WO2018149355A1 - Dispositif de détection de cœur fœtal - Google Patents

Dispositif de détection de cœur fœtal Download PDF

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Publication number
WO2018149355A1
WO2018149355A1 PCT/CN2018/075731 CN2018075731W WO2018149355A1 WO 2018149355 A1 WO2018149355 A1 WO 2018149355A1 CN 2018075731 W CN2018075731 W CN 2018075731W WO 2018149355 A1 WO2018149355 A1 WO 2018149355A1
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Prior art keywords
pulse
heart rate
fetal
fetal heart
signal
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Chinese (zh)
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刘炯
李畅玥
左佑
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02411—Measuring pulse rate or heart rate of foetuses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02416—Measuring pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms

Definitions

  • the present invention relates to a fetal heart rate detecting device capable of detecting a fetal heart rate from a maternal pulse signal, and relates to the field of medical device technology.
  • Fetal heart test equipment is a very common medical and household equipment.
  • the fetal heart rate detection equipment is mostly based on the unfocused ultrasonic Doppler principle. It consists of an ultrasonic transducer and circuit part that is acoustically coupled to the maternal belly. Record fetal heart rate function.
  • the ultrasonic beam generated by the ultrasonic transducer is directly directed to the fetus, and a part of the incident ultrasound beam is transmitted to the surface of the fetal heart movement. Due to the Doppler effect, the ultrasonic frequency is frequency-shifted, detected by the receiving transducer, and processed by the signal.
  • the low frequency signal associated with the fetal heart is separated to complete the fetal heart rate detection.
  • the existing fetal heart rate detecting device requires an ultrasonic beam to be directed at the fetus, and a part of the incident ultrasonic beam is radiated to the fetal heart moving surface. Due to the uncertainty of the fetal position and the fetal heart position, it is sometimes difficult for a professional medical staff to find the fetal heart. The position makes it more difficult for the average person to perform fetal heart rate detection in real time to monitor and record the fetal heart rate. Because the existing fetal heart rate detecting equipment has high requirements on the user's technical level, the fetal heart rate detection cannot be popularized in the public, and the fetal heart rate detection cannot be performed quickly anytime and anywhere.
  • the existing fetal heart rate detecting device must be performed on the mother's abdomen, and the ultrasonic transducer should be closely attached to the mother's abdomen, and at the same time, a coupling agent needs to be applied. Therefore, the fetal heart rate detection can not be carried out anytime and anywhere, and the completion of a fetal heart rate detection step is cumbersome, and the fetal heart rate detection cannot be performed quickly and in real time.
  • an object of the present invention is to provide a fetal heart rate detecting apparatus capable of efficiently acquiring a fetal heart rate from a maternal pulse signal in real time.
  • a fetal heart rate detecting device characterized in that the detecting device comprises: a signal acquiring device for acquiring a synthetic pulse signal from a mother body, wherein the synthetic pulse signal comprises a mother pulse a signal and fetal pulse signal; a signal processor for separating the synthetic pulse signal to obtain fetal heart rate data; a display and/or early warning device for displaying and/or alerting the acquired fetal heart rate data; A power supply module that supplies power to each device of the fetal heart rate detecting device.
  • the signal acquisition device employs a sensor or a mobile device terminal with a flash and a camera.
  • the senor is in contact with the parent body by means of a carrier device, which is a finger ring, a clip, a wrist strap or a strap.
  • a carrier device which is a finger ring, a clip, a wrist strap or a strap.
  • the senor employs a photoplethysmographic pulse sensor or a piezoelectric pulse sensor.
  • the detecting device further comprises a filtering device for filtering the synthesized pulse signal.
  • the detecting device further comprises an A/D converter for performing A/D conversion of the synthesized pulse signal to obtain a synthesized pulse digital signal.
