CN110721403A - Wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence - Google Patents
Wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
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- A—HUMAN NECESSITIES
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- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0484—Garment electrodes worn by the patient
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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
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
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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
- A61N1/36034—Control systems specified by the stimulation parameters
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Abstract
The utility model discloses a wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence, wearable terminal of intermediate frequency electro photoluminescence include body (6) and with electrode slice (9) that body (6) magnetism was inhaled, body (6) include: the wearable terminal comprises a rechargeable internal power supply (4) for supplying power to an intermediate-frequency electrical stimulation wearable terminal, a communication unit (7) for wirelessly receiving intermediate-frequency electrical stimulation information, a storage unit (3) for connecting the communication unit, the storage unit (3) for storing the intermediate-frequency electrical stimulation information, a main control unit (1) for circuit connection with the rechargeable internal power supply (4) and the storage unit to generate intermediate-frequency electrical stimulation current based on the intermediate-frequency electrical stimulation information, a stimulation current amplification unit (2) for connection with the main control unit (1) to amplify and output the intermediate-frequency electrical stimulation current, and a solid magnetic conductor (8) for magnetic attraction and conduction to be in circuit connection with the stimulation current amplification unit (2).
Description
Technical Field
The invention relates to the technical field of wearable medical equipment, in particular to an intermediate-frequency electrical stimulation wearable terminal and an intermediate-frequency electrical stimulation wearable system.
Background
The operation itself is a wound, and after the operation, the limbs are cut off due to partial blood vessels, and the surrounding tissues are stimulated by the internal fixation of steel plates, screws and the like, so that swelling is caused. After limb swelling, the distal circulation is poor, local inflammatory substances and metabolites are accumulated, and the inflammation is slowly faded; fresh blood and nutrients can not be delivered to the damaged part in time, and the tissue growth and repair are affected; the pressure of the swelling on the tissues increases the pain; after operation, the limbs brake, the blood flow becomes slow, and blood platelets stay and gather around the blood vessels, so that thrombus is easily formed. These factors all affect the recovery of the lower limb postoperative function.
The body tissue corresponds to a small capacitor, and the capacitance reactance exhibited by ac power can be expressed by XC being 1/2 pi fc, and as can be seen from the formula, the higher f is, the smaller XC is. The frequency output characteristic of the wearable low-frequency electrical stimulator is that when the wearable low-frequency electrical stimulator is used for outputting at low frequency (0-1000 Hz), the stimulation to muscles and tissues is strong, and the stimulation depth is shallow; the medium frequency current can overcome the resistance of organism tissues, thereby achieving larger action depth. The stimulation of the sensory nerves of the skin by the medium frequency current causes a comfortable vibration sensation (uncomfortable constraint sensation at high intensity), and the stimulation does not cause the excitation of the pain fibers. Therefore, when the medium-frequency current is applied, a large current intensity can be used to cause the deep muscle to contract strongly, but the burning and pricking feeling below the electrode can not be caused. It is presently believed that low frequency induced current only excites normal neuromuscular, while medium frequency alternating current (especially at 6000 Hz) still has the potential to excite degenerative neuromuscular. It is proposed that when a medium-frequency current of 6000-8000 Hz is applied, the muscle contraction threshold and the pain threshold are obviously separated, namely, in the frequency, the muscle is strongly contracted without causing pain. At present, low-frequency (0-60 Hz) current is used for modulating the intermediate-frequency current clinically, so that the amplitude of the intermediate-frequency current changes along with the frequency of the low-frequency current. Therefore, the current has the characteristics of low and medium frequency current, and the human body is not easy to adapt due to the continuous change of the waveform, the amplitude, the frequency and the amplitude. The current applied to clinic at present comprises interference current and modulated intermediate frequency current, and the rectified pulse intermediate frequency current can be used for medicine iontophoresis treatment.
