CN106110500B - A kind of therapeutic device and its control method - Google Patents
A kind of therapeutic device and its control method Download PDFInfo
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- CN106110500B CN106110500B CN201610796037.9A CN201610796037A CN106110500B CN 106110500 B CN106110500 B CN 106110500B CN 201610796037 A CN201610796037 A CN 201610796037A CN 106110500 B CN106110500 B CN 106110500B
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0456—Specially adapted for transcutaneous electrical nerve stimulation [TENS]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
-
- 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
-
- 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
- A61N1/36021—External stimulators, e.g. with patch electrodes for treatment of pain
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
Abstract
It includes: control module that the present invention, which provides a kind of therapeutic device and its control method, the therapeutic device, for generating first control signal and second control signal simultaneously according to parameter preset；Ultrasonic drive unit is used to generate ultrasound drive signals according to first control signal；Low frequency drive unit is used to generate low frequency drive signal according to second control signal；Ultrasonic output section receives ultrasound drive signals for basis and converts electrical signals to focus ultrasonic wave；Low frequency output section, the low frequency pulse current for there is asymmetry index wave according to low frequency drive signal generation is received；Power module, for powering for drive module, ultrasonic output section, low frequency output section and control module.The present invention passes through low frequency drive unit and ultrasonic drive unit, ultrasonic output section and low frequency output section is driven to work simultaneously, low frequency pulse current had not only been generated in same treatment head but also had been generated and has focused ultrasound, and there is good therapeutic effect for arthritic, greatly improve therapeutic efficiency.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of therapeutic device and its control method, especially base
In the therapeutic device and its control method that focus ultrasound and transcutaneous electrical stimulation treatment of arthritis.
Background technique
Focused ultrasound therapy technology is a kind of technology using ultrasonic therapy disease, passes through ultrasonic transducer to lesion
Position issue focus ultrasonic wave, target area lesion is treated using the effect of ultrasonic wave, such as treat prostatitis, tumour,
The diseases such as the honest and clean rotten, proliferation of mammary gland of uterine neck, arthritis.Focused ultrasound therapy technology belongs to the treatment technology of atraumatic, therefore has
Have the advantages that at low cost, the small, few side effects of pain, almost without complication, restore fast, repeatable treatment.Meanwhile for many diseases
Sick others routine treatment cannot achieve the effect that focused ultrasound therapy.
Percutaneous nerve electric stimulation therapy (Transcuataneous electrical nerve stimulation,
It TENS) is that specific low frequency pulse current is inputted to treat the electrotherapeutic method of pain by human body by skin.I.e. by appropriate intensity
The electric current of frequency, continuous, soft stimulation nerve, muscle and cell, excitation body generate morphine naturally, block, pain of releiving
(message is energy) message, due to receiving preferable effect in terms of analgesic, thus clinically (especially in the U.S.)
To being widely applied.
However, the device of existing treatment of arthritis is ultrasonic therapeutic apparatus or TENS therapeutic equipment, there is no both integrated
The advantages of simultaneously lesion is treated；Meanwhile in ultrasonic therapy, the supersonic frequency used causes to treat for 1MHZ
Depth is shallower, is unable to reach the purpose of depth treatment；In addition, being mostly used greatly in the driving circuit design of ultrasonic therapeutic apparatus
Self-resonance driving circuit is not high so as to cause drive efficiency.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of therapeutic device and its controlling parties
Method is treated for solving in the prior art not being combined into one ultrasonic therapeutic apparatus or TENS therapeutic equipment to concentrate lesion, from
And the problem for causing therapeutic effect bad.
In order to achieve the above objects and other related objects, the present invention provides a kind of therapeutic device, and the therapeutic device includes:
Drive module, ultrasonic output section, low frequency output section, control module and power module；
The control module, for generating first control signal and second control signal simultaneously according to parameter preset；
The drive module, it includes low frequency drive unit and ultrasonic drive unit, the ultrasonic drive unit is used for root
Ultrasound drive signals are generated according to first control signal；The low frequency drive unit is used to generate low frequency according to second control signal and drive
Dynamic signal；
The ultrasound output section receives ultrasound drive signals for basis and converts electrical signals to focus ultrasonic wave；
The low frequency output section, the low frequency arteries and veins for there is asymmetry index wave according to low frequency drive signal generation is received
Rush electric current；
The power module, for powering for drive module, ultrasonic output section, low frequency output section and control module.
