CN204863162U - Child heart monitoring devices - Google Patents
Child heart monitoring devices Download PDFInfo
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- CN204863162U CN204863162U CN201520580138.3U CN201520580138U CN204863162U CN 204863162 U CN204863162 U CN 204863162U CN 201520580138 U CN201520580138 U CN 201520580138U CN 204863162 U CN204863162 U CN 204863162U
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Abstract
The utility model discloses a child heart monitoring devices, include: a first collection probe for surveying the composite signal of stomach wall department, with the the first signal collection module that first collection probe links to each other, the first signal collection module is used for rightly composite signal handles in order to export a data signal, with the child heart that the first signal collection module links to each other draws the module, the child heart draws the module and is used for the basis a data signal extracts child heart signal, with the child heart draws the analytical calculation module that the module links to each other, calculation module is used for rightly child heart signal carries out the analysis in order acquireing analysis result, and according to analysis result calculates child heart parameter. From this, this child heart monitoring devices passes through passive mode and gathers human physiological signal, does not initiatively launch the ultrasonic wave, can acquire foetal health information in real time to calculate child heart parameter, provide audio -visual quantification index for the user.
Description
Technical field
This utility model relates to technical field of electric appliances, particularly a kind of fetal rhythm monitoring device.
Background technology
At anemia of pregnant woman's phenolics, especially conceived middle and advanced stage, monitors the indices of fetus, can understand fetus health status in uterus, find the exception of fetus early.Such as, monitoring fetal rhythm can obtain the real-time heart rate of fetus, and whether fetal heart frequency is normally the important indicator judging fetus whether anoxia in parent, and therefore fetal rhythm is monitored is a big event of pregnancy monitoring.
Fetal rhythm monitoring is adopt tire sound auscultation equipment at first, but owing to cannot amplify and record acoustical signal, gradually replace by doppler ultrasound equipment.The principle of Doppler ultrasonography on monitoring fetal rhythm uses can launch hyperacoustic probe to heart of fetus position transmitting ultrasound wave, when ultrasound wave runs into the heart of motion and reflects, slight change can be there is because Doppler effect returns wave frequency, carry out echo-signal calculating the heart rate that can obtain fetus, and in use, need to find heart of fetus accurately, and use couplant to assist, good Detection results can be obtained.The fetal rhythm monitoring of Hospitals at Present routine, at about 20 minutes, every needing in one to two weeks to carry out once to hospital after conceived 30 weeks, brings larger inconvenience to anemia of pregnant woman and household.
Correlation technique proposes a kind of portable electronic fetal heart monitor, and relevant portable electronic fetal heart monitor uses Doppler ultrasonography on monitoring mostly.But, its shortcoming existed is, ultrasound wave has certain heat effect and acoustic effect to tissue, the impact of foetus health is still not clear, the time of fetus being carried out to ultrasonic monitoring is needed to be controlled, complicated operation, need accurately to find fetal rhythm position and use couplant just can reach optimum efficiency, thus long-time continual monitoring cannot be carried out to fetal rhythm, cannot the health and fitness information of Real-time Obtaining fetus, and at her abdominal daubing coupling agent, also need to clean, comfort level is lower not afterwards.
In addition, fetal movement is used as the indirect measurement of central nervous system's integrity and function, and the fetal movement perceived by anemia of pregnant woman is considered to the instruction that fetus maintains a good state.In the related, usually carry out manual measurement fetus by anemia of pregnant woman and play counting, and input in fetal movement log fetus play counting and temporal information.But its shortcoming existed is that anemia of pregnant woman must note possible error of omission and incorrect posting in the moment, heavier to the burden of anemia of pregnant woman, and consuming time inaccurate again.
To sum up, correlation technique needs to improve.
Utility model content
This utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the purpose of this utility model is to propose a kind of fetal rhythm monitoring device, without the need to launching ultrasonic signal, and can the health and fitness information of Real-time Obtaining fetus.
For achieving the above object, the utility model proposes a kind of fetal rhythm monitoring device, comprising: for detecting the first acquisition probe of stomach wall place mixed signal; The first signal acquisition module be connected with described first acquisition probe, described first signal acquisition module is used for processing to export the first digital signal to described mixed signal; The fetal rhythm extraction module be connected with described first signal acquisition module, described fetal rhythm extraction module is used for extracting fetal heart rate signal according to described first digital signal; The analytical calculation module be connected with described fetal rhythm extraction module, described computing module is used for obtaining analysis result to described fetal heart rate signal analysis, and according to described Analysis result calculation fetal rhythm parameter.
