CN208865038U - It is a kind of for the portable through cranium galvanic current stimulation system of pain therapy - Google Patents

Abstract

The utility model relates to a kind of for the portable through cranium galvanic current stimulation system of pain therapy, including controller, and the main electrode and reference electrode being electrically connected with the controller, the main electrode includes multiple conductive metal needles for exporting stimulated current, the reference electrode is used to constitute current loop with the main electrode, and the main electrode and reference electrode are dry electrode.

Description

It is a kind of for the portable through cranium galvanic current stimulation system of pain therapy

Technical field

The utility model relates to medical instruments fields, and in particular to a kind of for the portable through cranium direct current of pain therapy Stimulating system.

Background technique

Pain is the impression in the undesirable feeling of one kind and mood.Strong or long-term pain can seriously affect people Quality of life.Therefore, just especially always to the treatment of pain.Main treatment and lenitive mode are using only at present Pain medicine.But since it is to the side effect of body harm and potential addicted risk, patient and doctor are also seeking always other and are having The therapeutic modality of effect.

It is a kind of non-through cranium galvanic current stimulation (transcranial direct current stimulation, tDCS) Intrusive brain stimulation mode, which adjust brain activity by transmitting faint constant current on scalp.It grinds Study carefully the cognition enhancing for showing that tDCS can be used for Healthy People, the improvement of upper extremity function and memory disorders after patients with cerebral apoplexy apoplexy, And the treatment of Parkinson's disease, Alzheimer's disease, schizophrenia, depression and chronic ache.Only due to its side effect Be limited to paste electrode place can feel slight shouting pain, local skin may redden, and seldom have a headache, also in no way twitch or The phenomenon that damage memory.Therefore, tDCS provides a kind of mode effectively and safely that can be used for treating pain.

At present still without for tDCS equipment designed by pain therapy.And existing tDCS equipment is usually using by conduction Electrode cap made by gel or the wet electrode impregnated with physiological saline stimulates brain, due to liquid have it is volatile And flowable characteristic, the problem of cleaning scalp can be brought to user, for every time using terminating the cleaning of equipment itself also very It is cumbersome, also, on the one hand cause user for a long time in use, gel or physiological saline can gradually dry out, cause electrode to generate The characteristic of stimulated current change, so that tDCS equipment is unable to maintain that stable stimulated current, reduce the treatment effect of tDCS Fruit；On the other hand it is difficult to ensure that gel or physiological saline can be distributed on user's scalp specific effective stimulus region, thus nothing Method guarantees stimulation of the tDCS to specified brain area.This also results in existing tDCS equipment and generates very in terms of user's autonomous operation Big limitation.

Accordingly, it is desirable to a kind of portable tDCS equipment for pain therapy, can accurately determine be can produce only The head cortex position of pain effect, and the stabilization stimulated current that can effectively treat pain is provided.

Summary of the invention

The utility model provide it is a kind of for pain therapy through cranium galvanic current stimulation system, can be implemented effectively and speedily It relieves pain, improves the quality of life of patient.The utility model mainly includes stimulated current controller, and with the controller The main electrode and reference electrode being connected, it is preferred that the main electrode includes multiple conductive metals for exporting stimulated current Needle, the reference electrode are used to constitute current loop with the main electrode, and the main electrode and reference electrode are dry electrode.

Preferably, the conductive metal needle is the scalable conductive metal needle with spring.

Preferably, the main electrode further includes the circuit board for connecting ontology and being fixedly connected with the connection ontology.

Preferably, the scalable conductive metal needle includes probe tube, spring, necking down ring and push rod.

Preferably, the reference electrode includes conductive metal sheet.

Preferably, the conductive metal sheet surface mount has conductive film.

Preferably, the electric stimulation further includes the elastic webbing with velcro, and the elastic webbing is used for the master Electrode and reference electrode are fixed on designated position.

Preferably, the controller uses programmable integrated circuit element, can detecte stimulated current intensity and by pre- Program is determined to guarantee to export constant current, and the stimulated current of the main electrode can be adjusted by knob-operated.

Preferably, primary motor cortex (primary motor cortex, M1) is the common target area of tDCS regulation pain, Anode excitation is carried out to it has raising pain threshold, reduces the effect of pain perception.Therefore in order to reach the mesh for the treatment of pain , the main electrode is arranged on the primary motor cortex (position C3/C4 defined with international brain electricity 10-20 system of user's head Set), the reference electrode is arranged on the top of the user eye socket opposite with the primary motor cortex.

Master through cranium galvanic current stimulation system, by utilization with spring provided by the utility model for pain therapy Electrode carries out electric current stimulation to user's scalp, and convenient disassembly is easy to clean, and any position on head can be arranged according to user demand It sets；Spring structure can guarantee the close contact of main electrode and scalp, so that stimulated current keeps stablizing, stimulation sites keep solid It is fixed；Easy to operate on the whole, easy to carry, user helps oneself just to can be used without other people, and experience property is good；It is fixed by electrode After the scalp location that pain patients are specified, through electronic stimulation after a period of time, there is significant remission effect to pain.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model preferred embodiment.

