CN107469232A - A kind of electrodeless electro-therapeutic apparatus of intermediate frequency - Google Patents
A kind of electrodeless electro-therapeutic apparatus of intermediate frequency Download PDFInfo
- Publication number
- CN107469232A CN107469232A CN201710668791.9A CN201710668791A CN107469232A CN 107469232 A CN107469232 A CN 107469232A CN 201710668791 A CN201710668791 A CN 201710668791A CN 107469232 A CN107469232 A CN 107469232A
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- China
- Prior art keywords
- intermediate frequency
- electro
- therapeutic apparatus
- electrotherapy
- electrodeless
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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
Abstract
The invention discloses one kind to use transformer sample electromagnetic conversion and electromagnetic induction principle, a coil is driven with electrotherapy pulsating current, primary of this coil equivalent to transformer, tissue in human body due to it is conductive can be similar in appearance to the secondary of transformer, the change of primary current, which can cause, produces faradic change in the human body of secondary, to reach the purpose of electrodeless electrotherapy.The output winding of electro-therapeutic apparatus of intermediate frequency can be not directly contacted with human body, and alternating magnetic field is produced around coil, and magnetic field can reach subcutaneous and organization internal output electric current of intermediate frequency with without hindrance through clothes, skin.In order to reach the technical indicator of electrotherapy, semiconductor switch device is used with the just profound ripple electric current of 1KHz 3KHz basic intermediate frequency, and the technical parameter and clinical treatment function of common intermediate frequency electro-therapeutic apparatus are realized with 1Hz 100Hz low frequency modulations and the mode of amplitude modulation(PAM).
Description
Technical field
Particularly electrodeless electro-therapeutic apparatus of intermediate frequency, it is that one kind utilizes electromagnetic induction principle the invention belongs to medical Instrument field,
The device of electrodeless electro-therapeutic apparatus of intermediate frequency.
Background technology
Electro-therapeutic apparatus of intermediate frequency is that the alternating current that a kind of general frequency is 1kHz-100kHz carries out physical treatment, health to human body
Multiple method.Medium frequency electrotherapy is with more than two electrodes, injects electric current of intermediate frequency to hypodermis by human body skin, mainly
There are constant amplitude electrotherapy, low frequency modulations medium frequency electrotherapy and interferential current therapy.
Electrotherapy is widely used in rehabilitation department, the department of physiotherapy, mainly has analgesic activity, expansion blood vessel, promotes blood
Ringing, antiinflammation.In addition with softening scar, adhesion of loosening effect.In addition electric current of intermediate frequency can be with excitor nerve flesh
Meat tissue, stimulate nerve to produce action potential, excitor nerve muscle, produce contraction of muscle.
But existing electrotherapy is needed by conductive electrode, directly and skin contact, electric current of intermediate frequency could be input to
Inside of human body.The cuticula resistance of skin is big, hinders electric current to enter human body.When electrode is installed, in order to reduce skin and electrode it
Between contact resistance, be often required to polish skin or with conduction liquid soak sponge foam electrode after be fixed on skin surface.Treatment
It is troublesome in poeration time-consuming.
The electrode of electrotherapy directly contacts the biocompatibility that human body skin is related to electrode, easily cause it is allergic,
Cause electrochemical reaction, rubefaction, electric current is excessive can also to be burnt skin, cause malpractice.
The electrode of electro-therapeutic apparatus of intermediate frequency is all non-disposable electrode, and sterilization is difficult, contact skin easily cause it is allergic or
The iatrogenic accident such as cross-infection.
The output electrode of electrotherapy has more than 2, and electric current is led to again by entering tissue after electrode and skin contact
Cross other electrode and return to equipment composition loop, because dermatopolyneuritis is big in loop, voltage drop is big, and consumption power is big, skin
Sensory fibre is more, can be there is the neurostimulating pain of acupuncture sample by overstimulation, and treatment lacks comfort.
Because electrode will directly contact skin, therefore direct exposed skin, the solution that generally to undress trousers are wanted, cause treatment not
Just, particularly winter can also suffer from cold flu.
There is the position of damage or infection to place the use that electrode limits electrotherapy in skin.
Commercial electro-therapeutic apparatus of intermediate frequency is all as device power supply (DPS), if equipment is made moist or failure electric leakage is gone back using civil power in addition
Sometimes the danger that hospitalized patients are got an electric shock.
It is contemplated that a kind of electrodeless electrotherapy technology of exploitation, utilizes electromagnetic coupled, electromagnetic conversion and electromagnetism sense
The principle answered, use is physically-isolated, electrotherapy pattern without electrode, avoids above-mentioned electrotherapy and is exported using electrode
Disadvantage.
