CN102309813A - Electromagnetic stimulation device and method - Google Patents
Electromagnetic stimulation device and method Download PDFInfo
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- CN102309813A CN102309813A CN2010102200428A CN201010220042A CN102309813A CN 102309813 A CN102309813 A CN 102309813A CN 2010102200428 A CN2010102200428 A CN 2010102200428A CN 201010220042 A CN201010220042 A CN 201010220042A CN 102309813 A CN102309813 A CN 102309813A
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Abstract
The invention provides an electromagnetic stimulation device and an electromagnetic stimulation method. Energy stored in a magnetic field is released in a short time by using self-inductance generated by inductance when supplied current is stopped, so that electromagnetic pulse with high voltage value and high current value is output and then an organism is stimulated, wherein the directions of the current and magnetic field of a main stimulation stage are opposite to those of the input current and magnetic field; and the induced electromotive force (EMF) of the main stimulation stage is higher than that generated by input.
Description
Technical field
The present invention relates to a kind of electromagnetic stimulation device and method.
Background technology
The neural stimulus signal that is sent can be considered a kind of signal of telecommunication, utilizes each position of this stimulating electrical signal (for example organ, tissue, muscle etc.), makes corresponding position generation respective action or stops action.
Utilize electric current and changes of magnetic field machine and method now with each position of stimulating organism body; This machine is commonly referred to electrotherapeutic apparatus or electromagnetic stimulation device, and stimulates the method for animal body to be commonly referred to the electromagnetic stimulation method with electrotherapeutic apparatus or electromagnetic stimulation device.
The electromagnetic stimulation apparatus and method of Noninvasive have following two types on the market at present:
(1) utilizes electrode contact target position; Make target site produce the electrotherapeutic apparatus of electric current after the energising; Electronic acupuncture and moxibustion device (Electronic Acupuncture for example; Abbreviate as: EA), functional electrical stimulato (Functional Electrical Stimulation abbreviates as: FES) and the transcutaneous electrostimulation device (Transcutaneous Electrical Nerve Stimulation abbreviates as: TENS).This type of device is mainly used in treatment and rehabilitation.
Produce magnetic field and the untouchable electromagnetic stimulation device at stimulation target position when (2) utilizing the control electric current to flow through coil.For example (Transcranial Magnetic Stimulation abbreviates as: TMS) the transcranial magnetic stimulation device.This type of device is mainly used in and produces neural action potential, and can study neural purposes.
Above-mentioned electromagnetic stimulation apparatus and method are neither to be that instant high-voltage, the high electric current that utilizes self inductance effect (self-inductance) to produce comes the stimulating organism body.In the prior art, the preferred example of utilizing the application of self inductance effect is self inductance effect to be used for the spark ignition system of steam turbine car (Spark Ignition abbreviates as: SI).Its application can force the gap of electric arc leap cigar lighter and produce spark with reference to the circuit diagram spark ignition system of Fig. 5 when the gasoline engine compression travel, and then fire fuel.The rotating speed and the load that must cooperate engine are in the appropriate time fire fuel.
As shown in Figure 5, the circuit of spark ignition system comprises power supply 501; Be connected in the switch 502 of power supply 501; Be series at the resistance 503 of switch 502; And boost resistor 504, inductance 505, the gap 506 parallelly connected with power supply 501.Gap 506 is blanket property address, is meant that the two ends of circuit do not link to each other through any element, and for example gap 506 parts can be air.
At first make switch 502 be conducting, then power supply 501 input currents are through resistance 503, because the resistance value in boost resistor 504 and gap 506 is all much larger than the resistance value of inductance 505, so input current only flows through inductance 505 and get back to power supply 501, forms a loop.Then make switch 502 be not conducting, the electric current of the inductance 505 of then flowing through will flow through boost resistor 504 again and form loops, make the rapid rising of voltage at boost resistor 504 two ends, so in the gap 506 place's discharge generation sparks.
