CN211024807U - Intelligent electric stimulation hand trainer with multiple trigger modes - Google Patents
Intelligent electric stimulation hand trainer with multiple trigger modes Download PDFInfo
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- CN211024807U CN211024807U CN201921328652.2U CN201921328652U CN211024807U CN 211024807 U CN211024807 U CN 211024807U CN 201921328652 U CN201921328652 U CN 201921328652U CN 211024807 U CN211024807 U CN 211024807U
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Abstract
The utility model relates to an intelligent electric stimulation hand trainer with multiple trigger modes.A four-channel electromyographic signal acquisition module is used for acquiring a plurality of groups of electric signals of a forearm superficial flexor, a flexor hallucis longus, an extensor digitorum hallucis muscle group on the healthy side of the same patient, and the electric signals are input to a host control module after being filtered and amplified; the curvature acquisition module is used for acquiring curvature information of hand grasping movement of the healthy side of the same patient and inputting the information to the host control module; the touch screen module is used for selecting a muscle group of the forearm of the affected side of the patient to be passively trained, setting corresponding stimulation parameters and inputting the parameters to the host control module; after being processed by the host control module, the electric pulse generation module is controlled to generate four-channel pulses with corresponding groups of different stimulation parameters; the four-channel electrode generating electrode acts on the forearm muscle group of the affected side of the patient to assist the affected side hand of the patient to complete the grasping action; the mobile terminal is connected with the host control module and used for storing and displaying the rehabilitation training information of the patient so as to quantify the rehabilitation training effect of the patient.
Description
Technical Field
The utility model relates to a cerebral apoplexy rehabilitation training ware specifically is an intelligence electro photoluminescence hand training ware of many trigger modes.
Background
Cerebral stroke is a condition of brain injury caused by the failure of blood to flow back due to rupture of cerebral vessels or due to vascular obstruction, and includes hemorrhagic stroke and ischemic stroke. Among the sequelae of cerebral apoplexy, hand dysfunction is one of the most common disorders of paraplegic patients after cerebral apoplexy, which seriously affects the daily activities of life of the patients and brings heavy burden to families and society of the patients.
With the accelerating aging trend of population, the hemiplegic patients increase year by year, but the rehabilitation doctors and the rehabilitation resources are very deficient. The rehabilitation therapy frequently used clinically comprises exercise therapy, operation therapy, physical factor therapy and the like, which all need to be guided and assisted by multiple professional rehabilitation doctors, and the equipment has the disadvantages of large volume, time and labor waste during wearing, inconvenient use, serious influence on the treatment efficiency, reduction in the enthusiasm of patients for participating in treatment and difficulty in meeting the requirements of users. Therefore, research and development a small in size, be convenient for dress and have man-machine interaction function's intelligent electro photoluminescence hand training ware of many trigger modes, wherein contain myoelectricity and trigger, crookedness triggers etc. and utilizes the active training of the healthy side hand training patient of patient's affected side hand and the passive training of the corresponding muscle of touch-sensitive screen trigger stimulation patient's affected side, have the significance to the recovered curative effect of stroke back hand motion.
