Transactions of Japanese Society for Medical and Biological Engineering最新文献

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Effect of photosensitization reaction on myelinated or unmyelinated nerve 光敏反应对有髓神经和无髓神经的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.574
Haruka Takahashi, R. Hamada, E. Ogawa, T. Arai
{"title":"Effect of photosensitization reaction on myelinated or unmyelinated nerve","authors":"Haruka Takahashi, R. Hamada, E. Ogawa, T. Arai","doi":"10.11239/JSMBE.55ANNUAL.574","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.574","url":null,"abstract":"To investigate nerve injury by a photosensitization reaction ex vivo, we observed an uptake of talaporfin sodium into crayfish nerve and porcine phrenic nerve, and measured electrophysiological conduction velocity of the crayfish nerve during the reaction. We found the drug uptake of inside the perineurium was lower than that of outside in porcine phrenic nerve. The crayfish nerve was immersed into 20 μg/ml talaporfin sodium for 15 min and irradiated by a 663 nm laser light with 120 mW/cm2. Since we found the measured conduction velocity was decreased increasing the irradiation time, the nerve might not be resistant to the photosensitization reaction at atmospheric oxygen environment. It was reported that the phrenic nerve was intact when an electro blockade using photosensitization reaction was performed in vivo animal experiment. Low uptake of talaporfin sodium inside the perineurium and low oxygen partial pressure of nerve might be the mechanism to preserve phrenic nerve in vivo animal experiment.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"29 1","pages":"574-575"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78953691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrocardiogram Measurement during Overnight Sleep using Smart-wear 使用智能穿戴测量夜间睡眠期间的心电图
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.302
Yusuke Sakaue, A. Kodera, Naruhiko Shiozawa, M. Makikawa
{"title":"Electrocardiogram Measurement during Overnight Sleep using Smart-wear","authors":"Yusuke Sakaue, A. Kodera, Naruhiko Shiozawa, M. Makikawa","doi":"10.11239/JSMBE.55ANNUAL.302","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.302","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"18 1","pages":"302-302"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78497946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of bifurcation angle and inflow coefficient on rupture risk of bifurcation type basilar artery top aneurysms 分岔角度及流入系数对分岔型基底动脉顶动脉瘤破裂风险的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.412
Sherif Rashad, Shin-ichiro Sugiyama, Kuniyasu Niizuma, T. Tominaga
{"title":"Impact of bifurcation angle and inflow coefficient on rupture risk of bifurcation type basilar artery top aneurysms","authors":"Sherif Rashad, Shin-ichiro Sugiyama, Kuniyasu Niizuma, T. Tominaga","doi":"10.11239/JSMBE.55ANNUAL.412","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.412","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"44 1","pages":"412-412"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73795240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dynamic viscoelastic properties of human skin using impact solicitation and ultrasonic echography monitoring 利用冲击诱发和超声监测人体皮肤的动态粘弹性特性
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.418
M. Djaghloul, S. Tupin, A. Abdouni, H. Zahouani
{"title":"Dynamic viscoelastic properties of human skin using impact solicitation and ultrasonic echography monitoring","authors":"M. Djaghloul, S. Tupin, A. Abdouni, H. Zahouani","doi":"10.11239/JSMBE.55ANNUAL.418","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.418","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"26 1","pages":"418-418"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77274783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unseeded Cavitation with Confocal Ultrasound for the Potentiation of Doxorubicin 非种子空化与共聚焦超声增强阿霉素
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.417
M. Lafond, Cécile Fant, J. Mestas, C. Lafon, S. Umemura
{"title":"Unseeded Cavitation with Confocal Ultrasound for the Potentiation of Doxorubicin","authors":"M. Lafond, Cécile Fant, J. Mestas, C. Lafon, S. Umemura","doi":"10.11239/JSMBE.55ANNUAL.417","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.417","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"27 1","pages":"417-417"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82154162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical imaging of arteriovenous fistula for clinical application: Clarification of transillumination image of blood vessel by image-subtraction 动静脉瘘的光学成像在临床中的应用:图像减影法对血管透照图像的澄清
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/jsmbe.55Annual.593
Hideaki Kamiyama, M. Kitama, H. Shimizu, M. Yamashita, Toru Yokoyama, Y. Kojima, K. Shimizu
