CN214017584U - Surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment system - Google Patents
Surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment system Download PDFInfo
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- CN214017584U CN214017584U CN202021193305.6U CN202021193305U CN214017584U CN 214017584 U CN214017584 U CN 214017584U CN 202021193305 U CN202021193305 U CN 202021193305U CN 214017584 U CN214017584 U CN 214017584U
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Abstract
The utility model discloses a surface myoelectricity aassessment diagnosis and biofeedback electro photoluminescence treatment system, surface myoelectricity collection module and electro photoluminescence output module are connected with the signal electrode electricity through the signal electrode switch of electrode change over switch module respectively, the signal electrode can regard as surface myoelectricity signal collection module's surface myoelectricity signal collection electrode or electro photoluminescence output module's electro photoluminescence signal electrode, surface myoelectricity collection module includes the preamplifier of electricity connection in proper order, analog filter and adc, preamplifier is connected with electrode change over switch module electricity, adc's output inserts the MCU module; the electric stimulation output module comprises a high-voltage generating circuit and a constant-current stimulation signal generating circuit; the utility model discloses a specific structural design has improved the collection quality of surface flesh electrical signal and the output precision of electrical stimulation signal simultaneously, and the while structure is with low costs and occupy small, especially adapted popularizes and applies in actual clinical aassessment diagnosis and treatment.
Description
Technical Field
The utility model belongs to the biomedical field, concretely relates to surface myoelectricity aassessment diagnosis and biofeedback electro photoluminescence treatment system.
Background
The surface electromyography evaluation and diagnosis technology carries out non-invasive detection on electromyography signals on the body surface and carries out evaluation and diagnosis on the neuromuscular function according to the detected electromyography signals; the biofeedback electric stimulation treatment technology combines a surface electromyography biofeedback technology with an electric stimulation method, judges detected surface electromyography signals, and electrically stimulates muscles according to a preset algorithm so as to realize feedback and promote the recovery of neuromuscular functions. The surface electromyography evaluation and diagnosis technology has important practical value in the fields of clinical medicine, human-computer efficiency, rehabilitation medicine, sports science and the like; the biofeedback electrical stimulation treatment technology is widely applied to rehabilitation of the neuromuscular system.
As described in the background of the invention patent with publication number CN103300853A, the existing instruments and devices have single function, and can only finish myoelectric collection and evaluation or biofeedback electrical stimulation treatment function alone, which not only increases the purchase cost of the instruments, but also can not make the collected data index effectively combine with treatment and guide the setting of electrical stimulation parameters because the diagnosis and treatment processes are relatively independent; in order to solve the problem, the invention patent of CN103300853A discloses a diagnosis and treatment system based on surface electromyography, which comprises an upper computer acquisition module, an upper computer evaluation module, an upper computer cyclic electrical stimulation output module, an upper computer biofeedback electrical stimulation output module, a communication module, a digital processing controller, a multi-channel surface electromyography electrode, a multi-channel amplification filtering module (including a preamplifier), an analog-to-digital converter, a digital-to-analog converter, a multi-channel power amplification module (including a transformer booster circuit) and an output current-limiting monitoring module; meanwhile, the functions of collecting, diagnosing and evaluating surface electromyographic signals, circulating electrical stimulation, biofeedback electrical stimulation and the like are realized; however, this solution has mainly the following drawbacks:
firstly, a stimulation sequence is generated by depending on a digital-to-analog converter, and meanwhile, a special multi-channel power amplification module and an output current-limiting monitoring module are arranged for realizing the amplification of a stimulation signal and the current monitoring, so that the error is large, the occupied volume is large, the cost is high, and the output range is small;
and secondly, the surface electromyographic electrode is simultaneously connected to the electrical stimulation output module and the surface electromyographic amplification and filtering module without isolation, so that the input impedance of the surface electromyographic amplification and filtering module is low, the performance is reduced, the signal-to-noise ratio of the surface electromyographic signal is reduced, the requirement of preprocessing the skin contacted by the electrode to reduce the skin impedance is improved, the signal quality is reduced, and the use is inconvenient.
The problems cause great difficulty in practical popularization and application in clinic. Therefore, the applicant hopes to develop a new surface electromyography evaluation diagnosis and biofeedback electrical stimulation treatment system to solve the above problems.