Disclosure of Invention
The utility model discloses be exactly to prior art not enough, provide a small in size, dress convenience, the various, the strong intelligent electro photoluminescence hand training ware of many trigger modes of man-machine interaction of trigger mode.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a multi-trigger intelligent electrical stimulation hand trainer comprises a four-channel electromyographic signal acquisition module, a curvature acquisition module, a touch screen module, a host control module, an electrical pulse generation module, a four-channel electrode and a mobile terminal, wherein the four-channel electromyographic signal acquisition module, the curvature acquisition module, the touch screen module, the electrical pulse generation module and the mobile terminal are all connected with the host control module, and the four-channel electrode is connected with the electrical pulse generation module;
the four-channel electromyographic signal acquisition module is used for acquiring a plurality of groups of electric signals of healthy forearm superficial flexor digitorum, flexor longus, extensor digitorum and extensor brevis digitorum of the same patient, filtering and amplifying the electric signals and inputting the electric signals to the host control module;
the curvature acquisition module is used for acquiring curvature information of the grabbing motion of the index finger, the middle finger and the ring finger of the side-care hand of the same patient, converting the curvature information into resistance value change and inputting the resistance value change to the host computer control module;
the touch screen module is used for selecting a muscle group of the affected forearm of the patient to be passively trained, and setting corresponding stimulation parameters: the amplitude, the frequency and the time are input to a host control module;
the main machine control module is used for receiving and processing the collected electromyographic signals, the curvature information and the touch screen information, and controlling the electric pulse generation module to generate four-channel pulses of corresponding groups of different stimulation parameters in amplitude, frequency and pulse width;
the electric pulse generation module is used for receiving an instruction of the host control module, generating a corresponding group of four-channel electric stimulation pulses with different frequencies and different intensities and inputting the four-channel pulses to the four-channel electrodes;
the four-channel electrode is used for receiving the instruction of the electric pulse generation module, generating an electrode to act on the forearm muscle group of the affected side of the patient and assisting the hand of the affected side of the patient to complete the grasping action;
the mobile terminal is connected with the host control module, comprises a Bluetooth communication module and a human-friendly interface and is used for storing and displaying the rehabilitation training information of the patient so as to quantify the rehabilitation training effect of the patient.
Furthermore, the four-channel electromyographic signal acquisition module comprises an electromyographic acquisition unit, a signal amplifier and a filter, and is used for carrying out filtering amplification pretreatment on the real-time acquired electromyographic signals.
Further, the bending acquisition module comprises a bending glove with bending sensors attached to the index finger, the middle finger and the ring finger and a bending-resistance conversion circuit, and is used for acquiring bending information of the hand in real time.
Further, the touch screen module can be used for selecting a trigger mode, setting, displaying, inquiring relevant parameters and starting or stopping the trainer in the corresponding trigger mode.
Furthermore, the electric pulse generation module adopts a booster circuit and a bipolar conversion circuit, and the pulse amplitude and frequency are controlled and adjusted by the myoelectric signal/curvature information/touch screen information collected in real time.
Furthermore, the four-channel electrode acts on the superficial flexor forearm, the flexor hallucis longus, the extensor digitorum longus and the extensor hallucis brevis of the patient on the affected side to assist the patient in completing the flexion/extension action of the hand.
Compared with the prior art, the utility model, the beneficial effect who has is:
the utility model discloses can select the flesh electricity to trigger through the touch-sensitive screen, initiative training methods such as crookedness triggers, gather the healthy side forearm flesh electrical signal of patient/crookedness information in real time, the storage through host computer control module is handled, control electric pulse generation module produces the multichannel electric pulse, the output of adjustment multichannel electric pulse amplitude and frequency to according to flesh electrical signal intensity/crookedness dynamic adjustment multichannel electrode production dynamic electro photoluminescence, imitate the action electric potential/crookedness information of the healthy side of human body, the level and smooth and stable of standard action. In addition, the touch screen is designed to trigger the passive training mode by fully considering that the motion of any joint needs the participation of a plurality of groups of muscle groups, and the electric stimulation is controlled to stimulate the four groups of muscle groups to assist the patient to complete the flexion/extension action of the hand, so that the patient participates in the treatment process of the disease under positive and positive psychological states, the enthusiasm and the interactivity of the patient are enhanced, and the aim of rehabilitation training of the hand muscle dysfunction is fulfilled. And simultaneously, the utility model discloses accord with current medical instrument to the trend of intellectuality and miniaturized development, be applicable to family's medical care, have wide application prospect.
Drawings
Fig. 1 is a block diagram of a module and a flow of a multi-trigger intelligent electric stimulation hand trainer of the present invention;
fig. 2 is a block diagram of the myoelectric trigger module of the present invention.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1 and 2, the multi-trigger intelligent electrical stimulation hand trainer comprises a four-channel electromyogram signal acquisition module, a curvature acquisition module, a touch screen module, a host control module, an electrical pulse generation module, four-channel electrodes and a mobile terminal.
