CN215938787U

CN215938787U - Wearable static tremor electronic inhibition device based on antagonistic principle

Info

Publication number: CN215938787U
Application number: CN202120099278.4U
Authority: CN
Inventors: 王志功; 吕晓迎; 王博多
Original assignee: Nanjing Sencechip Medcial Devices Co ltd; Zhengzhou Shenqiao Medical Equipment Co ltd; Nanjing Zhiying Bokang Medical Equipment Co ltd
Current assignee: Nanjing Sencechip Medcial Devices Co ltd; Zhengzhou Shenqiao Medical Equipment Co ltd; Nanjing Zhiying Bokang Medical Equipment Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-03-04
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a wearable static tremor electronic inhibition device based on an antagonistic principle, which comprises three eagle eye type electromyographic signal detection electrodes, an electromyographic signal amplification and processing unit, a functional electrical stimulation signal generation unit, a muscle functional electrical stimulation electrode pair and a sticky wrapping strip, wherein the three eagle eye type electromyographic signal detection electrodes and the muscle functional electrical stimulation electrode are fixed on the back side of the strip, and the electromyographic signal amplification and processing unit and the functional electrical stimulation signal generation unit are fixed on the front side of the strip; the eagle eye type electromyographic signal detection three-electrode is used for detecting an action potential signal of an active muscle motor which causes muscle tremor, and after the action potential signal is amplified, processed and subjected to pattern recognition, the action potential signal is sent to a functional electrical stimulation signal generation unit to generate a functional electrical stimulation signal which is applied to a muscle functional electrical stimulation electrode positioned on the surface of an antagonistic muscle to stimulate the antagonistic muscle to do limb movement opposite to the direction of the active muscle, so that the effects of counteracting the active muscle and eliminating the limb tremor are achieved.

Description

Wearable static tremor electronic inhibition device based on antagonistic principle

Technical Field

The utility model belongs to the cross field of rehabilitation medicine and electronic science, and relates to a wearable static tremor electronic inhibition device based on an antagonistic principle.

Background

One symptom of patients with Parkinson's disease is resting tremor, i.e., the hands, upper and lower limbs, and even the whole body, produce rhythmic tremor with a frequency of 4-6 Hz, which worsens when stressed, while tremor diminishes during activities such as walking and disappears when sleeping. The cause of resting tremor is mainly the imbalance of the two major transmitter systems of the nervous system, namely the acetylcholine system and the dopamine system. Tremor causes physical inconvenience, psychological burden, and a reduction in quality of life to the patient. Currently, the primary method of treating resting tremor is the use of some anti-parkinsonian drugs. However, it is generally considered that resting tremor, which is a parkinson's syndrome, is currently difficult to cure by drugs. For patients with poor drug control of tremor and severely affected quality of life, deep brain electrical stimulation, also known as brain pacemaker surgery, is generally recommended. Although most patients can control tremors for a long period of time through surgery, brain surgery is very traumatic and the number of patients available is limited.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a wearable static tremor electronic inhibition device based on the antagonistic principle, which is light, can hide and non-invasively inhibit different types of static tremor.

The technical scheme is as follows: the utility model relates to a wearable static tremor electronic inhibition device based on an antagonistic principle, which comprises: the eagle eye type myoelectric signal detection three-electrode and the muscle functional electrical stimulation electrode are respectively fixed on the reverse side of the adhesive strip and are respectively positioned on the active muscle and the antagonistic muscle after being adhered; the connecting wires of all the electrodes are exposed out of the front surface of the adhesive strip through the openings on the adhesive strip, the myoelectric signal amplifying and processing unit and the functional electrical stimulation signal generating unit are fixed on the front surface of the adhesive strip, the electrode connecting wires of the eagle eye type myoelectric signal detecting three electrodes are connected with the myoelectric signal amplifying and processing unit, the output of the myoelectric signal amplifying and processing unit is connected with the functional electrical stimulation signal generating unit, and the output end of the functional electrical stimulation signal generating unit is connected with the electrode connector of the muscle functional electrical stimulation electrode; the eagle eye type electromyographic signal detection three electrodes are used for detecting an action potential signal of an active muscle motor causing muscle tremor, and the muscle functional electrical stimulation electrodes are used for applying functional electrical stimulation pulses to the surface of the antagonistic muscle.