According to the fetal rhythm monitoring device that the utility model proposes, first signal acquisition module is by the mixed signal at the first acquisition probe detection stomach wall place, and process to export the first digital signal to mixed signal, afterwards, the first digital signal that fetal rhythm extraction module exports according to the first signal acquisition module extracts fetal heart rate signal, and analytical calculation module calculates fetal rhythm parameter according to fetal heart rate signal.Thus, this fetal rhythm monitoring device gathers the physiological signal of human body by passive mode, does not initiatively launch ultrasound wave, can the health and fitness information of Real-time Obtaining fetus, and calculates fetal rhythm parameter, to user's quantizating index intuitively to the fetal heart rate signal extracted.Further, this fetal rhythm monitoring device does not use ultrasound wave, also without the need to using couplant, and because physiological signal can conduct at human body, to the special requirement in collection position, do not need the position specially finding fetal rhythm, convenience and the comfortableness of user's use can be improved.
Particularly, described first acquisition probe can be electrode or sound transducer.
Wherein, when described first acquisition probe is electrode, described fetal rhythm extraction module extracts fetal electrocardiogram signal according to described first digital signal, and described analytical calculation module calculates Fetal Heart Rate and fetal movement number of times according to described fetal electrocardiogram signal; When described first acquisition probe is sound transducer, described fetal rhythm extraction module extracts fetal heart sound signal according to described first digital signal, and described analytical calculation module calculates Fetal Heart Rate according to described fetal heart sound signal.
Particularly, described electrode can be textile electrode, conductive fabric or electrode patch.
Further, described fetal rhythm extraction module is specifically for extracting described fetal heart rate signal by blind source separation algorithm from described first digital signal.
Further, described fetal rhythm monitoring device also comprises: for detecting the second acquisition probe of parent electrocardiosignal or environmental noise signal; The secondary signal acquisition module be connected with described fetal rhythm extraction module with described second acquisition probe respectively, described secondary signal acquisition module is used for processing to export the second digital signal to described parent electrocardiosignal or environmental noise signal.
Wherein, when described first acquisition probe is electrode, described second acquisition probe is for detecting parent electrocardiosignal, and described fetal rhythm extraction module extracts described fetal electrocardiogram signal according to described first digital signal and described second digital signal; When described first acquisition probe is sound transducer, described second acquisition probe is used for acquisition environment noise signal, and described fetal rhythm extraction module extracts described fetal heart sound signal according to described first digital signal and described second digital signal.
Further, described fetal rhythm monitoring device also comprises: the fetal movement detection module be connected with described analytical calculation module, described fetal movement detection module be used for detecting fetal movement and when described fetal movement occurs output detections signal, calculate fetal movement number of times to make described analytical calculation module according to described detection signal and described fetal electrocardiogram signal.Wherein, described fetal movement detection module can comprise acceleration transducer, pressure transducer or piezoelectric transducer.
Further, described fetal rhythm monitoring device also comprises: the alarm module be connected with described analytical calculation module, and described alarm module is used for sending a warning when judging that described fetal rhythm parameter occurs abnormal.
Further, described fetal rhythm monitoring device also comprises: the memory module be connected with described analytical calculation module, and described memory module is for storing described fetal heart rate signal and described fetal rhythm parameter.
Further, described fetal rhythm monitoring device also comprises: the communication module be connected with described analytical calculation module, described communication module communicates with intelligent terminal, and described communication module to be used for described fetal heart rate signal and described fetal rhythm parameter transmission to described intelligent terminal to show.Wherein, described intelligent terminal can comprise computer, mobile phone or bracelet.
Particularly, described first acquisition probe, described first signal acquisition module and described communication module can be arranged on a bellyband.
Accompanying drawing explanation
Fig. 1 is the block diagram of the fetal rhythm monitoring device according to this utility model embodiment;
Fig. 2 is the block diagram of the fetal rhythm monitoring device according to this utility model embodiment;
Fig. 3 is the block diagram of the fetal rhythm monitoring device according to another embodiment of this utility model;
Fig. 4 is the block diagram of the fetal rhythm monitoring device according to another embodiment of this utility model;
Fig. 5 is the block diagram of the fetal rhythm monitoring system according to this utility model embodiment;
Fig. 6 is the block diagram of the fetal rhythm monitoring system according to another embodiment of this utility model.
