A5102752384- Tactile and Sensory Interactions
- Interactive and Immersive Displays
- Gaze Tracking and Assistive Technology
- Fusion materials and technologies
- Gastric Cancer Management and Outcomes
- Design Education and Practice
- Biomimetic flight and propulsion mechanisms
- Usability and User Interface Design
- Augmented Reality Applications
- Colorectal Cancer Screening and Detection
- Hand Gesture Recognition Systems
- Geographic Information Systems Studies
- Esophageal and GI Pathology
- Genetic factors in colorectal cancer
- Robotics and Automated Systems
- Nuclear Materials and Properties
- Innovative Human-Technology Interaction
- Nuclear reactor physics and engineering
- Persona Design and Applications
- Particle accelerators and beam dynamics
- Urban and spatial planning
- Digital Accessibility for Disabilities
- Linguistic Variation and Morphology
- Wikis in Education and Collaboration
- Infrared Target Detection Methodologies
Future University Hakodate
2007-2022
Kuraray (Japan)
2018
Shikoku (Japan)
2013
Taisei (Japan)
2012
The University of Tokyo
1999-2011
JR Tokyo General Hospital
2011
Osaka Prefecture University
2008-2011
Yahoo (United States)
2007
Gujarat Institute of Desert Ecology
2006
Tohoku University
1998-2000
OBJECTIVES Considering the increasing demand for colonoscopy, auxiliary devices that could facilitate examination would be useful. A hood attached to tip of colonoscope has been reported helpful in detecting and removing colorectal polyps. However, its usefulness aiding scope intubation not fully evaluated. METHODS Patients colonoscopy between July 2004 May 2005 Tokyo University Hospital were enrolled this randomized controlled trial, assigned with a transparent hood, short or no hood....
Background and Aim: The technique of endoscopic submucosal dissection (ESD) was introduced to obtain en bloc specimens large early gastrointestinal neoplasms. drawback ESD is its technical difficulty and, consequently, higher rate complication. In this multicenter study, we investigated the therapeutic outcomes in consecutive patients. Methods: From January 2002 December 2008, 485 gastric neoplasms 418 patients were consecutively treated by using procedure performed 6 endoscopists 4...
With the concept of 'human-machine interface', designed especially for visually impaired persons, we have developed an electric aid device use in guiding orientation and locomotion. The device, which call CyARM, measures distance between a person object with ultrasonic sensor transmits information to user's haptic sense. In this report, will: (1) outline (2) describe its mechanism, (3) demonstrate three preliminary experiments that verify usability CyARM. We conducted terms detection...
Dieulafoy’s ulcer is a rare cause of gastrointestinal bleeding. The lesion usually located in the stomach, although it may occur anywhere tract. A 44-year-old man was admitted to hospital due cerebral infarction. On 23rd day hospitalization, he showed massive hematochezia. He underwent an urgent colonoscopy. There visible protuberant vessel without significant ulceration at fundus rectum, consistent with ulcer. It treated by endoscopic hemoclipping. However, rebleeding occurred three times...
Poly (ethylene-vinylalcohol) copolymer (EVOH) films under different humidity conditions were studied by THz absorption spectroscopy to obtain information about the bound water. An intermolecular stretching mode of water was observed at around 6 THz, similar that in liquid water; and very weak libration indicates this is frozen. By generalized two-dimensional correlation (2DCOS) perturbation-correlation 2D moving window (PCMW2D) spectroscopy, categorized into three types: frozen with...
Flat-type colorectal cancer is frequently reported in Japan and Europe, but its clinical features remain obscure. Thus, we investigated the of flat-type early with respect to tumor location patient age compared them those polypoid-type advanced cancer.Between January 1999 June 2001, total colonoscopy was performed 6,178 patients (mean age, 61 years; 4,290 males 1,888 females). Of these patients, 402 429 cancers were found: 202 at stage (invading beyond muscularis propria) 227 (carcinoma situ...
Abstract Recent advances in colonoscopic techniques have resulted more frequent detection of superficial‐type colorectal tumors, that is, laterally spreading tumors (LSTs), although little is known about the characteristic clinical features and genetic alterations LSTs. To elucidate molecular characteristics LSTs, KRAS , BRAF PIK3CA genes abnormal expression p53, β‐catenin MYC proteins were analyzed using direct DNA sequencing immunohistochemistry for 50 protruded‐type (Protruded), 35...
A XeCl excimer laser (20 ns, 25 mJ) was focused on glass samples containing high concentrations of Li and K (10%, 15%, 20%) in a surrounding gas air He. Plasma characteristics are compared two cases: at 1 atm reduced pressure (1–10 Torr). It is shown that the plasma produced cannot be applied to elemental analysis solid because strong background emission self-absorption plasma. The spectrum width line very wide due interaction In contrast this, shock-wave-induced gives S/B (ratio intensity...
The simulation of a jib crane control strategy is reported which transfers load under the condition suppressing swing both in transfer process and at objective position, making time as short possible. A non-linear dynamic equation motion derived. By linearizing giving cost function second order, problem becomes LQ-type with constraint u. Computer simulations show that this able to suppress by extending or shrinking boom.
Patients with hepatocellular carcinoma (HCC) sometimes suffer from obscure gastrointestinal bleeding. Portal hypertension (PH), common in cirrhosis, induces esophagogastric varices. Because of the location, PH also may influence mucosal abnormalities small intestine. The objective this study is to estimate prevalence intestinal HCC patients using capsule endoscopy (CE).We prospectively conducted CE patients, and analyzed findings relation hepatic function, number size tumor obtained by...
The pediatric colonoscope is superior to the standard in some patients with a fixed, angulated colon. A thinner than one thought outperform even such cases. This study was conducted assess efficacy of an ultrathin colonoscope, 9.8 mm diameter, comparing it and colonoscopes.Three types colonoscopes were used: ultrathin, pediatric, standard. total 287 consecutive assigned three groups: (n=94), (n=98), (n=95). First assessment ratio cecal intubation reasons for unsuccessful colonoscopy. second...
We introduce a new type of perception aid device based on user′s exploration action, which is named as CyARM (acronym “Cyber Arm”). The user holds this in her/his arm, the extension arm controlled by tension wires, are attached to body according distance object. This interface has unique characteristics that give users illusion an imaginary extends existing objects. implementations and our two experiments investigate efficiency effectiveness described. results show we could confirm can be...
We compared the flight stability of an airplane on Mars and Earth. Two kinds airplanes were used in our analysis: a centimeter-sized indoor with very thin light main wing, meter-sized flying outdoors. Our comparisons show following. (1) A longer period is required to damp or diverge disturbances than (2) On Mars, added mass moment inertia can be ignored for whereas cannot (3) The natural circular frequencies short period, phugoid, dutch roll modes are smaller reduced frequencies, based those...
We created a new interactive design concept FutureBody that generates or augments perceptions for users. The of consists two elements, active searching and embodiment, allowing users to search their environment actively emit indirect feedback activate users' embodiments. believe this will form the basis perception methodology people.
目的：欠損補綴治療において，上下顎の対向関係は非常に重要な情報といえる．しかしながら臨床の場において，その検査方法としては，咬合器装着された模型を後方や側方から観察して判断する方法が一般的であり，科学的な検査法は認められないのが現状である．そこで，規格撮影を行った上下顎模型をデジタル画像処理することによって，上下顎の対向関係を簡便に検査する方法を考案した．材料と方法：規格撮影を行うための指標となるインジケーターを作製する．インジケーターを用いて上下顎模型の画像を規格撮影し，Adobe...