In the prior art, currently, in the physical therapy industry, medium frequency electrotherapy is mainly divided into constant amplitude medium frequency electrotherapy, low frequency modulation medium frequency electrotherapy and interference electrotherapy. The medium frequency electrotherapy is a method for treating and rehabilitating by applying alternating current with the frequency of 1kHz-100kHz, including various scheme waveforms, pulse waves, modulation waves and the like. The purpose of modulating the intermediate frequency and the interference current is to send modulation waves or interference waves into a human body by utilizing the characteristic that the carrier wave is the intermediate frequency current and the penetration force is strong, so as to realize the effect of deep treatment. The medium frequency current can excite the thick fibers of peripheral nerves, and the thin fibers for transmitting pain sensation are inhibited through the regulation and control of a gate, so that the analgesic effect is achieved. The medium frequency current can expand blood vessels, promote blood circulation and accelerate the discharge of local pain-causing substances. The intermediate frequency electrical stimulation can also enable a human body to release morphine-like substances with analgesic effect. Axonal reflex and triple response: axonal reflex refers to the phenomenon that when an electric current is applied to the skin of the lower limbs, the electric stimulation passes through afferent nerves to the posterior horn of the spinal cord, excites efferent nerves, dilates arterioles of the skin, and causes the surface of the skin under the electrodes to show diffuse redness. Skin irritation can also release histamine, substance P, acetylcholine, etc., which can dilate the arteries. In addition, electrical stimulation itself can directly cause arterial dilation, three of which are referred to as triple responses. Contraction of muscles: the low-frequency modulation wave or interference wave can cause muscle contraction, muscle rhythmic contraction and relaxation to form a pump function, so that the backflow of blood and lymph is promoted; metabolites of muscle activity: metabolites of muscle activity, such as lactic acid, ATP, ADP, etc., all have significant vasodilatory effects. The medium frequency current can enlarge the gap between cells and tissues and release the adhered connective tissue fibers, muscle fibers and nerve fibers. The low-frequency modulation wave or the interference wave can change the ion permeability of the cell membrane, so that the internal and external polarities of the cell membrane are changed, the membrane potential is depolarized, an action potential is formed, and therefore, the neuromuscular is excited, and the muscle contraction is generated. The middle-frequency electrical stimulator attached to the skin on the lower side of the knee joint sends a middle-frequency modulation electrical stimulation signal to stimulate calf peroneal nerve to drive the passive rhythm contraction of calf and foot muscles, when the muscles contract, the blood and lymph of lower limbs are extruded and flow back, when the muscles relax, the fresh blood is supplemented, the aims of increasing the blood flow peak values of veins and arteries of the lower limbs, improving the blood circulation and preventing deep vein thrombosis are achieved, and the requirement of passive ankle pump movement can be met.
In the prior art, the intermediate frequency rehabilitation therapy apparatus is a common electrical stimulation physiotherapy apparatus, has the effects of easing pain, promoting local blood circulation, exercising muscles, softening scars, releasing adhesion, diminishing inflammation and the like, and is suitable for various diseases such as arthritis, scapulohumeral periarthritis, lumbar and back myofascitis, cervical spondylosis, lumbar spondylosis, osteoarthritis and the like. Patent document CN205084220U discloses bionic electrical stimulation therapy, which is a common clinical rehabilitation therapy means. According to the frequency of the stimulating current, the stimulating current can be divided into three currents of low frequency (less than 1000Hz), medium frequency (1000Hz-100KHz) and high frequency (more than 100 KHz). The intermediate frequency rehabilitation therapeutic apparatus on the market at present can be divided into a fixed type and a portable type according to the use form of equipment; the fixed intermediate frequency rehabilitation therapeutic apparatus mostly uses an inefficient AB type power amplifier, but the fixed intermediate frequency rehabilitation therapeutic apparatus has large power consumption, needs a radiating fin, has large volume of the whole apparatus and is inconvenient for a user to carry; the portable intermediate frequency rehabilitation therapeutic apparatus has overlarge volume and weight, basically needs a wire in the connection mode with the electrode plate, and cannot be directly applied to the affected part to achieve a wearable effect. The implanted sacral nerve electrical stimulation therapeutic apparatus needs to be implanted into a human body through an operation, the operation cost is high, adverse reactions are more, and once a stimulation reflecting area is changed or incorrect, the sacral nerve electrical stimulation therapeutic apparatus needs to be implanted again, even the operation fails. The invention has the advantages of no need of operation, adjustable stimulation position and electric stimulation scheme, higher safety and low cost. The medical apparatus not only has the requirement of curative effect but also has a plurality of safety requirements, and the electric stimulation therapeutic apparatus is required to have the function of monitoring the falling of the electrode slice so as to prevent unexpected safety risk; the civil wearable physiotherapy instrument products on the market do not have the important function and cannot meet the requirements of relevant regulations.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the intermediate-frequency electric stimulation wearable terminal and the intermediate-frequency electric stimulation wearable system which utilize the miniature main body magnetic combination electrode plate containing the internal power supply and the circuit device to be adhered to the skin for carrying out wearable electric stimulation, can also carry out electric stimulation scheme editing, leading-in and man-machine conversation functions through the communication between the communication unit and the upper computer, do not need to participate in a wire, do not need to be implanted into a body, can be directly and integrally pasted on an affected part for carrying out wearable electric stimulation, and have the advantages of monitoring the falling of the electrode plate, avoiding safety risks, having good effect, low power consumption, small size, light weight, being wearable, programmable, convenient.
