Invention content
In view of above-mentioned analysis, the present invention is intended to provide a kind of head-type brain electric stimulating instrument and its electrical stimulation method, are usedTo solve the problems, such as that existing brain electric stimulating instrument is strongly professional, volume is larger, using cumbersome.
The purpose of the present invention is mainly achieved through the following technical solutions：
A kind of head-type brain electric stimulating instrument, including control module, fixed module and electrode module, the control module controlThe electrode module is made, the fixed module is connected with the electrode module, and the electrode module is fitted tightly over foreheadPortion position to be measured.
The present invention has the beneficial effect that：Fixed module can be tight by electrode module in head-type brain electric stimulating instrument of the present inventionClose to be fitted in frons position to be measured, compared with stent-type fixed form in the prior art, the present invention fits closely mode energyContact impedance is enough reduced, is conducive to test.
On the basis of said program, the present invention has also done following improvement：
Further, the control module includes control chip unit, power control unit, voltage amplification unit, waveform turnUnit and output control unit are changed, the control chip unit controls the power control unit, the power control unit pointIt is not connected with the output control unit by the voltage amplification unit and the waveform converting unit.
Advantageous effect using above-mentioned further scheme is：Power control unit of the present invention passes through voltage amplification unit respectivelyIt is connected with waveform converting unit with output control unit, can ensures that two kinds of electrical stimulus patterns of the present invention are normally carried out.
Further, the control module further includes detection feedback unit, and the detection feedback unit controls the outputThe output signal of unit feeds back to the control chip unit.
Advantageous effect using above-mentioned further scheme is：Detection feedback unit is arranged in the present invention, can monitor in real time defeatedGo out electric current and voltage status, ensures the normal therapeutic of head-type brain electric stimulating instrument, reach stablizing effect.
Further, the control module further includes parameter set unit, power supply unit and display alarm unit, the ginsengNumber setting unit, power supply unit and display alarm unit are connected with the control chip unit respectively.
Said units are arranged in the present invention, can ensure to be attached between each component and extraneous hardware, ensure head-type brainThe test accuracy of portion's electric stimulating instrument.
Further, the head-type brain electric stimulating instrument further includes shell, and the control module is embedded in the shellInterior, the electrode module is fixed on the control module, and the electrode surface of the electrode module is exposed to outside the shell.
The shell of head-type brain electric stimulating instrument of the present invention can prevent the control module of enclosure interior impaired, and can protectDemonstrate,prove tester's safety.
Further, switch button, current strength button, indicator light and loudspeaker, the switch are provided on the shellButton, current strength button, indicator light and loudspeaker are connected with the control chip unit respectively.
Button, indicator light and loudspeaker are arranged in the present invention on shell, can ensure that head-type brain electric stimulating instrument is usingWhen convenience.
Further, the fixed module is connected with the both sides of the shell respectively, and the length of the fixed module is adjustable.
The both sides of fixed module and shell are attached by the present invention, can ensure that the electrode module being fixed on shell is tightIt is close to be fitted in position to be measured；And the length of fixed module is adjustable, further ensures that electrode module is fitted tightly over position to be measured.
A kind of electrical stimulation method of head-type brain electric stimulating instrument, includes the following steps：
Step 1. carries out infiltration processing to electrode module；
The head-type brain electric stimulating instrument is worn on user head by step 2., and the electrode module is directed at brainPortion position to be measured, is fastened by the fixed module；
Step 3. selects electrical stimulus patterns, and electro photoluminescence is proceeded by after setting stimulation parameter and stimulation time.
Infiltration processing in the above-mentioned electrical stimulation method of the present invention is in order to reduce contact impedance, convenient for test；Electricity of the inventionStimulating method is simple, and simple operation has a significant effect.
Further, in the step 3, the electrical stimulus patterns are galvanic current stimulation, the electric current of the galvanic current stimulationIntensity is 0.5mA~2mA, and electric stimulating time is 10min~30min.
Select galvanic current stimulation mode that can greatly improve the effect that cognition improves in the present invention.