Another object of the present invention is to provide a kind of control methods of therapeutic device, comprising:
The parameter preset is obtained, first control signal and second control signal are generated according to the parameter preset simultaneously；
Respectively according to first control signal generation ultrasound drive signals corresponding with second control signal and low frequency driving
Signal；
The ultrasound drive signals drive ultrasonic output section transmitting focusing ultrasonic wave；The low frequency drive signal drives low frequency
Output section emits low frequency pulse current.
As described above, therapeutic device and its control method of the invention, have the advantages that
The present invention drives ultrasonic output section and low frequency output section work by low frequency drive unit and ultrasonic drive unit
Make, output low frequency pulse current and focusing ultrasonic wave have arthritic more preferable compared to for general Vltrasonic device
Therapeutic effect；Wherein, the reference frequency output for focusing ultrasonic wave is 0.5MHz~1MHz, and wide reference frequency output makes
Its effect that depth treatment can be generated to lesion；Combination of the ultrasonic drive unit based on E class High frequency amplification and transformer is led to
It crosses transformer output and avoids the danger that DC voltage directly exports electric leakage；Low frequency drive unit, which generates, has the non-of period frequency
Symmetry index wave, improves therapeutic effect；It is respectively correspondingly arranged transformer in low frequency drive unit and ultrasonic drive unit, is reached
To the purpose of coupling isolation, influence of the ultrasonic wave to low frequency pulse current of output is effectively reduced；By low frequency pulse current and
Focusing ultrasonic wave is integrated in same treatment head and treats to lesion, wherein is integrated in one by electrode slice and ultrasonic coupling agent
Body, treatment head and electrode slice clamping connection export lesion, improve the electromechanical coefficient of coup.
Detailed description of the invention
Fig. 1 is shown as a kind of structural block diagram of therapeutic device of the invention；
Fig. 2 is shown as a kind of structural block diagram of the low frequency drive unit of therapeutic device of the invention；
Fig. 3 is shown as a kind of circuit diagram of the ultrasonic drive unit of therapeutic device of the invention；
Fig. 4 is shown as a kind of structural block diagram of the ultrasonic drive unit of therapeutic device of the invention；
Fig. 5 is shown as a kind of circuit diagram of the ultrasonic drive unit of therapeutic device of the invention；
Fig. 6 is shown as a kind of embodiment circuit diagram of the ultrasonic drive unit of therapeutic device of the invention；
Fig. 7 is shown as a kind of control method flow chart of therapeutic device of the invention；
Fig. 8 is shown as the side view for the treatment of head in a kind of therapeutic device of the invention；
Fig. 9 is shown as the top view for the treatment of head in a kind of therapeutic device of the invention；
Figure 10 is shown as the bottom view for the treatment of head in a kind of therapeutic device of the invention.
Component label instructions:
1 control module
2 drive modules
3 power modules
4 low frequency output sections
5 ultrasonic output sections
21 low frequency drive units
22 ultrasonic drive units
211 digital-to-analogue subelements
212 follow subelement
213 low frequency driving subelements
214 first transformer subelements
221 control subelements
222 boosting subelements
223 second transformer subelements
224 filtering subunits
A1 fixing seat
A2 circular groove
A3 data port
S1~S3 step 1~step 3
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Referring to Fig. 1, the present invention provides a kind of structural block diagram of therapeutic device；Include:
The therapeutic device includes: drive module, ultrasonic output section, low frequency output section, control module and power module；
The control module 1, for generating first control signal and second control signal simultaneously according to parameter preset；
Wherein, the parameter preset is that user sets according to demand, according to the settable drive module rotation of parameter preset
Time and power.
The drive module 2, it includes low frequency drive unit 21 and ultrasonic drive unit 22, the ultrasonic drive unit 21
For generating ultrasound drive signals according to first control signal；The low frequency drive unit 21 according to second control signal for producing
Raw low frequency drive signal；
The ultrasound output section 5 receives ultrasound drive signals for basis and converts electrical signals to focus ultrasonic wave；
The low frequency output section 4, the low frequency for there is asymmetry index wave according to low frequency drive signal generation is received
Pulse current；
The power module 3, for powering for drive module 2, ultrasonic output section 5, low frequency output section 4 and control module 1.