Fig. 2 is the structure chart of the controller of the utility model preferred embodiment.

Fig. 3 is the conductive film structure figure of the utility model preferred embodiment.

Fig. 4 is the structural schematic diagram of the probe of another embodiment of the utility model.

Fig. 5 is the cross-sectional view of the extensible probe of another embodiment of the utility model along its length.

Fig. 6 is the control system flow chart of the utility model preferred embodiment.

Fig. 7 is wearing schematic of patient when using Portable pain therapeutic equipments.

Fig. 8 is that true and false stimulation group uses the pain degree VAS comparison chart before and after electric stimulation.

Description of symbols:

1, main electrode；2, reference electrode；3, elastic head band；4, elastic head band；5, controller；6, conductive film；

20, ontology is connected；30, circuit board；60, extensible probe；8, probe tube；9, spring；12, push rod；81, necking down Ring；10, connecting rod；11, gag lever post；101, limiting section.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, pass through tool below in conjunction with attached drawing The utility model is further described in body embodiment.

Fig. 1 is the structural schematic diagram of the utility model preferred embodiment, as shown in Figure 1, provided by the utility model be used for Pain therapy includes: main electrode 1, reference electrode 2, elastic webbing 3 and elastic webbing 4 through cranium galvanic current stimulation system, wherein main electricity Pole 1 is made of conductive metal spring needle, for stimulating scalp relevant position；Reference electrode 2 is conductive metal sheet, with main electrode structure At current loop；Main electrode 1 and reference electrode 2 are all dry electrodes；There is velcro, for main electrode 1 is fixed on elastic webbing 3 In user's head designated position；There is velcro, for reference electrode 2 to be fixed on user's head designated position on elastic webbing 4. By using above structure, it is ensured that each syringe needle of main electrode 1 is contacted with the scalp of user's head designated position, and It is not influenced by hair, sweat or dust grease etc..

Fig. 2 is the controller schematic diagram of the utility model preferred embodiment, as shown in Fig. 2, controller 5 includes switch, rotation Button and port.Wherein, switch is used to open or closes electric stimulation；Port is for being inserted into conductor wire, to connect control Device 5 and main electrode 1 and reference electrode 2；Knob can switch to different location, for adjusting size of current, to control main electrode 1 Electro photoluminescence user's head adjusts irritation level.Preferably, the adjustable current range of controller 5 is 0mA to 4mA.Controller 5 can be powered using dry cell or rechargeable battery, or be directly connected to power supply by power port, using Alternating Current Power Supply.

Fig. 3 is the conductive film schematic diagram of the utility model preferred embodiment, as shown in figure 3, conductive film 6 has viscosity, it can It is pasted onto 2 outer surface of reference electrode, to prevent the conductive metal sheet of reference electrode 2 in user's use process from directly connecing with skin Touching, is also convenient for the cleaning of equipment.

In another embodiment of the utility model, above-mentioned main electrode 1 and reference electrode 2 can also be consolidated in other ways It is scheduled on user's head, for example, main electrode 1 and reference electrode 2 can use, such as velcro using a kind of knitting wool hat type helmet, It is fixed on any position on the inside of the helmet, when user wears the helmet, effect same as the previously described embodiments may be implemented.

In another embodiment of the utility model, above-mentioned main electrode 1 is a kind of scalable conductive spy with spring Head, for example, Fig. 4 is the structural schematic diagram of another embodiment of the utility model, as shown in figure 4, one kind can be used for above-mentioned electro photoluminescence The scalable conductive probe of system, the probe include the circuit board 30 for connecting ontology 2 and being fixedly connected with the connection ontology 20, and Extensible probe 60.

Wherein, scalable conductive probe 60 includes for example, Fig. 5 is the section view of extensible probe 60 along its length Figure, as shown in figure 5, tubular probe tube 8, spring 9 and push rod 12 in probe tube 8；The wherein inside of probe tube 8 Wall does not set a necking down ring 81 annular in shape, and push rod 12 includes connecting rod 10 in the shape of a rod, and connecting rod 10 passes through knot neck ring 81, in connecting rod A limiting section 101 and gag lever post 11 in the shape of a rod are not set respectively in 10 both ends.Consolidate when by the main electrode 1 of the extensible probe 6 When being scheduled on human brain, using 9 retractility of spring, it is in close contact main electrode 1 and human brain scalp, is guaranteed in electric stimulation In use process, the transmission stimulated current that main electrode 1 can be stable, and accurately irritate related parts of human body.

