Design and application of a flexible and implantable sensor for detecting uterine musculature contraction |
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| Authors: | Gang Zhao Ling Qin Qing Yang Shangchun Wu Peiyu He |
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| Institution: | aSchool of Electronics and Information Engineering, Sichuan University, South Section 1, Yihuan Road, Chengdu 610064, PR China;bChengdu University of Traditional Chinese Medicine, 37 Shi-er-qiao Rd., Chengdu 610075, PR China;cNational Research Institute for Family Planning, Beijing 100081, PR China |
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| Abstract: | It is very important to obtain the parameters of deformation size and contraction frequency of women's uterine musculature in medical research. This paper proposes a type of sensor for measuring these parameters and analyzes its force situation. The flexibility of the sensor makes it easy for doctors to let the sensor pass through woman's narrow cervix and get to her uterine cavity. The experiment shows that the sensitivity of three coils in the sample sensor achieves 22.38 nH/mm2 both for left and right coils, 22.84 nH/mm2 for top coil, which can meet the requirements of sensitivity for testing the contraction situation of uterine musculature. Furthermore, an interface designed in the back end system can display the parameters of deformation size and vivid contraction situation of women's uterine musculature in real-time. The sensor has been applied in some medical fields. |
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| Keywords: | Uterine musculature contraction Sensor Inductance Load Uterine cavity morphology |
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