Preferably, the eagle eye type electromyographic signal detection three electrode comprises a first differential electrode, a second differential electrode and a middle electrode, the middle electrode is a rectangular patch electrode, a lead connecting point of the middle electrode is directly arranged in the center of the rectangular patch, a first differential electrode hole and a second differential electrode hole are formed in the rectangular patch on two sides of the lead connecting point of the middle electrode, and the middle lead connecting points of the first differential electrode and the second differential electrode are respectively exposed through the first differential electrode hole and the second differential electrode hole to be in contact with the active muscle.

Preferably, the electromyographic signal amplifying and processing unit is used for amplifying and processing the detected motor action potential signal of the active muscle. Specifically, the method comprises the following steps: the functional electrical stimulation electrode has the function of inhibiting the stimulation artifact generated by the stimulation of the functional electrical stimulation electrode on the antagonistic muscle under the stimulation of the functional electrical stimulation signal generating unit; and the second is the recognition function of the static tremor myoelectric pattern.

Preferably, the functional electrical stimulation signal generating unit generates a charge-balanced asymmetric biphasic pulse under the control of an input electromyographic signal pattern, so as to avoid the body tissue damage caused by charge accumulation of the monophasic pulse.

Preferably, the stimulation head of the muscle functional electrical stimulation electrode is contacted with the antagonistic muscle through the adhesive strip.

Has the advantages that: compared with the prior art, the wearable static tremor electronic inhibition device has the advantages of small volume, low power consumption, safe work, reliable performance, wearing, convenience for long-term use, capability of realizing the function of effectively inhibiting the static tremor, and treatment effect, economic benefit and social benefit.

Drawings

FIG. 1 is a schematic diagram of the front structure of the device of the present invention;

FIG. 2 is a schematic view of the reverse structure of the apparatus of the present invention.

Detailed Description

The utility model is further explained below with reference to the figures and the embodiments. The following description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the wearable resting tremor electronic inhibition device based on the antagonistic principle of the present invention comprises three eagle eye type electromyographic signal detection electrodes 1, an electromyographic signal amplification and processing unit 2, a functional electrical stimulation signal generation unit 3, a pair of functional electrical stimulation electrodes 4 of the child muscle, and an adhesive tape 5. The eagle eye type myoelectric signal detection three-electrode 1 and the muscle functional electrical stimulation electrode pair 4 are fixed on the back side of the adhesive strip 5, and the electrode connecting wire is exposed out through the opening fixed on the adhesive strip 5 and is connected with the myoelectric signal amplification and processing unit 2 and the functional electrical stimulation signal generation unit 3 which are fixed on the front side of the adhesive strip 5. The front face of the adhesive strip 5 is the face facing outwards, i.e. the face not in contact with the muscle; the reverse side of the adhesive strip 5 is the side facing inwards, i.e. the side in contact with the muscles; the eagle eye type electromyographic signal detection three-electrode 1 is used for detecting an action potential signal of an active muscle motor which causes muscle tremor, the electromyographic signal amplification and processing unit 2 is used for amplifying and processing the detected action potential signal of the active muscle motor, the functional electrical stimulation signal generation unit 3 is used for generating functional electrical stimulation pulses, the muscle functional electrical stimulation electrodes are used for applying the functional electrical stimulation pulses to the surface of antagonistic muscles, and the antagonistic muscles are stimulated to do limb movement opposite to the direction of the active muscles, so that the effects of counteracting the active muscles and eliminating the limb tremor are achieved. The eagle eye type electromyographic signal detection three electrodes and the muscle functional electrical stimulation electrodes are fixed on the reverse side of the inward side of the adhesive strip so as to realize the detection of electromyographic signals of the active muscles and the functional electrical stimulation of antagonistic muscles. The adhesive strip 5 is made of a textile material such as clothes, so as to ensure biocompatibility and wearable characteristics.

The three eagle eye type electromyographic signal detection electrodes 1 are composed of a first differential electrode 11, a second differential electrode 12 and a middle electrode 13, and the middle electrode 13 is composed of a rectangular flexible conductive material with two holes in the middle. The lead connection points of the first differential electrode 11 and the second differential electrode 12 penetrate through the two openings on the median electrode 13, and the lead connection point of the median electrode 13 is directly arranged at the center of the rectangular flexible conductive material. The connecting lines of the two differential electrodes are parallel to the narrow sides of the adhesive strips. The first differential electrode 11 and the second differential electrode 12 are embedded in two openings of the rectangular sheet material of the overall conductive middle electrode 13 and are used for detecting an action potential signal of active muscle motor which causes muscle tremor. This three-electrode structure has the effect of inhibiting stimulation artifacts.

