CN219558485U

CN219558485U - Portable electric stimulation device

Info

Publication number: CN219558485U
Application number: CN202320339706.5U
Authority: CN
Inventors: 周强; ***; 贾利浦; 薛文军; 郑道; 任新平; 贾明旭
Original assignee: Henan Youde Medical Equipment Co Ltd
Current assignee: Henan Youde Medical Equipment Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-22
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to a portable electric stimulation device, which comprises electrodes, wherein the electrodes are in a spherical structure, the electrodes are provided with supporting rods, the supporting rods are in a Y-shaped structure made of elastic materials, the number of the electrodes is two, the two electrodes are respectively fixed with the end parts of the supporting rods, the tail parts of the supporting rods are provided with handles, an electric control module is arranged in each handle, the supporting rods are fixedly connected with the handles in an inserting mode, each electric control module comprises an MCU chip, an electric stimulation output module, a key circuit, an intensity detection module and a display unit, the input end of the MCU chip is connected with the key circuit, the output end of the MCU chip is electrically connected with the electric stimulation output module, and the electric stimulation output module is electrically connected with the electrodes. The spherical electrode is adopted, compared with the electrode plate, the contact area is small, the support rod is arranged to facilitate the electrode arrangement, compared with the electrode plate, the precise stimulation is realized, and the handle is arranged for gear adjustment of the electrode, so that the operation is convenient.

Description

Portable electric stimulation device

Technical Field

The utility model relates to the field of electrical stimulation medical equipment, in particular to a portable electrical stimulation device.

Background

Clinically, some diseases and operations can cause injury to nerve muscles of a human body, and imperfect muscle functions, such as damage to muscle functions caused by cerebral apoplexy, and limb movement disorder. Patients with limb disorder cannot finish coarse and fine movements due to dyskinesia, the self-care ability of the later-stage daily life of the patients is seriously affected, and the quality of life of the patients is determined by the recovery degree of paralyzed muscle functions and muscle strength. There are various treatments for muscle dysfunction, and electrical stimulation is a safe and noninvasive common treatment. The device is smart and convenient, and can be used by patients at home. Simultaneously combines with the acupoint treatment of traditional Chinese medicine to generate functional treatment and improve the limb function of patients.

The existing electric stimulation rehabilitation therapy equipment is mainly of two types, namely electrode slice therapy equipment and electric needle therapy equipment. The contact area of the electrode plate is relatively large, accurate stimulation is difficult to achieve, and the electrode plate is inconvenient to paste and cannot be accurately positioned particularly for the treatment of hand small muscle groups. Although the accurate positioning of stimulation can be realized in the electric needle treatment, the electrode needle is invasive treatment, cross infection is avoided in the treatment, and the stimulation position is inconvenient to replace in the electric needle treatment process. In order to solve the problems of clinical use, an electric stimulation device which can accurately stimulate and is convenient to use is needed for the treatment of patients.

Disclosure of Invention

The utility model provides a portable electric stimulation device for solving the problem that the conventional electric stimulation equipment is inflexible to use, wherein a spherical electrode is adopted to have a small contact area compared with an electrode plate, a supporting rod is arranged to facilitate electrode arrangement, accurate stimulation is realized compared with the electrode plate, and a handle is arranged for gear adjustment of the electrode, so that the portable electric stimulation device is convenient to operate.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the portable electric stimulation device comprises electrodes, wherein the electrodes are in a spherical structure, the electrodes are provided with supporting rods, the supporting rods are of Y-shaped structures made of elastic materials, the number of the electrodes is two, the two electrodes are respectively fixed with the end parts of the supporting rods, the tail parts of the supporting rods are provided with handles, an electric control module is arranged in each handle, and the supporting rods are fixedly connected with the handles in an inserting mode;

the electric control module comprises an MCU chip, an electric stimulation output module, a key circuit, an intensity detection module and a display unit, wherein the input end of the MCU chip is connected with the key circuit, the output end of the MCU chip is electrically connected with the electric stimulation output module, and the electric stimulation output module is electrically connected with the electrode;

the display unit comprises an LED display screen, the key circuit comprises a plurality of keys and rotary buttons, and through holes are formed in the rotary buttons, the display unit and the plurality of key handles.

The electrode adopts spherical structure to compare in its area of contact of electrode slice is little, can realize accurate stimulation to after the connection bracing piece, two electrodes can act on different positions respectively, and the bracing piece has certain length and flexibility for Y font structure that elastic material was made, and the electrode of being convenient for acts on the treatment position. The support rod is inserted into the handle, so that the support rod is convenient to detach and replace.