  • the signal processor comprises an FFT module, a pulse separation and fetal heart rate calculation module and a statistics module;
  • the FFT module is configured to perform a fast Fourier transform on the synthesized pulse digital signal to obtain a matrix pulse frequency and a fetal pulse The synthesized spectrum data of the frequency;
  • the pulse separation and fetal heart rate calculation module is configured to separate the parent pulse and the fetal pulse to obtain a fetal spectrum and calculate a fetal heart rate;
  • the statistical module is used for recording and counting the fetal heart rate.
  • the resulting fetal heart rate is compared to a preset value that exceeds the normal range indicating that the fetus may be at risk of transmitting a signal to the display and/or early warning device for display and/or warning.
  • the pulse separation and fetal heart rate calculation module is configured to separate the mother pulse and the fetal pulse, obtain a fetal spectrum and calculate a fetal heart rate, and the specific process is: a spectral line that is an integer multiple of the mother pulse frequency from the synthesized spectrum data. Removed, the maternal pulse frequency is the frequency of the largest spectral line, and the remaining spectrum is the spectrum of the fetal pulse signal, where the spectral line frequency is the fetal pulse rate or its integral multiple, and all spectral line frequencies form an array F(X):
  • the pulse frequency may have multiple fundamental frequencies f 1 ', f 2 ', f 3 ', ... f n ', each of which is linearly related to the pulse frequency of a fetus, ie the nth frequency f n ' is linearly related to the pulse frequency of the nth fetus, and the fetal heart rate is f n , then:
  • C is a constant, and the initial value is 1, which can be corrected by testing.
  • the pulse separation and fetal heart rate calculation module is configured to separate the parent pulse and the fetal pulse to obtain a fetal spectrum and calculate a fetal heart rate.
  • the specific process is: the spectral frequency of the Fourier expansion term of the mother pulse signal should be An integer multiple of the mother's pulse rate, the mother's pulse rate is the frequency of the largest amplitude spectral line, and the spectral line that is an integer multiple of the mother's pulse rate is removed from the synthesized spectral data, leaving the spectrum as the spectrum of the fetal pulse signal F 1 (X), F 1 (X)
  • the frequency of the largest spectral line f 1 ' is linearly related to the pulse rate of the first fetus, fetal heart rate:
  • C is a constant, the initial value is 1, which can be corrected by trial verification.
  • the spectrum line of f 1 'integer multiple frequency is removed from F 1 (X) to obtain the fetal spectrum F 2 (X )
  • the frequency f 2 ' of the maximum amplitude spectral line in F 2 (X) is linearly related to the pulse rate of the second fetus, fetal heart rate:
  • the fetal heart rate f n is sequentially obtained in accordance with the above procedure.
  • the pulse separation and fetal heart rate calculation module is configured to separate the parent pulse and the fetal pulse to obtain a fetal spectrum and calculate a fetal heart rate.
  • the specific process is: performing a Fourier transform on the transformed digital signal to obtain a period of inclusion.
  • Spectral data of the maternal and fetal composite signals of the pulse width and amplitude information assuming that the maternal pulse pulse sequence signal period is T 1 , the pulse width is T a , and the amplitude is A; the fetal pulse pulse sequence signal period is T 2 , pulse The width is T b and the amplitude is B; the fetal pulse pulse sequence signal period is T 3 , the pulse width is T c , and the amplitude is C.
  • the maternal and fetal pulse pulse signals are respectively expressed as:
  • ⁇ (t) is The amplitude is 1 rectangular pulse signal, and k represents the serial number of the pulse;
  • the matrix signal is read out by the spectrum data of the synthesized signal, and the interval between the two zero points of the signal is 2 /T a , the interval between peak and peak is 1/T 1 , which is the pulse frequency of the mother; the signal with smaller amplitude is the fetal signal, and the pulse width of the signal of fetal 1 and fetal 2 is different, according to the two zero points of the spectrum signal
  • the interval is divided, the fetal 1 is 2/T b , the fetal 2 is 2/T c , and the pulse width is 2/T b .
  • the interval between the peak and the peak of the fetal signal is 1/T 2 , which is the pulse frequency of the fetal 1 .
  • the interval between the peak and the peak of the fetal signal with a pulse width of 2/T c is 1/T 3 , which is the pulse frequency of the fetus 2, and so on if other fetal pulse frequency is acquired.