And existing electrotherapeutic apparatus need use electrode patch to be attached at human body surface, so effect of stimulation is only comparatively obvious at skin surface and exterior flesh.The higher electromagnetic stimulation device of frequency of utilization can stimulate the position than deep layer, but because electrode slice is attached at human body surface, if electric current is too high, possibly cause danger to human body, if electric current is low excessively, then therapeutic effect is very limited.And the field stimulation of electrode patch is merely sticking portion, and the electrical medical apparatus of therefore general domestic has only the correlation function of treatment myalgia.Although utilize implanted electrode can do the treatment of deep layer and specific part, need carry out the surgical operation implant electrode, and infection, fault possibly occur, problem such as lose.
Existing electromagnetic stimulation device needs very high supply voltage to produce high electric current, so could be effectively to brain or neural generation stimulation.If but voltage height and electric current are high, then big the and coil of power drain generates heat easily, can't use as the electrical home appliances of daily life.In addition, do not have be prone in general personage's the operation of professional technique dangerous.Further, the material cost that this kind electromagnetic stimulation device needs is high, and the volume of electromagnetic stimulation device and weight can (for example hospital) be used in special environment greatly and only too, and this can't be as the reason of daily electrical home appliances for another.
Summary of the invention
Main purpose of the present invention provides a kind of electromagnetic stimulation device and method, and it utilizes existing self inductance effect, can stimulate biology, and the volume and the weight of device of the present invention itself is less, is convenient to daily life and uses.
In the present invention; Thereby not conducting moment of utilizing contactor descends electric current rapidly causes the magnetic field collapse to cause high induction electromotive force; Utilize this electric current changes and induction electromotive force produced electric field, magnetic field and influence organism; For example analog neuron stimulates the signal of telecommunication, then can be in order to the intravital molecule of stimulating organism, organ, tissue etc.
One embodiment of the invention provides a kind of electromagnetic stimulation device, and it comprises a power-supply unit, in order to external power source rectification and filtering, to become available current; One voltage conversion unit is connected in this power-supply unit, the voltage transitions of available current is become the rated voltage of electromagnetic stimulation device; One control unit is connected in this voltage conversion unit; One energy-storage travelling wave tube is connected in this voltage conversion unit; One sense of current gauge tap, an end is connected in this energy-storage travelling wave tube, and controlled by this control unit; And an output winding, be connected in this energy-storage travelling wave tube with this sense of current gauge tap;
Wherein, The state that said sense of current gauge tap is not conducting when initial; Through controlling said sense of current gauge tap earlier is conducting; Control said sense of current gauge tap again and be not conducting, to stimulate the target site around the said output winding in producing high faradic current on the said output winding.
One embodiment of the invention provides a kind of electromagnetic stimulation method, comprises following steps: (a) power-supply unit is connected external power source, with AC rectification, the filtering with the external power source input; (b) utilize a voltage conversion unit voltage transitions to be become the rated voltage of electromagnetic stimulation device; (c) the control unit sense of current gauge tap that keeps being connected between an energy-storage travelling wave tube and the output winding is not conducting, makes the electric current with rated voltage be sent to said energy-storage travelling wave tube; (d) be conducting with this this sense of current gauge tap of control unit control; And electric current is delivered to this output winding ground connection then; To let this output winding produce induced field for the first time on every side, stimulate output winding target site generation on every side high faradic current for the first time; (e) be not conducting with this sense of current gauge tap of this control unit control, produce secondary high induced field because of the magnetic field collapse in the output winding, by this in target site generation faradic current and make the target site irriate to let.
Electromagnetic stimulation device and method of the present invention; Convert conducting, not conducting apace into through control unit control sense of current gauge tap, then can make the high induction electromotive force of mobile electric current variation causing outside the output winding between output winding and the energy-storage travelling wave tube.High induction electric potential energy causes high stimulating current in target site, and does not need very high input supply voltage.Therefore, the present invention can reduce operational hazards, reduce power consumption, dwindle volume and the weight of electromagnetic stimulation device, the material cost that minimizing is made, thereby can make the product that is fit to domestic.
Description of drawings
Fig. 1 is the block chart of an embodiment of electromagnetic stimulation device of the present invention.
Fig. 2 A and 2B are the structure chart of an embodiment of sense of current gauge tap of the present invention.
Fig. 3 is the flow chart of an embodiment of electromagnetic stimulation method of the present invention.