Further, in the step 3, the electrical stimulus patterns are frequency difference electro photoluminescence, the electric current of the frequency difference electro photoluminescenceIntensity is 0~2mA, and frequency difference size is 0.1~30Hz, and electric stimulating time is 10min~30min.
Select frequency difference electrical stimulus patterns that can promote the deep sleep of human brain in the present invention, and frequency difference electrical stimulus patterns canIt is stimulated directly through skull, it is with obvious effects.
Beneficial effects of the present invention are：
(1) a kind of head-type brain electric stimulating instrument of the present invention carries out electro photoluminescence for frons, can directly activate foreheadThe enhancing to cognitive function, and the purpose for the treatment of neurodegenerative disease and mental disorder are realized in the nervous activity of leaf；AndCurrent electrical stimulation apparatus is only for top, mastoidea and temple, although these positions can also play certain therapeutic effect,It is that but can not directly stimulate prefrontal lobe；The present cognitive function studied discovery prefrontal lobe and be related to planning complexity, and forehead blade backOutside cortex is to implement one of most important region of cognitive control；Therefore, directly stimulating region herein can be substantiallyThe effect that cognition improves is improved, and since this region hair is less, implementation can be facilitated to treat, be conducive to user in everyday homeIt is used in life；
(2) electrode is strapped in frons by the present invention using headband mode, effectively electrode can be made to be come into full contact with scalp,It not only reduces contact impedance but also is not easy to slide；When carrying out electrical transcranial stimulation, contact impedance is a very important factor,The too big therapeutic effect that do not only result in then of contact impedance is bad and cause local potential's difference larger, will produce and keenly feels and burn skinSkin, it is serious skin to be caused to burn；Previous invention mostly uses the form of elastic support or resilient clamp bodies, this form byNot enough cause contact not close in pressure, the detection of brain electricity or the situation that electric current is small is can only be used to, in the direct current of larger currentIt is then not suitable under electricity；
(3) head-type electric stimulating instrument of the present invention is by circuit box, battery case, and headband composition is boosted using boost chipSo that device structure is simple, when use, can directly wear, and patient can be operated oneself, easy to clean and renewal part, using fillingElectric battery powered is safer；Existing invention spininess uses the medical institutions such as hospital, needs medical staff first by two plate electrodesIt is fixed on head different location, then the band that is fastened, then reconnects electric wire and power supply, this operation is very cumbersome, greatlyLimit the popularization and use of electrical transcranial stimulation.
It in the present invention, can also be combined with each other between above-mentioned each technical solution, to realize more preferred assembled schemes.ThisOther feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious andIt is clear to, or understand through the implementation of the invention.The purpose of the present invention and other advantages can by write specification, rightSpecifically noted structure is realized and is obtained in claim and attached drawing.
Specific implementation mode
Specifically describing the preferred embodiment of the present invention below in conjunction with the accompanying drawings, wherein attached drawing constitutes the application part, andIt is used to illustrate the principle of the present invention together with embodiments of the present invention, be not intended to limit the scope of the present invention.
