CN117482392A - Automatic myoelectricity biofeedback control method and myoelectricity stimulation device - Google Patents
Automatic myoelectricity biofeedback control method and myoelectricity stimulation device Download PDFInfo
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- 230000000638 stimulation Effects 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 59
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- 206010049565 Muscle fatigue Diseases 0.000 claims abstract description 13
- 230000003183 myoelectrical effect Effects 0.000 claims description 74
- 238000004891 communication Methods 0.000 claims description 45
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 17
- 230000000694 effects Effects 0.000 description 8
- 210000001364 upper extremity Anatomy 0.000 description 8
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 4
- 206010006074 Brachial plexus injury Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000000554 physical therapy Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010028289 Muscle atrophy Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000003461 brachial plexus Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000020763 muscle atrophy Effects 0.000 description 1
- 230000004220 muscle function Effects 0.000 description 1
- 201000000585 muscular atrophy Diseases 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36003—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of motor muscles, e.g. for walking assistance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
- A61B5/397—Analysis of electromyograms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/3603—Control systems
- A61N1/36031—Control systems using physiological parameters for adjustment
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Abstract
The invention provides an automatic myoelectricity biofeedback control method and a myoelectricity stimulation device, which relate to the technical field of medical rehabilitation instruments and comprise the following steps: step S1, placing an acquisition electrode and an output electrode at a target part of a user; step S2, in the rehabilitation training process of the user, the myoelectricity biofeedback controller acquires the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time, and controls the output electrode to automatically start to release the electric stimulation signals when the signal value of the surface myoelectricity signals reaches a preset starting threshold value; and step S3, in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller detects that the signal value of the fed-back surface myoelectricity signal represents that the target part continuously has muscle fatigue, and controls the output electrode to automatically stop releasing the electrical stimulation signal. The rehabilitation device has the beneficial effects that the rehabilitation process of a patient is effectively accelerated in an automatic biofeedback mode; the intensity and the frequency of the electric stimulation signals can be dynamically adjusted, and the burden of rehabilitation doctors is reduced.
Description
Technical Field
The invention relates to the technical field of medical rehabilitation instruments, in particular to an automatic myoelectric biofeedback control method and a myoelectric stimulation device.
Background
The most common problem in patients who are operated on by brachial plexus injuries is upper limb dysfunction due to irreversible muscle atrophy plus lack of subsequent functional exercise. In the conventional rehabilitation treatment process, multiple physiotherapy means are provided for rehabilitation of the upper limb muscle function of a patient, wherein the electrical stimulation treatment shows a relatively clear and good rehabilitation effect, but the preparation and adjustment of the current clinical rehabilitation scheme of the electrical stimulation rehabilitation mainly depend on the experience of doctors. According to the past clinical rehabilitation experience, the electrical stimulation rehabilitation needs to have a visual effect, promote nerve regeneration after repair, improve the muscle strength and action completion condition of target muscles, and needs continuous and long-time rehabilitation, but needs a certain electrical stimulation strength, which may cause fatigue of the target muscles.
In addition, the current brachial plexus physiotherapy rehabilitation scheme mainly comprises passive rehabilitation, so that the rehabilitation initiative and the rehabilitation enthusiasm of a patient are difficult to mobilize, and the rehabilitation effect is greatly influenced. In addition, the current rehabilitation field in China has the advantages that resources of rehabilitation therapists who perform electric stimulation rehabilitation therapy on the upper limb functions of patients after the brachial plexus injury operation are limited, and the same rehabilitation therapist is often required to guide and assist a plurality of patients to perform rehabilitation therapy simultaneously, so that the aim of achieving a one-to-many therapy mode and certain intelligentization of a therapeutic instrument on the premise of not increasing the workload of the rehabilitation therapist is achieved, and the core of the problem is solved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides an automatic myoelectricity biofeedback control method, which comprises the steps of:
step S1, placing the acquisition electrode and the output electrode at a target part of a user;
step S2, in the rehabilitation training process of a user, the myoelectricity biofeedback controller acquires the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time, and controls the output electrode to automatically start to release the electric stimulation signals when the signal value of the surface myoelectricity signals reaches a preset starting threshold value;
and step S3, in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller controls the output electrode to automatically stop releasing the electrical stimulation signal when detecting that the signal value of the surface myoelectricity signal fed back represents that the target part continuously has muscle fatigue.