The purpose of the invention is realized by the following technical scheme.
In one aspect of the invention, a wearable terminal for medium frequency electrical stimulation comprises a body and an electrode plate magnetically attracted with the body, wherein the body and the electrode plate are combined through magnetic attraction and then adhered to skin through the electrode plate for medium frequency electrical stimulation,
the electrode slice adhered to the skin comprises a conductive adhesive layer adhered to the skin for conducting electricity and a magnetic connector for magnetically attracting the solid magnetic conductor,
the body includes:
a rechargeable internal power supply that powers the intermediate-frequency electro-stimulation wearable terminal,
a communication unit for wirelessly receiving the intermediate frequency electrical stimulation information,
the storage unit is connected with the communication unit and stores the intermediate-frequency electrical stimulation information,
a main control unit which is electrically connected with the chargeable internal power supply and the storage unit and generates intermediate frequency electrical stimulation current based on the intermediate frequency electrical stimulation information,
a stimulation current amplifying unit connected with the main control unit for amplifying the intermediate frequency electrical stimulation current,
and the solid magnetic conductor is used for magnetically attracting and conducting the solid magnetic conductor circuit and connecting the stimulating current amplifying unit.
In the intermediate-frequency electrical stimulation wearable terminal, the length, width and height of the body are not more than 50 x 15 mm.
In the intermediate-frequency electrical stimulation wearable terminal, the stimulation current amplification unit comprises an amplification circuit and an output circuit, and is used for amplifying and outputting the intermediate-frequency electrical stimulation current output by the main control unit.
The wearable terminal for intermediate-frequency electrical stimulation comprises a body, wherein the body comprises an electrode plate monitoring unit, the electrode plate monitoring unit for monitoring the intermediate-frequency electrical stimulation wearable terminal and a loop resistor of a human body is in circuit connection with a stimulation current amplifying unit and a solid-state magnetic conductor, and when the loop resistor is larger than a preset threshold value, the main control unit stops current output.
In the intermediate-frequency electric stimulation wearable terminal, the body further comprises a charging circuit connected with the charging connector and a rechargeable internal power supply, and the rechargeable internal power supply comprises a battery with a battery protection circuit.
In the intermediate-frequency electrical stimulation wearable terminal, the intermediate-frequency electrical stimulation current comprises low-frequency modulated intermediate-frequency current.
In the intermediate-frequency electrical stimulation wearable terminal, a communication unit comprises one of wireless local area network communication equipment, mobile communication network equipment and satellite network communication equipment with different priorities, the mobile communication network equipment comprises a 2G/3G/4G/5G wireless communication chip, and the wireless local area network communication equipment comprises a Bluetooth module, an RF module or a Wi-Fi module.
In the medium-frequency electrical stimulation wearable terminal, the solid magnetic conductor is made of neodymium iron boron materials.
According to another aspect of the invention, the intermediate-frequency electrical stimulation wearable system comprises the intermediate-frequency electrical stimulation wearable terminal and an upper computer used for processing intermediate-frequency electrical stimulation information, wherein the upper computer is in wireless connection with the communication unit.
In the wearable system for intermediate-frequency electrical stimulation, the upper computer comprises a processing unit for importing, editing and adjusting intermediate-frequency electrical stimulation information and/or a charging unit for charging the rechargeable power supply, and the upper computer comprises a mobile phone, a tablet computer, a personal terminal and/or a cloud server.