The four-channel electromyogram signal acquisition module, the curvature acquisition module, the touch screen module, the electric pulse generation module and the mobile terminal are all connected with the host control module, and the four-channel electrode is connected with the electric pulse generation module; the four-channel electromyographic signal acquisition module is used for acquiring a plurality of groups of electric signals of healthy forearm superficial flexor digitorum, flexor longus, extensor digitorum and extensor brevis digitorum muscle of the same patient, filtering and amplifying the electric signals and inputting the electric signals to the host control module; the curvature acquisition module is used for acquiring curvature information of the gripping motion of the healthy side hands (index finger, middle finger and ring finger) of the same patient and inputting the information to the host control module; the touch screen module is used for selecting a muscle group of the forearm of the affected side of the patient to be passively trained, setting corresponding stimulation parameters (amplitude, frequency and time) and inputting the parameters to the host control module; the main machine control module is used for receiving and processing the collected electromyographic signals/bending information/touch screen information and controlling the electric pulse generation module to generate four-channel pulses with corresponding groups of different stimulation parameters (amplitude, frequency and pulse width); the electric pulse generation module is used for receiving an instruction of the host control module, generating corresponding groups of four-channel electric stimulation pulses with different frequencies and different intensities and inputting the four-channel pulses to the four-channel electrodes; the four-channel electrode is used for receiving the instruction of the electric pulse generation module, and the generation electrode acts on the forearm muscle group of the affected side of the patient to assist the hand of the affected side of the patient to complete the grasping action.
The mobile terminal specifically indicates a cell-phone APP, with the host control module is connected, contains bluetooth communication module and humanized interface for the rehabilitation training effect of storage and demonstration patient's rehabilitation training information in order to quantify patient.
The four-channel electromyographic signal acquisition module comprises an electromyographic acquisition device, a signal amplifier and a filter, and is used for carrying out preprocessing such as filtering and amplifying on the real-time acquired electromyographic signals to obtain the electromyographic signals with high signal-to-noise ratio, so that the electromyographic signals can be conveniently processed by the host control module.
The curvature acquisition module comprises a curved glove with curvature sensors attached to the index finger, the middle finger and the ring finger and a curvature-resistance conversion circuit, and is used for acquiring the curvatures of the index finger, the middle finger and the ring finger of the hand in real time, converting the curvatures into resistance changes and facilitating the processing of the host control module.
The touch screen module can also be used for selecting a trigger mode, setting, displaying, inquiring related parameters and starting or stopping the trainer in the corresponding trigger mode.
The electric pulse generation module adopts a booster circuit and a bipolar conversion circuit, and the pulse frequency, the pulse width and the amplitude can be adjusted according to the requirements.
The four-channel electrode acts on the superficial flexor forearm, flexor hallucis longus, extensor digitorum longus and extensor hallucis brevis of the patient on the affected side to assist the patient in completing the flexion/extension action of the hand.
