CN108498319A - Diabetic supersession therapeutic equipment and its method for generating class sinusoidal signal - Google Patents
Diabetic supersession therapeutic equipment and its method for generating class sinusoidal signal Download PDFInfo
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- CN108498319A CN108498319A CN201810374084.3A CN201810374084A CN108498319A CN 108498319 A CN108498319 A CN 108498319A CN 201810374084 A CN201810374084 A CN 201810374084A CN 108498319 A CN108498319 A CN 108498319A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
- A61H39/002—Using electric currents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5005—Control means thereof for controlling frequency distribution, modulation or interference of a driving signal
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Abstract
The present invention provides a kind of diabetic supersession therapeutic equipments, including power module, controller module, function button module, buzzer module, digital display module, integrating circuit module, follow circuit module, filter and amplification module, signal modulation module, power amplifier module, transformer module and output interface module, power module is configured to convert and provide DC voltage, controller module is according to the input information of function button module, control digital display module output display respectively, control buzzer module exports the sound and controls to integrating circuit module and signal modulation module output signal, the input terminal of integrating circuit module connects controller module, the output end of integrating circuit module, which is sequentially connected, follows circuit module, filter and amplification module, signal modulation module, power amplifier module, transformer module and output interface module.The diabetic supersession therapeutic equipment has the advantages that design science, highly practical, simple in structure, easy to use, at low cost.
Description
Technical field
The present invention relates to a kind of diabetic supersession therapeutic equipment and its methods for generating class sinusoidal signal.
Background technology
Diabetes are a kind of metabolic diseases characterized by hyperglycemia, hyperglycemia be then due to defect of insulin secretion or
Its biological effect is impaired, or both have concurrently and cause.Long-standing hyperglycemia when diabetes, cause various tissues, especially eye,
Kidney, heart, blood vessel, the chronic lesion of nerve, dysfunction.Diabetes can not cure at present, can only control, existing to mostly use
Drug or physical therapy are controlled, but existing physiotherapeutic instruments is complicated, and cost is higher.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Invention content
The purpose of the present invention is in view of the deficiencies of the prior art, to provide, a kind of design science, highly practical, structure is simple
Diabetic supersession therapeutic equipment single, easy to use, at low cost.
To achieve the goals above, the technical solution adopted in the present invention is：A kind of diabetic supersession therapeutic equipment, including electricity
Source module, function button module, buzzer module, digital display module, integrating circuit module, follows circuit at controller module
Module, filter and amplification module, signal modulation module, power amplifier module, transformer module and output interface module, the power supply
Module is configured to convert and provide DC voltage, and the controller module divides according to the input information of the function button module
The digital display module output display is not controlled, is controlled the buzzer module output sound and is controlled to the integrating circuit
The input terminal of module and the signal modulation module output signal, the integrating circuit module connects the controller module, institute
The output end for stating integrating circuit module is sequentially connected and described follows circuit module, the filter and amplification module, the signal modulation
Module, the power amplifier module, the transformer module and the output interface module.
Further include detection circuit module based on above-mentioned, the input terminal of the detection circuit module connects the transformer mould
The output end of the output end of block, the detection circuit module connects the controller module.
Based on above-mentioned, the integrating circuit module includes resistance R15, inductance L1 and capacitance C15, and the one of the resistance R15
The input terminal as the integrating circuit module is held, one end of the inductance L1 connects the other end of the resistance R15, the electricity
Feel output end of the other end of L1 as the integrating circuit module, the other end of the inductance L1 also passes through the capacitance C15
Ground connection；It is described that follow circuit module include that the in-phase input end of operational amplifier U4 and capacitance C16, the operational amplifier U4 connect
The other end of the inductance L1 is connect, the output end of the operational amplifier U4 connects the anti-phase input of the operational amplifier U4
The output end at end, the operational amplifier U4 is also grounded by the capacitance C16；The filter and amplification module include inductance L2,
One end connection operation of capacitance C17, resistance R16, resistance R17, resistance R18 and operational amplifier U5, the inductance L2 are put
The output end of big device U4, the other end of the inductance L2 connect the same mutually defeated of the operational amplifier U5 by the resistance R16
Enter end, the other end of the inductance L2 is also grounded by the capacitance C17, and the output end of the operational amplifier U5 is described in
Resistance R18 connects the inverting input of the operational amplifier U5, and the inverting input of the operational amplifier U5 also passes through institute
State resistance R17 ground connection；The signal modulation module includes triode Q1 and resistance R19, and the base stage of the triode Q1 passes through institute
The resistance R19 connections controller module is stated, the emitter of the triode Q1 connects the output end of the operational amplifier U5,
The collector of the triode Q1 connects the power amplifier module；The power amplifier module includes capacitance C21, operation amplifier
Device U6, capacitance C22, capacitance C23, resistance R21, the in-phase input end of resistance R22 and resistance R23, the operational amplifier U6 are logical
The collector that the capacitance C21 connects the triode Q1 is crossed, the output end of the operational amplifier U6 passes sequentially through the electricity
Resistance R21 connects the inverting input of the operational amplifier U6 with the capacitance C22, the resistance R21 and the capacitance C22's
It is grounded by the resistance R22 at tie point, the output end of the operational amplifier U6 also passes sequentially through the resistance R23 and institute
State capacitance C23 ground connection；The transformer module includes capacitance C28, capacitance C24, resistance R24 and transformer, at the beginning of the transformer
One end of grade coil connects the output end of the operational amplifier U6 by the capacitance C28, the transformer
The other end is grounded, and the both ends of the transformer are also respectively connected with the both ends of the capacitance C24, the transformer secondary output
The both ends of coil are separately connected the output interface module, and the both ends of the transformer secondary coil are also respectively connected with the resistance
The both ends of R24.