The specific embodiment of the present invention, discloses a kind of head-type brain electric stimulating instrument, as shown in Figure 1, including solidDetermine headband 1, adjusting buckle 5, circuit box 2, battery case 3 and electric wire 4, adjusting buckle 5 is mounted on gland band 1, circuit box 2 and batteryBox 3 is connected by electric wire 4, and circuit box 2 is installed in battery case 3 on gland band 1；
Gland band 1 by with one fixed width elastic band or elastic insulated rubber be made, the effect of gland band 1 is to protectCard head-type brain electric stimulating instrument is fitted closely during electro photoluminescence with the test position of human body head, while for pacifyingFill circuit box 2 and battery case 3；Gland band 1 in the present invention is not limited in elastic band or elastic insulated rubber, as long as canMeet head-type brain electric stimulating instrument to fit closely with frons during normal electro photoluminescence, and good with insulation, elasticityFeature；
Circuit box 2 is mounted on gland band 1, various with the connection type of gland band 1, can be using hookMode can also be by way of snap-fastener；It is dismountable between circuit box 2 and gland band 1；2 inside installation of circuit boxHave an electro photoluminescence circuit, structure includes electrode layer 6, circuit board 7 and circuit box shell 8, circuit board 7 be fixed on electrode layer 6 withBetween circuit box shell 8, electrode layer 6 is connected with circuit board 7, and circuit board 7 is embedded into circuit box shell 8, is specifically shown in Fig. 2；ElectricityRoad box shell 8 is the shell structure of one end open, and electrode layer 6 and circuit board 7 are fixed on 8 open end side of circuit box shell；ElectricityRoad box shell 8 is equipped with button and speaker hole, and the effect of button is to control the beginning and closing of electro photoluminescence, and the effect of speaker hole isPlaying alert tones；Button in the present invention is not limited only to one kind, as long as disclosure satisfy that beginning and the closing function of control electro photoluminescenceCan；
Battery case 3 is also mounted on gland band 1, connection type and circuit box 2 and gland band with gland band 1Connection type between 1 can be identical, can not also be identical, as long as disclosure satisfy that its fixed mode；Battery case 3 it is interiorPortion is equipped with battery and related support section, including electrode layer 6, battery 9, cell box shell 10 and cathode circuit part, battery 9And cathode circuit part is fixed between electrode layer 6 and cell box shell 10, is connected between cathode circuit part and electrode layer 6,Battery 9 and cathode circuit are partly embedded in cell box shell 10；The effect of battery 9 is powered for electric stimulating instrument；Outside battery caseShell 10 is equipped with LED light and button, and the effect of LED light is to show the working condition of electric stimulating instrument, when LED light is bright, electro photoluminescenceInstrument is in running order, and when LED light does not work, electric stimulating instrument is in off position；The effect of button is control electro photoluminescenceIntensity, the present invention in button can also be rotation pushbutton type, be not limited only to one kind；It is noted that the electricity in the present inventionPond 9 is the form of rechargeable battery or Demountable button battery；
Circuit 4 is for the connection between battery case 3 and circuit box 2, convenient for being normally carried out for test；
Adjusting buckle 5 is fixed on gland band 1, the elasticity for adjusting gland band 1；To gland band in the present invention1 mode being adjusted is not limited in a kind of adjusting buckle 5 this form, can also be by velcro or snap-fastener or other are adjustableThe mode of section, as long as disclosure satisfy that the test position that gland band 1 is fitted tightly over to tester；
Electrode layer 6 is conductive rubber electrode or textile electrode, other flexible electrode materials, electrode layer 6 can also be selected to pacifyMounted in the inside of circuit box 2 and battery case 3, towards human brain；In the present invention structure of electrode layer 6 can there are many, the present invention rowThe structure of four kinds of electrode layers 6 is lifted, still, the present invention is not limited to this；As shown in Figure 3,4, it is the first electrode of the present inventionLayer, the first electrode layer be plane electrode, surface do not have it is any raised or sunken, this electrode use it is more comfortable,And cleaning is got up fairly simple, is relatively specific for that hair is less, the higher frons region of flatness；As shown in Figure 5,6, it is thisSecond of electrode layer of invention, second of electrode layer are concave electrodes, and multiple small cavities, this structure are equipped in electrode layer surfaceElectrode layer be conducive to store amount of conductive liquid or conductive paste, and then reduce contact impedance, and can ensure electrode layer and foreheadPortion fits closely；As shown in Figure 7,8, it is the third electrode layer of the present invention, the third electrode layer is convex surface electrode, in electrodeLayer surface is equipped with multiple kicks, and the electrode layer of this structure is conducive to squeeze bed course, make conduction liquid of the infiltration in bed course orConductive paste flows out, and to reduce contact impedance, this structure is relatively specific for the region more than hair；As shown in Figures 9 and 10, it is this4th kind of electrode layer of invention, the 4th kind of electrode layer are pole, and multiple small teeth are equipped in electrode layer surface, this structureElectrode layer is conducive to be deep into inside hair, is contacted with scalp, reaches higher electrical stimulating effect；
Figure 11 is the electro photoluminescence area schematic of head-type brain electric stimulating instrument of the present invention, according to standard 10-20 brain areas systemSystem is divided, and 11 stimulation areas are symmetrical two regions of frons, and 12 stimulation areas are the region among eye socket top and brain top,According to 10-20 systems, left side is the areas F3, and right side is the areas F4；It behaves the electro photoluminescence position of head-type brain electric stimulating instrument of the present inventionThe left and right frons of brain, the positions F3 and F4, left and right overhead, when use, can stimulate symmetrical two positions simultaneously, also may be usedOne electrode is set as anode, another electrode, which is set as cathode, to be stimulated.