The invention has the following beneficial effects:
the invention provides a wearable electric stimulation device which is adhered to skin by utilizing a micro body magnetic combination electrode plate containing an internal power supply and a circuit device, wirelessly receives intermediate frequency electric stimulation information through a communication unit, does not need a wire to participate, does not need to be implanted into a body, can be directly and integrally pasted on an affected part for wearable electric stimulation, and has the advantages of monitoring the falling of the electrode plate, avoiding safety risk, good effect, low power consumption, small volume, light weight, wearability, programmability, convenient operation, safety and reliability, the wearable electric stimulation device is low in cost, convenient for patients to freely move, free from an external power supply or battery replacement, and capable of being charged once, the intermediate frequency electric stimulation is carried out for 1-3 hours, the connection mode of the electrode plate and a host is simple and easy to use, and the; the electrode plate can be specially and independently cleaned by a person, the equipment can automatically detect the contact condition of the electrode plate and a human body, and the output current is immediately stopped (or suspended) if the electrode plate is found to fall off, so that the safety is ensured, and accidental electric shock is prevented; the electrical stimulation scheme can be adjusted, introduced and edited by an upper computer (intelligent equipment with a man-machine conversation function such as a mobile phone and a computer) at any time according to the state of an illness, so that a doctor can provide a personalized electrical stimulation scheme according to a user, the percutaneous stimulation does not need an operation, and the cost is low; the defect that in the prior art, only low-frequency current can be output and medium-frequency current cannot be output due to the power consumption problem of a power supply is overcome, and low-frequency electrical stimulation current is output under the condition that the pain threshold of a human body is constant. The low-frequency modulation intermediate-frequency electrical stimulation current output by the invention has larger stimulation current intensity and deeper stimulation depth.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly apparent, and to make the implementation of the content of the description possible for those skilled in the art, and to make the above and other objects, features and advantages of the present invention more obvious, the following description is given by way of example of the specific embodiments of the present invention.
Drawings
Various other advantages and benefits of the present invention will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. Also, like parts are designated by like reference numerals throughout the drawings.
In the drawings:
fig. 1 is a schematic structural diagram of a mid-frequency electrical stimulation wearable terminal according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a mid-frequency electrical stimulation wearable system according to one embodiment of the invention;
fig. 3 is a schematic diagram of a main control unit of a mid-frequency electrical stimulation wearable terminal according to one embodiment of the invention;
fig. 4 is a schematic diagram of a main control unit of a mid-frequency electrical stimulation wearable terminal according to one embodiment of the invention;
fig. 5 is a schematic diagram of a main control unit of a mid-frequency electrical stimulation wearable terminal according to one embodiment of the invention.
The invention is further explained below with reference to the figures and examples.
Detailed Description
Specific embodiments of the present invention will be described in more detail below with reference to fig. 1 to 5. While specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components, and those skilled in the art will understand that various terms may be used to refer to the same component. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
For the purpose of facilitating understanding of the embodiments of the present invention, the following description will be made by taking specific embodiments as examples with reference to the accompanying drawings, and the drawings are not to be construed as limiting the embodiments of the present invention.
For better understanding, fig. 1 is a schematic structural diagram of a mid-frequency electrical stimulation wearable terminal according to an embodiment of the invention, as shown in fig. 1, the mid-frequency electrical stimulation wearable terminal includes a body 6 and an electrode plate 9 magnetically attracted to the body 6, the body 6 and the electrode plate 9 are combined by the magnetic attraction and then adhered to the skin through the electrode plate for mid-frequency electrical stimulation,
the electrode plate 9 adhered to the skin comprises a conductive adhesive layer adhered to the skin for conducting electricity and a magnetic joint for magnetically attracting the solid magnetic conductor 8,
the body 6 comprises:
a rechargeable internal power source 4, which supplies power to the intermediate-frequency electrical stimulation wearable terminal,
a communication unit 7 for wirelessly receiving the intermediate frequency electrical stimulation information,
a storage unit 3 connected with the communication unit and used for storing the intermediate frequency electrical stimulation information,
a main control unit 1, wherein the main control unit is electrically connected with the chargeable internal power supply 4 and the storage unit and generates intermediate frequency electrical stimulation current based on the intermediate frequency electrical stimulation information,
a stimulation current amplifying unit 2 connected with the stimulation current amplifying circuit 2 of the main control unit for amplifying the intermediate frequency electrical stimulation current,
and the solid magnetic conductor 8 is used for magnetically attracting and conducting the solid magnetic conductor 8 and is connected with the stimulating current amplifying circuit 2 in a circuit way.