Reference numeral:
First acquisition probe 10, first signal acquisition module 20, fetal rhythm extraction module 30, analytical calculation module 40, second acquisition probe 50, secondary signal acquisition module 60, fetal movement detection module 70, alarm module 80, memory module 90, fetal rhythm monitoring device 100, intelligent terminal 200 and server 300.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings describe the fetal rhythm monitoring device of this utility model embodiment, wherein, fetal rhythm monitoring device can monitor Fetal Heart Rate and the/health and fitness information such as fetal movement of fetus.
Fig. 1 is the block diagram of the fetal rhythm monitoring device according to this utility model embodiment.As shown in Figure 1, fetal rhythm monitoring device comprises: the first acquisition probe 10, first signal acquisition module 20, fetal rhythm extraction module 30 and analytical calculation module 40.
Wherein, the first acquisition probe 10 can be placed on maternal abdominal surface, and namely the first acquisition probe 10 can be arranged on bellyband and to fit in the abdominal part of anemia of pregnant woman, and the first acquisition probe 10 is for detecting stomach wall place mixed signal; First signal acquisition module 20 is connected with the first acquisition probe 10, and the first signal acquisition module 20 exports the first digital signal for processing mixed signal.
Specifically, first signal acquisition module 20 can comprise the signal conditioning circuit such as amplifying circuit, filter circuit and A/D converter, first signal acquisition module 20 is after obtaining the mixed signal at stomach wall place by the first acquisition probe 10, mixed signal is amplified, the pretreatment such as filtering, pretreated signal becomes digital signal through A/D converter from analogue signal and exports the first digital signal to make the first signal acquisition module 20.
Fetal rhythm extraction module 30 is connected with the first signal acquisition module 20, and fetal rhythm extraction module 30 is for extracting fetal heart rate signal according to the first digital signal, and wherein, fetal heart rate signal is Fetal ECG signal or fetal heart sound signal.That is, the first digital signal can be exported to fetal rhythm extraction module 30 by the first signal acquisition module 20, and fetal rhythm extraction module 30 can extract fetal heart rate signal from the first digital signal, namely says to extract fetal heart rate signal from mixed signal.
Analytical calculation module 40 is connected with fetal rhythm extraction module 30, analytical calculation module 40 for obtaining analysis result to fetal heart rate signal analysis, and according to Analysis result calculation fetal rhythm parameter.That is, the fetal heart rate signal extracted can be sent to analytical calculation module 40 by fetal rhythm extraction module 30, analytical calculation module 40 can be analyzed the crest location of fetal heart rate signal, peak time spacing and amplitude etc., and calculates fetal rhythm parameter according to the corrugation pitch of fetal heart rate signal, amplitude and correlation coefficient etc.
As mentioned above, fetal rhythm monitoring device can be placed on the abdominal part of anemia of pregnant woman, first acquisition probe 10 just can collect the mixed signal at anemia of pregnant woman's stomach wall place and mixed signal be exported to the first signal acquisition module 20, first signal acquisition module 20 pairs mixed signal is carried out pretreatment and pretreated mixed signal is converted to the first digital signal, afterwards, fetal rhythm extraction module 30 can extract fetal heart rate signal and fetal heart rate signal be exported to analytical calculation module 40 from the first digital signal, and analytical calculation module 40 just can calculate the fetal rhythm parameter of fetus.
Thus, the fetal rhythm monitoring device that this utility model embodiment proposes, the physiological signal of human body is gathered by passive mode, initiatively do not launch ultrasound wave, can the health and fitness information of Real-time Obtaining fetus, and fetal rhythm parameter is calculated to the fetal heart rate signal extracted, provide quantizating index intuitively to the user of figure of failing to understand.Further, this fetal rhythm monitoring device does not use ultrasound wave, also without the need to using couplant, and because physiological signal can conduct at human body, to the special requirement in collection position, do not need the position specially finding fetal rhythm, convenience and the comfortableness of user's use can be improved.
According to a specific embodiment of the present utility model, the first acquisition probe 10 can be electrode or sound transducer.According to a preferred embodiment of the present utility model, when the first acquisition probe 10 is electrode, electrode can prioritizing selection be textile electrode or conductive fabric and other there is the textile material of electric conductivity, thus better can to arrange in pairs or groups with bellyband, better comfort level is provided, is suitable for long-time monitoring; Secondaryly be chosen as electrode patch.Sound transducer can be vibrating sensor.