Disclosure of Invention
In view of this, the utility model aims at providing a surface electromyography aassessment diagnosis and biofeedback electro photoluminescence treatment system through specific structural design, has improved the collection quality of surface electromyography signal and electro photoluminescence signal's output precision simultaneously, and the structure is with low costs and occupy smallly, especially adapted popularizes and applies in actual clinical aassessment diagnosis and treatment.
The utility model adopts the technical scheme as follows:
a surface electromyography evaluation diagnosis and biofeedback electrical stimulation treatment system comprises a control host, a signal electrode and a reference electrode, wherein the control host is powered by a power module, the control host comprises an MCU module which is respectively and electrically connected with a surface electromyography acquisition module and an electrical stimulation output module, the MCU module is respectively and electrically connected with a human-computer interaction input module and a human-computer interaction output module, the surface electromyography acquisition module and the electrical stimulation output module are respectively and electrically connected with the signal electrode through a signal electrode switch of an electrode switching switch module, the signal electrode can be used as the surface electromyography signal acquisition electrode of the surface electromyography acquisition module or the electrical stimulation signal electrode of the electrical stimulation output module, and the reference electrode is simultaneously and electrically connected with the surface electromyography acquisition module through a reference electrode switch of the electrode switching switch module,
the surface myoelectricity acquisition module comprises a preamplifier, an analog filter and an analog-to-digital converter which are sequentially and electrically connected, wherein the preamplifier is electrically connected with the electrode change-over switch module, and the output end of the analog-to-digital converter is connected to the MCU module; the analog-to-digital converter does not need to be provided with a booster circuit, so that the signal acquisition error is reduced, the circuit structure is simplified, and the cost is reduced;
the electrical stimulation output module comprises a high-voltage generating circuit and a constant-current stimulation signal generating circuit; the high-voltage generating circuit is used for supplying power to the constant-current stimulation signal generating circuit; the constant-current stimulation signal generation circuit is used for outputting a constant-current stimulation signal, the current amplitude of the output constant-current stimulation signal is output and controlled by a first digital-to-analog converter controlled by an MCU, and the stimulation time sequence of the output constant-current stimulation signal is controlled by a pulse signal output by an MCU module.
Preferably, the power module adopts a rechargeable battery.
Preferably, the electrode change-over switch module adopts a relay.
Preferably, the device further comprises an upper computer, wherein the upper computer is connected with the MCU module through a wired or wireless communication module, and is used for storing, processing and displaying signals sent by the MCU module to generate a report.
Preferably, the upper computer is a notebook computer or a one-piece computer or a desktop computer, and may also be in other computer forms, which is not particularly limited in this application.
Preferably, the control host, the signal electrode and the reference electrode form a single lower computer, and the upper computer is electrically connected with the MCU modules of 1 or more lower computers through a wired or wireless communication module and is used for controlling 1 or more lower computers.
Preferably, the upper computer is in communication connection with a different place through a network.
Preferably, the MCU module is further connected with an electrode connector, the electrode connector is connected with an additional signal electrode, wherein the electrode connector is electrically connected with the electrical stimulation output module and is used for outputting the electrical stimulation signal to the additional signal electrode, and the electrode connector is further provided with an electrode detection module for detecting whether the electrode connector is connected with the additional signal electrode in real time; the signal electrode and the additional signal electrode are respectively used as a surface electromyogram signal acquisition electrode of a surface electromyogram acquisition module and an electrical stimulation signal electrode of an electrical stimulation output module; specifically, preferably, the electrode detection module may be disposed between the MCU module and the electrode connector, or the electrode detection module may not be connected to the MCU module, and is directly connected to the electrode change-over switch module through a logic control circuit, and when the electrode detection module detects that the additional signal electrode is connected to the electrode connector, the electrode change-over switch module keeps the signal electrode electrically connected to the surface myoelectric acquisition module, and is disconnected from the electrical stimulation output module.
Preferably, a digital filter is arranged between the analog-to-digital converter and the MCU module, and the digital filter is used for performing digital filtering processing on the surface myoelectric signal and then accessing the surface myoelectric signal to the MCU module; and a main amplifier is arranged between the preamplifier and the analog-to-digital converter and used for further amplifying the myoelectric acquisition signal.
Preferably, the output end of the constant-current stimulation signal generating circuit is electrically connected with the signal electrode through an electrical stimulation signal electrode switch K3, K4, and the input end of the surface myoelectricity acquisition module is electrically connected with the signal electrode through a myoelectricity acquisition signal electrode switch K1, K2; wherein, K1 and K3 adopt a first single-pole double-throw switch; while K2 and K4 employ a second single pole double throw switch.