Preferably, the step S3 further includes a dynamic adjustment process, where the dynamic adjustment process includes:
in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller judges whether the signal value of the surface myoelectricity signal fed back is not smaller than a preset fatigue threshold value:
if yes, controlling the output electrode to dynamically weaken the intensity and frequency of the electric stimulation signal;
and if not, controlling the output electrode to keep releasing the electric stimulation signal.
Preferably, in step S3, the myoelectricity biofeedback controller characterizes that the target portion continuously suffers from muscle fatigue when detecting that the signal value of the surface myoelectricity signal fed back is not less than a preset fatigue threshold and lasts for a preset time, so as to control the output electrode to automatically stop releasing the electrical stimulation signal.
Preferably, the myoelectricity biofeedback controller is also in communication connection with an external upper computer; in the step S2 and the step S3, further include:
the myoelectricity biofeedback controller uploads the obtained surface myoelectricity signals to the upper computer in real time for a rehabilitation doctor to check;
and/or
And receiving an electric stimulation adjusting signal which is issued by the rehabilitation doctor through the upper computer and contains the intensity and the frequency of the electric stimulation signal, so as to dynamically adjust the intensity and the frequency of the electric stimulation signal released by the output electrode according to the electric stimulation adjusting signal.
Preferably, when the myoelectric biofeedback controller receives the electrical stimulation adjustment signal, the electrical stimulation adjustment signal has the highest execution priority.
The invention also provides an automatic myoelectric stimulation device, which adopts the automatic myoelectric biofeedback control method, and comprises the following steps:
the acquisition module is connected with an acquisition electrode arranged at a target position of a user and used for acquiring surface electromyographic signals of the target position in real time through the acquisition electrode;
the output module is connected with an output electrode arranged beside the acquisition electrode;
and the myoelectricity biofeedback controller is respectively connected with the acquisition module and the output module and is used for acquiring the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time in the rehabilitation training process of a user, controlling the output electrode to automatically start to release an electric stimulation signal when the signal value of the surface myoelectricity signals reaches a preset starting threshold value, and controlling the output electrode to automatically stop releasing the electric stimulation signal when the signal value of the surface myoelectricity signals, which are detected to be fed back, represents that the target part continuously has muscle fatigue in the process of the electric stimulation of the target part.
Preferably, the myoelectricity biofeedback controller includes an adjustment control unit, configured to generate an electrical stimulation adjustment signal when the signal value of the surface myoelectricity signal is determined to be not less than a preset fatigue threshold in a process that the output electrode starts to perform electrical stimulation on the target portion;
the output module controls the output electrode to dynamically weaken the intensity and the frequency of the electric stimulation signal according to the electric stimulation adjustment signal.
Preferably, the myoelectricity biofeedback controller includes a stopping control unit, configured to detect that the signal value of the fed-back surface myoelectricity signal is not less than a preset fatigue threshold and indicates that muscle fatigue continuously occurs in the target portion when the preset time duration is long, and further control the output electrode to automatically stop releasing the electrical stimulation signal.
Preferably, the myoelectricity biofeedback controller further comprises a communication module which is respectively connected with the myoelectricity biofeedback controller and an external upper computer, and the communication module comprises:
the first communication unit is used for uploading the surface electromyographic signals acquired in real time by the electromyographic biofeedback controller to the upper computer for a rehabilitation doctor to check;
and/or
The second communication unit is used for receiving an electric stimulation adjusting signal which is issued by the upper computer and contains the intensity and the frequency of the electric stimulation signal and sending the electric stimulation adjusting signal to the myoelectricity biofeedback controller, and the myoelectricity biofeedback controller controls the output module to dynamically adjust the intensity and the frequency of the electric stimulation signal released by the output electrode according to the electric stimulation adjusting signal;
when the myoelectricity biofeedback controller receives the electrical stimulation adjustment signal, the electrical stimulation adjustment signal has the highest execution priority.