Wherein, the low frequency output section in the application is transcutaneous electrical stimulation electrode；Ultrasonic output section is ultrasonic transducer；The warp
Transcutaneous electric nerve stimulation electrode and ultrasonic transducer are integrated in a treatment head part, are externally exported TENS simultaneously and are focused super
Sound wave；And the preferred combination of the present apparatus is that at least two treatment head parts simultaneously treat organism, two
When transcutaneous electrical stimulation electrode, ultrasonic transducer in treatment head externally export, closed circuit can be formed between power supply,
Therapeutic effect is improved by forming closed circuit.
The control module at least wants that DAC signal and pwm signal can be exported simultaneously；It is described focus ultrasonic wave frequency be
0.5MHz~1MHz will focus ultrasound and be combined into one with electrode slice couplant, mitigate doctor's labor intensity can guarantee again it is ultrasonic with
TENS therapeutic effect.
Wherein, the power module can be battery or external power supply, for example battery, then be preferably recycled charging
Battery.
In the present embodiment, it at most cannot namely be integrated in other fields, anything will not be caused to bear, and cured
It is not ideal that treatment field TENS and focusing ultrasound, which separate therapeutic effect, and one those skilled in the art also do not expect collecting the two
At；The two integrates the two will appear interference between each other；Three not can be implemented simultaneously the two and work at the same time.And in the application
TENS and focus ultrasound not just only integrated, it is integrated brought by therapeutic effect be also it is huge, it is easily right not can be carried out
Than；By low frequency drive unit and ultrasonic drive unit, while ultrasonic output section and low frequency output section being driven to work, is controlled same
It treats not only to have generated low frequency pulse current on head but also generated and focuses ultrasonic wave, good treatment is produced for diseases such as arthritis and is imitated
Fruit.
As shown in Fig. 2, the structural block diagram of the low frequency drive unit 21 for a kind of therapeutic device of the invention, specifically includes:
Digital-to-analogue subelement 211, the amplitude of the analog signal for controlling output；
Subelement 212 is followed, for generating the voltage signal with low output impedance and buffer action according to analog signal；
Low frequency driving subelement 213 has the non-right of period frequency for generating according to the conducting of voltage signal control circuit
Claim exponential wave；
First transformer subelement 214, for amplifying and handling the asymmetry index wave.
In the present embodiment, stable analog signal is exported by digital analog converter, adjusts the simulation by variable resistance
The amplitude of signal；Analog signal is isolated and is optimized using follower, generates more low-impedance voltage signal；Voltage signal
According to the period of change on or off field-effect tube of analog signal, so that the dedicated asymmetry index wave of medicine is generated, it will
The asymmetry index wave, which amplifies, to be output to transcutaneous electrical stimulation electrode and can treat to the lesion of patient, is reached and is controlled
The purpose for treating patient, improves therapeutic effect.
As shown in figure 3, the circuit diagram of the low frequency drive unit 21 for a kind of therapeutic device of the invention, specifically includes:
The digital-to-analogue subelement 211 includes digital analog converter and variable resistance R0, the output end string of the digital analog converter
Join one end of variable resistance, the other end of the variable resistance R0 connected with its control terminal described in follow the input of subelement 212
End；
Specifically, the controlled range of the variable resistance R0 is 0~2.1 kilohm, is reached by adjusting its Standard resistance range
Control the amplitude of the analog signal of digital analog converter output；Preferably, can also connect between digital analog converter and variable resistance R0
Zero resistance is connect, for testing digital analog converter output.
It is described that follow subelement 212 include follower A, first capacitor C1, first resistor R1 and second resistance R2, it is described with
One end of first capacitor C1 and first resistor R1, the negative input of the follower A are separately connected with the positive input of device A
One end of second resistance R2 is connected, the first capacitor C1, first resistor R1 and the other end of second resistance R2 are grounded, described
The positive control terminal of follower A connects the negative sense control terminal ground connection of the first supply voltage VCC1, the follower A, described to follow
The output end of device A connects low frequency driving subelement 213.
Specifically, the resistance value difference of the model LM258D, the first resistor R1 and second resistance R2 of the follower A
For 20 kilohms, 2.2 ohm, 3900 pico farad of first capacitor C1 capacitance, first supply voltage is 12 volts, first capacitor
C1 is used to filter out the analog signal of high frequency；First resistor is acted on for partial pressure, and the second resistance R2 plays the role of constant current.
