), 王志武, 周泽润, 姜萍萍, 丁紫凡, 华芳芳, 赵凯, 韩玎 医疗机器人研究院, 上海 200240
收稿日期:2020-07-01出版日期:2021-07-28发布日期:2021-07-30通讯作者:颜国正E-mail:gzhyan@sjtu.edu.cn作者简介:姚盛健(1996-),男,安徽省芜湖市人,硕士生,主要从事人工肛门括约肌系统便意感知重建与低功耗研究基金资助:国家自然科学基金项目(61673271);国家自然科学基金项目(81971767);上海市科技支撑项目(19441910600);上海市科技支撑项目(19441913800);上海市科技支撑项目(19142203800);上海交通大学医疗机器人研究院项目(IMR2018KY05)Low-Power Consumption Design and Optimization of New Artificial Anal Sphincter
YAO Shengjian, YAN Guozheng(), WANG Zhiwu, ZHOU Zerun, JIANG Pingping, DING Zifan, HUA Fangfang, ZHAO Kai, HAN Ding Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai 200240, China
Received:2020-07-01Online:2021-07-28Published:2021-07-30Contact:YAN Guozheng E-mail:gzhyan@sjtu.edu.cn摘要/Abstract
摘要： 以新人工肛门括约肌系统硬件为基础,分析各模块功耗,经过低功耗设计与采样周期的合理设置,将系统功耗显著降低.同时,以肠道压力波形下面积大小为便意判断标准,代替单点压力阈值法,为肛门失禁患者提供如厕依据,进而提高便意感知功能准确性.结合离体与活体实验,所研究的人工肛门括约肌低功耗设计可使系统单次充电后工作时长延长至16d,工作时长提升达230%,新便意判断标准准确率可达96%.
关键词: 人工肛门括约肌, 低功耗便意感知, 肠道压力波形, 低功耗唤醒, 活体实验
Abstract: Based on the hardware of the new artificial anal sphincter system, this paper analyzes the power consumption of each module. After low-power consumption design and reasonable setting of the sampling period, the system power consumption is significantly reduced. At the same time, the area under the rectal pressure waveform is used as the standard for judging defecation willingness. Instead of the single-point pressure threshold method, it provides a basis for anal incontinence patients to go to the toilet, and thus improves the accuracy of the rectal perception function. Combining in vitro and in vivo experiments, the low-power consumption of the artificial anal sphincter designed in this paper can extend the working time of the system to 16 d after a single charge. It increases the working time by 230% with a rectal perception accuracy of 96%.
Key words: artificial anal sphincter, low-power rectal perception, rectal pressure waveform, low-power wake-up, in vivo experiment
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