Wherein, when the first acquisition probe 10 is electrode, fetal rhythm extraction module 30 extracts fetal electrocardiogram signal according to the first digital signal, and analytical calculation module 40 calculates Fetal Heart Rate and fetal movement number of times according to fetal electrocardiogram signal.It should be noted that, because electrode is placed on maternal abdominal surface, so the electrocardiosignal of fetus could be gathered by the first acquisition probe 10 after arriving body surface through amniotic fluid, Uterus wall, anemia of pregnant woman's stomach wall layer, the mixed signal that first acquisition probe 10 collects generally only has tens microvolts, and this mixed signal is aliasing in the background noises such as parent electrocardio, myoelectricity and breathing except comprising fetal electrocardiogram signal.
Thus, fetal rhythm extraction module 30 can have the first digital signal of the background noises such as parent electrocardio, myoelectricity and breathing from aliasing and extracts fetal electrocardiogram signal, analytical calculation module 40 can be analyzed the R peak position of fetal electrocardiogram signal, R-R peak time spacing and amplitude etc., and go out Fetal Heart Rate according to the R-R peak time distance computation of fetal electrocardiogram signal, and judge whether fetal movement to occur to record fetal movement number of times according to the amplitude of fetal electrocardiogram signal and correlation coefficient.
More specifically, Fetal Heart Rate can comprise instantaneous Fetal Heart Rate and average Fetal Heart Rate, and instantaneous Fetal Heart Rate can calculate according to the current cardiac electrical cycle of fetal heart rate signal, and average Fetal Heart Rate can be the meansigma methods of the instantaneous Fetal Heart Rate in Preset Time, and Preset Time is greater than current cardiac electrical cycle.Fetal movement can judge whether fetal movement occurs according to the average amplitude of Preset Time inner tube of a tyre electrocardiosignal and predetermined threshold value, if average amplitude is greater than predetermined threshold value, then judgement generation fetal movement, is designated as a fetal movement and fetal movement number of times adds 1.
In addition, electrode can include but not limited to two electrode slices, and electrode slice also can arrange the optional position of bellyband, without the need to aiming at the fetal rhythm of fetus.
When the first acquisition probe 10 is sound transducer, fetal rhythm extraction module 30 extracts fetal heart sound signal according to the first digital signal, and analytical calculation module 40 can calculate Fetal Heart Rate according to fetal heart sound signal.It should be noted that, when by sound transducer detection mixed signal, this mixed signal aliasing environment noise etc. except comprising fetal heart sound signal.
Thus, fetal rhythm extraction module 30 can have the first digital signal of ambient sound from aliasing and extracts fetal heart sound signal, and analytical calculation module 40 can be analyzed fetal heart sound signal, and goes out Fetal Heart Rate according to Analysis result calculation.
Further, according to embodiments more of the present utility model, fetal rhythm extraction module 30 extracts fetal heart rate signal by following two specific embodiments.
According to a specific embodiment of the present utility model, fetal rhythm extraction module 30 is specifically for extracting fetal heart rate signal by blind source separation algorithm from the first digital signal, and wherein, fetal heart rate signal can comprise fetal electrocardiogram signal and fetal heart sound signal.
For fetal electrocardiogram signal, when adopting blind source separation algorithm, suppose that the mixed signal at the stomach wall place gathered meets linear instantaneous aliasing model, and parent electrocardiosignal and fetal electrocardiogram signal are mutual independence, so just can extract fetal electrocardiogram signal from mixed signal.Specifically, fetal rhythm extraction module 30 directly extracts fetal electrocardiogram signal by the blind source separation algorithm such as principal component analysis, independent component analysis from the first digital signal and mixed signal, thus only need the mixed signal gathering stomach wall place, without the need to gathering extra parent electrocardiosignal, improve the convenience in actual use and comfortableness.
For fetal heart sound signal, when adopting blind source separation algorithm, suppose that the mixed signal at the stomach wall place gathered meets linear instantaneous aliasing model, and environmental noise signal and fetal heart sound signal are mutual independence, so just can extract fetal heart sound signal from mixed signal.Specifically, fetal rhythm extraction module 30 directly extracts fetal heart sound signal by the blind source separation algorithm such as principal component analysis, independent component analysis from the first digital signal and mixed signal, thus only need the mixed signal gathering stomach wall place, without the need to gathering extra environmental noise signal, improve the convenience in actual use and comfortableness.
