蠕动
小肠
大肠
胶囊
管(容器)
内窥镜
蠕动泵
解剖
生物医学工程
物理
生物
内科学
材料科学
医学
外科
复合材料
热力学
植物
作者
Yi Huang,Liang Liang,Puhua Tang,Zhiming Guo
标识
DOI:10.1177/09544119241239112
摘要
In the past studies, the resistance of magnetically controlled capsules running through the small intestine has been modeled assuming that the small intestine was a circular tube with a constant diameter. Peristalsis is an important character of the human gastrointestinal system, and it would result in some changes in the diameter of the intestine, meaning that the existing resistance models would no longer be applicable. In this paper, based on the assumption that intestinal peristalsis is actually a sinusoidal wave, a resistance model of the capsule running in the peristaltic intestine is established, and then it is validated experimentally. The model provides a realistic foundation for the optimization and control of the magnetically controlled endoscopy.
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