Preferably, the preamplifier is connected with the MCU module through a second digital-to-analog converter, and the second digital-to-analog converter is controlled by the MCU module to generate waveforms required for calibrating the amplifier and the analog filter; the utility model discloses an automatic calibration function that digital-to-analog converter realized can reduce the artifical work of maring before dispatching from the factory by a wide margin (generally need 1 day time, calibration amplifier gain, frequency response etc.), and can start at every turn and do automatic calibration when using, avoids leaving the factory after the live time is longer to mark inaccurately, influences the equipment performance, or needs to return to and mark again in the factory.
The utility model provides a surface electromyography collection module and electro photoluminescence output module realize the sharing of signal electrode through electrode change-over switch module, have reliably guaranteed the high input impedance of surface electromyography collection module, and then have improved the SNR of electromyography signal, have reduced the requirement that reduces skin impedance to the skin pretreatment that the electrode contacted, improve signal quality, facilitate the use; and simultaneously the utility model discloses an electricity stimulating output module adopts the power supply of high-pressure generating circuit, and its amazing chronogenesis is controlled by the pulse signal of MCU module output, current amplitude is by the digital analog converter output control who adopts MCU control simultaneously, therefore the current range of constant current electricity stimulating output is big, maximum output voltage is big, can adapt to higher load impedance, the degree of accuracy that can obviously increase stimulating signal output simultaneously (according to the diagnosis and treatment system electricity stimulating signal amplitude error based on surface myoelectricity of CN103300853A design production is up to 30%), reduce the communication work load to digital analog converter, moreover the utility model discloses electricity stimulating output module need not to set up special multichannel power amplification module and output current-limiting monitoring module, also need not step up the transformer for the electricity stimulating signal, has effectively reduced the control device cost, reduces the volume that occupies of host installation.
When the utility model is used in practice, the lower computer and the upper computer can be separately and independently used, and the operation is convenient; the upper computer can be communicated with a plurality of lower computers at the same time, so that the function of evaluating, diagnosing and treating a plurality of parts and/or a plurality of people at the same time is realized, the use efficiency is high, and the function is strong; and the utility model discloses a dedicated surface flesh electricity collection module digital filter avoids integrating digital filter and MCU function, avoids in the CN103300853A digital processing controller not only to carry out digital filtering and still to handle signal acquisition instruction and stimulation instruction, can further improve the utility model discloses a performance specifically is including can handling more the passageway number and realize higher surface flesh electricity sampling rate and higher surface flesh electricity resolution ratio etc..
Drawings
Fig. 1 is a schematic structural diagram of a surface myoelectricity assessment diagnosis and biofeedback electrical stimulation treatment system in embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a surface myoelectricity collection module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electrical stimulation output module according to an embodiment of the present invention;
FIG. 4 is a block diagram of the surface electromyography evaluation diagnosis and biofeedback electrical stimulation treatment system according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system for surface electromyography assessment diagnosis and biofeedback electrical stimulation therapy according to embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of a surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment system according to embodiment 3 of the present invention.