Preferably, the communication module further includes a third communication unit, configured to perform matching binding or binding release with the upper computer to be communicated, so as to establish communication connection with or disconnect communication connection from the upper computer to which the matching binding is to be performed.
The technical scheme has the following advantages or beneficial effects:
1) The output electrode is automatically started and controlled by collecting the surface electromyographic signals of the target part, so that a certain biofeedback is given to a user, the initiative and the enthusiasm of the rehabilitation of the user are mobilized, and the rehabilitation process of a patient is effectively accelerated in a biofeedback mode;
2) The surface electromyographic signals are monitored in real time in the rehabilitation process, so that the muscle state in the rehabilitation process can be detected, the strength and the frequency of the electrical stimulation signals can be intelligently, dynamically and real-timely adjusted, the individuation of a rehabilitation scheme is realized, the rehabilitation medical cost is saved, and the burden of a rehabilitation doctor is lightened.
Drawings
FIG. 1 is a schematic flow chart of an automatic myoelectric biofeedback control method according to a preferred embodiment of the present invention;
FIG. 2 is a flow chart of the dynamic adjustment process according to the preferred embodiment of the invention;
FIG. 3 is a schematic block diagram of an automated myoelectric stimulation apparatus in accordance with a preferred embodiment of the present invention;
fig. 4 is a schematic diagram of a host computer simultaneously matching and binding a plurality of automated myoelectric stimulation devices according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present invention is not limited to the embodiment, and other embodiments may fall within the scope of the present invention as long as they conform to the gist of the present invention.
In a preferred embodiment of the present invention, based on the above-mentioned problems existing in the prior art, an automated myoelectricity biofeedback control method is provided, in which a myoelectricity biofeedback controller is preset, and the myoelectricity biofeedback controller is connected with an acquisition electrode and an output electrode, as shown in fig. 1 and 3, the automated myoelectricity biofeedback control method includes:
step S1, placing an acquisition electrode and an output electrode at a target part of a user;
step S2, in the rehabilitation training process of the user, the myoelectricity biofeedback controller acquires the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time, and controls the output electrode to automatically start to release the electric stimulation signals when the signal value of the surface myoelectricity signals reaches a preset starting threshold value;
and step S3, in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller detects that the signal value of the fed-back surface myoelectricity signal represents that the target part continuously has muscle fatigue, and controls the output electrode to automatically stop releasing the electrical stimulation signal.
Specifically, in this embodiment, the collecting electrode 2 and the output electrode 4 are preferably disposed at the same muscle position of the target portion, before performing rehabilitation training, the collecting electrode 2 and the output electrode 4 are fixed, then when the user tries to move the target portion, the collecting electrode 2 can capture the surface electromyographic signal of the target portion and send the surface electromyographic signal to the collecting module 1, then the collecting module 1 transmits the surface electromyographic signal to the electromyographic biofeedback controller 5, when the surface electromyographic signal meets a preset electrical stimulation starting condition (i.e., the signal value of the surface electromyographic signal reaches a preset starting threshold), the electromyographic biofeedback controller 5 automatically controls the output module 3 to automatically start the output electrode 4, after the output electrode 4 is started, the corresponding electrical stimulation signal can be released, when the user feels that the target portion is stimulated electrically, the user can have a specific sense on the active motion of the target portion, the effect of biofeedback is achieved, the user can be stimulated by an automatic biofeedback mode to excite the patient to perform active electrical stimulation treatment in the rehabilitation process, and the user has better sense the active motion condition of the target portion of the user, and the rehabilitation process is further the rehabilitation process.
In a preferred embodiment of the present invention, step S3 further includes a dynamic adjustment process, as shown in fig. 2, where the dynamic adjustment process includes:
in the process of starting the output electrode to electrically stimulate the target part, the myoelectricity biofeedback controller judges whether the signal value of the fed-back surface electromyographic signal is not less than a preset fatigue threshold value:
if yes, controlling the output electrode to dynamically weaken the intensity and frequency of the electric stimulation signal;
if not, the output electrode is controlled to keep releasing the electric stimulation signal.