  • the invention adopts the above technical solutions, and has the following advantages: 1.
  • the invention detects the fetal fetal heart by acquiring the pulse signal of the mother by using a sensor or a mobile device terminal with a flash lamp and a camera, without applying a coupling agent, and the operation is simple. Convenience.
  • the invention can contact the finger, the earlobe or the wrist of the finger ring, the strap, the clip, the wristband or the mobile device terminal with the sensor to perform the fetal heart detection, and the operation is quick. And realize the fast and efficient fetal heart detection anytime, anywhere. 3.
  • the invention does not need to find the position of the fetus in the abdomen of the mother, has low requirements for the user, and the time for detecting the fetal heart is short, so that ordinary people can perform fetal heart rate detection in real time anytime and anywhere. 4.
  • the present invention detects fetal heart rate through the extremity of the limb of the mother, and does not cause any form of radiation damage to the fetus.
  • the invention can be widely applied to fetal heart rate detection.
  • FIG. 1 is a schematic structural view of a fetal heart rate detecting apparatus according to a first embodiment of the present invention
  • Figure 2 is a schematic structural view of a fetal heart rate detecting apparatus according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a fetal heart rate detecting apparatus according to a third embodiment of the present invention. wherein the broken line frames of FIGS. 1 to 3 each represent a carrying device;
  • Fig. 4 is a schematic structural view of a fetal heart rate detecting apparatus according to a fourth embodiment of the present invention.
  • the fetal heart rate detecting apparatus comprises a sensor 1, a low pass filter 2, an A/D converter 3, a signal processor 4, a display and/or early warning module 5, a power supply module 6, and a load.
  • Device 7 the fetal heart rate detecting apparatus provided by the present invention comprises a sensor 1, a low pass filter 2, an A/D converter 3, a signal processor 4, a display and/or early warning module 5, a power supply module 6, and a load.
  • a sensor 1 As shown in FIG. 1, the fetal heart rate detecting apparatus provided by the present invention comprises a sensor 1, a low pass filter 2, an A/D converter 3, a signal processor 4, a display and/or early warning module 5, a power supply module 6, and a load.
  • a sensor 1 the fetal heart rate detecting apparatus provided by the present invention comprises a sensor 1, a low pass filter 2, an A/D converter 3, a signal processor 4, a display and/or early warning module 5, a power supply module 6, and a load.
  • a load the fetal
  • the invention touches the sensor 1 with the finger, the earlobe or the wrist of the mother through the carrying device 7, and is used for acquiring the pulse signal of the mother body.
  • the present invention considers that the fetal body is in the mother body, and the fetal heart pulsation inevitably causes the same blood vessel of the mother body to have the same regularity.
  • the pulsation information therefore, the pulse signal obtained from the mother not only carries the pulse information of the mother but also carries the pulse information of the fetus, which is referred to as a synthetic pulse signal, and the synthetic pulse signal includes a mother pulse signal and a fetal pulse signal.
  • the low pass filter 2 is used to filter the synthesized pulse signal.
  • the A/D converter 3 is for performing A/D conversion of the synthesized pulse signal to obtain a synthesized pulse digital signal.
  • the signal processor 4 is configured to perform separation processing on the synthesized pulse digital signal to obtain fetal heart rate data.
  • the display and/or warning device 5 is used to display and/or alert the acquired fetal heart rate data.
  • the power supply module 6 is used to supply power to each device of the fetal heart rate detecting device.
  • the sensor 1 can adopt a photoelectric volume pulse sensor, and the photoelectric volume pulse sensor comprises a light source and a photoelectric transducer.
  • the working principle is as follows: the light source emits a light beam that passes through the human peripheral blood vessel, and the blood volume is compressed due to the arterial pulse. The change causes the light transmittance of the light beam to change. At this time, the light reflected by the human body tissue is received by the photoelectric transducer, and the photoelectric signal is converted into an electrical signal and amplified and output. Since the human body pulse is a cyclical change signal with the heart beat, the arterial blood vessel volume also changes periodically.
