Search Results 1-20 of 76

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  • Assessment of accidental events in images during capsule endoscopy  [in Japanese]

    藤井 有美子 , 小林 誠司 , 大西 芳明 , 田中 克哉 , 六車 直樹 , 高山 哲治

    … Recently, there have been some reports of electromagnetic interference during capsule endoscopy(CE)in regards to other medical devices and facility environment. … Detailed events were as follows ;1 disorder of the sensor array, 2 recorder freezes, and 1 electromagnetic interference. …

    四国医学雑誌 76(3-4), 159-164, 2020-08-25

    IR 

  • Flow analysis of a concentric cylinders of Oxygen sensor module  [in Japanese]

    Jeong Yoona , Kawaguchi Tatsuya , Saito Takushi , Satoh Isao

    … <p>The flow field around concentric cylinders for oxygen sensor was visualized by particle image velocimetry and CFD. … Two different size of transparent acrylic models were used and measurements were carried out by room temperature air with micro-capsule as tracer. … The throughput of the concentration fluctuation is enhanced by the higher velocity fluctuation around the side apertures that contribute to the quick response of the entire sensor module. …

    The Proceedings of the Thermal Engineering Conference 2019(0), 0178, 2019

    J-STAGE 

  • Pressure Measurement of Ultra-Short Pulse Laser-induced Underwater Focused Shock Wave at Focal Point  [in Japanese]

    SAKAI Ryo , TERAJIMA Ryosuke , TAMAGAWA Masaaki

    … <p>This paper describes a regenerating system of living tissue combining culture promotion and capsule destruction by shock wave, and the development of the system. … The capsule have an important role as a medium for cell culture in regenerative medical. … The pressure of shock wave was measured at the positions by the pressure sensor. …

    The Proceedings of Conference of Kyushu Branch 2019.72(0), E33, 2019

    J-STAGE 

  • APPLICATIONS OF EX-VESSEL NEUTRON DOSIMETRY IN CHINA PRESSURIZED-WATER REACTOR POWER PLANTS

    Zhang Yaping , Zhong Zhimin

    … Verify the in-vessel surveillance capsule neutron fluence measurements and evaluate the neutron fluence at the extension life end of the reactor pressure vessel if there is changes in the fuel design and fuel cycles. … Compared with the in-vessel surveillance capsule, EVND method, which also uses multiple foil sensor sets for neutron spectrum measurements, has the following advantages: 1. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1244, 2019

    J-STAGE 

  • Implementation of a Lightning System and a Video Rotation Cancelation Mechanism of a Double Capsulated Drifting Camera for Sewer Survey  [in Japanese]

    Maeda Takuma , Shimizu Shunta , Sawano Hiroaki , Ishihara Susumu

    … Towards a safe survey of sewer pipe, we have proposed a drifting wireless network camera system with a spherical capsule. … In addition, the effect of video rotation is reduced by using a gyro sensor introduced in the video rotation cancellation subsystem. …

    Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan 17.04(0), 87-90, 2018

    J-STAGE 

  • Experimental Study on Flow Characteristics with Gel Reaction in a Non–Element Mixer

    Yamaguchi Masaki , Hagiwara Ryo , Yokomori Takeshi , Ueda Toshihisa

    … A pressure sensor was used to measure the pressure variation at 100 mm upstream from the first branch flow pipe. … was low, the borax periodically formed a capsule-like slug similar to those that occur in multiphase flows. … was increased, the borax capsule was stretched by the shear stress of the main flow and adhered to the upside wall of the mixer. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 50(7), 485-491, 2017

    J-STAGE 

  • Development of On-board Ablation Sensor Unit and Flight Demonstration using Small Re-entry Capsule integrated into the HTV  [in Japanese]

    SUZUKI Toshiyuki , DANTSUKA Yu-ki , KUWAMURA Ko-ya , SAKAI Takeharu , ISHIDA Yu-ichi , WATANABE Yasuhide , FUJITA Kazuhisa