Detailed Description
The embodiment of the utility model discloses surface flesh electricity aassessment diagnosis and biofeedback electro photoluminescence treatment system, include the main control system by power module power supply, signal electrode and reference electrode, the main control system includes the MCU module of being connected with surface flesh electricity collection module and electro photoluminescence output module electricity respectively, and the MCU module is connected with man-machine interaction input module and man-machine interaction output module electricity respectively, surface flesh electricity collection module and electro photoluminescence output module are connected with signal electrode electricity through the signal electrode switch of electrode change over switch module respectively, signal electrode can regard as surface flesh electricity signal collection electrode or electro photoluminescence output module's the electro photoluminescence signal electrode of surface flesh electricity collection module, reference electrode passes through the reference electrode switch of electrode change over switch module simultaneously and is connected with surface flesh electricity collection module electricity, wherein, surface flesh electricity collection module is including preamplifier that electricity is connected in proper order, The analog filter and the analog-to-digital converter, wherein the preamplifier is electrically connected with the electrode change-over switch module, and the output end of the analog-to-digital converter is connected with the MCU module; the electric stimulation output module comprises a high-voltage generating circuit and a constant-current stimulation signal generating circuit; the high-voltage generating circuit is used for supplying power to the constant-current stimulation signal generating circuit; the constant-current stimulation signal generating circuit is used for outputting a constant-current stimulation signal, the current amplitude of the constant-current stimulation signal is output and controlled by a first digital-to-analog converter controlled by an MCU, and the stimulation time sequence of the constant-current stimulation signal is controlled by a pulse signal output by an MCU module.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1: referring to fig. 1, 2 and 3, a surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment system comprises a control host, signal electrodes a and B and a reference electrode C, wherein the control host is powered by a power module and comprises an MCU module respectively electrically connected with a surface myoelectricity collection module and an electrical stimulation output module, the surface electromyogram acquisition module and the electrical stimulation output module are respectively and electrically connected with signal electrodes A and B through signal electrode switches of the electrode change-over switch module, the signal electrodes A and B can be used as surface electromyogram signal acquisition electrodes of the surface electromyogram acquisition module or electrical stimulation signal electrodes of the electrical stimulation output module, meanwhile, the reference electrode C is electrically connected with the surface myoelectricity acquisition module through a reference electrode switch of the electrode switching switch module; preferably, in the present embodiment, the power supply module adopts a rechargeable battery, and the electrode switching switch module adopts a relay; the rechargeable battery can effectively reduce the noise of the surface electromyogram signal, and the whole system does not need to be provided with a high-power grid isolation power supply, so that the structural cost of the system is reduced;
preferably, in this embodiment, the surface myoelectricity acquisition module includes a preamplifier, an analog filter and an analog-to-digital converter ADC electrically connected in sequence, where the preamplifier is electrically connected to the electrode change-over switch module, and an output end of the analog-to-digital converter ADC is connected to the MCU module; the analog-to-digital converter ADC does not need to be provided with a booster circuit, so that the signal acquisition error is reduced, and the circuit structure is simplified; particularly preferably, a digital filter (not shown) is arranged between the ADC and the MCU module, and the digital filter performs digital filtering on the surface myoelectric signal and then accesses the MCU module; in order to further improve the accuracy of the collected signals, in other embodiments, a main amplifier is arranged between the preamplifier and the analog-to-digital converter and is used for further amplifying the myoelectric collected signals; preferably, in this embodiment, the preamplifier is connected to the MCU module via a second digital-to-analog converter DAC (not shown), which is controlled by the MCU module to generate the waveforms required to calibrate the preamplifier, main amplifier (if any) and analog filter; the automatic calibration function realized by the DAC can greatly reduce the manual calibration work before delivery (generally requiring 1 day time, calibrating amplifier gain, frequency response and the like), and can carry out automatic calibration when the digital-to-analog converter is started up each time in use, thereby avoiding inaccurate delivery calibration after long use time, influencing equipment performance or needing to be returned to a factory for re-calibration;
preferably, in this embodiment, the electrical stimulation output module includes a high voltage generation circuit and a constant current stimulation signal generation circuit; the high-voltage generating circuit is used for supplying power to the constant-current stimulation signal generating circuit; the constant-current stimulation signal generation circuit is used for outputting a constant-current stimulation signal, the current amplitude of the constant-current stimulation signal is output by a first digital-to-analog converter DAC controlled by an MCU, and the stimulation time sequence of the constant-current stimulation signal is controlled by a pulse signal output by an I/O port of the MCU module and used for improving the accuracy of the stimulation signal; further preferably, in other embodiments, the electrical stimulation output module includes an electrical stimulation MCU unit, the electrical stimulation MCU unit is controlled by the MCU module, and the electrical stimulation MCU unit is responsible for controlling the current amplitude and on-off of the electrical stimulation signal in real time, so as to reduce the workload of the MCU module, improve the performance, and facilitate the electrical stimulation output modules of multiple channels to work simultaneously;
