Uterine electromyographic signal simulation output device

Abstract

The invention discloses a uterine electromyographic signal simulation output device, which comprises a signal generation unit, a signal parameter adjusting unit, an output signal selection switch, a user interaction unit and a signal output electrode interface unit, and is characterized in that the signal generation unit is used for generating simulated abdominal electric signals of pregnant and lying-in women; the parameter adjusting unit can adjust parameters such as frequency, outbreak duration and interval time of the uterus electromyographic signals and can adjust the number of times of the heart rate of mothers and the heart rate of fetuses; the signal selection switch is used for switching whether the fetus electrocardio signals and the mother electrocardio signals are enabled to be output or not; the user interaction unit is used for displaying numerical information of parameters such as uterus electromyographic signal frequency Fehg, electromyographic burst duration Tb, burst resting time T1, mother electrocardio MECG and heart rate MHR thereof, fetal electrocardio and fetal heart rate FHR; and the signal output electrode interface is convenient for a user to access the device to obtain a simulated uterus electromyographic signal. The technical problem that in the prior art, selection signal output and single signal output cannot be carried out is solved.

Description

Technical Field

[0001] The present invention relates to the field of data processing, and more specifically, to a uterine myoelectric signal simulation output device. Background Art

[0002] Uterine myoelectric signals can reflect the original process of uterine muscle fiber excitation and are extremely valuable parameters in pregnancy and delivery monitoring. At present, uterine myoelectric signals are collected by electrodes and then analyzed by doctors, but it is impossible to select the output of the signal and only output a single uterine myoelectric signal, which cannot provide doctors with more signal judgments. Therefore, it is necessary to develop a uterine myoelectric signal simulation output device. Summary of the invention

[0003] The purpose of the present invention is to provide a uterine myoelectric signal simulation output device to overcome the problems existing in the prior art.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A uterine myoelectric signal simulation output device, comprising a signal generating unit, a signal parameter adjusting unit, an output signal selection switch, a user interaction unit, and a signal output electrode interface unit;

[0006] The signal generating unit is used to generate simulated maternal abdominal electrical signals;

[0007] The parameter adjustment unit is used to adjust the frequency, burst duration, and interval time parameters of the uterine myoelectric signal, as well as the number of times of the mother's heart rate and the fetal heart rate;

[0008] The signal selection switch is used to switch whether to output the fetal ECG signal and the mother's ECG signal;

[0009] The user interaction unit is used to display the uterine myoelectric signal frequency F ehg , EMG burst duration T b , resting time between bursts T l , the numerical information of maternal ECG MECG and heart rate MHR, fetal ECG and fetal heart rate FHR parameters;

[0010] The signal output electrode interface unit is used for user access to obtain simulated uterine myoelectric signals;

[0011] The signal generating unit, the signal parameter adjusting unit, the output signal selecting switch, the user interaction unit and the signal output electrode interface unit are connected in sequence.

[0012] Furthermore, it also includes a modulation output switch K for controlling whether to modulate the uterine myoelectric signal. mod , in the modulation output switch Kmod When turned on, the uterine myoelectric burst signal S is output EHG_MOD =S EHG *S mod , where S EHG is the output uterine myoelectric signal, S mod is the modulation signal, signal frequency F mod =1 / T b / 2.

[0013] Furthermore, the signal selection switch includes a first switch KMECG for controlling whether to output the mother's electrocardiogram signal MECG, and the mother's electrocardiogram signal MECG is output at a set heart rate MHR.

[0014] Furthermore, the signal selection switch includes a second switch KFECG for controlling whether to output a fetal electrocardiogram signal, and the fetal electrocardiogram signal FECG is outputted according to a set heart rate FHR timing.

[0015] Furthermore, the signal generation strategy of the signal generation unit is:

[0016] The DAC sampling rate of the uterine myoelectric signal is set to 40 Hz, and its output signal is S EHG_MOD =S EHG *S mod ;

[0017] If the fetal electrocardiogram signal FECG is output, the maternal electrocardiogram signal MECG is output at the same time. If only the maternal electrocardiogram signal MECG is selected to be output, the fetal electrocardiogram signal FECG is selected by the second switch KFECG.

[0018] Compared with the prior art, the present invention has the advantages that: the present invention can realize synchronous display of the uterine myoelectric signal frequency F on the display unit. ehg , EMG burst duration T b , resting time between bursts T l , mother's electrocardiogram MECG and its heart rate MHR, fetal electrocardiogram and fetal heart rate FHR information, solving the technical problems of the inability to output selected signals and single signal output in the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1It is a schematic diagram of the uterine myoelectric signal simulation output device of the present application.