The low frequency driving subelement 213 includes N-channel MOS pipe Q1,3rd resistor R3, the 4th resistance R4 and the second capacitor
C2, the grid of the N-channel MOS pipe Q1 are separately connected the output end of follower A and one end of 3rd resistor R3, the third electricity
Hinder the other end ground connection of R3；The negative input of the source electrode connection follower A of the N-channel MOS pipe Q1, the N-channel MOS pipe
The drain electrode of Q1 is separately connected one end of the 4th resistance R4 and the second capacitor C2, and the 4th resistance R4's and the second capacitor C2 is another
End is all connected with second source voltage VCC2.
Specifically, the 3rd resistor R3, the 4th resistance R4 resistance value be respectively 1 kilohm, 51 ohm, second electricity
Hold 5600 pico farad of C2 capacitance, the second source voltage VCC2 is 24 volts, and resistance R3 is used to release follower defeated for discharging
Voltage out, by the 4th resistance value R4 and the second capacitor C2 for generating the dedicated asymmetry index wave of medicine.
The first transformer subelement 214 includes the first transformer T1, first diode D1 and the 5th resistance R5, described
The anode of the first input end connection first diode D1 of first transformer T1, the cathode connection the 5th of the first diode D1
The one end resistance R5, the other end of the 5th resistance R5 connect the second input terminal of the first transformer T1, first transformer
The asymmetry index wave of the first output end and second output terminal the output amplification of T1.
Specifically, the coil ratio between the input terminal and output end of the transformer T1 is 40:450, two pole
The model IN4007 of pipe D1, diode D1 are freewheeling diode, and the resistance value of the 5th resistance R5 is 10 ohm, diode
D1 and the 5th resistance R5 composition freewheeling circuit prevents its reverse current from achieving the purpose that aerial drainage when transformer does not work, and protects
Circuit components connected to it set fixed coil ratio as 40:450 by transformer T1, the transformer T1 of coupling
Output can filter out the High-frequency Interference of ultrasonic drive unit.
In the present embodiment, in the source-drain electrode of N-channel MOS pipe Q1 if there is voltage, i.e. forward voltage is then connected, otherwise
It is not turned on；When N-channel MOS pipe Q1 conducting, by the 4th resistance value R4 and the second capacitor C2 for generating asymmetry index wave, lead to
It crosses transformer T1 and output is amplified to asymmetry index wave, the asymmetry index wave of output is added to transcutaneous electrical stimulation
Electrode forms the ultrasonic pulse that can treat disease.
As shown in figure 4, the structural block diagram of the ultrasonic drive unit 22 for a kind of therapeutic device of the invention, comprising:
Subelement 221 is controlled, for controlling control circuit on or off according to pwm signal；
Boost subelement 222, for being boosted to pwm signal when circuit conducting；
Second transformer subelement 223, for being amplified to the pwm signal of boosting；
Filtering subunit 224, for be filtered amplification pwm signal so that pwm signal loaded on by predeterminated frequency it is super
Voice output portion.
In the present embodiment, the control subelement 221 is combined into E class power amplification circuit for 222 groups of subelement with boosting, week
The pwm signal of phase property makes its rule conducting, will not continue to export；It is single by E class power amplification circuit and the second transformer
Member 223 couples, and the ultrasound drive signals that filtering subunit 224 can filter out output reach predeterminated frequency, can effectively avoid direct current
The danger of pressure directly output electric leakage, improves the electromechanical coefficient of coup.
As shown in figure 5, the circuit diagram of the ultrasonic drive unit 22 for a kind of therapeutic device of the invention, specifically includes:
The control subelement 221 is N-channel MOS pipe Q2, the grid connection pwm pulse letter of the N-channel MOS pipe Q2
Number, the source electrode ground connection of the N-channel MOS pipe Q2, the drain electrode connection amplification subelement of the N-channel MOS pipe Q2.
Specifically, N-channel MOS pipe Q2 primarily serves the effect of switch, can also be preferably in the grid of N-channel MOS pipe Q2
It connects between PWM input signal a resistance, the resistance value of the resistance is 5.1 kilo-ohms, which is delay N-channel MOS pipe Q2
Source grid charging time, keep its opening procedure smooth.
