CN209696073U - Repetitive transcranial magnetic stimulation instrument - Google Patents
Repetitive transcranial magnetic stimulation instrument Download PDFInfo
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- CN209696073U CN209696073U CN201821950880.9U CN201821950880U CN209696073U CN 209696073 U CN209696073 U CN 209696073U CN 201821950880 U CN201821950880 U CN 201821950880U CN 209696073 U CN209696073 U CN 209696073U
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Abstract
The utility model provides a kind of repetitive transcranial magnetic stimulation instrument, comprising: stimulating coil device, for generating the electromagnetic stimulation neuron of variation according to the pulse current of variation；First cabinet, is arranged inside: storage capacitor, for the pulse current of variation to be transferred to stimulating coil device by charge and discharge；Second cabinet, is arranged inside: charge/discharge unit, for changing the charge and discharge timing of storage capacitor；Third cabinet, is arranged inside: main control unit, for controlling charge/discharge unit work；High-voltage DC power supply, for powering for main control unit and charge/discharge unit.Above scheme reduces the volume and weight of repetitive transcranial magnetic stimulation instrument, electrical security is high, and easy to carry, suitable for using under the several scenes such as field, battlefield and first aid on the basis of guaranteeing neural stimulation threshold value.
Description
Technical field
The utility model relates to transcranial magnetic stimulation technical field, in particular to a kind of repetitive transcranial magnetic stimulation instrument.
Background technique
Transcranial magnetic stimulation technology (Transcranial Magnetic Stimulation, TMS) is biomedical and electromagnetism
Interleaving techniques.Because contained microelement and albumen have paramagnetism in the biological tissue of organism and organ.In extraneous magnetic
The histocyte of organism can generate Evoked ptential under the action of, and then generate physiological reaction in organism.And through cranium magnetic
The stimulating coil of stimulation instrument just can be used as the source in this extraneous magnetic field.
Transcranial magnetic stimulation technology is by applying high-intensitive variation electromagnetic field to organism to reach stimulating organism body tissue
Or the purpose of neuron.Main foundation Biot-Savart law, changing magnetic field is generated by the electric current of variation, that is, is being passed through
Apply the pulse current of variation in the coil of cranium magnetic stimulator to generate changing magnetic field.Change pulse current pulse frequency and
The size of electric current is to control the power in magnetic field and to the stimulation time of biological tissue.The variation magnetic field of induction acts on tissue
Afterwards, faint electric current can be generated in tissue.These faint electric currents will lead to neuronal cell after reaching some strength
Excited or inhibition, this intensity is the stimulus threshold of neuron.Stimulus threshold is the minimal stimulation for causing action potentials of cells
Amplitude.Cell will not be made to generate action potential lower than this amplitude, the purpose of stimulation is not achieved.Due to the stimulation of each cell
Threshold value is not identical, and stimulus threshold is a statistical value.After the external world reaches the threshold value of stimulation, this stimulation must also continue
A period of time can be only achieved the effect of stimulation.
In clinical medicine, a kind of nerve stimulation technique of the TMS as noninvasive non-intrusion type has been widely applied.
The object of its primary treatment is the impaired patients of kinematic system, it records the Evoked ptential pair of movement by stimulus movement cortex
The current morbid state of sufferer makes effective judgement.Patients with depression is also TMS primary treatment object, and depression is a kind of essence
Refreshing class disease, main clinical manifestation are that mental state is low, and some cases will appear the symptoms such as anxiety, illusion, vain hope.There is research table
The cerebral nerve dysfunction of bright patients with depression cause to active mood perceive it is on the low side, negative feeling is on the high side.TMS equipment can be with
Specific cerebral neuron is stimulated enhance patients with depression to the perception of active mood, reduce negative feeling and reach and control
Treat purpose.Furthermore TMS equipment all achieves good progress in the clinical disease diagnosis of Alzheimer disease and treatment.It can
The TMS equipment for being carried out continuously multiple impulse stimulations is referred to as repetitive transcranial magnetic stimulation (rTMS) equipment.