According to another specific embodiment of the present utility model, as shown in Figure 2, fetal rhythm monitoring device also comprises: the second acquisition probe 50 and secondary signal acquisition module 60.Wherein, the second acquisition probe 50 is for detecting parent electrocardiosignal or environmental noise signal; Secondary signal acquisition module 60 is connected with fetal rhythm extraction module 30 with the second acquisition probe 50 respectively, and secondary signal acquisition module 60 is for processing to export the second digital signal to parent electrocardiosignal or environmental noise signal.Wherein, when the first acquisition probe 10 is electrode, the second acquisition probe 60 is for detecting parent electrocardiosignal, and fetal rhythm extraction module 30 extracts fetal electrocardiogram signal according to the first digital signal and the second digital signal; When the first acquisition probe 10 is sound transducer, the second acquisition probe 60 is for acquisition environment noise signal, and fetal rhythm extraction module 30 extracts fetal heart sound signal according to the first digital signal and the second digital signal.
Specifically, when the first acquisition probe 10 is electrode, second acquisition probe 50 is also correspondingly electrode, now the second acquisition probe 50 can at placement parent chest to gather parent electrocardiosignal, after secondary signal acquisition module 60 obtains parent electrocardiosignal by the second acquisition probe 50, parent electrocardiosignal is amplified, the pretreatment such as filtering, and pretreated parent electrocardiosignal is converted to digital signal to export the second digital signal to fetal rhythm extraction module 30 from analogue signal, like this, first digital signal and the second digital signal are sent into fetal rhythm extraction module 30 in the lump, fetal rhythm extraction module 30 adopts the mode deducting the second digital signal from the first digital signal to extract fetal electrocardiogram signal, namely say, fetal rhythm extraction module 30 can deduct parent electrocardiosignal signal from mixed signal, and noise reduction filtering process is carried out to extract fetal electrocardiogram signal containing noisy fetal electrocardiogram signal to remaining.
When the first acquisition probe 10 is sound transducer, second acquisition probe 50 is also correspondingly sound transducer, now the second acquisition probe 50 can be arranged back to parent to gather ambient external noise signal, after secondary signal acquisition module 60 obtains environmental noise signal by the second acquisition probe 50, environmental noise signal is amplified, the pretreatment such as filtering, and pretreated environmental noise signal from analog signal is converted to digital signal to export the second digital signal to fetal rhythm extraction module 30, like this, first digital signal and the second digital signal are sent into fetal rhythm extraction module 30 in the lump, fetal rhythm extraction module 30 adopts the mode deducting the second digital signal from the first digital signal to extract fetal heart sound signal, namely say, fetal rhythm extraction module 30 can deduct environmental noise signal from mixed signal, and noise reduction filtering process is carried out to extract fetal heart sound signal containing noisy fetal heart sound signal to remaining.
In addition, according to an embodiment of the present utility model, as shown in Figure 3, fetal rhythm monitoring device also comprises: fetal movement detection module 70.Wherein, fetal movement detection module 70 is connected with analytical calculation module 40, fetal movement detection module 70 is for detect fetal movement and output detections signal, to analytical calculation module 40, calculates fetal movement number of times to make analytical calculation module 40 according to detection signal and fetal electrocardiogram signal when fetal movement occurs.Wherein, according to a concrete example of the present utility model, fetal movement detection module 70 can comprise acceleration transducer, pressure transducer or piezoelectric transducer.
That is, fetal movement detection module 70 can utilize mechanics principle to measure the generation of fetal movement and to generate detection signal when fetal movement occurs, analytical calculation module 40 is after receiving detection signal, fetal movement number of times can be calculated according to detection signal and fetal electrocardiogram signal, thus, calculate by mechanical meaurement and fetal electrocardiogram the mode combined and obtain fetal movement number of times, to improve the accuracy of fetal movement counting.
Understandable, analytical calculation module 40 also can calculate fetal movement number of times according to detection signal or fetal heart rate signal separately.
Further, according to embodiments more of the present utility model, as shown in Figure 4, fetal rhythm monitoring device also comprises: alarm module 80.Wherein, alarm module 80 is connected with analytical calculation module 40, and alarm module 80 is for sending a warning when judging that fetal rhythm parameter such as Fetal Heart Rate or fetal movement number of times occur abnormal.
Specifically, analytical calculation module 40 can tentatively judge after calculating Fetal Heart Rate and fetal movement number of times, if Fetal Heart Rate not in the first preset range or fetal movement number of times not in the second preset range, then judge to occur that analytical calculation module 40 can control alarm module 80 and send a warning extremely; If Fetal Heart Rate in the first preset range and fetal movement number of times in the second preset range, then judge not occur exception, alarm module 80 does not send a warning.
Wherein, according to a concrete example of the present utility model, alarm module 80 can comprise buzzer or voice prompting device.
