نتایج جستجو برای: capsule system
تعداد نتایج: 2252966 فیلتر نتایج به سال:
Wireless capsule endoscopy (WCE) is a promising technology for direct diagnosis of the entire small bowel to detect lethal diseases, including cancer and obscure gastrointestinal bleeding (OGIB). To improve the quality of diagnosis, some vital specifications of WCE such as image resolution, frame rate and working time need to be improved. Additionally, future multi-functioning robotic capsule e...
BACKGROUND Capsule retention in the small bowel is a known complication of small-bowel video capsule endoscopy. Surgery is the most frequently used method of capsule retrieval. OBJECTIVE To determine the incidence and causes of capsule retention and to describe double-balloon endoscopy (DBE) as the primary technique used for capsule retrieval. DESIGN Retrospective analysis of all video caps...
Abstract Background Hepatocellular carcinoma (HCC) is the fifth most frequent cancer on world. Fat accumulation within hepatocytes known as hepatic steatosis. In recent years, research has found that people with non-alcoholic fatty liver disease have a higher chance of developing HCC. The LI-RADS ® (Liver Imaging Reporting and Data System) was created to facilitate consistent reporting imaging ...
Simultaneous magnetic actuation and localization is a promising technology to realize active wireless capsule endoscopy. In this article, an adaptive approach proposed efficiently propel precisely locate magnetically actuated in unknown complex tubular environments. order track the real time large workspace, we improve upon our previous external sensor-based strategies by proposing method autom...
Wireless Video Capsule Endoscopy is a clinical technique consisting of the analysis of images from the intestine which are provided by an ingestible device with a camera attached to it. In this paper we propose an automatic system to diagnose severe intestinal motility disfunctions using the video endoscopy data. The system is based on the application of computer vision techniques within a mach...
UNLABELLED Aim. To evaluate capsule endoscopy in terms of incomplete examinations and capsule retentions and to find risk factors for these events. Material and Methods. This retrospective and consecutive study includes data from 2300 capsule enteroscopy examinations, performed at four different hospitals in Stockholm, Sweden from 2003 to 2009. Results. The frequency of incomplete examinations ...
a capsule endoscope with use of a transparent hood and real-time viewer Capsule endoscopy relies on an intact swallowing mechanism and unimpeded passage of the capsule through the pylorus [1]. A new method for endoscopic placement of the capsule is described. A transparent hood (MH-464; Olympus, Tokyo, Japan), whose inside wall is lined with vinyl tape, is attached to the tip of the endoscope (...
The Electrical Submersible Pumping (ESP) system is one of the most commonly used artificial lift methods in petroleum industry and recent breakthrough this enclosed a capsule positioned on seabed skid. As it technology, with only small amount equipment currently operation, there clear need for greater understanding flow within geometry objective perfecting design promising submarine boosting sy...
Magnetic sensing technology offers an attractive alternative for in vivo tracking with much better performance than RF and ultrasound technologies. In this paper, an efficient in vivo magnetic tracking system is presented. The proposed system is intended to localize an endoscopic capsule which delivers biomarkers around specific locations of the gastrointestinal (GI) tract. For efficiently loca...
Wireless capsule endoscopy (WCE) enables screening of the gastrointestinal tract by a swallowable imaging system. However, contemporary WCE systems have several limitations, which often result in low diagnostic yield. This paper introduces the concept of a next generation WCE system with embedded intelligence aiming to effectively minimize diagnostic errors. The proposed system is based on a no...
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