルコン酸塩含有アルコール製剤を用いた洗浄によるTwo-stage (TS)法，または0.5 w/v%クロルヘキシジングルコン酸塩含有アルコール製剤を用いたWL法により手指消毒した直後および手術実施後における手指細菌数をグローブジュース法により算出し，両消毒法による消毒効果を比較検討した．...
The meniscus coverage ratio is an important factor in knee osteoarthritis. calculated by our software, which automatically segments and cartilage regions from MR images, correlates with measurements. However, the significance of changes questionable due to possible intermeasurement error during sequential observations. purpose this study was show interscan measurement errors meniscal measurements, especially ratio. Ten healthy volunteers had two 3.0T MRI examinations on same day. We...
目的 現在のジャカード織機の回転数は130rpm位が限界とされているが, 回転数をあげることにより生じる障害を検討して, 高速化をはかる. 成果 高速化にともない矢金の振れが激しくなるが, 振れの程度を矢金の落下点の分布状態から判定した.これには特殊な記録紙に矢金から火花放電させる方法を考案し, 通糸の振れを制御する板を設けて落下点分布範囲をせばめ, 回転数を高めることができた.また高速化による機の支障個所を調整し, たて糸張力, 矢金重量を検討した.以上の手段を講じることにより180rpm位まで高速化することが可能となろう.
Abstract Objective We have developed a fully automatic three-dimensional MRI analysis software that measures the projected cartilage area ratio (PCAR) to allow for quantification of in knee. Our objectives this cross-sectional study were verify our software’s accuracy and quantify meniscus extrusion. also examined which was most affected by age analyzed relationship between PCAR Methods 108 subjects selected training, Dice similarity coefficients determined from 5 other subjects. This...