Traditional rTMS equipment is due to including control unit, man-machine interaction unit, high voltage direct current source unit and charge and discharge
The parts such as electric unit and stimulating coil.In order to realize high-intensitive stimulation magnetic field, the application in coil is needed to reach kilo-ampere
Changing currents with time.Therefore, because internal includes high current and the capacitor element of high-energy etc., need to guarantee its electricity in use
Gas safety.Therefore, usually by complete equipment overall package in insulated case, and more protection is set.This is resulted at present
Equipment volume and weight it is larger.Transport and carrying are extremely inconvenient.Need 2 or more adult males and by dedicated bulk transport
Vehicle and accessory just can be carried out movement.Which has limited the uses under the several scenes such as field, battlefield and first aid.
Have the magnetic stimulation device of some miniaturizations at present, by reduce coil dimension and select lesser charge-discharge modules come
Reduce overall weight.Equipment within 5 kilograms can be controlled by having had already appeared some overall weights using such method, can
It is carried using small suitcase.And it is obtained during the Neural stem cell of education of doctor and meiofauna and Cells In Vitro
Using.However, this will lead to the reduction of the discharge current in coil, Induced magnetic field intensity is too low, cannot generate to brain area and above threshold pierce
Swash.Energy stores are carried out due to using lesser capacitor, it is also difficult to realize highdensity repetition sexual stimulus.So this technology
Scheme is chiefly used in exemplary teaching or in the experiment of cell and toy.It is not particularly suited for stimulating human brain etc..
Utility model content
The utility model embodiment provides a kind of repetitive transcranial magnetic stimulation instrument, to guarantee neural stimulation threshold value
On the basis of, reduce the volume and weight of repetitive transcranial magnetic stimulation instrument, guarantees electrical security, and easy to carry, the repetitive transcranial
Magnetic stimulator includes:
Stimulating coil device, for generating the electromagnetic stimulation neuron of variation according to the pulse current of variation；
First cabinet；It is provided with storage capacitor in first cabinet, is connect with the stimulating coil device, for leading to
It crosses charge and discharge and the pulse current of variation is transferred to the stimulating coil device；
Second cabinet；It is provided with charge/discharge unit in second cabinet, is connect with the storage capacitor, for changing
The charge and discharge timing of the storage capacitor；
Third cabinet；It is provided with main control unit in the third cabinet, is connect with the charge/discharge unit, for controlling
The charge/discharge unit work；High-voltage DC power supply is connect with the main control unit and charge/discharge unit, for being the master control
Unit and charge/discharge unit power supply.
Compared with the repetitive transcranial magnetic stimulation instrument of existing whole box, repetitive transcranial magnetic provided by the embodiment of the utility model
Stimulation instrument:
Firstly, traditional monoblock type repetitive transcranial magnetic stimulation instrument is changed to three cabinets: the first cabinet, the second cabinet and
Three cabinets share weight and size to each cabinet, the mutually isolated insulation of each unit, and therefore, electrical security is high, and is convenient for
It carries, is moved without dedicated mass transit vehicle and accessory, is suitable in several scenes such as field, battlefield and first aids
Lower use.