For further understanding of the present invention, in one embodiment, the intermediate frequency electrical stimulation wearable terminal includes a host, an electrode pad, and embedded software; embedded software is burned in the host computer to play a role in controlling the work of the host computer and communicating with the upper computer; the main machine consists of a main control unit, a stimulation current amplifying circuit, an internal memory, a chargeable internal power supply, an electrode plate contact monitoring circuit, a man-machine conversation device, a charging and data interface, a solid-state magnetic conductor, a wireless communication module and a shell structural part, so that the main machine has the functions of wearable intermediate-frequency current output treatment, and the current output scheme can be led in, edited, adjusted and the like. The electrode plate with the magnetic connector has the function of adhering to the skin of the lower limb, and can fix the host after being attracted and connected with the solid magnetic conductor on the host, so that the host and the electrode plate are combined and adhered to the skin of the lower limb, and the wearable function is achieved. The main control unit immediately interrupts or stops current output so as to ensure safety once the resistance value of the loop is overlarge due to the fact that the electrode plate falls off from a human body; the rechargeable internal power supply consists of a battery with a battery protection circuit and can supply power to the host machine to enable the host machine to work. The invention has the advantages of compact structure, small volume, light weight, convenient operation, low cost, safety and reliability.
To further understand that the master control unit 1 of the present invention generates the midfrequency electrical stimulation current based on the midfrequency electrical stimulation information, fig. 3 is a schematic diagram of the master control unit of the midfrequency electrical stimulation wearable terminal according to an embodiment of the present invention, in an embodiment, the master control unit 1 includes a Numerically Controlled Oscillator (NCO), a Waveform Generator (CWG), and a Digital-to-analog converter (DAC), and the master control unit 1 implements a proportional control loop adjustment to precisely adjust the voltage amplitude. The main control unit 1 reads an output value through two digital-to-analog converter channels and correspondingly adjusts a control signal based on the intermediate-frequency electrical stimulation information, and the numerical control oscillator adjusts the duty ratio pulse frequency modulation by matching fixed conduction time pulses with variable frequencies.
In an embodiment, fig. 4 is a schematic diagram of a main control unit of a mid-frequency electrical stimulation wearable terminal according to an embodiment of the present invention, the main control unit 1 includes a Complementary Output Generator (COG), a Capture/Compare/PWM module (Capture/Compare/PWM, CCP), and a Digital-to-analog converter (DAC), and the main control unit 1 further precisely adjusts the voltage amplitude. The main control unit 1 compares the voltage with the reference voltage of an Error Amplifier (FA) and feeds the result to a peak current comparator, before which an internal slope compensation module subtracts an adjustable ramp from the Error Amplifier output. The capture/compare/PWM module provides a control signal with a fixed frequency and fixed duty cycle and selects the peak current comparator output as the second (stepped) source of the complementary output generator falling edge.
In one embodiment, fig. 5 is a schematic diagram of a main control unit of a wearable terminal for intermediate-frequency electrical stimulation, according to an embodiment of the present invention, the main control unit 1 controls VOUT and PMBus I2C controlled precise bidirectional current DACs of any DC/DC voltage regulator via a serial PMBus interface, and is specifically configured to regulate the output voltage of the DC/DC voltage regulator. LTC7106 has output current accuracy of ± 1%, using 2mm x 3mm DFN-10 packaging, building a small and simple solution suitable for numerous discrete and modular DC/DC voltage regulators. The master unit 1 receives a 7-bit serial code through LTC7106 and converts it to a bi-directional (sourcing, sinking) output current.
In one embodiment, the main control unit 1 is a michip chip, and has one or more of a Complementary Output Generator (COG), a Comparator (Comparator, COMP), an Operational Amplifier (OPA), a Digital-to-Analog Converter (DAC), a Fixed Voltage Reference (FVR), a Slope Compensation (SC) module, a Capture/Compare/PWM (Capture/Compare/PWM) module, a waveform Generator (Comparator, Generator, g) and/or an NCO (Numerically Controlled Oscillator) inside.