Further, the handle comprises a front cover and a rear cover, the front cover and the rear cover are concave direction plate bodies, the opening directions of the front cover and the rear cover are opposite, square notches are formed in the upper ends of the front cover and the rear cover in opposite directions, the front cover and the rear cover are buckled and fixed, the front cover is provided with the through hole, and the through hole comprises one or a combination of a plurality of circular holes, square holes and strip-shaped holes;

the bottom of the rear cover is provided with a battery mounting groove.

The handle is divided into a front cover and a rear cover, so that the handle is convenient to open and maintain.

Further, the electric control module further comprises a PCB, the MCU chip, the electric stimulation output module, the key circuit, the strength detection module and the display unit are electrically connected and fixed with the PCB, a square connector is arranged at the upper end of the PCB, the square connector is electrically connected and fixed with the PCB, and square notches are formed in the upper ends of the square connector penetrating out of the front cover and the rear cover in opposite directions;

the inside of bracing piece is provided with the wire, and the afterbody of bracing piece is provided with the pencil, the pencil is pegged graft fixedly with square joint.

The handle is similar to a structure of a television remote controller, and the PCB enables internal electric elements to be regularly arranged, so that the maintenance is convenient.

Further, the PCB is a square plate, and the PCB and the front cover are fixed through screws.

Further, a power supply is arranged in the battery mounting groove, the power supply comprises a direct current power supply, a grounding wire is arranged in the mounting hole, and the grounding wire is electrically connected and fixed with the PCB;

the outside of mounting hole is provided with the closing cap, closing cap and back lid lock are connected.

And a dry battery is adopted as a power supply, so that the use is convenient.

Further, the electric stimulation output module comprises a triode driving circuit and a transformer, the triode driving circuit comprises a first triode and a second triode, the emitter of the first triode is connected with the primary side of the transformer, the collector of the second triode is connected with the primary side of the transformer, the bases of the first triode and the second triode are connected with the output end of the MCU chip, and the secondary sides of the transformers are respectively connected with two electrodes.

The MCU chip enables the primary side of the transformer to be connected with a power supply by conducting the triode, the secondary side of the transformer generates voltage to be led into the action position of a human body through the electrode, the circuit structure is simple, and a hardware basis is provided for gear control.

Further, the rotary button comprises a potentiometer, the intensity detection module comprises an operational amplifier, the same-direction end of the operational amplifier is connected with the output end of the potentiometer, the opposite-direction end of the operational amplifier is connected with the output end, and the output end of the operational amplifier is connected with the input end of the MCU chip.

And adjusting the gear of the potentiometer, wherein the voltage intensity output by the potentiometer is changed, and the voltage intensity is further input to the MCU chip through the operational amplifier.

Further, the LED display screen is in communication connection with the MCU chip through a UART serial port.

Further, the number of the keys is 4, and the output ends of the 4 keys are connected with the input end of the MCU chip.

The key is arranged as an instruction input device, so that the cost is low and the operation is convenient.

Through the technical scheme, the utility model has the beneficial effects that:

the utility model has the advantages of accurate stimulation and convenient use. The electrode is arranged, the motor is of a spherical structure, the electrode is provided with a supporting rod, the supporting rod is of a Y-shaped structure made of elastic materials, the number of the electrodes is two, the electrodes are respectively fixed with the end parts of the supporting rod, the tail part of the supporting rod is provided with a handle, an electric control module is arranged in the handle, and the supporting rod is fixedly connected with the handle in an inserting mode. Compared with the electrode slice, the spherical electrode has smaller contact area, thereby realizing accurate stimulation, meanwhile, the spherical electrode does not need invasive therapy, and the position adjustment is convenient and the use is convenient.

The two electrodes are arranged, so that the electrodes can act on different positions, and the treatment efficiency is improved by combining the electric control module.

The Y-shaped structure made of elastic materials has a certain length and flexibility, and the electrode can act on the treatment position conveniently.

Drawings

FIG. 1 is a schematic view of a portable electrical stimulation device according to the present utility model;

fig. 2 is an electrical schematic diagram of a portable electrical stimulation device of the present utility model.