As shown in Figure 4, fetal rhythm monitoring device also comprises: memory module 90.Wherein, memory module 90 is connected with analytical calculation module 40, and memory module 90 is for storing fetal heart rate signal and fetal rhythm parameter such as Fetal Heart Rate, fetal movement number of times.
That is, fetal heart rate signal, after receiving the fetal heart rate signal that fetal rhythm extraction module 30 extracts, can be stored to memory module 90 by analytical calculation module 40, and, Fetal Heart Rate and fetal movement number of times, after calculating Fetal Heart Rate and fetal movement number of times, are stored to memory module 90 by analytical calculation module 40.Thus, directly from memory module 90 derived data, the experience of user can be promoted when needing the history health and fitness information checking fetus.
As shown in Figure 4, fetal rhythm monitoring device also comprises: communication module 91.Wherein, communication module 91 is connected with analytical calculation module 40, and communication module 91 communicates with intelligent terminal, and communication module 91 is for transferring to intelligent terminal to show by fetal heart rate signal and fetal rhythm parameter such as Fetal Heart Rate, fetal movement number of times.
Wherein, according to a concrete example of the present utility model, intelligent terminal comprises computer, mobile phone or bracelet, and communication module 91 can be the wireless communication modules such as bluetooth communication, NFC near-field communication module or Wi-Fi communication module.
Specifically, fetal heart rate signal, Fetal Heart Rate and fetal movement number of times are transported to intelligent terminal by communication module 91 by analytical calculation module 40, and the display module of intelligent terminal can show fetal heart rate signal, Fetal Heart Rate and fetal movement number of times.In addition, fetal heart rate signal, Fetal Heart Rate and fetal movement number of times also can upload onto the server by intelligent terminal, fetal heart rate signal, Fetal Heart Rate and fetal movement number of times that server is uploaded intelligent terminal are analyzed and analysis result are fed back to intelligent terminal, show analysis result to make intelligent terminal.
In addition, according to embodiments more of the present utility model, can only the first acquisition probe 10, first signal acquisition module 20 and communication module 91 be arranged on a bellyband.And fetal rhythm extraction module 30, analytical calculation module 40, alarm module 80 and memory module 90 can be arranged in intelligent terminal.
According to embodiments more of the present utility model, can the first acquisition probe 10, first signal acquisition module 20, fetal rhythm extraction module 30, analytical calculation module 40, alarm module 80, memory module 90 and communication module 91 be all arranged on a bellyband, thus, fetal rhythm monitoring device can be worn on abdominal part by anemia of pregnant woman, traditional conducting wire design abandoned by binder type fetal rhythm monitoring device, is convenient to anemia of pregnant woman and wears for a long time.
In sum, according to the fetal rhythm monitoring device that this utility model embodiment proposes, first signal acquisition module is by the mixed signal at the first acquisition probe detection stomach wall place, and process to export the first digital signal to mixed signal, afterwards, the first digital signal that fetal rhythm extraction module exports according to the first signal acquisition module extracts fetal heart rate signal, and analytical calculation module calculates fetal rhythm parameter according to fetal heart rate signal.Thus, this fetal rhythm monitoring device gathers the physiological signal of human body by passive mode, initiatively do not launch ultrasound wave, can the health and fitness information of Real-time Obtaining fetus, and fetal rhythm parameter such as Fetal Heart Rate and/or fetal movement number of times are calculated to the fetal heart rate signal extracted, to failing to understand, Electrocardiographic user provides quantizating index intuitively.Further, this fetal rhythm monitoring device does not use ultrasound wave, also without the need to using couplant, and because physiological signal can conduct at human body, to the special requirement in collection position, do not need the position specially finding fetal rhythm, convenience and the comfortableness of user's use can be improved.
This utility model also proposed a kind of fetal rhythm monitoring system.
Fig. 5 is the block diagram of the fetal rhythm monitoring system according to this utility model embodiment.As shown in Figure 5, fetal rhythm monitoring system comprises fetal rhythm monitoring device 100 and intelligent terminal 200.
Wherein, intelligent terminal 200 communicates with fetal rhythm monitoring device 100, and intelligent terminal 200 shows for the fetal heart rate signal that transmits fetal rhythm monitoring device 100 and fetal rhythm parameter such as Fetal Heart Rate, fetal movement number of times.