The content of the invention
In view of the shortcomings of the prior art, the present invention relates to a kind of electrodeless electrotherapy technology, electromagnetic coupled, electricity are utilized
Magnetic is changed and the principle of electromagnetic induction, and use is physically-isolated, electrotherapy pattern without electrode, avoids above-mentioned medium frequency electric
Treat the disadvantage using electrode output.
Medium frequency electrotherapy uses medium frequency sinusoidal current of the frequency for 1~100kHz.Clinically conventional frequency is 2~5kHz,
Common method has three kinds of uniform amplitude medium frequency sinusoidal electrotherapy, amplitude modulation intermediate frequency sinusoidal current therapy and interferential current therapy.Frequency of modulated wave is
10~200Hz, all-wave or half-wave, continuous modulation or interruption modulation can be used, can also use persistent wave and modulating wave to be alternately present,
Or the modulating wave of frequency alternation.Modulating frequency current has the characteristics of low, electric current of intermediate frequency concurrently, for relieving pain or stimulating circulation,
It is obvious that effect is used alone in relatively low, medium frequency electric；During for neuromuscular stimulation, because skin irritation is small, patient can tolerate larger
Electricity.Interference electricity is the constant amplitude medium frequency sinusoidal current (the multi-purpose 5 ± 0.1kHz of clinic) that 0~100Hz is differed using two class frequencys, is handed over
The same position of fork input human body.Cross part formed electric interfering field, in vivo by sinusoidal electric wave beat principle produce 0~
100Hz low-frequency modulated mid-frequency electric stimulation.3 groups of constant amplitude medium frequency sinusoidal currents are clinically utilized, intersect input human body from three dimensions,
Three-dimensional electric interfering field is formed, its effect is better than general electric interfering field.After improved, using the sine electricity of 3 groups of intensity alternate changes
Stream, makes local stimulation be more easy to endure for patient, further improves therapeutic effect, and the method is referred to as dynamic solid interference electricity
Therapy.Electric current of intermediate frequency treatment soft tissue injury, neuritis, dysmenorrhoea, circulation obstruction of limbs are clinically commonly used, peripheral nerve injury is drawn
The muscular paralysis risen, stomach and intestine and smooth muscle of bladder are powerless etc..The person that suffers from acute suppurative inflammation, pregnant woman, thrombophlebitis patient,
Pacemaker person disables.
The principle of the invention for utilizing electromagnetic coupled, electromagnetic conversion and electromagnetic induction, use are physically-isolated, without electrode
Electrotherapy pattern, avoids the disadvantage that above-mentioned electrotherapy uses electrode output, and and can reaches the effect of electrotherapy.
To reach above-mentioned purpose, technical solution of the invention is：
In order to reach the purpose of electrotherapy again without electrode, the present invention is former using transformer sample electromagnetic conversion and electromagnetic induction
Reason, a coil is driven with electrotherapy pulsating current, this coil equivalent to transformer primary, tissue in human body due to
It is conductive can to cause generation induced electricity in the human body of secondary similar in appearance to the secondary of transformer, the change of primary current
The change of stream, to reach the purpose of electrodeless electrotherapy.
The output winding of electro-therapeutic apparatus of intermediate frequency can be not directly contacted with human body, and alternating magnetic field is produced around coil, and magnetic field can
With without hindrance through clothes, skin, reach subcutaneous and organization internal output electric current of intermediate frequency.
In order to reach the technical indicator of electrotherapy, use semiconductor switch device with 1KHz-3KHz basic intermediate frequency just
Profound ripple electric current, with 1Hz-100Hz low frequency modulations and the mode of amplitude modulation(PAM) realize common intermediate frequency electro-therapeutic apparatus technical parameter and
Clinical treatment function.
The brand-new thinking of the technical program overcomes, removes the electrotherapy traditional mode and electrode for using electrode therapy
The drawbacks such as caused dangerous, inconvenient, allergy, pain, cross-infection, a kind of brand-new electrotherapy is invented and has not had to electrode
Technology.
Preferably, a kind of typical electrodeless electro-therapeutic apparatus of intermediate frequency, it has following module：
Power module；Filter rectification capacitance energy storage module；Intermediate frequency waveform control module；Semiconductor switch；Single-chip microcomputer；Display
Screen and human-computer interaction module；Output winding.
Power module, civil power, 220V~110V are directly connected to by power switch；Or accessory power supply, including AC/DC
Standby power, there is provided 12V, 3.3V device interior working power.