Secondly, changing the charge and discharge timing of storage capacitor by charge/discharge unit, intermittent charging and discharging are realized
Journey realizes and further enhances stimulation arteries and veins on the basis of guaranteeing supraliminal stimulus intensity with lesser coil and storage capacitor
The frequency of stimulation of punching optimizes the overall performance of equipment, therefore, on the basis of guaranteeing neural stimulation threshold value, reduces and repeats
The volume and weight of transcranial magnetic stimulation instrument.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The restriction to the utility model is not constituted.In the accompanying drawings:
Fig. 1 is the internal structure schematic diagram of existing whole box repetitive transcranial magnetic stimulation instrument；
Fig. 2 is the internal structure schematic diagram of repetitive transcranial magnetic stimulation instrument in the utility model embodiment；
Fig. 3 is the charge and discharge eDRAM of storage capacitor in the utility model embodiment；
Fig. 4 is charge/discharge unit and its coupling part schematic diagram in the utility model embodiment.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
The structural block diagram of traditional repetitive transcranial magnetic stimulation (rTMS) equipment is as shown in Figure 1.Inventor is by long-term a large amount of
Experiment, to the equipment by carefully studying discovery: merger can be carried out according to its purposes and electrical risk class, to repeating to pass through
Cranium Neural stem cell (rTMS) equipment improves, and proposes that a kind of portable repetitive transcranial magnetic stimulation instrument of high field intensity, the stimulation instrument are real
Show on the basis of guaranteeing neural stimulation threshold value, has reduced the volume and weight of repetitive transcranial magnetic stimulation instrument, electrical security
Height, and it is easy to carry, suitable for being used under the several scenes such as field, battlefield and first aid.The program is by different EM equipment modules
Integration changes the cabinet of traditional monoblock type, and uses the military suitcase encapsulation of light insulation, may be implemented portable and removable
Dynamic feature, meanwhile, change the charge and discharge timing of storage capacitor, realize intermittent charge-discharge process, can use compared with
Under the premise of small capacitances, reaching is stimulated in the threshold value of high repetition frequency.The structure of the repetitive transcranial magnetic stimulation instrument is carried out below
It is discussed in detail.
Fig. 2 is the internal structure schematic diagram of repetitive transcranial magnetic stimulation instrument in the utility model embodiment, as shown in Fig. 2, should
Repetitive transcranial magnetic stimulation instrument includes:
Stimulating coil device 4, for generating the electromagnetic stimulation neuron of variation according to the pulse current of variation；
First cabinet 1；It is provided with storage capacitor 10 in first cabinet 1, is connect with the stimulating coil device, is used
In the pulse current of variation is transferred to the stimulating coil device by charge and discharge；
Second cabinet 2；It is provided with charge/discharge unit 20 in second cabinet 2, connect, is used for the storage capacitor
Change the charge and discharge timing of the storage capacitor；
Third cabinet 3；It is provided with main control unit 30 in the third cabinet 3, connect, is used for the charge/discharge unit
Control the charge/discharge unit work；High-voltage DC power supply 31 connect with the main control unit 30 and charge/discharge unit 20, is used for
It powers for the main control unit and charge/discharge unit.
Compared with the repetitive transcranial magnetic stimulation instrument of existing whole box, repetitive transcranial magnetic provided by the embodiment of the utility model
Stimulation instrument:
Firstly, traditional monoblock type repetitive transcranial magnetic stimulation instrument is changed to three cabinets: the first cabinet, the second cabinet and
Three cabinets share weight and size to each cabinet, the mutually isolated insulation of each unit, and therefore, electrical security is high, and is convenient for
It carries, is moved without dedicated mass transit vehicle and accessory, is suitable in several scenes such as field, battlefield and first aids
Lower use.
Secondly, changing the charge and discharge timing of storage capacitor by charge/discharge unit, intermittent charging and discharging are realized
Journey realizes and further enhances stimulation arteries and veins on the basis of guaranteeing supraliminal stimulus intensity with lesser coil and storage capacitor
The frequency of stimulation of punching optimizes the overall performance of equipment, therefore, on the basis of guaranteeing neural stimulation threshold value, reduces and repeats
The volume and weight of transcranial magnetic stimulation instrument.
