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- 저자 : Toshiyuki Hori (검색결과 3 건)
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Improvement of Reality on Input Device for Virtual Walk System
Toshiyuki Hori,Tatsuya Furukawa,Hisao Fukumoto,Masashi Ohchi,Yoshiyuki Nakashima 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In these days, elderly population is increasing in Japan. Demands on rehabilitation works might be larger as the old increase. In the authors’ laboratory, the Virtual Walk System has been designed and implemented. The system is intended to aid rehabilitation works with the Virtual Reality technology. Using commercially?supplied products, the proposed system is easy to be introduced to home with low costs and without occupying large space compared to the other rehabilitation systems introduced in the hospital. The present system supports a bicycle and a stepper, which enable cycling and walking exercises and moving in the virtual space.However, the conventional bicycle system didn’t support an operation to move right and left in the virtual space with its handlebar. Instead of operating it directly, users should operate a couple of switches mounted on the handlebar to move right and left. This has caused the unreality of using bicycle. In this study, the authors have improved a bicycle to enable an operation with a handlebar to move right and left in virtual space.
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Airborne Ku-Band Antenna Subsystem for Satellite Communications
Nuimura, Shuji,Horie, Toshiyuki,Sato, Hiroyuki,Naito, Izuru,Kumoi, Kazunari,Yoshizawa, Hidenori,Konishi, Yoshihiko,Takeuchi, Norio,Shimawaki, Yutaka 통신위성우주산업연구회 2004 Joint Conference on Satellite Communications Vol.2004 No.-
An Airborne Antenna Subsystem (AAS) is presented for Ku-band airborne broadband satellite communications. The AAS employs ultra-low profile dual reflector mechanical scanned antenna to reduce the additional aerodynamic drag with high RF performance up to low elevation beam direction. The AAS achieves precise satellite tracking capability under the severe dynamic condition of airplane. In addition, the AAS achieves precise polarization tracking capability for FSS satellite transponder application. Furthermore, wide-variety of novel technologies have been developed and applied to the AAS, such as high efficiency SSPAs, ultra-thin broadband OMT, etc. The AAS gas been confirmed to achieve excellent performance, and practically operated since Spring of 2004.
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Masahiro Inoue,Hisamitsu Ide,Koji Kurihara,Tatsuro Koseki,Jingsong Yu,Toshiyuki China,Keisuke Saito,Shuji Isotani,Satoru Muto,Shigeo Horie 대한비뇨의학회 2012 Investigative and Clinical Urology Vol.53 No.6
Purpose: The purpose of this study was to investigate the clinical and hormonal features of patients with incidentally discovered adrenal adenomas in relation to corticotropin releasing hormone (CRH) testing and the clinical outcome of adrenalectomy. Materials and Methods: Twenty-three consecutive patients with incidentally detected adrenal adenomas were included in this retrospective study. All the patients underwent abdominal computed tomography scans and hormonal assays, including assessment of circadian rhythms of plasma cortisol and corticotropin (adrenocorticotropic hormone, ACTH), a corticotropin stimulation test, and low-dose and high-dose dexamethasone tests. The patients were reevaluated at regular intervals (6, 12, and 24 months) for a median period of 24 months. Subclinical Cushing’s syndrome (SCS) was diagnosed in patients with subtle hypercortisolism who did not present clinical signs of Cushing’s syndrome. Results: We calculated the responsive index (peak value of ACTH in CRH test/baseline value of ACTH in CRH test). Of 23 patients, 6 had Cushing’s syndrome, 8 had SCS, and 9 had a non-functioning tumor. All patients underwent laparoscopic adrenalectomy. Several patients (5 of 6 with Cushing’s syndrome and 2 of 8 with SCS) required cortisol replacement therapy after surgery. The remaining patients required no hormonal replacement after surgery. Those who required hormone replacement had a responsive index of less than 1.2. Those who did not need hormone replacement therapy had a responsive index of more than 2.0. Conclusions: In our limited experience, the responsive index of the CRH test might be a valuable tool for predicting the need for cortisol replacement after surgery in patients with SCS. Purpose: The purpose of this study was to investigate the clinical and hormonal features of patients with incidentally discovered adrenal adenomas in relation to corticotropin releasing hormone (CRH) testing and the clinical outcome of adrenalectomy. Materials and Methods: Twenty-three consecutive patients with incidentally detected adrenal adenomas were included in this retrospective study. All the patients underwent abdominal computed tomography scans and hormonal assays, including assessment of circadian rhythms of plasma cortisol and corticotropin (adrenocorticotropic hormone, ACTH), a corticotropin stimulation test, and low-dose and high-dose dexamethasone tests. The patients were reevaluated at regular intervals (6, 12, and 24 months) for a median period of 24 months. Subclinical Cushing’s syndrome (SCS) was diagnosed in patients with subtle hypercortisolism who did not present clinical signs of Cushing’s syndrome. Results: We calculated the responsive index (peak value of ACTH in CRH test/baseline value of ACTH in CRH test). Of 23 patients, 6 had Cushing’s syndrome, 8 had SCS, and 9 had a non-functioning tumor. All patients underwent laparoscopic adrenalectomy. Several patients (5 of 6 with Cushing’s syndrome and 2 of 8 with SCS) required cortisol replacement therapy after surgery. The remaining patients required no hormonal replacement after surgery. Those who required hormone replacement had a responsive index of less than 1.2. Those who did not need hormone replacement therapy had a responsive index of more than 2.0. Conclusions: In our limited experience, the responsive index of the CRH test might be a valuable tool for predicting the need for cortisol replacement after surgery in patients with SCS.
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