That is, fetal heart rate signal, Fetal Heart Rate and fetal movement number of times are transported to intelligent terminal 200 by communication module by the analytical calculation module 40 in fetal rhythm monitoring device 100, and the display module of intelligent terminal 200 can show fetal heart rate signal, Fetal Heart Rate and fetal movement number of times.
It should be noted that, the concrete structure, operation principle etc. of fetal rhythm monitoring device 100 are described in detail all in the above-described embodiments, here for succinct object, are described in detail no longer one by one.
According to a concrete example of the present utility model, intelligent terminal 200 can comprise computer, mobile phone or bracelet.
According to an embodiment of the present utility model, as shown in Figure 6, fetal rhythm monitoring system also comprises: server 300.Server 300 communicates with intelligent terminal 200, and server 300 is analyzed for the fetal heart rate signal uploaded intelligent terminal 200 and fetal rhythm parameter such as Fetal Heart Rate, fetal movement number of times, and analysis result is fed back to intelligent terminal 200 to show.
That is, fetal heart rate signal, Fetal Heart Rate and fetal movement number of times also can be uploaded onto the server 300 by intelligent terminal 200, server 300 pairs of fetal heart rate signals, Fetal Heart Rate and fetal movement number of times are analyzed and analysis result are fed back to intelligent terminal 200, show analysis result to make the display module of intelligent terminal 200.
In sum, according to the fetal rhythm monitoring system that this utility model embodiment proposes, by above-mentioned fetal rhythm monitoring device, passively can gather the physiological signal of human body, initiatively do not launch ultrasound wave, thus the health and fitness information of Real-time Obtaining fetus, and fetal rhythm parameter such as Fetal Heart Rate and/or fetal movement number of times are calculated to the fetal heart rate signal extracted, to failing to understand, Electrocardiographic user provides quantizating index intuitively.Further, this fetal rhythm monitoring system does not use ultrasound wave, also without the need to using couplant, and because physiological signal can conduct at human body, to the special requirement in collection position, do not need the position specially finding fetal rhythm, convenience and the comfortableness of user's use can be improved.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (14)
1. a fetal rhythm monitoring device, is characterized in that, comprising:
For detecting the first acquisition probe of stomach wall place mixed signal;
The first signal acquisition module be connected with described first acquisition probe, described first signal acquisition module is used for processing to export the first digital signal to described mixed signal;
The fetal rhythm extraction module be connected with described first signal acquisition module, described fetal rhythm extraction module is used for extracting fetal heart rate signal according to described first digital signal; And
The analytical calculation module be connected with described fetal rhythm extraction module, described analytical calculation module is used for obtaining analysis result to described fetal heart rate signal analysis, and according to described Analysis result calculation fetal rhythm parameter.
2. fetal rhythm monitoring device according to claim 1, is characterized in that, described first acquisition probe is electrode or sound transducer.
3. fetal rhythm monitoring device according to claim 2, is characterized in that, wherein,
When described first acquisition probe is electrode, described fetal rhythm extraction module extracts fetal electrocardiogram signal according to described first digital signal, and described analytical calculation module calculates Fetal Heart Rate and fetal movement number of times according to described fetal electrocardiogram signal;
When described first acquisition probe is sound transducer, described fetal rhythm extraction module extracts fetal heart sound signal according to described first digital signal, and described analytical calculation module calculates Fetal Heart Rate according to described fetal heart sound signal.
4. fetal rhythm monitoring device according to claim 2, is characterized in that, described electrode is textile electrode, conductive fabric or electrode patch.
5. fetal rhythm monitoring device according to claim 1, is characterized in that, described fetal rhythm extraction module is specifically for extracting described fetal heart rate signal by blind source separation algorithm from described first digital signal.
6. fetal rhythm monitoring device according to claim 2, is characterized in that, also comprise:
For detecting the second acquisition probe of parent electrocardiosignal or environmental noise signal;
The secondary signal acquisition module be connected with described fetal rhythm extraction module with described second acquisition probe respectively, described secondary signal acquisition module is used for processing to export the second digital signal to parent electrocardiosignal or environmental noise signal.
7. fetal rhythm monitoring device according to claim 6, is characterized in that, wherein,
When described first acquisition probe is electrode, described second acquisition probe is for detecting parent electrocardiosignal, and described fetal rhythm extraction module extracts fetal electrocardiogram signal according to described first digital signal and described second digital signal;
When described first acquisition probe is sound transducer, described second acquisition probe is used for acquisition environment noise signal, and described fetal rhythm extraction module extracts fetal heart sound signal according to described first digital signal and described second digital signal.
