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Endoscopy is nearly the most typical instruments that meet the demand of minimum invasive surgery (MIS). However, owing to the complex condition of human intestinal tract and the limitation of traditional colonoscopy, colonoscopy is sometimes a difficult and dangerous procedure. Most difficulties during colonoscopy arise as a result of unpredictable looping of the instrument shaft within the colonic...
Colonoscopy is now the gold standard method for investigating most colonic symptoms. In the process of diagnosis, it is easy to cause the apex of loop splitting the colonic wall because the shape of colon is invisible for the colonoscopist who only relies on his experience to insert the colonoscope into the body and it brings the patients much pain and danger. So shape sensing technologies for colonoscope...
The display of the colonoscope shape inside human body is a new technique under development which helps the doctor to judge visually if the patient colon is in normal situation or tends to twist the colonoscope into an unusual and unsafe shape. This paper presents a real-time shape reconstruction method based on biber Bragg grating (FBG) sensor array and a positioning technique of colonoscope's handle...
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