As shown in figure 12, it is the operation principle schematic diagram of head-type brain electric stimulating instrument of the present invention, including power supply unit, ginsengNumber setting units, control chip unit, prompt alarm unit, power control unit, voltage amplification unit, waveform converting unit,Output control unit, monitoring feedback unit；Wherein：User can as needed be adjusted the parameter of parameter set unit, adjustParameter after whole is sent to control chip unit, and control chip unit inputs anti-according to the parameter and monitoring feedback unit of inputFeedback signal is handled, then by prompting alarm unit to send out alarm, key instruction or prompt light；If parameter is set asIt starts to work, then controls the instruction that chip unit sends out start-up operation to power control unit, output provides in power bracketElectric current activates voltage amplification unit if parameter is set as galvanic current stimulation, and voltage is carried out to the electric current of higher level's electric current outflowThen amplification flows into output control unit, output control unit has valve function, if inflow current or voltage are more than specifiedValue, then open circuit and error signal is sent to monitoring feedback unit；Activation waveform turns if parameter is set as frequency difference electro photoluminescenceChange power supply, waveform conversion carried out to the electric current that higher level flows into, be respectively converted into the electric currents of two kinds of frequencies of regulation frequency difference respectively intoRow output, output control unit is filtered the electric current of both frequencies, and open circuit is simultaneously if voltage or electric current overrateError signal is sent to monitoring feedback unit.
It is MSP430F5152IRSBR microcontrollers to control chip used in chip unit, and effect is under preset parameterElectrical stimulation signal is adjusted, and electrical stimulation signal is adjusted in real time according to the feedback signal that monitoring feedback circuit is sent；
Parameter set by parameter set unit includes the pattern of stimulated current, including：Galvanic current stimulation and frequency difference electricity thornSwash, correspond to galvanic current stimulation can setting electric current intensity be 0.5mA, 1mA, 2mA, the electro photoluminescence duration be 10min, 20min,30min；Corresponding to frequency difference electro photoluminescence can setting electric current intensity between 0-2mA, frequency difference size is between 0.1-30Hz；It is worth noteMeaning, different current strength can be stimulated according to the difference of user's tolerance degree and purposes, and different frequency differences is availableIt is stimulated in the brain wave frequency for simulating different；
Power supply unit is powered for head-type brain electric stimulating instrument, mainly uses rechargeable type lithium battery or Demountable buttonBattery is powered；
Monitoring feedback unit can monitor output current and voltage；Very greatly due to the variation of the contact impedance of human body and electrode,It can be changed within the scope of zero to tens of thousands of ohm according to the difference of conductive paste, pressure, the factors such as skin, if contact impedance is smaller and electricFlow larger, it will cause skins to burn, and contact impedance is larger, and electric current can be caused too small, and therapeutic effect is not achieved, thereforeOutput current and voltage status are monitored using monitoring feedback unit in real time；
The major function of prompt alarm unit is display equipment work transition, and operation is reminded using the color of LED lightingThe working condition of person's equipment, and using the sound of loudspeaker, guiding user operates, and reminds user's electro photoluminescence situation；Acousto-optic carriesAwake opening and closing can be turned on and off by the cell phone application software being connected with equipment bluetooth.