it should be noted that, each digital-to-analog converter DAC related to this embodiment may be directly disposed in the MCU module, or may be an external digital-to-analog converter DAC controlled by the MCU module;
preferably, in the present embodiment, the signal electrode switches include myoelectric collecting signal electrode switches K1, K2 and electrical stimulation signal electrode switches K3, K4; the output end of the constant current stimulation signal generating circuit is electrically connected with the signal electrodes A and B through electrical stimulation signal electrode switches K3 and K4, and the output end of the surface myoelectricity acquisition module is electrically connected with the signal electrodes A and B through myoelectricity acquisition signal electrode switches K1 and K2; wherein, K1 and K3 adopt a first single-pole double-throw switch; meanwhile, K2 and K4 adopt a second single-pole double-throw switch;
as shown in fig. 4, the operation steps of the surface electromyography evaluation diagnosis and biofeedback electrical stimulation therapy system according to this embodiment include:
s10), when the MCU module receives the surface electromyogram signal acquisition requirement sent by the human-computer interaction input module, the MCU module sends a switch driving signal to the electrode change-over switch module, and the method specifically comprises the following steps: the myoelectricity acquisition signal electrode switches K1 and K2 are controlled to be closed through the MCU module, and the electrical stimulation signal electrode switches K3 and K4 are controlled to be disconnected; at the moment, the signal electrodes A and B are used as surface electromyogram signal acquisition electrodes of the surface electromyogram signal acquisition module, the reference electrode C is used for carrying out surface electromyogram signal acquisition and outputting surface electromyogram signals to the surface electromyogram signal acquisition module, and the surface electromyogram signals are amplified, filtered and subjected to analog-to-digital conversion and then are output to the human-computer interaction output module by the MCU module;
s20), when the MCU module receives an electric stimulation requirement sent by the human-computer interaction input module, the MCU module closes the reference electrode switch C, and sends a switch driving signal to the electrode change-over switch module, and the driving signal electrodes A and B are separated from the surface myoelectricity acquisition module and connected with the electric stimulation output module; the method specifically comprises the following steps: the electric stimulation signal electrode switches K3 and K4 are controlled to be closed through the MCU module, and the myoelectricity acquisition signal electrode switches K1 and K2 are controlled to be disconnected; the MCU module outputs a pulse signal for controlling a stimulation time sequence to the electrical stimulation output module, controls the amplitude of stimulation current by controlling the output of the first digital-to-analog converter DAC, outputs a constant-current stimulation signal by the constant-current stimulation signal generation circuit under the power supply of the high-voltage generation circuit, and then outputs electrical stimulation signals to the signal electrodes A and B through the electrode switching switch module, wherein at the moment, the signal electrodes A and B are used as electrical stimulation signal electrodes of the electrical stimulation output module; the sequence of step S10) and step S20) in the present embodiment is not particularly limited, and the execution sequence is determined according to the request input by the human-machine interaction input module.
Example 2: the remaining technical solutions of this embodiment 2 are the same as those of embodiment 1, except that please refer to fig. 5, in this embodiment 2, the MCU module further has an electrode connector connected to the additional signal electrodes D and E, wherein the electrode connector is electrically connected to the electrical stimulation output module and is configured to output an electrical stimulation signal to the additional signal electrodes; an electrode detection module is arranged between the MCU module and the electrode connector and is used for detecting whether the electrode connector is connected with additional signal electrodes D and E in real time; when the electrode connector is connected with the additional signal electrodes D and E, myoelectric signal acquisition and electrical stimulation can be simultaneously carried out on different parts of a human body through the signal electrodes A and B and the additional signal electrodes D and E respectively, so that various requirements of clinical application are further met; when detecting that the electrode connector is not connected with the additional signal electrodes D and E, selectively switching on and off the myoelectric acquisition signal electrode switch and the electrical stimulation signal electrode switch through the MCU module, so that the signal electrode is selectively used as a surface myoelectric signal acquisition electrode of the surface myoelectric acquisition module or an electrical stimulation signal electrode of the electrical stimulation output module, the sharing of the signal electrodes A and B is realized, and the acquisition quality of the surface myoelectric signal is not influenced; in other embodiments of the present application, the electrode detection module may not be connected to the MCU module, and is directly connected to the electrode change-over switch module through the logic control circuit, and when the electrode detection module detects that the additional signal electrodes D and E are connected to the electrode connector, the electrode change-over switch module keeps the signal electrodes a and B electrically connected to the surface myoelectric acquisition module, and disconnects from the electrical stimulation output module.
Of course, in other embodiments, the electrode connector structure may not be required, and these are all routine technical choices available to those skilled in the art based on the technical solution of the present application according to the requirements of practical applications.
