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Received: 2008-03-28

Revision Accepted: 2008-06-21

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Journal of Zhejiang University SCIENCE B 2008 Vol.9 No.9 P.734~738

10.1631/jzus.B0820099


Modeling of human colonic blood flow for a novel artificial anal sphincter system


Author(s):  Peng ZAN, Guo-zheng YAN, Hua LIU

Affiliation(s):  School of Electronics, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding email(s):   zanpeng@sjtu.edu.cn

Key Words:  Incontinence, Artificial anal sphincter, Colonic blood flow, Tissue ischemia


Peng ZAN, Guo-zheng YAN, Hua LIU. Modeling of human colonic blood flow for a novel artificial anal sphincter system[J]. Journal of Zhejiang University Science B, 2008, 9(9): 734~738.

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T1 - Modeling of human colonic blood flow for a novel artificial anal sphincter system
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DOI - 10.1631/jzus.B0820099


Abstract: 
A novel artificial anal sphincter system has been developed to simulate the normal physiology of the human anorectum. With the goal of engineering a safe and reliable device, the model of human colonic blood flow has been built and the relationship between the colonic blood flow rate and the operating occlusion pressure of the anorectum is achieved. The tissue ischemia is analyzed based on constitutive relations for human anorectum. The results suggest that at the planned operating occlusion pressure of less than 4 kPa the artificial anal sphincter should not risk the vascularity of the human colon.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[8] Rothbarth, J., Bemelman, W.A., Meijerink, W.J.H.J., Stiggelbout, A.M., Zwinderman, A.H., Buyze-Westerweel, M.E., Delemarre, J.B.V.M., 2001. What is the impact of fecal incontinence on quality of life. Diseases of the Colon & Rectum, 44(1):67-71.

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