Biomechanical modeling of the rectum for the design of a novel artificial anal sphincter

被引：5
作者：
Zan P. [1 ]
Yan G. [2 ]
Liu H. [2 ]
Yang B. [1 ,2 ]
Zhao Y. [2 ]
Luo N. [2 ]
机构：
[1] Department of Automation, College of Mechatronics Engineering and Automation, Shanghai University
[2] Lab 820, School of Electronics, Information, and Electrical Engineering, Shanghai Jiaotong University
来源：
Biomedical Instrumentation and Technology | 2010年 / 44卷 / 03期
关键词：
All Open Access; Bronze;
D O I：
10.2345/0899-8205-44.3.257
中图分类号：
学科分类号：
摘要：
This paper discusses biomechanical issues that are related to the option of a novel artificial anal sphincter around the human rectum. The prosthesis consists of a compression cuff system inside and a reservoir cuff system outside, which is placed around the debilitated sphincter muscle. The micropump shifts fluid between the cuffs and thus takes over the expansion and compression function of the sphincter muscle. However, the human rectum is not a rigid pipe, and motion in it is further complicated by the fact that the bowel is susceptible to damage. With the goal of engineering a safe and reliable machine, the biomechanical properties of the in-vivo porcine rectum are studied and the tissue ischemia is analyzed.
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页码：257 / 260
页数：3
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