In the preferred embodiment of the present invention, in step S3, the myoelectricity biofeedback controller detects that the signal value of the fed-back surface myoelectricity signal is not less than the preset fatigue threshold and indicates that the target portion continuously suffers from muscle fatigue when the preset time duration is long, so as to control the output electrode to automatically stop releasing the electrical stimulation signal.
Specifically, in this embodiment, after the electrical stimulation is started, the myoelectric biofeedback controller 5 continuously monitors the surface electromyographic signal, so that the intensity and frequency of the electrical stimulation signal released to the output electrode 4 can be dynamically adjusted based on the change of the surface electromyographic signal. The muscle state of the patient can be monitored in real time, so that the safety and the high efficiency of the rehabilitation process are ensured. In other words, when the automatic myoelectric stimulation device is used by a user, the user can know the fatigue/damage degree of the muscle through the sensed electric stimulation signals, so that the rehabilitation training scheme is actively adjusted. By the mode, the initiative of the user is fully mobilized, the rehabilitation effect can be better guaranteed, the rehabilitation effect can be further improved, the safety problem possibly encountered by a patient in the rehabilitation process can be reduced, and an innovative solution is provided for rehabilitation therapy.
More specifically, when the output electrode 4 is started, the electric stimulation signal can be released according to the preset initial strength and frequency, and when the signal value of the surface electromyographic signal is detected to reach or exceed the preset fatigue threshold value in the electric stimulation process, the fatigue of the muscle of the target part is indicated, and at the moment, the user can be reminded by weakening the strength and frequency of the electric stimulation signal or stopping releasing the electric stimulation signal. Preferably, the intensity and frequency of the above-mentioned weakening electric stimulation signal may continuously weaken the electric stimulation signal according to a preset weakening step length, or continuously degrade according to the intensity and frequency associated with preset different levels, so as to weaken the electric stimulation signal, which is not limited herein. More preferably, in the electrical stimulation process, in order to improve detection accuracy, stopping of the electrical stimulation signal may not be triggered when the signal value of the surface electromyographic signal is detected to reach or exceed the preset fatigue threshold for a single time, but stopping of the electrical stimulation signal may be triggered only when the signal value of the surface electromyographic signal is detected to reach or exceed the preset fatigue threshold for a period of time.
In the preferred embodiment of the invention, the myoelectricity biofeedback controller is also in communication connection with an external upper computer; in step S2 and step S3, further include:
the myoelectricity biofeedback controller uploads the acquired surface myoelectricity signals to an upper computer in real time for a rehabilitation doctor to check;
and/or
And receiving an electric stimulation adjusting signal which is issued by a rehabilitation doctor through the upper computer and contains the intensity and the frequency of the electric stimulation signal, so as to dynamically adjust the intensity and the frequency of the electric stimulation signal released by the output electrode according to the electric stimulation adjusting signal.
In a preferred embodiment of the present invention, the electrical stimulation adjustment signal has the highest execution priority when the electrical stimulation adjustment signal is received by the myoelectric biofeedback controller.
Specifically, in this embodiment, the myoelectricity biofeedback controller may also establish a communication connection with an external host computer, which may be a wireless communication connection or a wired communication connection. The upper computer is preferably controlled by a rehabilitation doctor, and the rehabilitation doctor can check the surface electromyographic signals of the user in real time through the upper computer. Meanwhile, the rehabilitation doctor can also directly adjust the intensity and frequency of the electric stimulation signal of the user through the upper computer, and in the preferred embodiment of the invention, when the myoelectricity biofeedback controller receives the electric stimulation adjustment signal issued by the upper computer, the electric stimulation adjustment signal has the highest execution priority. In other words, when the output module 3 receives the intensity and frequency of the electrical stimulation signal dynamically adjusted by the myoelectric biofeedback controller 5 according to the surface myoelectric signal and the intensity and frequency of the electrical stimulation signal set by the rehabilitation doctor received by the myoelectric biofeedback controller 5 through the upper computer 8, the intensity and frequency of the electrical stimulation signal set by the rehabilitation doctor are based.