    The Proceedings of Mechanical Engineering Congress, Japan 2016(0), S1910204, 2016

    J-STAGE 

  • Development of Small Sweating Rate Meters and Sweating Rate Measurement during Mental Stress Load and Heat Load  [in Japanese]

    TSURUOKA Noriko , KONO Takahiro , MATSUNAGA Tadao , NAGATOMI Ryoichi , HAGA Yoichi

    … The device for measuring mental sweating rate consists of a main body, which has an air pump and two humidity sensors, and a capsule connected to the main body by tubes in which air flows. … The device for measuring thermal sweating rate has a pump and two humidity sensors, an aperture instead of a capsule, and a flow channel on a flexible substrate. …

    Transactions of Japanese Society for Medical and Biological Engineering 54(5), 207-217, 2016

    J-STAGE 

  • Quantitative Evaluation of an Unrestrictive Sweat Rate Measurement Device

    Seno Shin-ichiro , Nemoto Tetsu , Fukuoka Masakazu , Watanabe Atsushi , Kato Sachiko , Kogure Eiki , Kobayashi Hiroko , Shimazu Hideaki

    … The ventilation capsule method is another method for quantification of sweat rate. … This sweat meter contains silica gel that serves as an absorbent for sudoriferous steam and uses a temperature–humidity sensor to detect humidity changes in the device caused by sweating. …

    Advanced Biomedical Engineering 5(0), 76-82, 2016

    J-STAGE  Ichushi Web 

  • Intra-Corporeal Sensor-Telemeter with Primary Battery using Body Fluid as Electrolyte  [in Japanese]

    MATSUMOTO SEIJI , TAKEUCHI YASUHITO , KAKIZAKI HIDEHIRO

    … unnecessary in a capsule type sensor-telemeter transmitter. … It employs a pair of electrode, magnesium for negative and silver-silver-chloride or carbon positive, placed across the surface of the plastic capsule. … A model capsule about 6mm dia. …

    Transactions of Japanese Society for Medical and Biological Engineering 53(Supplement), S202_03-S202_03, 2015

    J-STAGE 

  • 2A2-G06 Makerless state estimation of an aerial extinguisher with an inert gas capsule  [in Japanese]

    Yagihashi Ryo , Iwatani Yasushi , Torikai Hiroyuki

    … This paper proposes a markerless state estimation technique for an aerial extinguisher with an inert gas capsule using a depth sensor. … The proposed technique extracts the capsule from each depth image. … The state of the extinguisher at each time step is estimated from the extracted capsule. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2015(0), _2A2-G06_1-_2A2-G06_2, 2015

    J-STAGE 

  • TuD-2-2 A Novel 3D Solid-Fluid-Electric Finite Element Model with Cuffless Strain Blood Pressure Sensor

    Kao Yung-Hua , Tu Tse-Yi , Chao Paul C.-P.

    … In this study, a novel simulation method was used in non-invasive, cuffless BP sensor via a 3D fluid-solid-electric FEM which includes sensor of gel capsule and strain-sensing electrodes, radial artery, blood, radius bones, tendon, muscles and the front-end readout circuit. … A novel simulation method in non-invasive, cuffless BP sensor was successfully developed via a 3D fluid-solid-electric FEM. …

    Proceedings of JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment : IIP/ISPS joint MIPE 2015(0), _TuD-2-2-1-_TuD-2-2-3, 2015

    J-STAGE 

  • Effect of Rarefied Gas Dynamics on Response of Air Data Sensor System for Atmospheric Entry Vehicle Flying at High Altitudes

    WATANABE Yasumasa , YANO Ryosuke , HONMA Naohiko , NAGATA Yasunori , YAMADA Kazuhiko , SUZUKI Kojiro

    … An air data sensor (ADS) system is one of the key components in space transports. … These results suggest that the propagation delay observed in the flight test of the atmospheric-entry capsule descending at an altitude of 79 km with Mach-4.5 flight velocity was partly caused by the rarefied gas effect. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 12(ists29), To_2_1-To_2_5, 2014