Voltage amplification unit is completed using boost chip, model：AS1340A-BTDT-10；Boost chip needs numberPotentiometer is used cooperatively, related illustrative circuitry such as Figure 13, changes E in microcontroller 16, and the input signal that 2 points of F is believed according to inputNumber variation, microcontroller output voltage changes, and leads to A in digital regulation resistance 15, the change of B point-to-point transmission resistance, this resistanceChange can cause the output pulse width of boost chip 13 to change, and finally cause to export human body equivalent resistance 14 both ends C, DThe raising of point-to-point transmission voltage, which exports the voltage of 0-50V according to different human body resistances, and then output current intensity isThe electric current of 0.5-2mA.
In one particular embodiment of the present invention, head-type brain electric stimulating instrument is controlled using galvanic current stimulation patternIt treats.When the head-type electric stimulating instrument of the present invention carries out electro photoluminescence using direct current to brain, it is first to prepare for work, is usedSalting liquid infiltrates electrode or smears conductive paste in test position, and then user wears this product, by adjusting buckle 5 by elasticityIt is adjusted to suitable position, circuit box 2 and 3 interior electrode layer 6 of battery case are respectively aligned to forehead portion both sides or F3 and the parts F4,By the correspondence set of options DC parameter (size of current and stimulation time) in cell phone application, the button on battery case is clicked, is openedDynamic equipment plays guiding sound, and boost chip, which is started to work, carries out electro photoluminescence, is played after electro photoluminescence and terminates prompt tone；ThisInvention head-type brain electric stimulating instrument combination galvanic current stimulation mode, the current potential that can be directly changed inside and outside cell membrane enhance brainCognitive ability is reached with obvious effects using galvanic current stimulation mode.
Among another embodiment of the invention, head-type electric stimulating instrument carries out brain using frequency difference electrostimulationElectro photoluminescence is first to prepare for work, infiltrates electrode using salting liquid, then user wears this product, will be loose by adjusting buckle 5Tightness is adjusted to suitable position, and circuit box 2 and 3 interior electrode layer 6 of battery case are respectively aligned to forehead portion both sides or F3 and F4Part is exchange stimulation by the correspondence set of options in cell phone application, and sets stimulation parameter, and frequency difference is set as 2Hz, electric currentIntensity is set as 1mA, and stimulation time is set as 20min, clicks the button on circuit box, and starting device plays guiding sound, defeatedGo out the alternating current that current strength is 1mA, wherein 2 medial electrode of circuit box exports 2002Hz electric currents, and 3 medial electrode of battery case is defeatedGo out 2000Hz electric currents.After adjusting, start suitable electro photoluminescence, the electro photoluminescence of both frequencies can generate in cranium brain to be doneIt relates to, generates the electric current of 2Hz, the frequency (range 0.5-3HZ) of this and human brain δ waves is coincide, and can promote human brain by this methodDeep sleep；Head-type brain electric stimulating instrument combination frequency difference electrostimulation of the present invention stimulates brain, can pass through skullIt is stimulated, with obvious effects, penetrability is good, can be obviously promoted the deep sleep of human brain, and there is no will frequency in the prior artPoor electrostimulation is combined use with head-type brain electric stimulating instrument.
It is noted that parameter set in above-mentioned two embodiment is merely to illustrate application method, but do not limit thisThe stimulation parameter of setting.
It is noted that electro photoluminescence position is the left and right frons of human brain, the positions F3 and F4, the left and right crown in the present inventionPortion, when use, can stimulate symmetrical two positions simultaneously, also can an electrode be set as anode, another electrode is set as cloudyPole is stimulated；According to the alternating current of the frequency difference electro photoluminescence then output of the electric stimulation one 1k-10kHz, another electricityPole exports the alternating current that 1-20Hz is differed with the former on this basis, and the two can form interference phenomenon in cranium brain, to generateLow-frequency current (1-20Hz) is to influence brain；Electrode layer 6 is in moderately moistening or after smearing conductive paste, before being comfortably attached toForehead；Electrode has a pair, and it is cathode that one can be set when carrying out galvanic current stimulation, which is one, anode,；Carrying out other typesAn electrode can also be used only when electro photoluminescence and carry out electro photoluminescence, another electrode is grounded；It is carried out using two electrodesWhen stimulation, ground connection operation is carried out at mastoidea or shoulder or the bicipital muscle of arm after the ear of optional patient.