Fig. 4 A is voltage input and the voltage output time history plot on the output winding of an embodiment of electromagnetic stimulation device of the present invention.
Fig. 4 B is electric current input and the electric current output time history plot on the output winding of an embodiment of electromagnetic stimulation device of the present invention.
Fig. 5 is a circuit diagram of using the spark ignition system of self inductance effect in the prior art.
The main element symbol description:
101: power-supply unit; 102: voltage conversion unit;
103: control unit; 104: sense of current gauge tap;
105: energy-storage travelling wave tube; 106: output winding;
107: protecting component; 301: step;
302: step; 303: step;
304: step; 305: step;
501: power supply; 502: switch;
503: resistance; 504: boost resistor;
505: inductance; 506: the gap.
The specific embodiment
Please with reference to Fig. 1, Fig. 1 is the block chart of an embodiment of electromagnetic stimulation device of the present invention.The electromagnetic stimulation device comprises a power-supply unit 101, in order to rectification of external power source (not shown) and filtering, to become available current; One voltage conversion unit 102 is connected in this power-supply unit 101, the voltage transitions of electric current is become the rated voltage of electromagnetic stimulation device; One control unit 103 is connected in this voltage conversion unit; One energy-storage travelling wave tube 105 is connected in this voltage conversion unit 102; One sense of current gauge tap, 104, one ends are connected in this energy-storage travelling wave tube 105, and receive 103 controls of this control unit; And an output winding 106, be connected in this energy-storage travelling wave tube 105 with this sense of current gauge tap 104.The purposes of sense of current gauge tap 104 is to keep electric current to be merely one-way flow, and in the present embodiment, shown in Fig. 2 A and 2B, the structure of sense of current gauge tap 104 is a two-channel structure.Sense of current gauge tap 104 comprises a diode D1 and switch S 1 that is connected in parallel, and this control unit 103 is conducting or not conducting with this switch S 1 of control signal control.These control unit 103 these switch S 1 of control are not on-state (shown in Fig. 2 B) when initial.That is, when initial, electric current is sent to energy-storage travelling wave tube 105 and is stored in this energy-storage travelling wave tube 105.In present embodiment, energy-storage travelling wave tube 105 can be electric capacity, inductance or battery.Output winding 106 is an inductance.
After the electromagnetic stimulation device connected external power source, power-supply unit 101 was with the AC rectification of external power source supply and carry out filtering, and electric current is sent to voltage conversion unit 102 then.Voltage conversion unit 102 becomes the voltage transitions of this electric current the rated voltage of electromagnetic stimulation device.
At first, sense of current gauge tap 104 keeps not conducting, just makes electric current be sent to energy-storage travelling wave tube 105 and is stored in wherein.Then, control unit 103 control sense of current gauge taps 104 are conducting, make to be conducting state between output winding 106 and the energy-storage travelling wave tube 105, so then let electric current be sent to output winding 106 ground connection afterwards from energy-storage travelling wave tube 105.Because original electric current is zero on the output winding 106, therefore after being conducting with energy-storage travelling wave tube 105, electric current changes in time, so causes the magnetic field around the output winding 106 to change.Output winding 106 near target site, then can be utilized this changes of magnetic field and stimulates the target site around the output winding 106.
Then, control unit 103 control sense of current gauge taps 104 are not conducting, and the current spikes on the output winding 106 descends at this moment; Make the magnetic field around the output winding 106 shrink and the collapse of generation magnetic field rapidly; And then cause high induction electromotive force, and the diode D1 of this sense of current gauge tap 104 is switched on, make high-tension current be back to energy-storage travelling wave tube 105; Because the resistance of output winding 106 is very little, therefore high induction electromotive force produces high faradic current in output winding 106 again.This high faradic current can stimulate the target site around the output winding 106 once more.The present invention produces high-tension current through the mechanism of magnetic field collapse, therefore compared to prior art, can reach the effect of power saving.Between this energy-storage travelling wave tube 105 and this voltage conversion unit 102, a protecting component 107 can be set again, can't be back to this voltage conversion unit 102 in order to guarantee this faradic current.This protecting component 107 can be diode or switch.