The boosting subelement 222 includes choke induction L, the second diode D2, third capacitor C3, the 6th resistance R6 and the 7th
Resistance R7, the drain electrode of the N-channel MOS pipe Q2 are separately connected the anode of the second diode D2, one end of third capacitor C3, the 7th
One end of resistance R 7；The cathode of the second diode D2 connects one end of the 6th resistance R6；The of the second transformer T2
Two input terminals be separately connected the other end of the 6th resistance R6, the other end of third capacitor C3, the 7th resistance R7 the other end and
One end of choke induction L；The other end of the choke induction L connects third power supply voltage VCC3；
The sub Unit 223 of second transformer are the second transformer T2, the secondary grade output end of the second transformer T2
(that is, third output end 3 is positive input terminal and the 4th output end 4 is positive input terminal) connects filtering subunit, second transformation
The simple input terminal (that is, first input end 1 is negative input end and the second input terminal 2 is positive input terminal) of device T2.
Specifically, the N-channel MOS pipe Q2 forms E power-like amplifier with each device in boosting subelement 222, described
Second transformer subelement is used for impedance matching: adjusting its maximum output power and signal phase to provide: making not
Same output voltage signal works in same phase, avoids reverse phase that voltage signal is caused to interfere counteracting；The choke induction L
To prevent electric current excessive and noise suppression, play the role of protecting circuit；The third power supply voltage VCC3 preferred voltage value is
24V；N-channel MOS pipe Q2 conducting, quick liter is played in parallel connection between the third capacitor C3, the 6th resistance R6 and the 7th resistance R7
The effect of pressure, the second diode D2 conducting；And N-channel MOS pipe Q2 ends, capacitor C3 electric discharge, the second diode D2 cut-off.
The filtering subunit 224 includes the 4th capacitor C4, the 5th capacitor C5, the 8th resistance R8 and the 9th resistance R9；Institute
It states and distinguishes the 4th capacitor C4 in parallel, the 5th capacitor C5, institute between the third output end 3 of the second transformer T2 and the 4th output end 4
State one end that the 5th both ends capacitor C5 respectively connect the 8th resistance R8 and the 9th resistance R9, the 8th resistance R8 and the 9th resistance R9
The other end be grounded；The 5th capacitor C5 is connected between the 8th resistance R8, the 9th resistance R9 and exports ultrasound-driven
Signal.
Specifically, described capacitor C4, C5 are used to adjust the voltage for focusing ultrasonic chip, achieve the purpose that partial pressure；It is described
8th resistance R8, the 9th resistance R9 with it is in parallel after capacitor form RC filter capacitor, for RC filter matching waveform purpose；Institute
State the port for the ultrasound drive signals that are negative between the 5th capacitor C5 and the 8th resistance R8, the 5th capacitor C5 and the 9th resistance R9
Between be positive the ports of ultrasound drive signals.
As shown in fig. 6, the embodiment circuit diagram of the ultrasonic drive unit for a kind of therapeutic device of the invention；
In the present embodiment, Fig. 6 is that there are two identical ultrasonic drive units to constitute；On the basis of Fig. 5；Respectively every
Second input terminal of the second transformer parallel connection third diode D3 and the 6th capacitor C6 respectively in a ultrasonic drive unit, described the
The other end of three diode D3 and the 6th capacitor C6 is grounded；Wherein, the third diode D3 is to prevent input voltage amplitude
It is excessive；The 6th capacitor C6 is for filtering；
It is additionally provided with the 5th diode D5 between choke induction L and the second input terminal of the second transformer, the 7th capacitor C7,
Anode connection one end choke induction L of 8th capacitor C8 and the 4th supply voltage VCC4, the 5th diode D5, the chokes
The second input terminal of other end connection the 4th supply voltage VCC4 and the second transformer of inductance L, the value of the 4th supply voltage are
24V, the 5th diode D5 prevent reverse current for protecting circuit；The 7th capacitor C7, the 8th capacitor C8 are connected in parallel on
For filtering between 5th diode D5 anode and choke induction L.
As shown in fig. 7, being a kind of control method flow chart of therapeutic device of the invention, comprising:
Step S1 obtains the parameter preset, generates first control signal and the second control simultaneously according to the parameter preset
Signal processed；
Specifically, parameter preset is that user selects setting, and the driving signal is adjusted through parameter preset, the first control
Signal is the period for controlling pwm signal, and second control signal is to control amplitude and the period of DAC signal.
Step S2, respectively according to first control signal generation ultrasound drive signals corresponding with second control signal and low
Frequency driving signal；
Step S3, the ultrasound drive signals drive ultrasonic output section transmitting focusing ultrasonic wave；The low frequency drive signal
Low frequency output section is driven to emit low frequency pulse current；
Wherein, the ultrasound drive signals, that is, pwm signal is by driving ultrasonic transducer transmitting focusing ultrasonic wave；It is described
Low frequency drive signal passes through transcutaneous electrical stimulation electrode emission low frequency pulse current.