  • the change period of the electrical signal after the photoelectric conversion is the human body pulse rate
  • the photoelectric volume pulse sensor utilizes the human body tissue to cause the light beam transmittance when the blood vessel beats.
  • Different pulse measurements were obtained.
  • Typical photoplethysmographic sensors are the visible pulse sensor PulseSensor (inductive reflective sensor) and the infrared pulse sensor HKG-07 series infrared pulse sensor.
  • the sensor 1 can also adopt a piezoelectric pulse sensor, and its working principle is: the piezoelectric pulse sensor uses a piezoelectric composite material as a transducing element, and the signal is transmitted to the transducing element through a special matching layer to become a charge amount, and then The piezoelectric pulse sensor internal amplification circuit converts into a voltage signal output.
  • a typical piezoelectric pulse sensor has an SC0073 piezoelectric pulse sensor.
  • the carrying device 7 can be a device such as a finger ring, a clip, a wristband or a strap, which is convenient to contact with the mother body, and is not limited herein, and can be selected according to practical applications.
  • signal processor 4 includes an FFT (Fast Fourier Transform) module, a pulse separation and fetal heart rate calculation module, and a statistics module.
  • the FFT module is configured to perform a fast Fourier transform on the synthesized pulse digital signal to obtain synthesized spectral data including the mother pulse frequency and the fetal pulse frequency.
  • the pulse separation and fetal heart rate calculation module is used to separate the maternal pulse from the fetal pulse to obtain a fetal spectrum and calculate the fetal heart rate.
  • the statistical module is used to record and count the fetal heart rate. When the obtained fetal heart rate is compared with the preset value and exceeds the normal range, the fetal may be in danger, and a signal is sent to the display and/or early warning device for early warning.
  • the pulse separation and fetal heart rate calculation module is used to separate the maternal pulse and the fetal pulse to obtain a fetal spectrum and calculate a fetal heart rate.
  • the specific calculation methods include the following three methods:
  • Method 1 In the synthesized spectrum data, because the mother's pulse amplitude is strong, the frequency of the largest amplitude spectrum line can be found from the spectrum data. This frequency is the mother pulse. Since the mother pulse is a periodic pulse signal, the mother pulse signal The spectral frequency of the Fourier expansion term should be an integer multiple of the maternal pulse frequency, so the spectral line of the integer multiple of the maternal pulse frequency can be removed from the synthesized spectral data, leaving the spectrum as the spectrum of the fetal pulse signal, where the spectral line frequency For the fetal pulse rate or its integer multiple, all spectral line frequencies form an array F(X):
  • the pulse frequency may have multiple fundamental frequencies f 1 ', f 2 ', f 3 ', ... f n ', each of which is linearly related to the pulse frequency of a fetus, ie the nth frequency f n ' is linearly related to the pulse frequency of the nth fetus, and the fetal heart rate is f n , then:
  • C is a constant, and the initial value is 1, which can be corrected by testing.
  • Method 2 In the synthesized spectrum data, due to the strong pulse amplitude of the mother, the frequency of the largest amplitude spectrum line can be found from the spectrum data. This frequency is the mother pulse, since the mother pulse is a periodic pulse signal, the mother pulse signal
  • the spectral frequency of the Fourier expansion term should be an integer multiple of the mother's pulse rate, so the spectral line of the integer multiple of the mother's pulse rate can be removed from the synthesized spectral data, leaving the spectrum as the spectrum of the fetal pulse signal F 1 (X) , the frequency f 1 ' of the largest amplitude spectral line in F 1 (X) is linearly related to the pulse frequency of the first fetus, fetal heart rate:
  • C is a constant, and the initial value is 1, which can be corrected by testing.
  • the fetal heart rate f n is sequentially obtained in accordance with the above procedure.
  • Method 3 Perform Fourier transform on the transformed digital signal to obtain spectrum data of the maternal and fetal composite signals including period, pulse width, and amplitude information.