    J-STAGE 

  • Development of Optical Sugar Sensors as Implantable Devices for Interstitial Glucose Monitoring  [in Japanese]

    TOHDA Koji

    … A theoretical model describing the sensor glucose responses was proposed. … In this model, the glucose influx and the gluconic acid efflux across the capsule membrane were combined with the enzymatic kinetics inside the capsule. …

    BUNSEKI KAGAKU 62(10), 903-914, 2013-10-05

    J-STAGE  Ichushi Web  References (33)

  • Measurement of Core Body Temperature by an Ingestible Capsule Sensor and Evaluation of its Wireless Communication Performance

    YAMASUE Kotaro , HAGIWARA Hiroaki , TOCHIKUBO Osamu , SUGIMOTO Chika , KOHNO Ryuji

    … We measured core body temperature continuously using an ingestible capsule sensor that has excellent ambulatory utility in daily life. … Temperature readings and communication quality were found to be negligibly affected by the intracorporeal position of the capsule as determined by radiography, with no significant temperature difference among positions in the stomach, the small intestine and the large intestine. …

    Advanced Biomedical Engineering 1(0), 9-15, 2012

    J-STAGE 

  • S191015 A Study on Skip Entry of the Lifting-flight Capsule with Super-orbital Velocity  [in Japanese]

    YAMADA Tetsuya , KAWANO Isao , TAN'NO Hideyuki

    … The reentering capsule with super-orbital velocity in manned space flight missions such as return from the lunar orbit, or from asteroids require lifting entry in order to restrict deceleration and heat transfer rate within a given range. …

    The Proceedings of Mechanical Engineering Congress, Japan 2012(0), _S191015-1-_S191015-4, 2012

    J-STAGE 

  • Method for capsule endoscopy (without interpretation of images)  [in Japanese]

    FUJIMORI Shunji , TAKAHASHI Yoko , SEO Tsuguhiko , SAKAMOTO Choitsu

    Capsule endoscopy was developed to visualize the entire small intestine. … The major advantage of capsule endoscopy is that it is a painless procedure without any restriction of the patient's daily life. … Briefly, after a 12h-fast, subjects were equipped with a sensor array and recorder belt pack and given a capsule (PillCam<SUP>®</SUP> …

    GASTROENTEROLOGICAL ENDOSCOPY 52(9), 2738-2744, 2010-09-20

    J-STAGE  Ichushi Web  References (17)

  • Intra-Corporeal Acquisition of Physiological Signals and Their Application fir Continuous Monitoring (Basic experiments in small animals)  [in Japanese]

    YOSHIZAKI Nobuyuki , MATSUMOTO Seiji , UEMURA Hirotsugu , TAKEUCHI Yasuhito

    … In order to measure the cystometrography in a continuous and non-invasive way, a capsule telemeter prototype equipped with bellows for bladder pressure measuring, and enabled to transmit wirelessly by magnetic coupling has been designed. … It has been proved that our sensor-telemetry-system can continuously observe cystometrography and heart rate in real-time. …

    Transactions of Japanese Society for Medical and Biological Engineering 48(2), 220-225, 2010-04-10

    J-STAGE  Ichushi Web  References (18)

  • Conceptual Design of a Miniature High Frequency Magnetic Fields Measurement System in a Human Body Phantom

    Y.M. Gimm , S. Nam , O. Kim , Y. Kwon , G.W. Gimm

    IEICE Proceeding Series (14), 73-76, 2009

    DOI 

  • Studies on the Relationship between Daily Living Activities and Parameters Measured by an Ingestible Capsule Body Temperature-Sensor and Portable Body Movement-Heart Rate Monitors  [in Japanese]

    KAGAMIMORI Sadanobu , 新村 哲夫 , 関根 道和 , 王 紅兵 , 松原 勇 , 立瀬 剛志

    The Journal of The Japanese Society of Balneology, Climatology and Physical Medicine 72(1), 59, 2008-11-01

    J-STAGE  Ichushi Web 

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