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Kiyomi Matsuo,Tomoyuki Murata,Takanori Koga,Atsuko Kubo,Yuichi Yoshida,Yosuke Karakawa,Hiroshi Kawaguchi,Toru Tanaka,Jun Masaki,Toshikatsu Taketomi,Takeo Kitajima 한국재활복지공학회 2008 재활복지공학회논문지 Vol.2 No.1
In this paper,I will report the cases of children who are able to study at kindergarten or elementary school because they learned how to move by themselves using a moving aid before school age, and I will also discuss the development of a mobility device which allows severely disabled preschoolers to practice moving around by themselves safely and easily at home and institutions.
Matsuo, Kiyomi,Murata, Tomoyuki,Koga, Takanori,Kubo, Atsuko,Yoshida, Yuichi,Karakawa, Yosuke,Kawaguchi, Hiroshi,Tanaka, Toru,Masaki, Jun,Taketomi, Toshikatsu,Kitajima, Takeo Rehabilitation Engineering And Assistive Technolog 2008 재활복지공학회논문지 Vol.2 No.1
In this paper, I will report the cases of children who are able to study at kindergarten or elementary school because they learned how to move by themselves using a moving aid before school age, and I will also discuss the development of a mobility device which allows severely disabled preschoolers to practice moving around by themselves safely and easily at home and institutions.
Kiyomi Matsuo,Tomoyuki Murata,Takanori Koga,Atsuko Kubo,Yuichi Yoshida,Yosuke Karakawa,Hiroshi Kawaguchi,Tom Tanaka,Jun Masaki,Toshikatsu Taketorni,Takeo Kitajima 한국재활복지공학회 2008 한국재활복지공학회 학술대회논문집 Vol.2008 No.11
In this paper, I will report the cases of children who are able to study at kindergarten or elementary school because they learned how to move by themselves using a moving aid before school age, and I will also discuss the development of a mobility device which allows severely disabled preschoolers to practice moving around by themselves safely and easily at home and institutions.
Monocular Vision based Indoor Mobile Robot
Naoya Tada,Keisuke Murata,Takeshi Saitoh,Tomoyuki Osaki,Ryosuke Konishi 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
This paper presents the indoor mobile robot that moves automatically without needing environment information beforehand while recognizing the frontal surrounding environment with only one general camera. Based on the frontal image, the robot detects two boundary lines, some obstacle regions, and a moving direction. When the obstacle is detected, the avoidance or stop movement is worked according to the size and the position of the obstacle, otherwise the robot moves at the center of the corridor. We developed two wheelchair based mobile robots, and carried out moving experiments. It was possible to pass each other without colliding by working the avoidance movement in face-to-face movement in the coexistence environment.
Seiji Ohtori,Masaomi Yamashita,Yasuaki Murata,Yawara Eguchi,Yasuchika Aoki,Hiromi Ataka,Jiro Hirayama,Tomoyuki Ozawa,Tatsuo Morinaga,Hajime Arai,Masaya Mimura,Hiroto Kamoda,Sumihisa Orita,Masayuki Miy 연세대학교의과대학 2014 Yonsei medical journal Vol.55 No.3
Purpose: To examine the effects of conservative and surgical treatments for nocturnalleg cramps in patients with lumbar spinal stenosis (LSS). Nocturnal leg cramps is frequently observed in patients with peripheral neuropathy. However, there have been few reports on the relationship between nocturnal leg cramps and LSS, and it remains unknown whether conservative or surgical intervention has an impact on leg cramps in patients with LSS. Materials and Methods: The subjects were 130 LSS patients with low back and leg pain. Conservative treatment such as exercise, medication, and epidural block was used in 66 patients and surgical treatmentsuch as decompression or decompression and fusion was performed in 64 patients. Pain scores and frequency of nocturnal leg cramps were evaluated based on self-reported questionnaires completed before and 3 months after treatment. Results: The severity of low back and leg pain was higher and the incidence of nocturnal leg cramps was significantly higher before treatment in the surgically treated group compared with the conservatively treated group. Pain scores improvedin both groups after the intervention. The incidence of nocturnal leg cramps was significantly improved by surgical treatment (p=0.027), but not by conservative treatment (p=0.122). Conclusion: The findings of this prospective study indicate that the prevalence of nocturnal leg cramps is associated with LSS and severity of symptoms. Pain symptoms were improved by conservative or surgicaltreatment, but only surgery improved nocturnal leg cramps in patients with LSS. Thus, these results indicate that the prevalence of nocturnal leg cramps is associatedwith spinal nerve compression by LSS.