Based on above-mentioned, the detection circuit module includes optocoupler Q5, optocoupler Q6, resistance R25 and resistance R26, the optocoupler
The output pin of the input pin of Q5 input terminals and the optocoupler Q6 input terminals be separately connected the transformer module one is defeated
The input pin of outlet, the output pin of the optocoupler Q5 input terminals and the optocoupler Q6 input terminals is separately connected the output and connects
The input pin of mouth mold block, the input pin of the optocoupler Q5 output ends and the optocoupler Q6 output ends is separately connected power supply, institute
The output pin of the output pin and the optocoupler Q6 output ends of stating optocoupler Q5 output ends pass sequentially through respectively the resistance R25 and
The resistance R26 is grounded, and the controller module is connected at the resistance R25 and the tie point of the resistance R26.
Based on above-mentioned, the digital display module includes digital pipe driving chip U2, number pipe driving chip U3 and multiple
Charactron, the controller module connect the input terminal of the charactron, the control by the number pipe driving chip U2
Device module connects the output end of the charactron by the number pipe driving chip U3.
A kind of method that diabetic supersession therapeutic equipment described in claim 1 generates class sinusoidal signal, including
Step 1, the three sections of processing of periodic signal point for generating microcontroller, respectively
Y1=t2, t ∈ (0-T/4),
Y2=(A-t)2, t ∈ (T/4-3T/4), A are constant,
Y3=(B-t)2, t ∈ (3T/4-T), B are constant；
The signal of above-mentioned segment processing is further processed by step 2 according to following equation
T ∈ (0-T/4), K are constant,
T ∈ (T/4-3T/4), K are constant,
T ∈ (3T/4-T), K are constant；
Signal (S1, S2, S3) is stored into designated memory space by step 3；
Step 4, in order call signal (S1, S2, S3), and the frequency and width of adjustment signal (S1, S2, S3) as needed
Degree, to obtain new signal (N1, N2, N3)；
Step 5 exports signal (N1, N2, N3) in the form of PWM, and class sinusoidal signal is obtained after RC is integrated.
Based on above-mentioned, further include step 6, the class sinusoidal signal is filtered to amplification and modulation after, by transformer
Transformation exports.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention is logical
It crosses controller module, function button module, integrating circuit module, follow circuit module, filter and amplification module, signal modulation mould
The mutual cooperation of block, power amplifier module, transformer module generates class sinusoidal signal, and passes through the adjusting to frequency and amplitude
Required control model is obtained, human acupoint is massaged, with design science, highly practical, simple in structure, use
Convenient, advantage at low cost.
Description of the drawings
Fig. 1 is the electricity structure schematic block diagram of the present invention.
Fig. 2 is the output circuit structure schematic diagram of the present invention.
Fig. 3 is the output circuit and detection circuit modular structure schematic diagram of the present invention.
Fig. 4 is the controller module electrical block diagram of the present invention.
Fig. 5 is the function button modular circuit structural schematic diagram of the present invention.
Fig. 6 is the digital display module electrical block diagram of the present invention.
Fig. 7 is the buzzer modular circuit structural schematic diagram of the present invention.
Fig. 8 is the power module circuitry structural schematic diagram of the present invention.
Specific implementation mode
Below by specific implementation mode, technical scheme of the present invention will be described in further detail.