The surface electromyogram acquisition module and the electrical stimulation output module in the embodiments 1 and 2 realize the sharing of the signal electrode through the electrode changeover switch module, thereby reliably ensuring the high input impedance of the surface electromyogram acquisition module, further improving the signal-to-noise ratio of the electromyogram signal, reducing the requirement of reducing the skin impedance by preprocessing the skin contacted by the electrode, improving the signal quality and facilitating the use; meanwhile, the electrical stimulation output module of the embodiment is powered by a high-voltage generating circuit, the stimulation time sequence of the electrical stimulation output module is controlled by a pulse signal output by an MCU module, and the current amplitude is output and controlled by a digital-to-analog converter controlled by the MCU module, so that the current range of constant-current electrical stimulation output is large, the maximum output voltage is large, higher load impedance can be adapted, the accuracy of the output of the stimulation signal can be obviously improved (the amplitude error of the electrical stimulation signal of the diagnosis and treatment system based on the surface electromyogram, which is designed and produced according to CN103300853A, is up to +/-30%), the communication workload of the digital-to-analog converter is reduced, and the electrical stimulation output module of the embodiment does not need to be provided with a special multi-channel power amplification module and an output current-limiting monitoring module, does not need to boost the electrical stimulation signal by a transformer, the cost of a control device is effectively reduced, and the occupied volume of host installation is reduced; in addition, the special digital filter of the surface electromyogram acquisition module is adopted in the embodiment, the digital filter is prevented from being integrated with the MCU function, the digital processing controller in the CN103300853A is prevented from not only performing digital filtering but also processing a signal acquisition instruction and a stimulation instruction, the performance of the embodiment can be further improved, and the method specifically comprises the steps of processing more channels, realizing higher surface electromyogram sampling rate, higher surface electromyogram resolution and the like.
Example 3: the remaining technical solutions of this embodiment 3 are the same as those of embodiment 1, except that please refer to fig. 6, the system for surface electromyogram assessment diagnosis and biofeedback electrical stimulation therapy in this embodiment 3 further includes an upper computer, the control host, the signal electrodes, the reference electrodes and other related structures provided in embodiment 1 are combined into a single lower computer, and the upper computer can be electrically connected with the MCU modules of a plurality of lower computers (2 shown in fig. 6) through wired or wireless communication modules for controlling the plurality of lower computers;
preferably, in the embodiment, the upper computer is connected with the MCU module through a wired or wireless communication module, and stores, processes, and displays the signal sent by the MCU module to generate a report; particularly preferably, the upper computer can adopt a notebook computer or an all-in-one machine, and the application can also adopt an integrated trolley during implementation, so that the movement is convenient and the maintenance is convenient; preferably, in order to implement convenient communication connection, in this embodiment, the upper computer is electrically connected with the MCU module through a wired or wireless communication module, and specifically, in implementation, the MCU module is connected with the upper computer through a wired (such as optical fiber) or wireless (such as bluetooth, WIFI or CDMA); when the myoelectric muscle stimulation device is used, the upper computer receives a command input by a user, and then controls the host to work, such as setting a host working mode, setting a surface myoelectric acquisition signal parameter, an electric stimulation signal parameter, sending a myoelectric acquisition signal command and the like; the upper computer can receive the signal sent by the MCU module, and store, process and display the signal to generate a report; these specific settings are all routine technical choices that can be made by those skilled in the art based on the technical solutions described in the present application, and therefore, this embodiment is not specifically explained here; the host computer in the embodiment can be in communication connection with different places through a network, so that the operation convenience is further improved.
In practical use, the lower computer and the upper computer can be separately and independently used, so that the operation is convenient and fast; the upper computer can be communicated with a plurality of lower computers at the same time, the function of evaluating, diagnosing and treating a plurality of parts and/or a plurality of people at the same time is realized, the use efficiency is high, and the function is strong.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A surface electromyography evaluation diagnosis and biofeedback electrical stimulation treatment system comprises a control host, a signal electrode and a reference electrode, wherein the control host is powered by a power module, the control host comprises an MCU module which is respectively and electrically connected with a surface electromyography acquisition module and an electrical stimulation output module, and the MCU module is respectively and electrically connected with a human-computer interaction input module and a human-computer interaction output module, the system is characterized in that the surface electromyography acquisition module and the electrical stimulation output module are respectively and electrically connected with the signal electrode through a signal electrode switch of an electrode switching switch module, the signal electrode can be used as the surface electromyography signal acquisition electrode of the surface electromyography acquisition module or the electrical stimulation signal electrode of the electrical stimulation output module, and the reference electrode is simultaneously and electrically connected with the surface electromyography acquisition module through a reference electrode switch of the electrode switching switch module, wherein,
the surface myoelectricity acquisition module comprises a preamplifier, an analog filter and an analog-to-digital converter which are sequentially and electrically connected, wherein the preamplifier is electrically connected with the electrode change-over switch module, and the output end of the analog-to-digital converter is connected to the MCU module;
the electrical stimulation output module comprises a high-voltage generating circuit and a constant-current stimulation signal generating circuit; the high-voltage generating circuit is used for supplying power to the constant-current stimulation signal generating circuit; the constant-current stimulation signal generation circuit is used for outputting a constant-current stimulation signal, the current amplitude of the output constant-current stimulation signal is output and controlled by a first digital-to-analog converter controlled by an MCU, and the stimulation time sequence of the output constant-current stimulation signal is controlled by a pulse signal output by an MCU module.