A training method of an intelligent electrical stimulation hand trainer adopting a multi-trigger mode comprises the following steps:
s1 selecting a triggering mode on the touch screen, wherein the triggering mode comprises myoelectric triggering, bending triggering and touch screen triggering;
the first myoelectric triggering mode:
s21, collecting myoelectric signals of a forearm superficial flexor digitorum, a flexor longus, an extensor digitorum longus and an extensor brevis digitorum of the same patient at the same time, and carrying out preprocessing such as filtering and amplification to obtain a plurality of groups of four-muscle group myoelectric signal data U21;
s22, the data U21 in the step S21 are transmitted to a host control module, and the host control module stores, extracts, analyzes and identifies the features of the data U21 in the step S21 to obtain a plurality of groups of electromyographic signal feature values U22;
s23, matching the electromyographic signal characteristic value U22 with the parameters of the electric pulse generator to obtain the parameter matching of the opening threshold of the corresponding group of electric pulse generators;
s24, performing electrical stimulation on the forearm of the affected side of the patient by using the four-channel electrode according to the parameter proportion of the opening threshold of the electric pulse generator;
s25 stimulating the patient' S affected forearm flexor digitorum superficialis, flexor hallucis longus, extensor digitorum longus and extensor hallucis brevis muscle group according to the four-channel electrode to assist the patient to complete the gripping action of hand flexion/extension;
the second curvature triggering mode:
s31, wearing the bent gloves on the healthy side hands of the patient at the same time to perform hand flexion/extension movement, and collecting bending information U31 of the index finger, the middle finger and the ring finger of the hand;
s32, converting the bending information U31 in the step S31 into resistance data U32, transmitting the resistance data U32 to the host control module, and storing and processing the data U32 in the step S32 by the host control module to obtain a plurality of groups of bending parameter values U33;
s33, matching the bending parameter value U33 with the parameters of the electric pulse generator to obtain the starting threshold parameter matching of the corresponding group of electric pulse generators;
s34, performing electrical stimulation on the forearm of the affected side of the patient by using the four-channel electrode according to the parameter proportion of the opening threshold of the electric pulse generator;
s35 according to the four-channel electrode, stimulate the patient' S affected forearm flexor digitorum superficialis, flexor hallucis longus, extensor digitorum, extensor hallucis brevis muscle group, to assist the patient to complete the hand flexion/extension grasping action.
The third touch screen triggering mode is as follows:
s41, triggering and selecting four channels on the touch screen according to the requirements of a patient, wherein the four channels respectively represent a superficial flexor digitorum, a flexor longus, an extensor digitorum longus and an extensor hallucis brevis muscle group;
s42 configuring each channel electrical pulse generator parameter according to the selected channel electrode: amplitude and frequency, and stimulates the corresponding muscle group of the forearm of the affected side of the patient to assist the patient in completing the gripping action of hand flexion/extension.
Example (b):
the intelligent electro-stimulation hand training ware of many trigger modes of this embodiment includes: touch-sensitive screen module, healthy side electrode, sick side electrode, four-channel flesh electrical signal collection module, host computer control module, electric pulse generation module and mobile terminal, wherein: the touch screen module selects a myoelectricity triggering mode, the four-channel myoelectricity acquisition module acquires an electric signal generated by the healthy forearm muscle of the patient following hand grasping movement in real time through the healthy side electrode and transmits the electric signal to the host control module for processing analysis and pattern recognition to obtain a characteristic parameter and a characteristic value of electric stimulation, the host control module establishes a corresponding relation between the healthy forearm myoelectricity signal of the patient and the electric stimulation of the affected forearm, the electric pulse generation module carries out electric stimulation on the muscle of the affected forearm of the patient through the affected electrode based on the corresponding relation to enable the muscle to complete the hand grasping movement same as the healthy side, and meanwhile, rehabilitation training information of the patient is stored and displayed on the mobile terminal.
And the touch screen module is used for selecting a trigger mode, setting, displaying, inquiring related parameters and starting or stopping the trainer in the corresponding trigger mode. The healthy side electrode and the affected side electrode are respectively attached to the superficial flexor digitorum, the flexor hallucis longus, the extensor digitorum and the extensor hallucis brevis of the forearm of the patient.
The four-channel electromyographic signal acquisition module comprises an electromyographic acquisition device, a signal amplifier and a filter, and is used for acquiring and processing a plurality of groups of electric signals of the forearm superficial flexor and the hallux longus on the healthy side of the same patient, carrying out pretreatment such as filtering amplification on the electric signals to obtain an electromyographic signal with a high signal-to-noise ratio, and inputting the electromyographic signal to the main machine control module;
the electrical signals mainly refer to surface electromyographic signals; the filtering frequency interval of the surface electromyographic signals is 30-600 Hz; the amplification factor of the amplitude of the surface electromyogram signal is 1500-2500 times.