Embodiment 1
As shown in Figure 1, a kind of diabetic supersession therapeutic equipment, including power module, controller module, function button module,
Buzzer module, digital display module, integrating circuit module, follow circuit module, filter and amplification module, signal modulation module,
Power amplifier module, transformer module and output interface module, the power module are configured to convert and provide DC voltage, institute
State input information of the controller module according to the function button module, control respectively digital display module output display,
It controls the buzzer module output sound and controls to the integrating circuit module and the signal modulation module output signal,
The input terminal of the integrating circuit module connects the controller module, and the output end of the integrating circuit module is sequentially connected institute
It states and follows circuit module, the filter and amplification module, the signal modulation module, the power amplifier module, the transformer
Module and the output interface module.
In use, alternating current is converted to the DC power supply of needs, the controller module output signal by the power module
Class sinusoidal signal is generated after integrating circuit module integral, follows circuit module will described in the class sinusoidal signal process
After signal enhancing, after being filtered and amplify using the filter and amplification module, carrier wave is loaded by the signal modulation module,
It is exported by the output interface module using after power amplification and transformation, the output interface module is used for grafting in practice
Electrode slice.The digital display module shows the information such as frequency, amplitude and the time of output signal, the controller module also root
The frequency, amplitude and output time of institute's output signal are adjusted according to the keying input information of the function button module.Institute
Buzzer module is stated for output key prompt tone, timing reminding sound or abnormal prompt tone etc..Controller described in the present embodiment
Module uses microcontroller and its minimum circuit.
Preferably, which further includes detection circuit module, the input terminal of the detection circuit module
The output end of the transformer module is connected, the output end of the detection circuit module connects the controller module.The inspection
Whether the electrode slice that slowdown monitoring circuit module is used to detect output interface module institute grafting has the exception such as disconnection, the controller mould
The exception information detected is exported by the digital display module and is shown by block.
Specifically, as shown in Fig. 2, the integrating circuit module includes resistance R15, inductance L1 and capacitance C15, the resistance
One end of input terminal of the one end of R15 as the integrating circuit module, the inductance L1 connects the another of the resistance R15
End, the output end of the other end of the inductance L1 as the integrating circuit module, the other end of the inductance L1 also pass through institute
State capacitance C15 ground connection；Described to follow circuit module include operational amplifier U4 and capacitance C16, and the operational amplifier U4's is same
Phase input terminal connects the other end of the inductance L1, and the output end of the operational amplifier U4 connects the operational amplifier U4's
The output end of inverting input, the operational amplifier U4 is also grounded by the capacitance C16；The filter and amplification module includes
Inductance L2, capacitance C17, resistance R16, resistance R17, resistance R18 and operational amplifier U5, the inductance L2 one end connection described in
The other end of the output end of operational amplifier U4, the inductance L2 connects the operational amplifier U5's by the resistance R16
The other end of in-phase input end, the inductance L2 is also grounded by the capacitance C17, and the output end of the operational amplifier U5 is logical
The inverting input that the resistance R18 connects the operational amplifier U5 is crossed, the inverting input of the operational amplifier U5 is also
It is grounded by the resistance R17；The signal modulation module includes triode Q1 and resistance R19, the base stage of the triode Q1
By the resistance R19 connections controller module, the emitter of the triode Q1 connects the operational amplifier U5's
The collector of output end, the triode Q1 connects the power amplifier module；The power amplifier module include capacitance C21,
Operational amplifier U6, capacitance C22, capacitance C23, resistance R21, resistance R22 and resistance R23, the same phase of the operational amplifier U6
Input terminal connects the collector of the triode Q1 by the capacitance C21, and the output end of the operational amplifier U6 leads to successively
Cross the inverting input that the resistance R21 connects the operational amplifier U6 with the capacitance C22, the resistance R21 and described
It is grounded by the resistance R22 at the tie point of capacitance C22, the output end of the operational amplifier U6 also passes sequentially through the electricity
Hinder R23 and capacitance C23 ground connection；The transformer module includes capacitance C28, capacitance C24, resistance R24 and transformer, described
One end of transformer connects the output end of the operational amplifier U6 by the capacitance C28, at the beginning of the transformer
The other end ground connection of grade coil, the both ends of the transformer are also respectively connected with the both ends of the capacitance C24, the change
The both ends of depressor secondary coil are separately connected the output interface module, and the both ends of the transformer secondary coil are also respectively connected with
The both ends of the resistance R24.