In one embodiment, as shown in figure 4, charge/discharge unit includes: charging circuit and discharge circuit；Wherein, charging electricity
Road includes:
Charging input end P11 is connect with the output end of high-voltage DC power supply 31, is exported for receiving high-voltage DC power supply 31
Current Voltage；
Current-limiting resistance R14, the first end of current-limiting resistance R14 are connect with the charging input end, second end and storage capacitor
(positive terminal) connection is filled for being supplied to storage capacitor C8 after the Current Voltage is carried out current-limiting protection to storage capacitor C8
Electricity；
The discharge circuit includes:
The cathode of first thyristor DB2, the first thyristor DB2 is connect with the coil L1 in stimulating coil device 4, and first is brilliant
The anode of brake tube DB2 is connect with storage capacitor C8, and the control electrode and control panel trigger signal chip P9 of the first thyristor DB2 connects
It connects；Control panel is the main control unit；
Coil L1 in the cathode of diode D4, the anode of diode D4 and the first thyristor DB2, stimulating coil device 4
Connection, the cathode of diode D4 are connect with the anode of storage capacitor, the first thyristor DB2.
When it is implemented, charge/discharge unit structure can be as shown in the circuit in Fig. 4.In charge/discharge unit, charging part
Dividing is that capacitor is ceaselessly charged to storage capacitor C8 by protective resistance (R14) with a constant current, and discharge portion principle is similar to allusion quotation
Type RLC resonance circuit.The timely shutdown that also guarantee stimulated current in actual use, prevents the generation of trailing phenomenon.So
Practical charge-discharge circuit (charge/discharge unit) schematic diagram is as shown in Figure 4.
As shown in figure 4, the circuit is the charge-discharge circuit of large bulk capacitance, input terminal P11 and high-voltage DC power supply 31
Output end connection, it is high voltage direct current source module (high-voltage DC power supply 31) that input terminal P11, which accesses power supply,.The high voltage direct current
31 external interface of source mainly has three parts, input voltage interface, output voltage interface, control circuit (main control unit 30) interface.
Wherein, input voltage interface connects the alternating current of 0-220V；The output of output voltage interface is a 0-2000V maximum current 1A
Export the controllable high power voltage stabilized power source of Current Voltage；15 needle interfaces for the DB15 that control interface part provides are as control
System part is connected with control unit (main control unit 30).Wherein, control unit (main control unit 30) passes through TPL0401A/B two
The analog quantity of 5V is arrived in a integrated chip output 0, to control the voltage and current of high voltage power supply (high-voltage DC power supply 31) output
The size of value.The regulated power supply exported after high voltage power supply (high-voltage DC power supply 31) is controlled is passing through 20 ohm of current-limiting resistance
It charges after R14 (protective resistance) to storage capacitor (such as C8 in Fig. 4).It is set when detecting that capacitor both end voltage reaches
When value, high voltage power supply (high-voltage DC power supply 31) stops charging.When silicon-controlled DB2 is not turned on, the discharge coil L1 of rear end
In be not no electric current.When control circuit (main control unit) gives thyristor DB2 trigger signal, DB2 conducting, high-voltage capacitance (storage
Energy capacitor C8) start to discharge, equivalent discharge loop (discharge circuit) is RLC resonance circuit, and the electricity of time-varying is generated in discharge loop
Stream, changing currents with time generate the magnetic fields of time-varying in biological tissue in discharge coil L1.As shown in figure 3, the electric current of time-varying
The figure of time amplitude is the sinusoidal wave of an oscillatory extinction, when the positive half period at electric current in sine wave, in coil
Current direction be clockwise, afterflow to be carried out by high-power diode D4 when electric current enters negative half-cycle, electric current is reversed
Current direction is counterclockwise, to generate second boost pulse.In this period DB2 due to electric current it is reversed, DB2 is immediately
Shutdown.When electric current in the counterclockwise direction in from 0 to wave crest again to 0 when, there is no circuit since DB2 has been switched off in all circuits,
After a wave crest and a trough, RLC discharge loop is turned off RLC resonance oscillatory circuit at once.The thorn eventually formed
Swashing pulsewidth is double pulsewidth stimulus waveforms.