  • the maternal pulse pulse sequence signal period is T 1
  • the pulse width is T a
  • the amplitude is A
  • the fetal 1 pulse pulse sequence signal period is T 2
  • the pulse width is T b
  • the amplitude is B
  • the fetal 2 pulse pulse sequence signal period is T 3
  • the pulse width is T c
  • the amplitude is C.
  • the maternal and fetal pulse pulse signals are expressed as:
  • ⁇ (t) is The amplitude is a rectangular pulse signal
  • k represents the serial number of the pulse
  • the matrix signal can be read out by the spectral data of the synthesized signal, and the interval between the two zero points of the signal is 2/T a , the interval between peak and peak is 1/T 1 , which is the pulse frequency of the mother.
  • the signal with a small amplitude is the fetal signal, and the pulse widths of the fetal 1 and fetal 2 signals are different, and can be distinguished according to the interval between the two zero points of the spectrum signal.
  • the interval between the fetal signal 1 is 2/T b
  • the fetal 2 is 2/T c
  • the pulse width is 2/T b .
  • the interval between the peak and the peak of the fetal signal is 1/T 2 , which is the pulse frequency of the fetal 1 and the pulse width is 2/.
  • the interval between the peak and the peak of the fetal signal of T c is 1/T 3 , which is the pulse frequency of the fetus 2, and so on if other fetal pulse frequency acquisition is obtained.
  • the display and/or warning device 5 can be fixedly disposed on the carrier device 7, and the display and/or warning device 5 can be a device capable of display and/or early warning such as a micro liquid crystal screen or a digital tube.
  • the display and/or early warning device 5 can also be an external terminal 8 for receiving a fetal heart rate signal and displaying and/or alerting the fetal heart rate signal.
  • the external terminal 8 can be a computer or other network terminal and a mobile device terminal.
  • the external terminal 8 is connected to the signal processor to obtain a fetal heart rate signal through a transmission module 9.
  • the transmission module 9 can be a wireless transmission module, such as Bluetooth, and the transmission module. 9 can also use wired network modules.
  • the signal processor 4 and the display and/or early warning device 5 can be implemented by an external terminal 8 for receiving the output of the A/D converter 3.
  • the synthetic pulse signal acquired by the mother separates the maternal pulse signal and the fetal pulse signal to the fetal heart rate, and displays and/or alerts the fetal heart rate signal.
  • the external terminal 8 can be a mobile device terminal, a computer or other network terminal, etc., and the external terminal 8 is connected to the A/D converter 3 via a transmission module 9 to obtain a composite pulse signal.
  • the transmission module 9 can be a wireless transmission module, such as Bluetooth.
  • the transmission module 9 can also adopt a wired network module.
  • the sensor 1 of the present invention can also be replaced with a mobile device terminal with a flash and a camera, such as a mobile phone, a PDA, etc., a mobile device terminal principle with a flash and a camera.
  • the photoelectric volume pulse sensor can be formed as a light source, and the flash lamp can be equivalent to the light source of the photoelectric volume pulse sensor.
  • the camera can be equivalent to the photoelectric transducer of the photoelectric volume pulse sensor, and the camera obtains the maternal pulse signal by taking the light image reflected by the human tissue.
  • the signal processor 4 can directly use the processor of the mobile device terminal for data processing, and the processor of the mobile device terminal ingests through the camera.
  • the data is processed by the method for separating the mother pulse signal and the fetal pulse signal according to the present invention to obtain a fetal heart rate, and the display and/or early warning device 5 can be a display screen of the mobile device terminal, that is, the present invention can be implemented by using the existing mobile device terminal. Fast and efficient acquisition of the parent The fetal heart rate is separated from the pulse signal.

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Abstract

L'invention concerne un dispositif de détection d'un cœur fœtal, comprenant : un dispositif d'acquisition de signal pour acquérir un signal de pouls synthétique à partir d'un corps maternel, le signal de pouls synthétique comprenant un signal de pouls maternel et un signal de pouls fœtal; un processeur de signal (4) pour séparer le signal de pouls synthétique afin d'obtenir des données de fréquence cardiaque fœtale; un dispositif d'affichage et/ou d'avertissement (5) pour afficher et/ou avertir des données de fréquence cardiaque fœtale acquises; et un module d'alimentation électrique (6) pour fournir de l'électricité à chaque élément du dispositif de détection d'un cœur fœtal. Le dispositif de détection d'un cœur fœtal est largement applicable à la détection du cœur fœtal d'un fœtus.