The upper computer 8 may be a notebook computer, an integrated machine, a desktop computer, or other computer or mobile terminal, which is not limited herein.
The invention also provides an automatic myoelectricity stimulation device, which adopts the automatic myoelectricity biofeedback control method, as shown in figure 3, and comprises:
the acquisition module 1 is connected with an acquisition electrode 2 arranged at a target part of a user and is used for acquiring surface electromyographic signals of the target part in real time through the acquisition electrode 2;
the output module 3 is connected with an output electrode 4 arranged beside the acquisition electrode;
and the myoelectricity biofeedback controller 5 is respectively connected with the acquisition module 1 and the output module 3 and is used for acquiring the surface myoelectricity signals of the target part acquired by the acquisition electrode 2 in real time in the rehabilitation training process of the user, controlling the output electrode to automatically start to release the electric stimulation signals when the signal value of the surface myoelectricity signals reaches a preset starting threshold value, and controlling the output electrode 4 to automatically stop releasing the electric stimulation signals when the output electrode 4 starts to electrically stimulate the target part and detecting that the fed back signal value of the surface myoelectricity signals represents that the target part continuously has muscle fatigue.
In the preferred embodiment of the invention, the device further comprises a power module 6 which is respectively connected with the acquisition module 1, the output module 3 and the myoelectricity biofeedback controller 5 and is used for respectively supplying power to the acquisition module 1, the output module 3 and the myoelectricity biofeedback controller 5.
Specifically, in the present embodiment, the power supply module 6 described above preferably employs a rechargeable battery.
In a preferred embodiment of the present invention, the myoelectricity biofeedback controller 5 includes an adjustment control unit 51, configured to generate an electrical stimulation adjustment signal when the signal value of the surface myoelectricity signal is determined to be not less than a preset fatigue threshold value in the process of starting the electrical stimulation on the target portion by the output electrode 4;
the output module 3 controls the output electrode to dynamically attenuate the intensity and frequency of the electrical stimulation signal according to the electrical stimulation adjustment signal.
In a preferred embodiment of the present invention, the myoelectricity biofeedback controller 5 includes a stopping control unit 52, configured to detect that the signal value of the fed-back surface myoelectricity signal is not less than a preset fatigue threshold and continuously indicates that the target portion continuously suffers from muscle fatigue for a preset period of time, so as to control the output electrode 4 to automatically stop releasing the electrical stimulation signal.
In the preferred embodiment of the present invention, the present invention further comprises a communication module 7, which is respectively connected to the myoelectricity biofeedback controller 5 and the external host computer 8, wherein the communication module 7 comprises:
the first communication unit 71 is configured to upload the surface myoelectric signal acquired in real time by the myoelectric biofeedback controller 5 to the upper computer 8 for a rehabilitation doctor to check;
and/or
The second communication unit 72 is configured to receive an electrical stimulation adjustment signal including the intensity and the frequency of the electrical stimulation signal sent by the upper computer 8 and send the electrical stimulation adjustment signal to the myoelectric biofeedback controller 5, where the myoelectric biofeedback controller 5 controls the output module to dynamically adjust the intensity and the frequency of the electrical stimulation signal released by the output electrode according to the electrical stimulation adjustment signal;
when the myoelectric biofeedback controller 5 receives the electric stimulus adjustment signal, the electric stimulus adjustment signal has the highest execution priority.
Specifically, in this embodiment, the first communication unit 71 and the second communication unit 72 may be connected to the host computer 8 by wireless communication or by wired communication. The upper computer 8 is preferably controlled by a rehabilitation practitioner who can view the surface electromyographic signals of the user in real time through the upper computer 8. Meanwhile, the rehabilitation doctor can also directly adjust the intensity and frequency of the electric stimulation signal of the user through the upper computer 8, and in the preferred embodiment of the invention, when the myoelectric biofeedback controller 5 receives the electric stimulation adjustment signal, the electric stimulation adjustment signal has the highest execution priority. In other words, when the output module 3 receives the intensity and frequency of the electrical stimulation signal dynamically adjusted by the myoelectric biofeedback controller 5 according to the surface myoelectric signal and the intensity and frequency of the electrical stimulation signal set by the rehabilitation doctor received by the myoelectric biofeedback controller 5 through the upper computer 8, the intensity and frequency of the electrical stimulation signal set by the rehabilitation doctor are based.