Seiji Ohtori,Masaomi Yamashita,Yasuaki Murata,Yawara Eguchi,Yasuchika Aoki,Hiromi Ataka,Jiro Hirayama,Tomoyuki Ozawa,Tatsuo Morinaga,Hajime Arai,Masaya Mimura,Hiroto Kamoda,Sumihisa Orita,Masayuki Miy 연세대학교의과대학 2013 Yonsei medical journal Vol.54 No.4
Purpose: The pathological mechanism of lumbar spinal stenosis is reduced blood flow in nerve roots and degeneration of nerve roots. Exercise and prostaglandin E1 is used for patients with peripheral arterial disease to increase capillary flow around the main artery and improve symptoms; however, the ankle-brachial index (ABI), an estimation of blood flow in the main artery in the leg, does not change after treatment. Lumbar spinal nerve roots contain somatosensory, somatomotor, and unmyelinated autonomic nerves. Improved blood flow by medication with prostaglandin E1 and decompression surgery in these spinal nerve roots may improve the function of nerve fibers innervating muscle, capillary, and main vessels in the lower leg, resulting in an increased ABI. The purpose of the study was to examine whether these treatments can improve ABI. Materials and Methods: One hundred and seven patients who received conservative treatment such as exercise and medication (n=56) or surgical treatment (n=51) were included. Low back pain and leg pain scores, walking distance, and ABI were measured before treatment and after 3 months of conservative treatment alone or surgical treatment followed by conservative treatment. Results: Low back pain, leg pain, and walking distance significantly improved after both treatments (p<0.05). ABI significantly increased in each group (p<0.05). Conclusion: This is the first investigation of changes in ABI after treatment in patients with lumbar spinal stenosis. Improvement of the spinal nerve roots by medication and decompression surgery may improve the supply of blood flow to the lower leg in patients with lumbar spinal stenosis.
( Yasuhiro Morita ),( Shigeki Bamba ),( Osamu Inatomi ),( Kenichiro Takahashi ),( Takayuki Imai ),( Masaki Murata ),( Masashi Ohno ),( Masaya Sasaki ),( Tomoyuki Tsujikawa ),( Akira Andoh ) 대한장연구학회 2020 Intestinal Research Vol.18 No.2
Background/Aims: We retrospectively analyzed Crohn’s disease (CD) patients with small intestinal strictures who underwent single-balloon enteroscopy (SBE) to ascertain whether prototype SBEs with a passive bending mechanism and high force transmission insertion tube had better insertability in the small intestine than a conventional SBE. Methods: Among 253 CD patients who underwent SBE, we identified 94 CD patients who had undergone attempted endoscopic balloon dilatation (EBD) for small intestinal stenosis for inclusion in this study. We analyzed whether the type of scope used for their initial procedure affected the cumulative surgery-free rate. For the insertability analysis, patients who underwent SBE at least twice were divided into 3 groups according to the type of scope used: conventional SBE only, prototype SBE only, and both conventional and prototype SBEs. For each group, depth of insertion, procedure time, and number of EBDs were compared in the same patient at different time points. Results: The success rate of EBD was 88.3%. The 5- and 10-year cumulative surgery-free rate was 75.7% and 72.8%, respectively. Cox regression analysis indicated that the factors contributing to surgery were long stricture (≥2 cm), EBD failure, and elevated Crohn’s Disease Activity Index, but not the type of scope used for EBD. The prototype SBEs significantly improved the depth of insertion (P=0.03, Wilcoxon’s signed-rank test). Conclusions: In CD patients with small intestinal stenosis, the prototype SBEs with a passive bending mechanism and high force transmission insertion tube did not improve long-term EBD outcome but did improve deep insertability. (Clinical Trial Registration No. UMIN000037102) (Intest Res 2020;18:229-237)