Head-type brain electric stimulating instrument is compared with other types electrical stimulation apparatus in the prior art in the present invention, advantageFor：
First, electrical stimulation apparatus in the prior art is to carry out electro photoluminescence, this field for top, mastoidea and templePersonnel know carries out electro photoluminescence to these positions, although certain therapeutic effect can be played, but before can not directly stimulatingFrontal lobe, because the function corresponding to different brain areas is different, corresponding current strength form is also different, if using needleThe equipment for carrying out electro photoluminescence to top, mastoidea and temple stimulates prefrontal lobe, cannot be satisfied to the direct of prefrontal lobeStimulation, cannot also reach therapeutic effect；And the head-type brain electric stimulating instrument in the present invention, it is carried out aiming at frons straightElectro photoluminescence is connect, the present invention is thought deeply from another angle, and reverse thinking prepares head-type brain electric stimulating instrument, toAchieve the purpose that treat neurodegenerative disease and mental disorder, meanwhile, it is multiple that existing research finds that prefrontal lobe is related to planningMiscellaneous cognitive function, and cortex is to implement one of most important region of cognitive control on the outside of forehead blade back, therefore, institute in the present inventionThe head-type brain electric stimulating instrument of offer can directly stimulate region herein, can greatly improve the effect that cognition improvesFruit；And since this region hair is less, implementation can be facilitated to treat, be conducive to user and used in everyday home life；
Second, the present invention in head-type brain electric stimulating instrument during electro photoluminescence can use direct current, can also makeWith alternating current, and when using direct current, needs to ensure electrode layer being bonded with the abundant of scalp and closely, not only reduce connecingIt touches impedance and is not easy to slide, one skilled in the art will appreciate that when carrying out electrical transcranial stimulation, contact impedance is one very heavyThe factor wanted, the too big therapeutic effect that do not only result in then of contact impedance is bad and cause local potential's difference larger, will produce painAnd skin is burnt, it is serious skin to be caused to burn；And electrical stimulation apparatus in the prior art, mostly with elastic support or elastic clipThe form of body is held, this form causes contact not close since pressure is inadequate, can only be used to brain electro-detection or the small feelings of electric currentCondition is then not suitable under the direct current of larger current, and the present invention is not only to be applicable under larger current, but also can ensure closeContact；Meanwhile the present invention is stimulated using frequency difference electrostimulation, can promote the deep sleep of human brain, in the prior art withoutPeople used such method to test；
Third, the present invention in head-type brain electric stimulating instrument structure it is simple, where applicable can directly be worn, and patient oneself isIt is operable, easy to clean and renewal part, using rechargeable battery powered safer；And existing equipment is to be directed to hospital mostlyEqual medical institutions use, and need medical staff that two plate electrodes are first fixed on head different location, then the band that is fastened, then againElectric wire and power supply are connected, this significantly limits the popularization and use of electrical transcranial stimulation.
In conclusion a kind of head-type brain electric stimulating instrument of present invention offer and its electrical stimulation method, head-type of the present inventionBrain electric stimulating instrument is simple in structure, easy to operate, easy to carry, and head-type brain electric stimulating instrument of the present invention is in electro photoluminescence processIn can use direct current, can also use alternating current, two kinds of electrical stimulus patterns can be according to the tolerance degree and use of userThe difference on way carries out different current strength stimulations, ensures that head-type brain electric stimulating instrument carries out the stimulation of various ways.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,It should be covered by the protection scope of the present invention.