The host control module includes: consecutive receiving memory module, signal processing module, pattern recognition module and electric pulse trigger module, wherein: the receiving and storing unit receives and stores the electric signals output by the four-channel myoelectricity acquisition module and transmits the electric signals to the signal processing module; the signal processing module processes the surface electromyogram signals in real time to form electromyogram amplitude mapping control and electromyogram threshold judgment, periodically divides the electrical signals by using a smooth moving window, extracts characteristic parameters of the surface electromyogram signals in each period to obtain specific parameters controlled by electrical stimulation pulses, and transmits the parameters to the pattern recognition module; the pattern recognition module extracts the characteristic value of the movement electric signal, establishes the corresponding relation between the healthy forearm electromyographic signal of the patient and the affected forearm electric stimulation, and transmits the result to the electric pulse triggering module; the electric pulse triggering module transmits the corresponding control instruction to the electric pulse generating module.
Characteristic parameters include, but are not limited to: average absolute value, signal duration, average absolute value slope, wavelength, and number of zero crossings.
The electric pulse generation module adopts a booster circuit and a bipolar conversion circuit, the pulse amplitude and frequency are controlled and adjusted by electromyographic signals/curvature information/touch screen information collected in real time, four-channel electric stimulation pulses with corresponding groups of different frequencies and different intensities are generated, and the four-channel pulses are input to the four-channel electrodes;
the four-channel electrode is used for receiving the instruction of the electric pulse generation module to generate electrodes to act on the muscle groups of the superficial flexor of forearm, flexor hallucis longus, extensor digitorum and extensor hallucis brevis of the affected side of the patient, and the rehabilitation theory proves that the stimulation of the four muscle groups can assist the affected side of the patient to complete the grasping movement.
For the convenience of the supervision of hospital platform to patient's recovered effect to the butt joint, this training ware still includes mobile terminal, mobile terminal pass through wireless bluetooth module with host control module connects, specifically indicates a section cell-phone APP, quantifies patient's recovered training information, embodies patient's recovered training effect directly perceived.
When rehabilitation training is carried out and corresponding grasping movement is carried out on the healthy side hand of the patient, the four-channel myoelectric acquisition module acquires myoelectric signals of the surface of the muscle of the healthy side forearm of the patient in real time and transmits the signals to the host control module; the main machine control module extracts corresponding characteristic parameters and characteristic values according to the collected surface electromyographic signals, identifies the flexion/extension mode of the healthy forearm muscle of the patient and establishes the corresponding relation between the healthy forearm muscle and the affected forearm electrical stimulation; the electric pulse generation module performs corresponding low-frequency electric stimulation on forearm muscles of the affected side of the patient based on the corresponding relation, assists the affected side to complete the same hand grasping movement as the healthy side, and completes one cycle.
The signal processing module and the pattern recognition module can accurately recognize the muscle force application time in real time, and can give feedback stimulation in real time according to the corresponding flexion/extension mode, so that a patient is not limited by a fixed program, the degree of freedom is higher, and the motion function of effectively rehabilitating hands is facilitated.
The embodiment controls the hand of the affected side of the patient to carry out synchronous grasping movement by acquiring myoelectric signals when the healthy side of the forearm of the patient carries out the grasping movement of the hand. Let the patient can not only realize the hand training of affected side, can also realize a neotype intention control function through the strength of healthy side arm flesh electrical signal spontaneous control electro photoluminescence amplitude, produce positive influence to patient's psychology, be favorable to utilizing healthy side forearm's flesh electrical signal to trigger the electro photoluminescence signal of affected side under the state that patient's body and mind relaxed.
This embodiment carries out rehabilitation training with functional electrical stimulation cooperation biofeedback, be different from ordinary low frequency current signal's amazing method, but carry out real-time feedback with human surface electromyography signal itself, the patient carries out the self-control through learning control, thereby make autonomic nervous excitability reduce, make to form positive feedback between human nerve and the muscle, thereby make muscle shrink, the strength strengthens, and through patient's active control training process, produce positive psychological effect, do benefit to and mobilize patient's enthusiasm, also do benefit to hand rehabilitation training and obtain better curative effect.