Fig. 6 is the control system flow chart of the utility model preferred embodiment, as shown in fig. 6, to use battery case to power Controller 5 for, after user sets stimulated current size by the knob on controller 5 (S10), main electrode is according to above-mentioned Setting output stimulated current (S20).It being influenced by factors such as human skin states, different user has different human body impedances, Therefore, will lead to practical function has difference between the stimulated current and setting electric current of user's head, in view of the above-mentioned problems, control Device 5 processed has used programmable integrated circuit element, is detected (S30) to practical function in the stimulated current of user's head, and According to the practical stimulation current strength detected, using the stimulated current (S40) of preset program adjustment reality output, to make defeated Constant current hold out.

Another embodiment according to the present utility model, above-mentioned electric stimulation can also include communicating to connect with controller 5 Intelligent terminal and server, the intelligent terminal can collect, be controlled using the subscriber identity information of the therapeutic equipment, user's use The current data of therapeutic equipment and user use when the therapeutic equipment for evaluating the visual simulation amount of pain intensity variation when treating instrument Table (VAS), and it is uploaded to server storage, long-term Health database is established for user, so as to user's use.

Utility model people has the patient of chronic back pain for multidigit, using provided by the utility model through cranium direct current Stimulating system has carried out clinical research, and Fig. 7 is wearing schematic when user states Portable pain therapeutic equipments in use, such as schemes Shown in 7, the main electrode 1 with metal spring needle is placed on primary motor cortex (M1) as positive (anode) to pierce Swash, reference electrode 2 is then placed on Second eye frame to constitute current loop.

In the course of the research, 51 patient's stochastic averaginas with chronic back pain are divided into true stimulation group and false stimulation group, It is treated using the tDCS that above-mentioned electric stimulation carries out the every patient in true stimulation group 20 minutes, stimulation location is primary fortune Dynamic cortex, stimulated current are set as 2mA；To the every patient in false stimulation group, using stimulation unit identical as true stimulation group patient Position, but above-mentioned electrical stimulation apparatus is only opened, when the scalp of patient experiences faint excitement, it is momentarily turned off, whole process 20 seconds are lasted about, therefore the every patient in false stimulation group can't really receive tDCS treatment.

In order to assess the above-mentioned therapeutic effect through cranium galvanic current stimulation system to chronic back pain, the patient of true and false stimulation group exists Receive before and after treatment, according to feeling the visual analogue scales (VAS) recorded for assessing pain degree.Fig. 8 is true and false thorn Swash group and compare chart using through the pain degree VAS before and after cranium galvanic current stimulation system, as shown in figure 8, can by clinical research With discovery, the patient of true stimulation group is above-mentioned after the treatment of cranium galvanic current stimulation system in receiving, and pain intensity is decreased obviously； And the patient in false stimulation group does not have a significant change, therefore it is provided by the utility model through cranium galvanic current stimulation system to chronic waist Pain has significant analgesic activity.

Although the utility model has been described by means of preferred embodiments, the utility model is not limited to this In described embodiment, further include made various changes and change in the case where not departing from the scope of the utility model Change.

Claims (10)

1. a kind of for the portable through cranium galvanic current stimulation system, including controller of pain therapy, and with the controller The main electrode and reference electrode being connected, which is characterized in that the main electrode includes multiple conductions for exporting stimulated current Metal needle, the reference electrode are used to constitute current loop with the main electrode, and the main electrode and reference electrode are dry electricity Pole.

2. according to claim 1 through cranium galvanic current stimulation system, which is characterized in that the conductive metal needle is with bullet The scalable conductive metal needle of spring.

3. according to claim 2 through cranium galvanic current stimulation system, which is characterized in that the main electrode further includes connecting this Body and the circuit board being fixedly connected with the connection ontology.

4. according to claim 3 through cranium galvanic current stimulation system, which is characterized in that the scalable conductive metal needle packet Include probe tube, spring, necking down ring and push rod.

5. according to claim 1 through cranium galvanic current stimulation system, which is characterized in that the reference electrode includes conductive gold Belong to piece.

6. according to claim 5 through cranium galvanic current stimulation system, which is characterized in that the conductive metal sheet surface mount There is conductive film.

7. according to claim 1 through cranium galvanic current stimulation system, which is characterized in that further include the elasticity with velcro Band, the elastic webbing are used to the main electrode and reference electrode being fixed on designated position.

8. according to claim 1 through cranium galvanic current stimulation system, which is characterized in that the controller is described for setting The output stimulated current of main electrode.

9. according to claim 8 through cranium galvanic current stimulation system, which is characterized in that the controller is described for detecting The stimulated current of the reality output of main electrode, and adjust according to the output stimulated current of the setting reality of the main electrode The stimulated current of border output.

10. according to any one of claims 1 to 9 through cranium galvanic current stimulation system, which is characterized in that the main electrode quilt The primary motor cortex of user's head is set, and the reference electrode is arranged on the user opposite with the primary motor cortex The top of eye socket.