8. fetal rhythm monitoring device according to claim 3, is characterized in that, also comprise:
The fetal movement detection module be connected with described analytical calculation module, described fetal movement detection module be used for detecting fetal movement and when described fetal movement occurs output detections signal, calculate fetal movement number of times to make described analytical calculation module according to described detection signal and described fetal electrocardiogram signal.
9. fetal rhythm monitoring device according to claim 8, is characterized in that, described fetal movement detection module comprises acceleration transducer, pressure transducer or piezoelectric transducer.
10. fetal rhythm monitoring device according to claim 1, is characterized in that, also comprise:
The alarm module be connected with described analytical calculation module, described alarm module is used for sending a warning when judging that described fetal rhythm parameter occurs abnormal.
11. fetal rhythm monitoring devices according to claim 10, is characterized in that, also comprise:
The memory module be connected with described analytical calculation module, described memory module is for storing described fetal heart rate signal and described fetal rhythm parameter.
12. fetal rhythm monitoring devices according to claim 11, is characterized in that, also comprise:
The communication module be connected with described analytical calculation module, described communication module communicates with intelligent terminal, and described communication module to be used for described fetal heart rate signal and described fetal rhythm parameter transmission to described intelligent terminal to show.
13. fetal rhythm monitoring devices according to claim 12, it is characterized in that, described intelligent terminal comprises computer, mobile phone or bracelet.
14. fetal rhythm monitoring devices according to claim 12, is characterized in that, described first acquisition probe, described first signal acquisition module and described communication module are arranged on a bellyband.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105708437A (en) * | 2015-08-03 | 2016-06-29 | 美的集团股份有限公司 | Fetal heart monitoring device |
| CN105796095A (en) * | 2016-01-22 | 2016-07-27 | 纳智源科技（唐山）有限责任公司 | Fetal heart and fetal movement monitoring belt and monitoring device and system |
| CN105919583A (en) * | 2016-05-27 | 2016-09-07 | 苏州佑克骨传导科技有限公司 | Antenatal training device and fetus-voice meter integrated machine |
| CN106419901A (en) * | 2016-10-25 | 2017-02-22 | 北京工业大学 | Wearable electrocardiogram monitoring system |
| TWI635851B (en) * | 2016-12-21 | 2018-09-21 | 信通交通器材股份有限公司 | Sensing device and sensing system for instantaneously organ organ audio |
| CN109645996A (en) * | 2019-02-21 | 2019-04-19 | 广州爱听贝科技有限公司 | A kind of uterine contractions fatigue monitoring method, system, intelligent terminal and storage medium |
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2015
- 2015-08-03 CN CN201520580138.3U patent/CN204863162U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708437A (en) * | 2015-08-03 | 2016-06-29 | 美的集团股份有限公司 | Fetal heart monitoring device |
| CN105796095A (en) * | 2016-01-22 | 2016-07-27 | 纳智源科技（唐山）有限责任公司 | Fetal heart and fetal movement monitoring belt and monitoring device and system |
| WO2017124772A1 (en) * | 2016-01-22 | 2017-07-27 | 纳智源科技（唐山）有限责任公司 | Fetal heart and fetal movement monitoring strap, fetal heart and fetal movement monitoring device and system |
| CN105796095B (en) * | 2016-01-22 | 2018-12-25 | 纳智源科技（唐山）有限责任公司 | Fetal rhythm movement of the foetus monitoring band, fetal rhythm monitoring device of fetal movement and system |
| CN105919583A (en) * | 2016-05-27 | 2016-09-07 | 苏州佑克骨传导科技有限公司 | Antenatal training device and fetus-voice meter integrated machine |
| CN105919583B (en) * | 2016-05-27 | 2019-10-11 | 苏州佑克骨传导科技有限公司 | A kind of foetus teaching apparatus fetus-voice meter all-in-one machine |
| CN106419901A (en) * | 2016-10-25 | 2017-02-22 | 北京工业大学 | Wearable electrocardiogram monitoring system |
| TWI635851B (en) * | 2016-12-21 | 2018-09-21 | 信通交通器材股份有限公司 | Sensing device and sensing system for instantaneously organ organ audio |
| CN109645996A (en) * | 2019-02-21 | 2019-04-19 | 广州爱听贝科技有限公司 | A kind of uterine contractions fatigue monitoring method, system, intelligent terminal and storage medium |
| CN109645996B (en) * | 2019-02-21 | 2022-04-08 | 广州爱听贝科技有限公司 | Uterine contraction debilitation monitoring method and system, intelligent terminal and storage medium |
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