The above embodiments only represent the embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides an intelligence electro photoluminescence hand training ware of many trigger modes, includes four-channel flesh electrical signal collection module, crookedness collection module, touch-sensitive screen module, host computer control module, electric pulse generation module, four-channel electrode, mobile terminal, its characterized in that: the four-channel electromyogram signal acquisition module, the curvature acquisition module, the touch screen module, the electric pulse generation module and the mobile terminal are all connected with the host control module, and the four-channel electrode is connected with the electric pulse generation module;
the four-channel electromyographic signal acquisition module is used for acquiring a plurality of groups of electric signals of healthy forearm superficial flexor digitorum, flexor longus, extensor digitorum and extensor brevis digitorum of the same patient, filtering and amplifying the electric signals and inputting the electric signals to the host control module;
the curvature acquisition module is used for acquiring curvature information of the grabbing motion of the index finger, the middle finger and the ring finger of the side-care hand of the same patient, converting the curvature information into resistance value change and inputting the resistance value change to the host computer control module;
the touch screen module is used for selecting a muscle group of the affected forearm of the patient to be passively trained, and setting corresponding stimulation parameters: the amplitude, the frequency and the time are input to a host control module;
the main machine control module is used for receiving and processing the collected electromyographic signals, the curvature information and the touch screen information, and controlling the electric pulse generation module to generate four-channel pulses of corresponding groups of different stimulation parameters in amplitude, frequency and pulse width;
the electric pulse generation module is used for receiving an instruction of the host control module, generating a corresponding group of four-channel electric stimulation pulses with different frequencies and different intensities and inputting the four-channel pulses to the four-channel electrodes;
the four-channel electrode is used for receiving the instruction of the electric pulse generation module, generating an electrode to act on the forearm muscle group of the affected side of the patient and assisting the hand of the affected side of the patient to complete the grasping action;
the mobile terminal is connected with the host control module, comprises a Bluetooth communication module and a human-friendly interface and is used for storing and displaying the rehabilitation training information of the patient so as to quantify the rehabilitation training effect of the patient.
2. The multi-trigger intelligent electrostimulation hand trainer according to claim 1, characterized in that: the four-channel electromyographic signal acquisition module comprises an electromyographic acquisition unit, a signal amplifier and a filter and is used for carrying out filtering amplification pretreatment on the real-time acquired electromyographic signals.
3. The multi-trigger intelligent electrostimulation hand trainer according to claim 1, characterized in that: the curvature acquisition module comprises a curved glove with curvature sensors attached to the index finger, the middle finger and the ring finger and a curvature-resistance conversion circuit, and is used for acquiring curvature information of the hand in real time.
4. The multi-trigger intelligent electrostimulation hand trainer according to claim 1, characterized in that: the touch screen module can also be used for selecting a trigger mode, setting, displaying, inquiring related parameters and starting or stopping the trainer in the corresponding trigger mode.
5. The multi-trigger intelligent electrostimulation hand trainer according to claim 1, characterized in that: the electric pulse generation module adopts a booster circuit and a bipolar conversion circuit, and the pulse amplitude and frequency are controlled and adjusted by the electromyographic signals/curvature information/touch screen information collected in real time.
6. The multi-trigger intelligent electrostimulation hand trainer according to claim 1, characterized in that: the four-channel electrode acts on the superficial flexor forearm, the flexor hallucis longus, the extensor digitorum longus and the extensor hallucis brevis of the affected side of the patient to assist the patient in completing the flexion/extension action of the hand.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494276A (en) * | 2020-11-19 | 2021-03-16 | 上海理工大学 | Hand rehabilitation robot system |
| CN113456449A (en) * | 2021-08-18 | 2021-10-01 | 南京仙能医疗科技有限公司 | Warm low-frequency intelligent massage device and method thereof |
-
2019
- 2019-08-15 CN CN201921328652.2U patent/CN211024807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494276A (en) * | 2020-11-19 | 2021-03-16 | 上海理工大学 | Hand rehabilitation robot system |
| CN113456449A (en) * | 2021-08-18 | 2021-10-01 | 南京仙能医疗科技有限公司 | Warm low-frequency intelligent massage device and method thereof |
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