Repeat the action of above control unit 103 control sense of current gauge taps 104, then can constantly on output winding 106, produce high faradic current, thereby constantly stimulate the target site around the output winding 106.Output winding 106 can be wound in special shape to increase focusing, for example 0 font, 8 fonts, day font, H shape, butterfly shape, spring shape or lucky grass shape etc.
The flow chart of a relevant embodiment according to electromagnetic stimulation method of the present invention is as shown in Figure 3.In step 301, power-supply unit is connected external power source, with AC rectification, the filtering of external power source input.In step 302, voltage transitions is become the available rated voltage of electromagnetic stimulation device.In addition, can on the operation interface of electromagnetic stimulation device, select the frequency, stimulating current size, duration of stimulation etc. of stimulating current.In step 303, control unit keeps sense of current gauge tap to be not conducting, makes the electric current with rated voltage be sent to energy-storage travelling wave tube.In step 304, control unit control sense of current gauge tap is conducting, then can electric current be sent to output winding ground connection then.Can let this moment output winding produce primary induced field on every side, produce faradic current and the stimulation target position with the target site around output winding.In step 305, control sense of current gauge tap be not conducting, then can let produce secondary high induced field on the output winding, once more the generation faradic current of the target site around output winding and stimulation target position.Wherein for the first time induced field and induced field in the opposite direction for the second time.For the second time high faradic magnitude of voltage and current value be greatly than the magnitude of voltage and the current value of external power source input all, and the electric current of the direction in its electric current and magnetic field and input and magnetic direction are opposite.But the time of external power source input current, the second time, high faradic stimulation time was length.In the scheduled period, continuous repeating step 304 and 305 so that the target site around the output winding constantly receives high faradic stimulation, to produce a desired effect, for example the stimulating intestine and stomach wriggling, stimulate vasoconstriction, help hyperplasia etc.
Can understand the embodiment according to electromagnetic stimulation device of the present invention with reference to Fig. 4 A and Fig. 4 B, voltage input and voltage on the output winding are exported time dependent curve, and the electric current on the output winding is imported and electric current is exported change curve in time.Input voltage and input current are about output voltage and electric current 100 times (positive and negative number different representative inputs, outputs in the opposite direction), the therefore input of certain low-voltage low current capable of using and output of high voltage and high current is provided according to the present invention.
And in order to take safety into account; The time of galvanism does not limit for the first time; But the galvanism time should be not more than 1 millisecond (ms) for the second time; The strength range of effect electric field is that 1 watt (W)/square centimeter arrives gigawatt/square centimeter, and effect magnetic field intensity scope is that 1 milli tesla (Tesla) is to 1,000 teslas.
What should explain at last is: above embodiment is only in order to technical scheme of the present invention to be described but not limit it; Although the present invention has been carried out detailed explanation with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, also can not make amended technical scheme break away from the spirit and the scope of technical scheme of the present invention and these are revised or be equal to replacement.
Claims (11)
1. an electromagnetic stimulation device is characterized in that, comprises:
One power-supply unit is in order to external power source rectification and filtering, to become available current;
One voltage conversion unit is connected in said power-supply unit, the voltage transitions of said available current is become the rated voltage of said electromagnetic stimulation device;
One control unit is connected in said voltage conversion unit;
One energy-storage travelling wave tube is connected in said voltage conversion unit;
One sense of current gauge tap, an end is connected in said energy-storage travelling wave tube, and controlled by said control unit; And
One output winding is connected in said energy-storage travelling wave tube with said sense of current gauge tap;
Wherein, The state that said sense of current gauge tap is not conducting when initial; Through controlling said sense of current gauge tap earlier is conducting; Control said sense of current gauge tap again and be not conducting, to stimulate the target site around the said output winding in producing high faradic current on the said output winding.
2. electromagnetic stimulation device according to claim 1 is characterized in that, said output winding is an inductance.
3. electromagnetic stimulation device according to claim 1 is characterized in that, said energy-storage travelling wave tube is an electric capacity, an inductance or a battery.
4. electromagnetic stimulation device according to claim 1 is characterized in that, also comprises:
One protecting component is arranged between said energy-storage travelling wave tube and the said voltage conversion unit, can't be back to said voltage conversion unit in order to guarantee said faradic current.
