Artificial anal sphincter with sensor feedback powered by transcutaneous energy transmission |
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Authors: | Hua Liu Guo-zheng Yan Peng Zan Yu-juan Zhao Nian-ting Luo |
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Institution: | (1) Department of Instrument Science and Engineering, Shanghai Jiaotong University, Shanghai, 200240, China |
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Abstract: | This artificial anal sphincter (AAS) is used to help patients who are in severe incontinence. It consists of two parts. The first part is taken outside with patients. The second is implanted in the bodies to provide independent evacuation for patients. It is powered through transcutaneous energy transmission by the first part. There are two sensors in the second part. One sensor measures the pressure in the cuff-clamp around the recta. The other measures the pressure of the recta. As soon as the pressure measured by the later reaches the threshold, a signal is sent out to patients through wireless communication to alarm patients preparing defecation. Patients can give a start signal to begin defecating after they are ready. And they can also give a signal to stop defecating like a healthy person. With the aids of the novel medical device, patients can defecate as a healthy person. The first generation of this AAS is presented. |
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Keywords: | artificial anal sphincter(AAS) transcutaneous energy transmission wireless communication pres- sure sensor feedback |
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