PCT/CN2018/075731 2017-02-16 2018-02-08 Dispositif de détection de cœur fœtal Ceased WO2018149355A1 (fr)

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CN201710083167.2A CN106859626B (zh) 2017-02-16 2017-02-16 一种胎心检测设备

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CN106859626B (zh) * 2017-02-16 2021-01-05 刘炯 一种胎心检测设备
CN108143405A (zh) * 2018-01-08 2018-06-12 广州资深源医疗器械技术服务有限公司 一种脉搏波胎心实时监测系统
CN109171673A (zh) * 2018-09-14 2019-01-11 康然 一种多功能人体信号采集仪及采集系统
CN109528216A (zh) * 2019-01-18 2019-03-29 京东方科技集团股份有限公司 胎儿血氧饱和度的检测方法及装置
CN116784813A (zh) * 2022-03-17 2023-09-22 Oppo广东移动通信有限公司 信息提示方法、装置、设备、计算机程序及存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569356A (en) * 1984-11-05 1986-02-11 Nihon Kohden Corporation Method and apparatus for detecting fetal heart rate by autocorrelation
CN103263262A (zh) * 2013-05-28 2013-08-28 捷普科技（上海）有限公司 测量胎儿心率的系统及方法
CN103271734A (zh) * 2012-12-10 2013-09-04 中国人民解放军第一五二中心医院 一种基于低端成像设备的心率测量方法
CN104382618A (zh) * 2014-11-13 2015-03-04 深圳市理邦精密仪器股份有限公司 基于胎心率检测的去噪方法和胎心率检测仪
CN204410837U (zh) * 2014-12-10 2015-06-24 黄平 一种带有孕妇心率检测功能的胎儿监护超声探头
CN106859626A (zh) * 2017-02-16 2017-06-20 刘炯 一种胎心检测设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2479914Y (zh) * 2000-08-02 2002-03-06 徐州天荣医疗通讯设备有限公司 母亲/胎儿综合监护系统
US20060229518A1 (en) * 2005-03-31 2006-10-12 Physical Logic Ag Method for continuous, non-invasive, non-radiating detection of fetal heart arrhythmia
JP4487076B2 (ja) * 2006-10-11 2010-06-23 国立大学法人信州大学 胎子監視装置
EP2173241B1 (fr) * 2007-07-24 2017-12-27 Philips Intellectual Property & Standards GmbH Procédé et appareil de surveillance du rythme cardiaque foetal
EP3001946A1 (fr) * 2014-09-30 2016-04-06 BCB Informática y Control SL Procédé, dispositif et programmes informatiques permettant de mesurer une onde de pouls artériel foetal
CN104523263B (zh) * 2014-12-23 2017-06-20 华南理工大学 基于移动互联网的孕产妇健康监护系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569356A (en) * 1984-11-05 1986-02-11 Nihon Kohden Corporation Method and apparatus for detecting fetal heart rate by autocorrelation
CN103271734A (zh) * 2012-12-10 2013-09-04 中国人民解放军第一五二中心医院 一种基于低端成像设备的心率测量方法
CN103263262A (zh) * 2013-05-28 2013-08-28 捷普科技（上海）有限公司 测量胎儿心率的系统及方法
CN104382618A (zh) * 2014-11-13 2015-03-04 深圳市理邦精密仪器股份有限公司 基于胎心率检测的去噪方法和胎心率检测仪
CN204410837U (zh) * 2014-12-10 2015-06-24 黄平 一种带有孕妇心率检测功能的胎儿监护超声探头
CN106859626A (zh) * 2017-02-16 2017-06-20 刘炯 一种胎心检测设备

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