The upper computer 8 may be a notebook computer, an integrated machine, a desktop computer, or other computer or mobile terminal, which is not limited herein.
In the preferred embodiment of the present invention, the communication module 7 further includes a third communication unit 73, configured to perform matching binding or unbinding with the upper computer 8 that needs to communicate, so as to establish communication connection with or disconnect communication connection from the matching bound upper computer 8.
Specifically, in this embodiment, by setting the third communication unit 73, the matching binding or binding release between the automatic myoelectric stimulation device and the upper computer 8 of the present invention is achieved, so as to establish communication connection with the upper computer 8 that is matched and bound or disconnect communication connection.
It can be understood that, as shown in fig. 4, one upper computer 8 can match and bind a plurality of automated myoelectric stimulation devices at the same time, each automated myoelectric stimulation device has a corresponding unique device code, and can match and bind with the upper computer 8 based on the unique device code, so that when a rehabilitation doctor needs to issue instructions, the rehabilitation doctor can correspondingly check the surface myoelectric signals uploaded by each automated myoelectric stimulation device based on the unique device code, and respectively control each corresponding automated myoelectric stimulation device based on the unique device code, thereby meeting the requirement of a rehabilitation doctor on monitoring the application scene of the rehabilitation training process of a plurality of users through one upper computer 8, realizing how far-distance guidance is used by the rehabilitation doctor to assist the user for rehabilitation training, reducing the complexity of the rehabilitation process, improving the patient acceptance, and relieving the burden of the rehabilitation doctor.
Further, the same patient may be in butt joint with different rehabilitation doctors, and may need to establish communication connection with different upper computers 8, after the last rehabilitation training is finished, the binding can be released through the third communication unit 73, and then the communication connection with the upper computer 8 corresponding to the next rehabilitation training is established, so that the application scene requirement that the user needs to communicate with a remote rehabilitation doctor when performing the rehabilitation training at home is met.
As a preferred embodiment of the present invention, the automated myoelectric stimulation device of the present invention may be applied to a patient with upper limb dysfunction after brachial plexus injury surgery for electric stimulation rehabilitation, specifically, placing the acquisition electrode at the site of the affected side target muscle and placing the output electrode at another site of the same target muscle. The method comprises the steps that a patient tries to move an upper limb on the affected side, an acquisition electrode captures myoelectric signals on the surface of target muscles, the surface myoelectric signals are transmitted into an acquisition module, the acquisition module transmits the surface myoelectric signals into a myoelectric biofeedback controller, the myoelectric biofeedback controller analyzes the surface myoelectric signals, and when the myoelectric signal value reaches a preset reference threshold value in the myoelectric biofeedback controller, the myoelectric biofeedback controller sends a starting electric stimulation signal to an output module, and the output module starts to stimulate the target muscles through the output electrode. When the patient feels that the upper limb of the affected side is electrically stimulated, the patient can have a certain specific perception on the active movement of the upper limb of the affected side, the effect of biofeedback is achieved, and the patient can have better perception on the movement condition of the upper limb of the affected side.
When the electric stimulation is started, the myoelectricity biofeedback controller receives the stimulation intensity and frequency adjusting signals input by the upper computer at the same time, and adjusts the current intensity and frequency of the output module. During the electric stimulation gap, the collecting electrode continuously captures the surface myoelectric signal of the target muscle and transmits the surface myoelectric signal to the collecting module in real time, and when the collected surface myoelectric signal of the target muscle is close to or exceeds a fatigue threshold preset in the myoelectric biofeedback controller, the myoelectric biofeedback controller transmits a pause or weakening signal to the upper computer and the output module, and the output module degrades the intensity and frequency of the output current. The collecting electrode continuously captures the surface electromyographic signals during the period, and if the surface electromyographic signals continuously show the myofatigue performance, the output current continuously degrades or the output is stopped through the flow. In this period, the upper computer can receive the surface electromyographic signals transmitted by the acquisition module at the same time and can directly send an adjusting or stopping signal to the electromyographic biofeedback controller, and the output module directly stops outputting current when receiving the stopping signal sent by the upper computer.