5. electromagnetic stimulation device according to claim 4 is characterized in that, said protecting component is a diode or a switch.
6. electromagnetic stimulation device according to claim 1 is characterized in that, said sense of current gauge tap comprises a diode and a switch that is connected in parallel.
7. an electromagnetic stimulation method is characterized in that, comprises following steps:
(a) power-supply unit is connected external power source, with AC rectification, filtering with the external power source input;
(b) utilize a voltage conversion unit voltage transitions to be become the rated voltage of electromagnetic stimulation device;
(c) the control unit sense of current gauge tap that keeps being connected between an energy-storage travelling wave tube and the output winding is not conducting, makes the electric current with rated voltage be sent to said energy-storage travelling wave tube;
(d) controlling said sense of current gauge tap with said control unit is conducting; And electric current is delivered to said output winding ground connection then; To let said output winding produce primary high induced field on every side, stimulate said output winding target site on every side to produce high faradic current for the first time; And
(e) control said sense of current gauge tap with said control unit and be not conducting, produce secondary high faradic current, stimulate the target site around the said output winding to let the collapse of in the said output winding because magnetic field.
8. electromagnetic stimulation method according to claim 7 is characterized in that, also comprises: time, frequency and the size of selecting predetermined stimulating current.
9. electromagnetic stimulation method according to claim 7; It is characterized in that; Said secondary high faradic stimulation time is not more than 1 millisecond; Effect electric field intensity scope is 1 watt/square centimeter and arrives gigawatt/square centimeter that effect magnetic field intensity scope is 1 thousand teslas of milli tesla to.
10. electromagnetic stimulation method according to claim 7 is characterized in that, the electric current of said secondary high faradic electric current and the more said external power source of magnitude of voltage and magnitude of voltage are high.
11. electromagnetic stimulation method according to claim 7 is characterized in that, electric current is sent to more said secondary high faradic persistent period of persistent period of said energy-storage travelling wave tube for long.
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| CN2010102200428A CN102309813A (en) | 2010-07-01 | 2010-07-01 | Electromagnetic stimulation device and method |
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| CN2010102200428A CN102309813A (en) | 2010-07-01 | 2010-07-01 | Electromagnetic stimulation device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933648A (en) * | 2014-03-26 | 2014-07-23 | 北京雅果科技有限公司 | Diaphragm muscle stimulation inspiration and expiration system |
| CN106823133A (en) * | 2017-04-07 | 2017-06-13 | 博睿泰克科技（宁波）有限公司 | Electrical transcranial stimulation and trans-skull magnetic stimulating device based on electrode |
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| EP0601545A2 (en) * | 1992-12-08 | 1994-06-15 | Electro-Biology, Inc | Improved electromagnetic bioresponse by selective spectral suppression, in pulsed field stimulation |
| CN101234233A (en) * | 2008-01-29 | 2008-08-06 | 武汉依瑞德医疗设备新技术有限公司 | Transcranial magnetic field stimulator stimulus strength modulating method and device therefor |
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2010
- 2010-07-01 CN CN2010102200428A patent/CN102309813A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601545A2 (en) * | 1992-12-08 | 1994-06-15 | Electro-Biology, Inc | Improved electromagnetic bioresponse by selective spectral suppression, in pulsed field stimulation |
| CN101234233A (en) * | 2008-01-29 | 2008-08-06 | 武汉依瑞德医疗设备新技术有限公司 | Transcranial magnetic field stimulator stimulus strength modulating method and device therefor |
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| 冯亮等: "经颅磁刺激引导源的设计", 《仪器仪表学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933648A (en) * | 2014-03-26 | 2014-07-23 | 北京雅果科技有限公司 | Diaphragm muscle stimulation inspiration and expiration system |
| US10463817B2 (en) | 2014-03-26 | 2019-11-05 | Yaguo Inc. | Intelligent bionic expectoration system |
| CN106823133A (en) * | 2017-04-07 | 2017-06-13 | 博睿泰克科技（宁波）有限公司 | Electrical transcranial stimulation and trans-skull magnetic stimulating device based on electrode |
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Application publication date: 20120111 |