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公开(公告)号：US11896384B2
公开(公告)日：2024-02-13
申请号：US16696721
申请日：2019-11-26
发明人： Saleem Sayani , Muhammad Abdul Muqeet , Hafiz Imtiaz Ahmed , Naeem Sheikh , Sannan Ahmed Qureshi , Nadeem Zuberi
CPC分类号： A61B5/4362 , A61B5/0022 , A61B5/288 , A61B5/6804 , A61B5/6831 , A61B5/7264 , A61B5/746 , G16H20/30 , G16H40/67 , A61B2560/0223 , A61B2562/16
摘要： A sensor device is described that includes a dry electrode, a pressure sensor, and a communication apparatus. The dry electrode is configured to be placed adjacent to a belly of a pregnant patient. The pressure sensor is coupled to the dry electrode to sense pressure within the belly. The sensed pressure indicates counts of physiological activities of a fetus within the pregnant patient over a period of time. The communication apparatus is coupled to the pressure sensor and the dry electrode. The communication apparatus is configured to transmit data characterizing the counts of the plurality of physiological activities to a cloud computing server for generating an assessment of health of the fetus.
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公开(公告)号：US20230337957A1
公开(公告)日：2023-10-26
申请号：US18344744
申请日：2023-06-29
IPC分类号： A61B5/1455 , A61B5/352 , A61B5/1464 , A61B5/288 , A61B5/00 , A61B5/024
CPC分类号： A61B5/288 , A61B5/02411 , A61B5/02416 , A61B5/1455 , A61B5/1464 , A61B5/352 , A61B5/6833 , A61B5/7207 , A61B2503/02 , A61B2562/0219 , A61B2562/0233 , A61B2562/164
摘要： A method of sensing the heart rate and blood oxygen saturation of a maternal patient and a fetal patient can include obtaining maternal electrocardiogram (mECG) data and fetal electrocardiogram (fECG) data with a plurality of electrodes. The method can also include obtaining photosignal data with an optical sensor, the photosignal data including a maternal photosignal component and a fetal photosignal component. Additionally, the method can include applying mECG to the photosignal data to calculate maternal photoplesthograph (mPPG) data, applying the mPPG to the photosignal data to remove the maternal photosignal component from the photosignal data, and applying the fECG to remaining photosignal data to calculate fetal photoplesthograph (fPPG) data.
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公开(公告)号：US11744501B2
公开(公告)日：2023-09-05
申请号：US16868865
申请日：2020-05-07
IPC分类号： A61B5/288 , A61B5/00 , A61B5/1455 , A61B5/024 , A61B5/352 , A61B5/1464
CPC分类号： A61B5/288 , A61B5/02411 , A61B5/02416 , A61B5/1455 , A61B5/1464 , A61B5/352 , A61B5/6833 , A61B5/7207 , A61B2503/02 , A61B2562/0219 , A61B2562/0233 , A61B2562/164
摘要： A multi-sensor patch for simultaneous abdominal monitoring of maternal and fetal physiological data includes a multi-layer flexible substrate. The multi-layer flexible substrate includes a center region and a plurality of electrode regions. An electrode of the plurality of electrodes is located in each of the electrode regions. At least one auxiliary sensor which may be an optical sensor. A module unit is connected to the conductive layer at the center region. The module unit is configured to receive biopotential physiological data from the plurality of electrodes and photosignal data from the optical sensor. The module unit calculates at least fetal heart rate (fHR), maternal heart rate (mHR), and uterine activity (UA) from the biopotential physiological data and fHR, mHR, and SpO2 from the photosignal data.
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公开(公告)号：US11672490B2
公开(公告)日：2023-06-13
申请号：US16864984
申请日：2020-05-01
CPC分类号： A61B5/7278 , A61B5/033 , A61B5/273 , A61B5/313 , A61B5/389 , A61B5/4356 , A61B5/4362 , A61B5/0011 , A61B5/02411 , A61B5/288 , A61B5/344 , A61B2560/045 , A61B2562/227 , F04C2270/041
摘要： A sensor interface system for providing a connection between at least one sensor and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the sensor(s) into uterine activity data signals for use by the maternal-fetal monitor. The sensor interface system of the invention preferably includes a conversion means for converting the signals from the sensor(s) into signals similar to those produced by a tocodynamometer.
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