Specifically, as shown in figure 3, the detection circuit module includes optocoupler Q5, optocoupler Q6, resistance R25 and resistance R26,
The output pin of the input pin of the optocoupler Q5 input terminals and the optocoupler Q6 input terminals is separately connected the transformer module
An output end, the input pin of the output pin of the optocoupler Q5 input terminals and the optocoupler Q6 input terminals is separately connected institute
State output interface module, the input pin of the input pin of the optocoupler Q5 output ends and the optocoupler Q6 output ends is separately connected
The output pin of power supply, the output pin of the optocoupler Q5 output ends and the optocoupler Q6 output ends passes sequentially through the electricity respectively
R25 and resistance R26 ground connection is hindered, the controller module is connected at the resistance R25 and the tie point of the resistance R26.
Under normal condition, changed according to the height of class sinusoidal signal level, optocoupler Q5 is alternately connected with optocoupler Q6, the controller module
According to the information of voltage at OUT1, the connection situation of electrode slice is judged.If electrode slice is disconnected or do not connected etc. under abnormal conditions, make
It is disconnected at N2, the optocoupler Q5 and the optocoupler Q6 cannot be connected, and be lasting at the controller module acquisition OUT1
GND voltage, you can it is abnormal to judge that electrode slice is connected.
In practice, as shown in figure 4, U1 devices in order to control, its model uses STC12C5A60S2 in the present embodiment.Such as figure
Shown in 5, function button module is connect with controller module, for controlling start and stop, intensity adjustment, frequency adjusting, usage time tune
Section, mute control, prescription button are mode selection button, select the preset massage mode, common massage mode frequency to include
25 hertz, 50Hz, 100Hz and 150Hz.As shown in fig. 6, the digital display module includes digital pipe driving chip U2, number
Pipe driving chip U3 and multiple charactrons, DS1-DS6 are six charactrons, and the controller module is driven by the charactron
Chip U2 connects the input terminal of the charactron, and the controller module passes through the digital pipe driving chip U3 connections number
The output end of code pipe.As shown in fig. 7, being buzzer circuit structure, as shown in figure 8, T1 is transformer chip.
Embodiment 2
Present embodiment discloses a kind of method that diabetic supersession therapeutic equipment described in embodiment 1 generates class sinusoidal signal,
Including step 1, three sections of the periodic signal that microcontroller is generated point is handled, respectively
Y1=t2, t ∈ (0-T/4),
Y2=(A-t)2, t ∈ (T/4-3T/4), A are constant,
Y3=(B-t)2, t ∈ (3T/4-T), B are constant；
Step 2, the signal of above-mentioned segment processing is further processed according to following equation
T ∈ (0-T/4), K are constant,
T ∈ (T/4-3T/4), K are constant,
T ∈ (3T/4-T), K are constant；
Step 3, signal (S1, S2, S3) is stored into designated memory space；Step 4, in order call signal (S1,
S2, S3), and the frequency and amplitude of adjustment signal (S1, S2, S3) as needed, to obtain new signal (N1, N2, N3)；Step
5, signal (N1, N2, N3) is exported in the form of PWM, and class sinusoidal signal is obtained after RC is integrated.
Preferably, the method for the generation class sinusoidal signal further includes the 6th step, i.e., is filtered the class sinusoidal signal
After amplification and modulation, exported by transformer transformation.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of diabetic supersession therapeutic equipment, it is characterised in that：Including power module, controller module, function button module, bee
Ring device module, integrating circuit module, follows circuit module, filter and amplification module, signal modulation module, work(at digital display module
Rate amplification module, transformer module and output interface module,
The power module is configured to convert and provide DC voltage, and the controller module is according to the function button module
Input information, control digital display module output display respectively, control the buzzer module output sound and control to
The input terminal of the integrating circuit module and the signal modulation module output signal, the integrating circuit module connects the control
Device module processed, the output end of the integrating circuit module, which is sequentially connected, described follows circuit module, the filter and amplification module, institute
State signal modulation module, the power amplifier module, the transformer module and the output interface module.
2. diabetic supersession therapeutic equipment according to claim 1, it is characterised in that：Further include detection circuit module, it is described
The input terminal of detection circuit module connects the output end of the transformer module, and the output end of the detection circuit module connects institute
State controller module.