In one embodiment, as shown in figure 4, charge/discharge unit can also include: safety protective circuit, safeguard protection electricity
Road may include:
The second end of residual electric absorption resistance R15, first end and current-limiting resistance R14, the first end of storage capacitor C8 (anode
End) connection；
The cathode and storage capacitor C8 (second end, negative pole end) of second thyristor DB3, the second thyristor DB3 connects, and second
The anode of thyristor DB3 is connect with the second end of residual electric absorption resistance R15, and the control electrode and control panel of the second thyristor DB3 is touched
The P10 connection of signalling chip；Control panel is the main control unit.
When it is implemented, in storage capacitor C8 or thering is electricity residual stopping to guarantee safety after equipment use
Only after charging and discharging circuit operation, needs (P11 is manual switch at this time) manually or (P11 is that release is residual at this time with main control unit 30
Stay the control signal receiving end of electricity) control the second thyristor DB3 of opening, remain capacitor will by residual electric absorption resistance R15
Electricity release is clean.
When it is implemented, stimulating coil device 4 can be stimulating coil handle, internal stimulating coil and storage capacitor
Connection.Main control unit 30 can also control the work of high-voltage DC power supply 31.Each intracorporal unit of case can by wired connection,
It can certainly connect by wireless communication.
In an example, first cabinet, the second cabinet and third cabinet can be the military suitcase that insulate.
When it is implemented, the first cabinet, the second cabinet and third cabinet can be the military suitcase that insulate, it is ensured that electricity
Gas safety and easy to carry.
Inventor passes through long-term lot of experiments, proposes the dimension plan of following stimulating coil and three cabinets,
And the volume solutions of storage capacitor.
In an example, the size value range of the stimulating coil device moderate stimulation internal coil diameter can be with are as follows: less than 6
Centimetre (cm), the value range of the difference of the size of the size and internal diameter of outer diameter can be with are as follows: are greater than 1 centimetre.
When it is implemented, stimulating coil internal diameter size value range less than 6 centimetres, the size of outer diameter and the ruler of internal diameter
It when the value range of very little difference is greater than 1 centimetre, realizes on the basis of guaranteeing neural stimulation threshold value, reduces repetitive transcranial magnetic
The volume and weight of stimulation instrument.Further, the size value range of stimulating coil internal diameter is less than 6 centimetres (cm), outer diameter
The value range of the difference of size and the size of internal diameter is greater than 1.5 centimetres, and such scheme, which can also be furthermore achieved, is protecting
On the basis of demonstrate,proving neural stimulation threshold value, reduce the volume and weight of repetitive transcranial magnetic stimulation instrument.
In an example, the size value of the stimulating coil device moderate stimulation internal coil diameter can be 5.5 centimetres, outside
The value of the difference of the size of the size and internal diameter of diameter can be 1.5 centimetres.
When it is implemented, the size value of stimulating coil internal diameter is 5.5 centimetres, the difference of the size of the size and internal diameter of outer diameter
Value range be 1.5 centimetres, be furthermore achieved on the basis of guaranteeing neural stimulation threshold value, reduce repetitive transcranial magnetic pierce
Swash the volume and weight of instrument.Further, the size value of stimulating coil internal diameter is 2 centimetres, the size of outer diameter and the ruler of internal diameter
The value range of very little difference is 1.6 centimetres, and such scheme, which can also be furthermore achieved, is guaranteeing neural stimulation threshold value
On the basis of, reduce the volume and weight of repetitive transcranial magnetic stimulation instrument.
In an example, the range of capacity of the storage capacitor can be for greater than 75 microfarads (μ F), storage capacitor both ends
Voltage value range can be greater than 1500 volts (V).
When it is implemented, the range of capacity of storage capacitor is greater than 75 microfarads (μ F), the voltage value at storage capacitor both ends
It when range is greater than 1500 volts (V), realizes on the basis of guaranteeing neural stimulation threshold value, reduces repetitive transcranial magnetic stimulation instrument
Volume and weight.
In an example, the capacity of the storage capacitor can be 150 μ F, and the voltage value at storage capacitor both ends can be with
For 2000V.