Filter rectification capacitance energy storage module, inductance, X electric capacity, Y capacitance are touched by common mode inductance, difference and absorb and filter high frequency
Noise jamming, equipment is set to meet Electro Magnetic Compatibility.Filled by rectifier bridge and pfc circuit and pressure regulation booster circuit to storage capacitor
Electricity.
Single-chip microcomputer, device program controller, produce intermediate frequency waveform, various modulation systems, sequential, in real time monitoring and feedback control
System and display screen control.
Intermediate frequency waveform control module, the frequency sent by single-chip microcomputer, waveform, modulation, sequential, the instruction of the digital command of intensity
By A/D convertor circuit, pwm circuit, Simulation scale-up, shaping circuit drive circuit composition.
Display screen and human-computer interaction module, it is made up of color liquid crystal touch display screen, coder switch.Adjust electrotherapy
Some parameters, display device working condition.
Semiconductor switch, IGBT pipes, controllable silicon original paper can be selected according to output intensity.
Output winding, by multiply enamel-covered wire circular wound, outward appearance makes different be suitable for according to the treatment of different parts
The shape of human body surface.
Advantages of the present invention：
The pattern of electrode therapy must be used by improving electrotherapy technology traditional at present, and the electrode of contact human body is changed to
The coil output of human body is not contacted, can reach the effect of same electrotherapy, and there is succinct convenient, the contactless, nothing of operation
Pain, intermediate frequency output pass to human body by the way that the electromagnetic induction coil to insulate is zero-decrement, and more safe, practical, no electrode connects
The drawbacks of tactile human body is brought.The present invention have updated traditional electrotherapy have must use electrode concept, be electro-therapeutic apparatus of intermediate frequency more
New regeneration product.
Brief description of the drawings
Fig. 1 is the theory diagram of the electrodeless electro-therapeutic apparatus of intermediate frequency of the present invention；
Wherein, block diagram 1, expression are directly connected to civil power, 220V~110V by power switch.
Block diagram 2, inductance, X electric capacity, Y capacitance are touched by common mode inductance, difference and absorb and filter high frequency spurs interference, makes equipment
Meet Electro Magnetic Compatibility.Charged by rectifier bridge and pfc circuit and pressure regulation booster circuit to storage capacitor.
Block diagram 3, accessory power supply, including AC/DC standby powers, there is provided 12V, 3.3V device interior working power.
Block diagram 4, single-chip microcomputer, device program controller, produce intermediate frequency waveform, various modulation systems, sequential, monitoring in real time and
Feedback control and display screen control.
Block diagram 5, the control of intermediate frequency waveform, frequency, waveform, modulation, sequential, the digital command of intensity sent by single-chip microcomputer refer to
Order is by A/D convertor circuit, pwm circuit, Simulation scale-up, shaping circuit drive circuit composition.
Block diagram 6, display screen human-computer dialogue module, is made up of color liquid crystal touch display screen, coder switch.Adjust intermediate frequency
Parameter that electrotherapy has, display device working condition.
Block diagram 7, semiconductor switch, IGBT pipes, controllable silicon original paper can be selected according to output intensity.
Block diagram 8, output winding, by multiply enamel-covered wire circular wound, outward appearance is made different according to the treatment of different parts
It is suitable for the shape of human body surface.
Embodiment
Embodiments of the invention are described below in detail, the embodiment is only used for explaining the present invention, and it is not intended that right
The limitation of the present invention.
The specific embodiment of the present invention is as described below.
As shown in figure 1, block diagram 1, expression is directly connected to civil power, 220V~110V by power switch.
Block diagram 2, inductance, X electric capacity, Y capacitance are touched by common mode inductance, difference and absorb and filter high frequency spurs interference, makes equipment
Meet Electro Magnetic Compatibility.Charged by rectifier bridge and pfc circuit and pressure regulation booster circuit to storage capacitor.
Block diagram 3, accessory power supply, including AC/DC standby powers, there is provided 12V, 3.3V device interior working power.
Block diagram 4, single-chip microcomputer, device program controller, produce intermediate frequency waveform, various modulation systems, sequential, monitoring in real time and
Feedback control and display screen control.
Block diagram 5, the control of intermediate frequency waveform, frequency, waveform, modulation, sequential, the digital command of intensity sent by single-chip microcomputer refer to
Order is by A/D convertor circuit, pwm circuit, Simulation scale-up, shaping circuit drive circuit composition.
Block diagram 6, display screen human-computer dialogue module, is made up of color liquid crystal touch display screen, coder switch.Adjust intermediate frequency
Parameter that electrotherapy has, display device working condition.