3. diabetic supersession therapeutic equipment according to claim 1, it is characterised in that：The integrating circuit module includes resistance
Input terminal of the one end of R15, inductance L1 and capacitance C15, the resistance R15 as the integrating circuit module, the inductance L1
One end connect the other end of the resistance R15, the output end of the other end of the inductance L1 as the integrating circuit module,
The other end of the inductance L1 is also grounded by the capacitance C15；
It is described that follow circuit module include that the in-phase input end of operational amplifier U4 and capacitance C16, the operational amplifier U4 connect
The other end of the inductance L1 is connect, the output end of the operational amplifier U4 connects the anti-phase input of the operational amplifier U4
The output end at end, the operational amplifier U4 is also grounded by the capacitance C16；
The filter and amplification module includes inductance L2, capacitance C17, resistance R16, resistance R17, resistance R18 and operational amplifier U5,
One end of the inductance L2 connects the output end of the operational amplifier U4, and the other end of the inductance L2 passes through the resistance
R16 connects the in-phase input end of the operational amplifier U5, and the other end of the inductance L2 is also grounded by the capacitance C17,
The output end of the operational amplifier U5 connects the inverting input of the operational amplifier U5 by the resistance R18, described
The inverting input of operational amplifier U5 is also grounded by the resistance R17；
The signal modulation module includes that the base stage of triode Q1 and resistance R19, the triode Q1 are connected by the resistance R19
The controller module is connect, the emitter of the triode Q1 connects the output end of the operational amplifier U5, the triode
The collector of Q1 connects the power amplifier module；
The power amplifier module includes capacitance C21, operational amplifier U6, capacitance C22, capacitance C23, resistance R21, resistance R22
With resistance R23, the in-phase input end of the operational amplifier U6 connects the current collection of the triode Q1 by the capacitance C21
Pole, the output end of the operational amplifier U6 pass sequentially through the resistance R21 and connect the operational amplifier with the capacitance C22
It is grounded by the resistance R22 at the tie point of the inverting input of U6, the resistance R21 and the capacitance C22, the operation
The output end of amplifier U6 also passes sequentially through the resistance R23 and capacitance C23 ground connection；
The transformer module includes capacitance C28, capacitance C24, resistance R24 and transformer, and the one of the transformer
End connects the output end of the operational amplifier U6 by the capacitance C28, and the other end of the transformer is grounded,
The both ends of the transformer are also respectively connected with the both ends of the capacitance C24, the both ends of the transformer secondary coil
It is separately connected the output interface module, the both ends of the transformer secondary coil are also respectively connected with the both ends of the resistance R24.
4. diabetic supersession therapeutic equipment according to claim 2, it is characterised in that：The detection circuit module includes optocoupler
Q5, optocoupler Q6, resistance R25 and resistance R26, the output of the input pin of the optocoupler Q5 input terminals and the optocoupler Q6 input terminals
Pin is separately connected an output end of the transformer module, the output pin of the optocoupler Q5 input terminals and the optocoupler Q6
The input pin of input terminal is separately connected the output interface module, the input pin and the optocoupler of the optocoupler Q5 output ends
The input pin of Q6 output ends is separately connected power supply, the output pin of the optocoupler Q5 output ends and the optocoupler Q6 output ends
Output pin passes sequentially through the resistance R25 and resistance R26 ground connection, the company of the resistance R25 and the resistance R26 respectively
Junction connects the controller module.
5. diabetic supersession therapeutic equipment according to claim 1, it is characterised in that：The digital display module includes number
Pipe driving chip U2, number pipe driving chip U3 and multiple charactrons, the controller module drive core by the charactron
Piece U2 connects the input terminal of the charactron, and the controller module passes through the digital pipe driving chip U3 connections number
The output end of pipe.
6. a kind of method that diabetic supersession therapeutic equipment described in claim 1 generates class sinusoidal signal, it is characterised in that：Including
Step 1, the three sections of processing of periodic signal point for generating microcontroller, respectively
Y1=t2, t ∈ (0-T/4),
Y2=(A-t)2, t ∈ (T/4-3T/4), A are constant；
Y3=(B-t)2, t ∈ (3T/4-T), B are constant；
The signal of above-mentioned segment processing is further processed by step 2 according to following equation
T ∈ (0-T/4), K are constant；
T ∈ (T/4-3T/4), K are constant；
T ∈ (3T/4-T), K are constant；
Signal (S1, S2, S3) is stored into designated memory space by step 3；
Step 4, in order call signal (S1, S2, S3), and the frequency and amplitude of adjustment signal (S1, S2, S3) as needed,
To obtain new signal (N1, N2, N3)；
Step 5 exports signal (N1, N2, N3) in the form of PWM, and class sinusoidal signal is obtained after RC is integrated.
7. the method that the diabetic supersession therapeutic equipment described in a kind of claim 6 generates class sinusoidal signal, it is characterised in that：Also wrap
It includes
Step 6 after the class sinusoidal signal to be filtered to amplification and modulation, is exported by transformer transformation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681048A (en) * | 2019-09-11 | 2020-01-14 | 王立俊 | Brain reflex therapeutic instrument |
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Application publication date: 20180907 |