When it is implemented, the capacity of storage capacitor is 150 μ F, when the voltage value range at storage capacitor both ends is 2000V,
It is furthermore achieved on the basis of guaranteeing neural stimulation threshold value, reduces the volume and weight of repetitive transcranial magnetic stimulation instrument.Into
One step, the capacity of storage capacitor is that 150 μ F are furthermore achieved when the voltage value range at storage capacitor both ends is 3000V
On the basis of guaranteeing neural stimulation threshold value, reduce the volume and weight of repetitive transcranial magnetic stimulation instrument.
In an example, the size value range of first cabinet can be for less than 100*100*100cm；
The size value range of second cabinet can be for less than 100*100*100cm；
The size value range of the third cabinet can be for less than 100*100*100cm.
When it is implemented, the size of the first cabinet are as follows: 66.7*43*25cm, the size of second cabinet are 47*25*
35cm, the size of the third cabinet is 45*38*25cm, easy to carry, is suitable in a variety of fields such as field, battlefield and first aid
It is used under scape.
In an example, the high-voltage DC power supply is arranged in a high voltage source box, the high voltage source box setting
In the third cabinet.
When it is implemented, setting high voltage source box, further ensures electrical safety.
In an example, the charge/discharge unit is specially single-chip microcontroller or PLC control unit.
In an example, above-mentioned repetitive transcranial magnetic stimulation instrument further include: man-machine interaction unit is arranged in the third case
The surface of body is connect with the main control unit, for receiving the control instruction of user, or display pulse current magnitude, electromagnetic field
Size and stimulus threshold.
When it is implemented, the setting of man-machine interaction unit facilitates the use of repetitive transcranial magnetic stimulation instrument, flexibility is high.
The utility model embodiment realizes following technical effect:
Technical solution provided by the utility model according to module by disassembling the TMS equipment of an integration at multiple
In discrete cabinet.Maximum cabinet be no more than 40kg kilograms, full-size be no more than 70*50*50cm, can be realized two with
Interior adult does not move by other tools.Required full-size length is reduced, can be used common four by three chests
Passenger car transports, and transports without dedicated full-sized car.Mobility is enhanced, convenient in field environment, wartime and rescuing
Equipment under the scenes such as calamity is delivered.
Meanwhile the equipment mainly utilizes the timing optimization of charge and discharge, on the basis of guaranteeing supraliminal stimulus intensity, further
The frequency of stimulation for strengthening boost pulse optimizes the overall performance of equipment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of repetitive transcranial magnetic stimulation instrument characterized by comprising
Stimulating coil device, for generating the electromagnetic stimulation neuron of variation according to the pulse current of variation；
First cabinet；It is provided with storage capacitor in first cabinet, is connect with the stimulating coil device, for by filling
The pulse current of variation is transferred to the stimulating coil device by electric discharge；
Second cabinet；It is provided with charge/discharge unit in second cabinet, is connect with the storage capacitor, for changing described
The charge and discharge timing of storage capacitor；
Third cabinet；It is provided with main control unit in the third cabinet, is connect with the charge/discharge unit, it is described for controlling
Charge/discharge unit work；High-voltage DC power supply is connect with the main control unit and charge/discharge unit, for being the main control unit
It powers with charge/discharge unit；
Charge/discharge unit includes: charging circuit and discharge circuit；Wherein, charging circuit includes:
Charging input end (P11) is connect with the output end of high-voltage DC power supply (31), defeated for receiving high-voltage DC power supply (31)
Current Voltage out；
The first end of current-limiting resistance (R14), current-limiting resistance (R14) is connect with the charging input end, second end and storage capacitor
Positive terminal connection is given storage capacitor (C8) for being supplied to storage capacitor (C8) after the Current Voltage is carried out current-limiting protection
Charging；
The discharge circuit includes:
The cathode of first thyristor (DB2), the first thyristor (DB2) is connect with the coil (L1) in stimulating coil device (4), the
The anode of one thyristor (DB2) is connect with storage capacitor (C8), the control electrode and control panel trigger signal of the first thyristor (DB2)
Chip (P9) connection；Control panel is the main control unit；
Line in the cathode of diode (D4), the anode of diode (D4) and the first thyristor (DB2), stimulating coil device (4)
(L1) connection is enclosed, the cathode of diode (D4) is connect with the anode of storage capacitor, the first thyristor (DB2)；
Charge/discharge unit further include: safety protective circuit, the safety protective circuit include:
Residual electric absorption resistance (R15), first end are connect with the positive terminal of the second end of current-limiting resistance (R14), storage capacitor (C8)；
The cathode of second thyristor (DB3), the second thyristor (DB3) is connect with the negative pole end of storage capacitor C8, the second thyristor
(DB3) anode is connect with the second end of residual electric absorption resistance (R15), and the control electrode and control panel of the second thyristor (DB3) are touched
Signalling chip (P10) connection；Control panel is the main control unit.
2. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that first cabinet, the second cabinet and
Three cabinets are the military suitcase that insulate.
3. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that the stimulating coil device moderate stimulation coil
The size value range of internal diameter are as follows: less than 6 centimetres, the value range of the difference of the size of the size and internal diameter of outer diameter are as follows: be greater than 1 li
Rice.
4. repetitive transcranial magnetic stimulation instrument as claimed in claim 3, which is characterized in that the stimulating coil device moderate stimulation coil
The size value of internal diameter is 5.5 centimetres, and the value of the difference of the size of the size and internal diameter of outer diameter is 1.5 centimetres.
5. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that the range of capacity of the storage capacitor is big
In 75 microfarads, the voltage value range at storage capacitor both ends is greater than 1500 volts.
6. repetitive transcranial magnetic stimulation instrument as claimed in claim 5, which is characterized in that the capacity of the storage capacitor is 150 micro-
Method, the voltage value at storage capacitor both ends are 2000V.
7. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that the size of first cabinet are as follows: a length of
66.7 centimetres, width is 43 centimetres, a height of 25 centimetres；
The size of second cabinet are as follows: a length of 47 centimetres, width is 25 centimetres, a height of 35 centimetres；
The size of the third cabinet are as follows: a length of 45 centimetres, width is 38 centimetres, a height of 25 centimetres.
8. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that the high-voltage DC power supply setting is high one
In voltage source case, the high voltage source box is arranged in the third cabinet.
9. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that the main control unit be specially single-chip microcontroller or
PLC control unit.
10. repetitive transcranial magnetic stimulation instrument as described in claim 1, which is characterized in that further include: man-machine interaction unit, setting
It on the surface of the third cabinet, is connect with the main control unit, for receiving the control instruction of user, or display pulse current
Size, electromagnetic field size and stimulus threshold.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950880.9U CN209696073U (en) | 2018-11-26 | 2018-11-26 | Repetitive transcranial magnetic stimulation instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821950880.9U CN209696073U (en) | 2018-11-26 | 2018-11-26 | Repetitive transcranial magnetic stimulation instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857231A (en) * | 2020-07-14 | 2020-10-30 | 中国科学院电工研究所 | Device and method for controlling rotating magnetic field by using capacitor charging and discharging time sequence |
| CN115282488A (en) * | 2022-06-21 | 2022-11-04 | 中国科学院自动化研究所 | Magnetic stimulation instrument |
-
2018
- 2018-11-26 CN CN201821950880.9U patent/CN209696073U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857231A (en) * | 2020-07-14 | 2020-10-30 | 中国科学院电工研究所 | Device and method for controlling rotating magnetic field by using capacitor charging and discharging time sequence |
| CN115282488A (en) * | 2022-06-21 | 2022-11-04 | 中国科学院自动化研究所 | Magnetic stimulation instrument |
| CN115282488B (en) * | 2022-06-21 | 2023-09-12 | 中国科学院自动化研究所 | Magnetic stimulation instrument |
| WO2023245928A1 (en) * | 2022-06-21 | 2023-12-28 | 中国科学院自动化研究所 | Magnetic stimulator |
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