Block diagram 7, semiconductor switch, IGBT pipes, controllable silicon original paper can be selected according to output intensity.
Block diagram 8, output winding, by multiply enamel-covered wire circular wound, outward appearance is made different according to the treatment of different parts
It is suitable for the shape of human body surface.
The brand-new thinking of the technical program overcomes, removes the electrotherapy traditional mode and electrode for using electrode therapy
The drawbacks such as caused dangerous, inconvenient, allergy, pain, cross-infection, a kind of brand-new electrotherapy is invented and has not had to electrode
Technology.The pattern of electrode therapy must be used by improving electrotherapy technology traditional at present, and the electrode of contact human body is changed to
The coil output of human body is not contacted, can reach the effect of same electrotherapy, and there is succinct convenient, the contactless, nothing of operation
Pain, intermediate frequency output pass to human body by the way that the electromagnetic induction coil to insulate is zero-decrement, and more safe, practical, no electrode connects
The drawbacks of tactile human body is brought.The present invention have updated traditional electrotherapy have must use electrode concept, be electro-therapeutic apparatus of intermediate frequency more
New regeneration product.
It should be noted that the preferred specific embodiment of the present invention is the foregoing is only,
If conception under this invention changes, its caused function, the spirit still covered without departing from specification
When, all should be within the scope of the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (6)
1. a kind of electrodeless electro-therapeutic apparatus of intermediate frequency, it has following module：
Power module；Filter rectification capacitance energy storage module；Intermediate frequency waveform control module；Semiconductor switch；Single-chip microcomputer；Display screen and
Human-computer interaction module；Output winding.
2. the electrodeless electro-therapeutic apparatus of intermediate frequency described in claim 1, it is characterised in that：
The power module, civil power, 220V~110V are directly connected to by power switch；Or accessory power supply, including AC/DC
Standby power, there is provided 12V, 3.3V device interior working power；
Single-chip microcomputer, device program controller, produce intermediate frequency waveform, various modulation systems, sequential, in real time monitoring and feedback control with
And display screen control；
Display screen and human-computer interaction module, it is made up of color liquid crystal touch display screen, coder switch.Regulation electrotherapy has
Parameter, display device working condition；
Semiconductor switch, IGBT pipes, controllable silicon original paper are selected according to output intensity.
3. the electrodeless electro-therapeutic apparatus of intermediate frequency described in claim 1 or 2, it is characterised in that：
Output winding, by multiply enamel-covered wire circular wound, outward appearance is made according to the treatment of different parts different is suitable for human body
The shape on surface.
4. the electrodeless electro-therapeutic apparatus of intermediate frequency described in claim any one of 1-3, it is characterised in that：
Intermediate frequency waveform control module, the frequency sent by single-chip microcomputer, waveform, modulation, sequential, the instruction of the digital command of intensity are by AD
Change-over circuit, pwm circuit, Simulation scale-up, shaping circuit drive circuit composition.
5. the electrodeless electro-therapeutic apparatus of intermediate frequency described in claim any one of 1-3, it is characterised in that：
The filter rectification capacitance energy storage module, inductance, X electric capacity, Y capacitance are touched by common mode inductance, difference and absorb and filter high frequency
Noise jamming, equipment is met Electro Magnetic Compatibility, filled by rectifier bridge and pfc circuit and pressure regulation booster circuit to storage capacitor
Electricity.
6. the electrodeless electro-therapeutic apparatus of intermediate frequency described in claim any one of 1-5, it is characterised in that：
Semiconductor switch device is with the just profound ripple electric current of 1KHz-3KHz basic intermediate frequency, with 1Hz-100Hz low frequency modulations and amplitude
The mode of modulation realizes the technical parameter and clinical treatment function of common intermediate frequency electro-therapeutic apparatus.
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| CN201710668791.9A CN107469232B (en) | 2017-08-08 | 2017-08-08 | A kind of electrodeless electro-therapeutic apparatus of intermediate frequency |
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| CN201710668791.9A CN107469232B (en) | 2017-08-08 | 2017-08-08 | A kind of electrodeless electro-therapeutic apparatus of intermediate frequency |
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| CN107469232A true CN107469232A (en) | 2017-12-15 |
| CN107469232B CN107469232B (en) | 2019-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116392713A (en) * | 2023-06-09 | 2023-07-07 | 中创科瑞(北京)生物科技有限公司 | Composite wave interference treatment system and method |
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| CN107469232B (en) | 2019-11-26 |
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