Through the working mode, the automatic myoelectric stimulation device can combine the electric stimulation starting process with biofeedback, plays a role in the experience that a patient has own initiative to start the rehabilitation treatment process, monitors the target muscle state in real time during treatment, timely and dynamically adjusts the intensity and frequency of output current stimulation when a fatigue signal appears on the muscle, simultaneously can feed back the target muscle state to an upper computer and receive the manual control given by the upper computer, combines the machine intelligence and the manual adjustment, and better ensures the effect and the safety of the electric stimulation rehabilitation treatment.
As another preferred embodiment of the present invention, the automatic myoelectric stimulation device of the present invention may be implemented by matching a plurality of automatic myoelectric stimulation devices with the same host computer through a communication module, and the communication module is preferably a wireless communication module.
The upper computer can select whether the device is matched with one or more devices or not through the wireless communication module, receives and displays the surface myoelectric signals acquired and transmitted by the matched automatic myoelectric stimulation device and the analysis results of the myoelectric signals by the myoelectric biofeedback controller, can respectively realize data presentation, storage and report generation, respectively give independent current stimulation adjustment or termination instructions to the respective automatic myoelectric stimulation device, and can realize the mode that different rehabilitation parts of the same patient and a plurality of patients receive the same rehabilitation therapist to guide rehabilitation treatment simultaneously.
Through the working mode, the upper computer and each automated myoelectric stimulation device can realize the mode that the home rehabilitation of the patient receives the guidance help of therapists through remote wireless communication. And the equipment of the same upper computer can be matched and unmatched with the upper computer, so that the patient can receive the guiding assistance of different therapists and the same therapist can change the responsible patient more flexibly. The automatic myoelectric stimulation device has the functions of remote guidance, convenient operation and one-to-many, can greatly improve the working efficiency of rehabilitation therapists, saves limited rehabilitation treatment cost, reduces the burden of rehabilitation treatment of patients, improves the acceptance of patients at home, and can finally promote the rehabilitation treatment effect.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and drawings, and are intended to be included within the scope of the present invention.
Claims (10)
1. An automated myoelectricity biofeedback control method is characterized in that a myoelectricity biofeedback controller is preset, the myoelectricity biofeedback controller is connected with an acquisition electrode and an output electrode, and the automated myoelectricity biofeedback control method comprises:
step S1, placing the acquisition electrode and the output electrode at a target part of a user;
step S2, in the rehabilitation training process of a user, the myoelectricity biofeedback controller acquires the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time, and controls the output electrode to automatically start to release the electric stimulation signals when the signal value of the surface myoelectricity signals reaches a preset starting threshold value;
and step S3, in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller controls the output electrode to automatically stop releasing the electrical stimulation signal when detecting that the signal value of the surface myoelectricity signal fed back represents that the target part continuously has muscle fatigue.
2. The automated myoelectric biofeedback control method according to claim 1, wherein step S3 further includes a dynamic adjustment process including:
in the process that the output electrode starts to electrically stimulate the target part, the myoelectricity biofeedback controller judges whether the signal value of the surface myoelectricity signal fed back is not smaller than a preset fatigue threshold value:
if yes, controlling the output electrode to dynamically weaken the intensity and frequency of the electric stimulation signal;
and if not, controlling the output electrode to keep releasing the electric stimulation signal.
3. The automated myoelectric biofeedback control method according to claim 1, wherein in the step S3, the myoelectric biofeedback controller characterizes that the target portion is continuously suffering from muscle fatigue when detecting that the signal value of the surface myoelectric signal fed back is not less than a preset fatigue threshold value and is continuously for a preset period of time, so as to control the output electrode to automatically stop releasing the electrical stimulation signal.