2. The system according to claim 1, wherein the power module is a rechargeable battery.
3. The system for surface electromyography assessment diagnosis and biofeedback electrical stimulation therapy according to claim 1, wherein said electrode switcher module employs a relay.
4. The system for surface electromyography evaluation, diagnosis and biofeedback electrical stimulation therapy according to claim 1, further comprising an upper computer, wherein the upper computer is connected with the MCU module through a wired or wireless communication module, and stores, processes and displays signals sent by the MCU module to generate a report.
5. The system for surface electromyography evaluation, diagnosis and biofeedback electrical stimulation therapy according to claim 4, wherein the control host, the signal electrodes and the reference electrodes form a single lower computer, and the upper computer is electrically connected with the MCU modules of 1 or more lower computers through a wired or wireless communication module and is used for controlling the 1 or more lower computers.
6. The system for surface electromyography assessment diagnosis and biofeedback electrical stimulation therapy according to claim 4, wherein said upper computer is communicatively connected to an offsite location via a network.
7. The system for surface electromyogram assessment, diagnosis and biofeedback electrical stimulation therapy according to claim 1, wherein the MCU module is further connected to an electrode connector, the electrode connector is connected to an additional signal electrode, wherein the electrode connector is electrically connected to the electrical stimulation output module for outputting the electrical stimulation signal to the additional signal electrode, and the electrode connector is further provided with an electrode detection module for detecting whether the electrode connector is connected to the additional signal electrode in real time; the signal electrode and the additional signal electrode are respectively used as a surface electromyogram signal acquisition electrode of a surface electromyogram acquisition module and an electrical stimulation signal electrode of an electrical stimulation output module.
8. The system for surface electromyography evaluation, diagnosis and biofeedback electrical stimulation therapy according to claim 1, wherein a digital filter is disposed between the analog-to-digital converter and the MCU module, and the digital filter is used for performing digital filtering processing on the surface electromyography signals and then accessing the digital filter to the MCU module; and a main amplifier is arranged between the preamplifier and the analog-to-digital converter and used for further amplifying the myoelectric acquisition signal.
9. The system for surface electromyogram assessment diagnosis and biofeedback electrical stimulation therapy according to claim 1, wherein the output end of the constant current stimulation signal generation circuit is electrically connected with the signal electrode through an electrical stimulation signal electrode switch K3, K4, and the input end of the surface electromyogram collection module is electrically connected with the signal electrode through an electromyogram collection signal electrode switch K1, K2; wherein, K1 and K3 adopt a first single-pole double-throw switch; while K2 and K4 employ a second single pole double throw switch.
10. The system according to claim 1, wherein the preamplifier is connected to the MCU module via a second digital-to-analog converter, and the second digital-to-analog converter is controlled by the MCU module to generate the waveforms required for calibrating the amplifier and the analog filter.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632273A (en) * | 2020-06-24 | 2020-09-08 | 江苏德长医疗科技有限公司 | Surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment method |
| WO2023029287A1 (en) * | 2021-09-02 | 2023-03-09 | 中国科学院深圳先进技术研究院 | Dynamic switching apparatus and dynamic switching method for myoelectricity acquisition reference electrode |
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2020
- 2020-06-24 CN CN202021193305.6U patent/CN214017584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632273A (en) * | 2020-06-24 | 2020-09-08 | 江苏德长医疗科技有限公司 | Surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment method |
| CN111632273B (en) * | 2020-06-24 | 2023-04-18 | 江苏德长医疗科技有限公司 | Surface myoelectricity evaluation diagnosis and biofeedback electrical stimulation treatment method |
| WO2023029287A1 (en) * | 2021-09-02 | 2023-03-09 | 中国科学院深圳先进技术研究院 | Dynamic switching apparatus and dynamic switching method for myoelectricity acquisition reference electrode |
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