The prior art does not have loop control, and the characteristics and the volume that output amplitude is difficult to control are great, can't realize the intermediate frequency miniaturization. The present invention overcomes the above-mentioned deficiencies. The present invention may also generate the intermediate-frequency electrical stimulation current based on the intermediate-frequency electrical stimulation information, which may be prescribed information including pulse width modulation of electrical stimulation, i.e., a time when a high level is output in one period, and if it is said that the period T is 64US and the pulse width D is 32US, the duty ratio D/T is 32/64 is 50%, and the pulse width adjustment is the adjustment of the duty ratio. Pulse width modulation is the control of analog circuits using the digital output of a microprocessor. Pulse width modulation is an analog control mode, and modulates the bias of a transistor base or a MOS transistor grid according to corresponding frequency waveform change to realize the change of the conduction time of a transistor or an MOS transistor, thereby realizing the change of the switch output. The Pulse Width Modulation (PWM) module is controlled based on the on-off of the circuit switch device, so that a series of pulses with equal amplitude are obtained at the output end, and the pulses are used for replacing various scheme waveforms or required waveforms. That is, a plurality of pulses are generated in a half cycle of an output waveform, so that the equivalent voltage of each pulse is in various scheme waveform shapes, and the obtained output is smooth and has few low-order harmonics.
In order to further understand the characteristics of compact structure, small volume and light weight of the invention, the main control unit 1 of the invention controls the voltage to form a predetermined amplitude by the above method, thereby avoiding the complex design of an inductance booster circuit and reserving a larger space for a battery, and in one embodiment, the main control unit 1 is a 5.3 mm low-power-consumption high-speed MCU chip packaged in a ssop small package. The wearable terminal for medium-frequency electrical stimulation adopts a small patch element and a small packaging element. The intermediate-frequency electrical stimulation wearable terminal optimizing circuit reduces the heat productivity of electronic elements and improves the efficiency.
In a preferred embodiment of the wearable mid-frequency electrical stimulation terminal of the present invention, the length, width, and height of the body 6 are not greater than 50 × 15 mm.
In a preferred embodiment of the wearable terminal for intermediate-frequency electrical stimulation, the stimulation current amplifying circuit 2 includes an amplifying circuit and an output circuit. In the preferred embodiment of the intermediate-frequency electrical stimulation wearable terminal, the body 6 comprises an electrode plate monitoring unit 5, the electrode plate monitoring unit 5 for monitoring the intermediate-frequency electrical stimulation wearable terminal and the loop resistance of a human body is in circuit connection with the stimulation current amplifying circuit 2 and the solid-state magnetic conductor 8, and when the loop resistance is larger than a preset threshold value, the main control unit 1 stops current output. In one embodiment, the electrode plate monitoring unit 5 monitors whether the output voltage signal is in contact with the skin of a human body through an AD conversion circuit of the main control unit 1, and appropriately adjusts the magnitude of the output voltage and the current according to different individuals. Because of everyone's physique difference, the clean degree difference of skin, the skin resistance between the different people is very big, detects skin resistance through AD conversion and in time adjusts output voltage, lets everyone's use experience be close the same level. Meanwhile, when the detected resistance is infinite, the electrode plate can be judged to be in a falling state, and the output is interrupted in time to ensure safety.
In a preferred embodiment of the wearable terminal for mid-frequency electrical stimulation according to the present invention, the body 6 further includes a charging circuit 11 connecting the charging connector and the rechargeable internal power source 4, and the rechargeable internal power source 4 includes a battery with a battery protection circuit.
In a preferred embodiment of the wearable intermediate-frequency electrical stimulation terminal, the intermediate-frequency electrical stimulation current comprises an intermediate-frequency current with a carrier wave of 1KHz-100 KHz. However, the invention does not prevent the modulation mode of frequency modulation or amplitude modulation from further comprising the modulation wave of 1-500Hz low-frequency current, namely, the alternating electrical stimulation of the low-frequency current can be realized. More preferably, the medium-frequency current modulated by low frequency can be independently adopted, thereby taking the advantages of medium and low frequency into consideration.