The electromyographic motor action potential signal of the active muscle causing the muscle tremor detected by the eagle eye type electromyographic signal detection three-electrode 1 is transmitted into the electromyographic signal amplification and processing unit 2 to be subjected to signal processing such as amplification, filtering and pattern recognition to obtain an electromyographic signal of active muscle tremor sexual contraction, the electromyographic signal is sent to the functional electrical stimulation signal generation unit 3 to generate a charge balance biphasic electrical pulse suitable for functional electrical stimulation of antagonistic muscle, and the charge balance biphasic electrical pulse is applied to the antagonistic muscle through the first muscle functional electrical stimulation electrode 41 and the second muscle functional electrical stimulation electrode 42 to induce the antagonistic muscle to contract, so that the limb is driven to generate the action opposite to the action of the active muscle, and the tremor of the limb is inhibited or weakened.

In order to enhance the inhibition effect on resting tremor, the distance between the three eagle eye type electromyographic signal detection electrodes 1 and the functional muscle electrical stimulation electrode pair 4 is ensured to be just on the active muscle and the antagonistic muscle after wrapping the limbs.

Claims

1. A wearable resting tremor electronic suppression device based on the principle of antagonism, comprising: an eagle eye type myoelectric signal detection three-electrode (1), a myoelectric signal amplification and processing unit (2), a functional electrical stimulation signal generation unit (3), a muscle functional electrical stimulation electrode pair (4) and a sticky strip (5); the eagle eye type myoelectric signal detection three electrodes (1) and the muscle functional electrical stimulation electrode pair (4) are respectively fixed on the reverse side of the adhesive strip (5) and are respectively positioned on the active muscle and the antagonistic muscle after being adhered; the connecting wire of each electrode is exposed out of the front surface of the adhesive strip (5) through the opening on the adhesive strip (5); the myoelectric signal amplification and processing unit (2) and the functional electrical stimulation signal generation unit (3) are fixed on the front surface of the adhesive strip (5), the electrode connecting wires of the eagle eye type myoelectric signal detection three electrodes (1) are connected with the myoelectric signal amplification and processing unit (2), the output of the myoelectric signal amplification and processing unit (2) is connected with the functional electrical stimulation signal generation unit (3), and the output end of the functional electrical stimulation signal generation unit (3) is connected with the electrode connector of the muscle functional electrical stimulation electrode pair (4); the eagle eye type electromyographic signal detection three-electrode (1) is used for detecting an action potential signal of an active muscle motor causing muscle tremor, and the muscle functional electrical stimulation electrode is used for applying functional electrical stimulation pulses to the surface of an antagonistic muscle.

2. The wearable resting tremor electronic suppression device based on the antagonistic principle according to claim 1, characterized in that the eagle eye type electromyographic signal detection three-electrode (1) comprises a first differential electrode (11), a second differential electrode (12) and a neutral electrode (13); the middle electrode (13) is a rectangular patch electrode, the lead connecting point of the middle electrode is directly arranged in the center of the rectangular patch, a first differential electrode hole and a second differential electrode hole are formed in the rectangular patch on two sides of the lead connecting point of the middle electrode, and the middle lead connecting points of the first differential electrode (11) and the second differential electrode (12) are respectively penetrated out through the first differential electrode hole and the second differential electrode hole to be contacted with the active muscle.

3. A wearable resting tremor electronic inhibition device based on the antagonistic principle, according to claim 1, characterized in that the electromyographic signal amplification and processing unit (2) is used to amplify and process the detected motor action potential signal of the active muscle.

4. The wearable resting tremor electronic suppression device according to claim 1, wherein the functional electrical stimulation signal generation unit (3) generates charge-balanced asymmetric biphasic pulses under the control of the input electromyographic signal pattern.

5. The wearable resting tremor electronic suppression device based on the antagonistic principle of claim 1, wherein the stimulation head of the functional electrical stimulation electrode of the muscle (4) is in contact with the antagonistic muscle through the adhesive strip (5).