The reference numerals in the drawings are: the device comprises an electrode 1, a supporting rod 2, an MCU chip 3, an electric stimulation output module 4, an intensity detection module 5, a display unit 6, a front cover 7, a rear cover 8, a battery mounting groove 9, a PCB 10, a square connector 11, a transformer 12, a potentiometer 13 and a key 14.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

example 1

As shown in fig. 1-2, a portable electric stimulation device comprises an electrode 1, wherein the electrode 1 is in a spherical structure, the electrode 1 is provided with a support rod 2, the support rod 2 is in a Y-shaped structure made of elastic materials, the number of the electrode 1 is two, the two electrodes 1 are respectively fixed with the end parts of the support rod 2, the tail part of the support rod 2 is provided with a handle, an electric control module is arranged in the handle, and the support rod 2 is fixedly connected with the handle in an inserting way;

the electric control module comprises an MCU chip 3, an electric stimulation output module 4, a key circuit, an intensity detection module 5 and a display unit 6, wherein the input end of the MCU chip 3 is connected with the key circuit, the output end of the MCU chip 3 is electrically connected with the electric stimulation output module 4, and the electric stimulation output module 4 is electrically connected with the electrode 1;

the display unit 6 comprises an LED display screen, the key circuit comprises a plurality of keys 14 and a rotary button, and through holes are formed in handles corresponding to the rotary button, the display unit 6 and the keys 14.

Preferably, the electric stimulation output module 4 includes a triode driving circuit and a transformer 12, the triode driving circuit includes a first triode and a second triode, an emitter of the first triode is connected with a primary side of the transformer 12, a collector 1 of the second triode is connected with a primary side of the transformer 12, bases of the first triode and the second triode are connected with an output end of the MCU chip 3, and secondary sides of the transformer 12 are respectively connected with two electrodes 1.

Preferably, the rotary button comprises a potentiometer 13, the intensity detection module 5 comprises an operational amplifier, the same-direction end of the operational amplifier is connected with the output end of the potentiometer 13, the opposite-direction end of the operational amplifier is connected with the output end, and the output end of the operational amplifier is connected with the input end of the MCU chip 3.

Preferably, the LED display screen is in communication connection with the MCU chip 3 through a UART serial port.

Preferably, the number of the keys 14 is 4, and the output ends of the 4 keys 14 are connected with the input end of the MCU chip 3.

In the embodiment, the MCU chip 3 is an STM32 type singlechip, the operational amplifier is an LM324 chip, the first triode and the second triode are both s8050 type triodes, and the marks of the keys 14 in the figure are K1-K4.

During operation, the potentiometer 13 is rotated, the output voltage of the potentiometer 13 is increased, the input signal of the potentiometer 13 is transmitted to the MCU chip 3 through the operational amplifier, the MCU chip 3 controls the first triode and the second triode of the electric stimulation output module 4 to be conducted, the primary side of the transformer 12 is connected with a power supply, and the voltage generated on the secondary side is transmitted to the electrode 1 through a lead. The position of the electrode 1 can be adjusted to enable the electrode 1 to act with the human body to complete the electric stimulation treatment.

Example 2

In order to facilitate the use of the device, as shown in fig. 1, preferably, the handle includes a front cover 7 and a rear cover 8, the front cover 7 and the rear cover 8 are concave direction plate bodies, the opening directions of the front cover 7 and the rear cover 8 are opposite, square notches are formed in the upper ends of the front cover 7 and the rear cover 8 in opposite directions, the front cover 7 and the rear cover 8 are fastened and fixed, the front cover 7 is provided with the through hole, and the through hole includes one or more combinations of a circular hole, a square hole and a strip hole;

the bottom of the rear cover 8 is provided with a battery mounting groove 9.

Four round holes are formed in the front cover 7 of the K1-K4 of the comparison key 14, a round hole is formed in the middle of the front cover 7 corresponding to the potentiometer 13, and a strip-shaped hole is formed in the upper end, close to the potentiometer 13, of the comparison LED display screen.

Preferably, the PCB 10 is a square plate, and the PCB 10 and the front cover 7 are fixed by screws.

Preferably, the electronic control module further comprises a PCB 10, the MCU chip 3, the electrical stimulation output module 4, the key circuit, the intensity detection module 5 and the display unit 6 are electrically connected and fixed with the PCB 10, a square connector 11 is disposed at the upper end of the PCB 10, the square connector 11 is electrically connected and fixed with the PCB 10, and square recesses are formed in the opposite directions of the square connector 11 penetrating out of the upper ends of the front cover 7 and the rear cover 8;

the inside of bracing piece 2 is provided with the wire, and the afterbody of bracing piece 2 is provided with the pencil, the pencil is pegged graft fixedly with square joint 11.