In the preferred embodiment of the wearable terminal for intermediate-frequency electrical stimulation, the communication unit 7 comprises one of wireless local area network communication equipment, mobile communication network equipment and satellite network communication equipment with different priorities, wherein the mobile communication network equipment comprises a 2G/3G/4G/5G wireless communication chip, and the wireless local area network communication equipment comprises a Bluetooth module, an RF module or a Wi-Fi module.
In a preferred embodiment of the wearable terminal for mid-frequency electrical stimulation according to the present invention, the solid magnetic conductor 8 is made of neodymium iron boron material.
Fig. 2 is a schematic structural diagram of a mid-frequency electrical stimulation wearable system according to an embodiment of the present invention, and as shown in fig. 2, the mid-frequency electrical stimulation wearable system includes the mid-frequency electrical stimulation wearable terminal and an upper computer 10 for processing mid-frequency electrical stimulation information, and the upper computer 10 is wirelessly connected to the communication unit. The communication unit of the invention can download the prescription in the cloud: the doctor or the user can download the treatment prescription in the cloud remote control, and the operation is flexible and convenient. The communication unit 7 has a data return function, the intermediate-frequency electric stimulation wearable terminal can upload equipment use conditions, treatment time, treatment prescription conditions and equipment faults to a cloud server or a pc for unified management besides a follow-up prescription, and the traditional equipment does not have the function.
In a preferred embodiment of the wearable system for intermediate-frequency electrical stimulation, the upper computer 10 includes a processing unit for importing, editing and adjusting intermediate-frequency electrical stimulation information and/or a charging unit for charging the rechargeable power supply, and the upper computer 10 includes a mobile phone, a tablet computer, a personal terminal and/or a cloud server.
Compared with the prior art, the traditional small mobile wearable electrical stimulator is low-frequency; the intermediate-frequency electrical stimulation wearable terminal has the advantages that:
1. compared with the existing low-frequency electric current, the low-frequency electric current can act on deeper human tissues;
2. the prior medium-frequency electrical stimulation adopts alternating current, has no difference between positive and negative electrodes, and is locally electrolyzed when being used for a long time, the medium-frequency direct current electrical stimulation formed by low-frequency direct current modulation adopted by the invention has no electrolysis risk, and the medium-frequency current of the low-frequency modulation of the invention is characterized in that: the low-frequency modulated intermediate-frequency current has the characteristics of low and intermediate-frequency currents, the current which is most suitable for stimulating the pathological muscle is not simple low-frequency pulse current but low-frequency modulated intermediate-frequency current, the adopted current contains intermediate-frequency electric components and has the characteristics of low-frequency electricity, the current does not have the defects of low-frequency electricity (such as shallow action table, large stimulation to skin, electrolysis effect and the like), and the advantages and the effects of the low and intermediate-frequency electricity are realized;
3. the low-frequency current has obvious stimulation effect on sensory nerves and motor nerves, and the medium-frequency current has better regulation effect on autonomic nerves and visceral functions than the low-frequency current; the invention can further ease pain and promote blood circulation on the basis of adjusting the functions of autonomic nerves and internal organs;
4. in the prior art, the intermediate frequency signal needs to boost the power supply voltage by dozens of times, and a small circuit board does not have enough space for placing a corresponding boosting module, so that the conventional intermediate frequency therapeutic apparatus has a large volume and cannot meet the wearable requirement; in order to realize intermediate frequency output and long-time use of the existing intermediate frequency therapeutic apparatus, a large volume is required to be connected with 220V mains supply for power supply, and the existing intermediate frequency therapeutic apparatus does not have a wearable/portable function; according to the invention, 220v alternating current does not need to be connected, and the low-frequency direct current is modulated to form intermediate-frequency direct current stimulation based on intermediate-frequency electrical stimulation information through the main control unit 1, so that the wearable low-power-consumption wearable low-frequency direct current stimulation device can be miniaturized.