{"title":"Optical imaging of arteriovenous fistula for clinical application: Clarification of transillumination image of blood vessel by image-subtraction","authors":"Hideaki Kamiyama, M. Kitama, H. Shimizu, M. Yamashita, Toru Yokoyama, Y. Kojima, K. Shimizu","doi":"10.11239/jsmbe.55Annual.593","DOIUrl":"https://doi.org/10.11239/jsmbe.55Annual.593","url":null,"abstract":"3. Experiment and Discussion � 試作したコイルの特性を評価するため,イン ピーダンス計測実験を行った.また,比較のた め,キャパシタを挿入しない非分割コイルも2 種類試作した.1つは分割コイルと直径,コイ ル長さ,巻き数が同じで,もう一つは分割コイ ルと自己共振周波数が同程度となる,巻き数10 の非分割コイルである. リアクタンスの計測結果をFig. 4,結果のまとめ をTable 1に示す.巻き数12の非分割コイルの自 己共振周波数が156 MHzに対し,分割コイルで は179 MHzと,約15%と高い値となり,自己共 振周波数を向上することができた.また,巻き 数10の非分割コイルは自己共振周波数が185 MHzと,分割コイルと同程度の自己共振周波数 となった. 次に各コイルがMRI用マイクロコイルとして 使用可能かどうかを判断するためMRI信号受信 回路に実装し,SWR (Standing Wave Ratio) 計測 実験を行った.分割コイルのSWRは約1.2,巻き 数12の非分割コイルは約3.1となり,巻き数12の 非分割コイルはMRI用マイクロコイルとして使 用困難であるが,分割コイルは同じ巻き数であ りながら使用可能である.これは,キャパシタ 分割により自己共振周波数が向上したためであ る.なお,巻き数10の非分割コイルもSWRが約","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"111 1","pages":"593-594"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79918952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Patient-Specific Study Of Stress Area Of The Pathological Aorta. A Combined 4D Flow MRI - Computational Fluid Dynamics Analysis 病理性主动脉受压区患者特异性研究。四维流动MRI -计算流体动力学分析
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.413
C. Acquitter, T. Hayase, A. Lalande
{"title":"Patient-Specific Study Of Stress Area Of The Pathological Aorta. A Combined 4D Flow MRI - Computational Fluid Dynamics Analysis","authors":"C. Acquitter, T. Hayase, A. Lalande","doi":"10.11239/JSMBE.55ANNUAL.413","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.413","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"63 1","pages":"413-413"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73204169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of in-vitro experimental devices for in-situ evaluation of hemodynamic effects induced by endovascular devices and their deployment 原位评价血管内装置血流动力学影响的体外实验装置的研制及其部署
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.416
S. Tupin, H. Anzai, M. Ohta
{"title":"Development of in-vitro experimental devices for in-situ evaluation of hemodynamic effects induced by endovascular devices and their deployment","authors":"S. Tupin, H. Anzai, M. Ohta","doi":"10.11239/JSMBE.55ANNUAL.416","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.416","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"63 1","pages":"416-416"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84672193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction of the EPR effect in a mouse model of lung metastasis EPR在小鼠肺转移模型中的诱导作用
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2017-01-01 DOI: 10.11239/JSMBE.55ANNUAL.377
A. Sukhbaatar, S. Horie, Tetsu Takahashi, S. Mori, T. Kodama
{"title":"Induction of the EPR effect in a mouse model of lung metastasis","authors":"A. Sukhbaatar, S. Horie, Tetsu Takahashi, S. Mori, T. Kodama","doi":"10.11239/JSMBE.55ANNUAL.377","DOIUrl":"https://doi.org/10.11239/JSMBE.55ANNUAL.377","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"277 1","pages":"377-377"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85697594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An analysis of elderly drivers’, cyclists’ and pedestrians’ behaviors using wearable sensors 使用可穿戴传感器分析老年司机、骑自行车者和行人的行为
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2016-06-10 DOI: 10.11239/JSMBE.54.129
Masahiro Tada, Masaya Okada, K. Renge
{"title":"An analysis of elderly drivers’, cyclists’ and pedestrians’ behaviors using wearable sensors","authors":"Masahiro Tada, Masaya Okada, K. Renge","doi":"10.11239/JSMBE.54.129","DOIUrl":"https://doi.org/10.11239/JSMBE.54.129","url":null,"abstract":"Rapid aging of Japanʼs population has caused serious traffic problems in the country. In 2015, over half of the fatalities in traffic accidents were elderlies. However, only a few studies have investigated the elderly driversʼ, cyclistsʼ and pedestriansʼ behaviors in real traffic conditions. We have developed a system to evaluate elderly personsʼ driving riding walking skills from the viewpoint of preventing accidents, using small wireless wearable sensors that directly measure their behaviors. In this paper, we study characteristics of risky behaviors in the elderly. Through an experiment involving 749 elderly drivers, we found that elderly driversʼ tendency to neglect proper scanning to confirm safety contributed to their hazardous driving performance. We also found that elderly persons with no driving license behaved in a more hazardous manner while walking or riding bicycle compared to those with license.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":"1996 1","pages":"129-134"},"PeriodicalIF":0.0,"publicationDate":"2016-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88126209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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