Example 3

In this embodiment, the power supply is optimized by combining the above embodiments, the battery mounting groove 9 is provided with a power supply, the power supply includes a dc power supply, the mounting hole is provided with an electrical conductor, and the electrical conductor is electrically connected and fixed with the PCB board 10;

the outside of mounting hole is provided with the closing cap, closing cap and back lid 8 lock are connected.

The power adopts No. 5 or No. 7 dry cell, is provided with the battery standing groove in the mounting hole, and the negative pole position sets up the spring, and the positive pole position sets up the arch that electrically conductive material made, and the conducting strip that negative pole position and positive pole position set up is connected and is fixed with the PCB board.

The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.

Claims

1. The portable electric stimulation device comprises electrodes (1), and is characterized in that the electrodes (1) are of a spherical structure, the electrodes (1) are provided with support rods (2), the support rods (2) are of Y-shaped structures made of elastic materials, the number of the electrodes (1) is two, the two electrodes (1) are respectively fixed with the end parts of the support rods (2), the tail parts of the support rods (2) are provided with handles, an electric control module is arranged in each handle, and the support rods (2) are fixedly connected with the handles in an inserting mode;

the electric control module comprises an MCU chip (3), an electric stimulation output module (4), a key circuit, an intensity detection module (5) and a display unit (6), wherein the input end of the MCU chip (3) is connected with the key circuit, the output end of the MCU chip (3) is electrically connected with the electric stimulation output module (4), and the electric stimulation output module (4) is electrically connected with the electrode (1);

the display unit (6) comprises an LED display screen, the key circuit comprises a plurality of keys (14) and a rotary button, and through holes are formed in handles corresponding to the rotary button, the display unit (6) and the keys (14).

2. The portable electric stimulation device according to claim 1, wherein the handle comprises a front cover (7) and a rear cover (8), the front cover (7) and the rear cover (8) are concave direction plate bodies, the opening directions of the front cover (7) and the rear cover (8) are opposite, square notches are formed in the upper ends of the front cover (7) and the rear cover (8) in opposite directions, the front cover (7) and the rear cover (8) are fastened and fixed, the front cover (7) is provided with the through hole, and the through hole comprises one or a plurality of combinations of round holes, square holes and long-shaped holes;

the bottom of the rear cover (8) is provided with a battery mounting groove (9).

3. The portable electric stimulation device according to claim 2, wherein the electric control module further comprises a PCB (10), the MCU chip (3), the electric stimulation output module (4), the key circuit, the strength detection module (5) and the display unit (6) are electrically connected and fixed with the PCB (10), a square connector (11) is arranged at the upper end of the PCB (10), the square connector (11) is electrically connected and fixed with the PCB (10), and square notches are formed in opposite directions at the upper ends of the front cover (7) and the rear cover (8) in a penetrating manner of the square connector (11);

the inside of bracing piece (2) is provided with the wire, and the afterbody of bracing piece (2) is provided with the pencil, pencil and square joint (11) are pegged graft fixedly.

4. A portable electro-stimulation device as in claim 3 characterized in that the PCB board (10) is a square board, the PCB board (10) and the front cover (7) being screwed.

5. A portable electro-stimulation device as in claim 3 characterized in that the battery mounting slot (9) is provided with a power source comprising a dc power source, the mounting hole is provided with an electrical conductor which is electrically connected and fixed with the PCB board (10);

the outside of mounting hole is provided with the closing cap, closing cap and back lid (8) lock are connected.

6. The portable electrical stimulation apparatus as claimed in claim 1, wherein the electrical stimulation output module (4) comprises a triode driving circuit and a transformer (12), the triode driving circuit comprises a first triode and a second triode, the emitter of the first triode is connected with the primary side of the transformer (12), the collector (1) of the second triode is connected with the primary side of the transformer (12), the bases of the first triode and the second triode are connected with the output end of the MCU chip (3), and the secondary side of the transformer (12) is respectively connected with two electrodes (1).

7. The portable electrical stimulation apparatus according to claim 1, wherein the rotary button comprises a potentiometer (13), the intensity detection module (5) comprises an operational amplifier, the same directional end of the operational amplifier is connected with the output end of the potentiometer (13), the opposite directional end of the operational amplifier is connected with the output end, and the output end of the operational amplifier is connected with the input end of the MCU chip (3).

8. The portable electric stimulation device according to claim 1, characterized in that the LED display screen is connected with the MCU chip (3) through UART serial communication.

9. A portable electro-stimulation device as claimed in claim 1 characterized in that the number of keys (14) is 4, the output of 4 keys (14) being connected to the input of the MCU chip (3).