7. The output intermediate frequency signal needs higher voltage and simultaneously promotes great power consumption, the endurance time of a battery which can be used for hours under low frequency originally when the intermediate frequency signal is generated is greatly shortened, and the invention obviously improves the endurance time.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments and application fields, and the above-described embodiments are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The wearable terminal for intermediate-frequency electrical stimulation is characterized by comprising a body (6) and an electrode plate (9) magnetically attracted with the body (6), wherein the body (6) and the electrode plate (9) are combined through magnetic attraction and then adhered to skin through the electrode plate to perform intermediate-frequency electrical stimulation,
the electrode slice (9) adhered to the skin comprises a conductive adhesive layer adhered to the skin for conducting electricity and a magnetic joint used for magnetically attracting the solid magnetic conductor (8),
the body (6) comprises:
a rechargeable internal power supply (4) that supplies power to the intermediate-frequency electrical stimulation wearable terminal,
a communication unit (7) for wirelessly receiving the intermediate frequency electrical stimulation information,
the storage unit (3) is connected with the storage unit (3) of the communication unit and stores the intermediate-frequency electrical stimulation information,
a main control unit (1) which is in circuit connection with the chargeable internal power supply (4) and the storage unit and generates intermediate-frequency electrical stimulation current based on the intermediate-frequency electrical stimulation information,
a stimulation current amplifying unit (2) which is connected with the main control unit (1) to amplify the intermediate frequency electrical stimulation current,
the solid magnetic conductor (8) is used for magnetic attraction and conduction, and the solid magnetic conductor (8) is connected with the stimulating current amplifying unit (2) through a circuit.
2. The wearable terminal of claim 1, wherein: preferably, the length, width and height dimensions of the body (6) are not more than 50 x 15 mm.
3. The wearable terminal of claim 1, wherein: the stimulation current amplification unit (2) comprises an amplification circuit and an output circuit, and is used for amplifying and outputting the intermediate-frequency stimulation current output by the main control unit.
4. The wearable terminal of claim 1, wherein: the body (6) comprises an electrode plate monitoring unit (5), the electrode plate monitoring unit (5) for monitoring the intermediate-frequency electrical stimulation wearable terminal and the loop resistance of the human body is in circuit connection with a stimulation current amplifying unit (2) and a solid magnetic conductor (8), and when the loop resistance is larger than a preset threshold value, the main control unit (1) stops current output.
5. The wearable terminal of claim 1, wherein: the body (6) further comprises a charging circuit (11) connected with the charging connector and the rechargeable internal power supply (4), and the rechargeable internal power supply (4) comprises a battery with a battery protection circuit.
6. The wearable terminal of claim 1, wherein: the intermediate frequency electrical stimulation current comprises a low frequency modulated intermediate frequency current.
7. The wearable terminal of claim 1, wherein: the communication unit (7) comprises one of wireless local area network communication equipment, mobile communication network equipment and satellite network communication equipment with different priorities, wherein the mobile communication network equipment comprises a 2G/3G/4G/5G wireless communication chip, and the wireless local area network communication equipment comprises a Bluetooth module, an RF module or a Wi-Fi module.
8. The wearable terminal of claim 1, wherein: the solid magnetic conductor (8) is made of neodymium iron boron materials.
9. The utility model provides a wearable system of intermediate frequency electro photoluminescence which characterized in that: the wearable system for medium-frequency electrical stimulation comprises the wearable terminal for medium-frequency electrical stimulation according to any one of claims 1 to 8 and an upper computer (10) for processing medium-frequency electrical stimulation information, wherein the upper computer (10) is in wireless connection with the communication unit.
10. The wearable system of claim 9, wherein: the upper computer (10) comprises a processing unit for importing, editing and adjusting intermediate-frequency electrical stimulation information and/or a charging unit for charging the rechargeable power supply, and the upper computer (10) comprises a mobile phone, a tablet personal computer, a personal terminal and/or a cloud server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810881745.1A CN110721403A (en) | 2018-08-03 | 2018-08-03 | Wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810881745.1A CN110721403A (en) | 2018-08-03 | 2018-08-03 | Wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence |
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| CN110721403A true CN110721403A (en) | 2020-01-24 |
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| CN201810881745.1A Pending CN110721403A (en) | 2018-08-03 | 2018-08-03 | Wearable terminal of intermediate frequency electro photoluminescence and wearable system of intermediate frequency electro photoluminescence |
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Cited By (1)
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|---|---|---|---|---|
| CN113318346A (en) * | 2020-02-29 | 2021-08-31 | 黄辉 | Split type wireless low-frequency therapeutic apparatus |
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