4. The automated myoelectric biofeedback control method according to claim 1, wherein the myoelectric biofeedback controller is further in communication connection with an external host computer; in the step S2 and the step S3, further include:
the myoelectricity biofeedback controller uploads the obtained surface myoelectricity signals to the upper computer in real time for a rehabilitation doctor to check;
and/or
And receiving an electric stimulation adjusting signal which is issued by the rehabilitation doctor through the upper computer and contains the intensity and the frequency of the electric stimulation signal, so as to dynamically adjust the intensity and the frequency of the electric stimulation signal released by the output electrode according to the electric stimulation adjusting signal.
5. The automated myoelectric biofeedback control method according to claim 4, wherein the electrical stimulation adjustment signal has a highest execution priority when the electrical stimulation adjustment signal is received by the myoelectric biofeedback controller.
6. An automated myoelectric stimulation apparatus employing the automated myoelectric biofeedback control method according to any one of claims 1 to 5, the automated myoelectric stimulation apparatus comprising:
the acquisition module is connected with an acquisition electrode arranged at a target position of a user and used for acquiring surface electromyographic signals of the target position in real time through the acquisition electrode;
the output module is connected with an output electrode arranged beside the acquisition electrode;
and the myoelectricity biofeedback controller is respectively connected with the acquisition module and the output module and is used for acquiring the surface myoelectricity signals of the target part acquired by the acquisition electrode in real time in the rehabilitation training process of a user, controlling the output electrode to automatically start to release an electric stimulation signal when the signal value of the surface myoelectricity signals reaches a preset starting threshold value, and controlling the output electrode to automatically stop releasing the electric stimulation signal when the signal value of the surface myoelectricity signals, which are detected to be fed back, represents that the target part continuously has muscle fatigue in the process of the electric stimulation of the target part.
7. The automated myoelectric stimulation device according to claim 5, wherein the myoelectric biofeedback controller comprises an adjustment control unit for generating an electric stimulation adjustment signal when the signal value of the surface myoelectric signal is judged to be not less than a preset fatigue threshold value in the process that the output electrode starts to electrically stimulate the target site;
the output module controls the output electrode to dynamically weaken the intensity and the frequency of the electric stimulation signal according to the electric stimulation adjustment signal.
8. The automated myoelectric stimulation device of claim 5, wherein the myoelectric biofeedback controller includes a stop control unit for characterizing that muscle fatigue continues to occur at the target site when the signal value of the surface myoelectric signal that is detected to be fed back is not less than a preset fatigue threshold for a preset period of time, thereby controlling the output electrode to automatically stop releasing the electrical stimulation signal.
9. The automated myoelectric stimulation device of claim 5, further comprising a communication module respectively connected to the myoelectric biofeedback controller and an external host computer, the communication module comprising:
the first communication unit is used for uploading the surface electromyographic signals acquired in real time by the electromyographic biofeedback controller to the upper computer for a rehabilitation doctor to check;
and/or
The second communication unit is used for receiving an electric stimulation adjusting signal which is issued by the upper computer and contains the intensity and the frequency of the electric stimulation signal and sending the electric stimulation adjusting signal to the myoelectricity biofeedback controller, and the myoelectricity biofeedback controller controls the output module to dynamically adjust the intensity and the frequency of the electric stimulation signal released by the output electrode according to the electric stimulation adjusting signal;
when the myoelectricity biofeedback controller receives the electrical stimulation adjustment signal, the electrical stimulation adjustment signal has the highest execution priority.
10. The automated myoelectric stimulation device according to claim 9, wherein the communication module further comprises a third communication unit, configured to perform matching binding or binding release with the upper computer that needs to communicate, so as to establish communication connection with or disconnect communication connection from the upper computer that matches binding.
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| CN202311233505.8A CN117482392A (en) | 2023-09-22 | 2023-09-22 | Automatic myoelectricity biofeedback control method and myoelectricity stimulation device |
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| CN202311233505.8A CN117482392A (en) | 2023-09-22 | 2023-09-22 | Automatic myoelectricity biofeedback control method and myoelectricity stimulation device |
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