[0021] Figure 2 It is a schematic diagram of the display unit of the present application. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" and any variations thereof in the specification and claims of the present application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0025] See also Figure 1 As shown, the present invention provides a uterine myoelectric signal simulation output device, comprising a signal generating unit 1, a signal parameter adjusting unit 2, an output signal selection switch 3, a user interaction unit 4, and a signal output electrode interface unit 5; the signal generating unit 1 is used to generate a simulated pregnant woman's abdominal electrical signal; the parameter adjusting unit 2 is used to adjust the frequency, burst duration, and interval time parameters of the uterine myoelectric signal, and the number of times of the mother's heart rate and the fetal heart rate; the signal selection switch 3 is used to switch whether to output the fetal electrocardiogram and the mother's electrocardiogram; the user interaction unit 4 is used to display the uterine myoelectric signal frequency F ehg , EMG burst duration T b , resting time between bursts T l , mother's ECG MECG and heart rate MHR, fetal ECG and fetal heart rate FHR parameters numerical information; the signal output electrode interface unit 5 is used for user access to obtain simulated uterine myoelectric signals; the signal generating unit 1, signal parameter adjustment unit 2, output signal selection switch 3, user interaction unit 4, and signal output electrode interface unit 5 are connected in sequence.

[0026] In this embodiment, the display unit 5 is provided with a modulation output switch K for controlling whether to modulate the uterine myoelectric signal. mod , in the modulation output switch K mod When turned on, the uterine myoelectric burst signal S is output EHG_MOD =S EHG *S mod , where S EHG is the output uterine myoelectric signal, S mod is the modulation signal, signal frequency F mod =1 / T b / 2.

[0027] In this embodiment, the display unit 5 is provided with a first switch KMECG for controlling whether to output the mother's electrocardiogram signal MECG, and the mother's electrocardiogram signal MECG is outputted at a set heart rate MHR.

[0028] In this embodiment, the display unit 5 is provided with a second switch KFECG for controlling whether to output the fetal electrocardiogram signal FECG, and the fetal electrocardiogram signal FECG is outputted according to the set heart rate FHR.

[0029] In this embodiment, the signal generation strategy of the signal generation unit is:

[0030] The DAC sampling rate of the uterine myoelectric signal is set to 40 Hz, and its output signal is S EHG_MOD =S EHG *S mod ;

[0031] If the fetal electrocardiogram signal FECG is output, the maternal electrocardiogram signal MECG is output at the same time. If only the maternal electrocardiogram signal MECG is selected to be output, the fetal electrocardiogram signal FECG is selected by the second switch KFECG.

[0032] The present invention can realize synchronous display of uterine myoelectric signal frequency F on the display unit. ehg , EMG burst duration T b , resting time between bursts T l , mother's ECG MECG and its heart rate MHR, fetal ECG and fetal heart rate FHR information, solving the technical problems of the inability to output selected signals and single signal output in the existing technology.

[0033] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, the patent owner may make various variations or modifications within the scope of the appended claims. As long as they do not exceed the protection scope described in the claims of the present invention, they should be within the protection scope of the present invention.

Claims

1. A uterine myoelectric signal simulation output device, characterized in that: It includes a signal generating unit, a signal parameter adjusting unit, an output signal selecting switch, a user interaction unit, and a signal output electrode interface unit; The signal generating unit is used to generate simulated maternal abdominal electrical signals; The parameter adjustment unit is used to adjust the frequency, burst duration, and interval time parameters of the uterine myoelectric signal, as well as the number of times of the mother's heart rate and the fetal heart rate; The signal selection switch is used to switch whether to output the fetal ECG signal and the mother's ECG signal; The user interaction unit is used to display the uterine myoelectric signal frequency F ehg , EMG burst duration T b , resting time between bursts T l , the numerical information of maternal ECG MECG and heart rate MHR, fetal ECG and fetal heart rate FHR parameters; The signal output electrode interface unit is used for user access to obtain simulated uterine myoelectric signals; The signal generating unit, the signal parameter adjusting unit, the output signal selecting switch, the user interaction unit and the signal output electrode interface unit are connected in sequence.

2. The uterine myoelectric signal simulation output device according to claim 1, characterized in that: The invention also includes a modulation output switch K for controlling whether to modulate the uterine myoelectric signal. mod , in the modulation output switch K mod When turned on, the uterine myoelectric burst signal S is output EHG_MOD =S EHG *S mod , where S EHG is the output uterine myoelectric signal, S mod is the modulation signal, signal frequency F mod =1 / T b / 2.

3. The uterine myoelectric signal simulation output device according to claim 1, characterized in that: The signal selection switch includes a first switch KMECG for controlling whether to output the mother's electrocardiogram signal MECG, and the mother's electrocardiogram signal MECG is outputted at a set heart rate MHR.

4. The uterine myoelectric signal simulation output device according to claim 1, characterized in that: The signal selection switch includes a second switch KFECG for controlling whether to output a fetal electrocardiogram signal FECG, and the fetal electrocardiogram signal FECG is outputted according to a set heart rate FHR timing.

5. The uterine myoelectric signal simulation output device according to claim 1, characterized in that: The signal generation strategy of the signal generation unit is: The DAC sampling rate of the uterine myoelectric signal is set to 40 Hz, and its output signal is S EHGMOD =S EHG *S mod ; If the fetal electrocardiogram signal FECG is output, the maternal electrocardiogram signal MECG is output at the same time. If only the maternal electrocardiogram signal MECG is selected to be output, the fetal electrocardiogram signal FECG is selected by the second switch KFECG.

Images