Specifically, in use, the therapeutic device exports treatment wave to user's lesions position by treatment head, such as
Shown in Fig. 8 to Figure 10, side view, top view, the bottom view for the treatment of head respectively in this hair therapeutic device；
Each treatment head includes fixing seat A1, and spill circular groove A2 is embedded on the fixing seat A1, described recessed
Ultrasonic transducer is installed in shape circular groove A2 and externally exports focusing ultrasonic wave, the height of the spill circular groove A2 is slightly larger than described
Fixing seat height；At least three card slots are equipped with along the spill edge circular groove A2 in the fixing seat, meanwhile, it is set in electrode slice
There is the sheet metal of hollow out, which is the annulus of protrusion, which is mutually matched with spill circular groove A2,
The annulus edge of protrusion is equipped at least three buckles, by rotation therapy head buckle is mutually twisted with card slot；The electrode
Piece has adhesive, can be stable be adsorbed on lesions position, without binding or hand steered, to alleviate the workload of doctor, lead to
When electricity work, when spill circular groove A2 externally discharges and focuses ultrasonic wave, by the releasable TENS of sheet metal, reach two kinds for the treatment of waves
Lesions position is acted on simultaneously.
Specifically, the shape of the fixing seat A1 can be circular cylinder or rectangular cylinder or elliptic cylindrical, in the application
It is preferred that elliptic cylindrical, the card slot be may also set up in fixing seat A1 concave shaped circular groove A2 outer wall, as long as with annulus in electrode slice
Shape size is adapted, and card slot can be realized with the buckle on annulus and be engaged, and is clamped in a manner described, and it is quick to split assembling
It is convenient, it is easy to operate, while clamping fastening is connected, it is not easily to fall off.
Data port A3 is equipped on the fixing seat A1 of the elliptic cylindrical in such as Fig. 8 to 10, the data port A3 is for passing
Defeated low frequency pulse current and focusing ultrasonic wave.
In conclusion the present invention is by low frequency drive unit and ultrasonic drive unit, while driving ultrasonic output section and low
The work of frequency output section, output low frequency pulse current and focusing ultrasonic wave suffer from arthritis compared to for general Vltrasonic device
Person has better therapeutic effect；Wherein, the reference frequency output for focusing ultrasonic wave is 0.5MHz~1MHz, wide output frequency
Rate range enables it to generate the effect of depth treatment to lesion；The ultrasonic drive unit is based on E class High frequency amplification and transformation
The combination of device avoids the danger that DC voltage directly exports electric leakage by transformer output；Low frequency drive unit generation has
The asymmetry index wave of period frequency, improves therapeutic effect；It is respectively corresponding with ultrasonic drive unit in low frequency drive unit
Transformer is set, achievees the purpose that coupling isolation, effectively reducing influence of the ultrasonic wave of output to low frequency pulse current will be low
Frequency pulse current and focusing ultrasonic wave are integrated in same treatment head and treat to lesion, wherein pass through electrode slice and ultrasonic coupling
Mixture is integrated in one, and treatment head and electrode slice clamping connection export lesion, improves the electromechanical coefficient of coup.So this
Invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of therapeutic device, which is characterized in that the therapeutic device includes: drive module, ultrasonic output section, low frequency output
Portion, control module and power module；
The control module, for generating first control signal and second control signal simultaneously according to parameter preset；
The drive module, it includes low frequency drive unit and ultrasonic drive unit, the ultrasonic drive unit is used for according to the
One control signal generates ultrasound drive signals；The low frequency drive unit is used to generate low frequency driving letter according to second control signal
Number；The ultrasonic drive unit includes:
Subelement is controlled, for controlling control circuit on or off according to pwm signal, wherein the control subelement is N ditch
The grid of road metal-oxide-semiconductor Q2, the N-channel MOS pipe Q2 connect pwm pulse signal, the source electrode ground connection of the N-channel MOS pipe Q2, institute
State the drain electrode connection boosting subelement and the second transformer subelement of N-channel MOS pipe Q2；
Boost subelement, for being boosted to pwm signal when circuit conducting；
Second transformer subelement, for being amplified to the pwm signal of boosting；
Filtering subunit, for the pwm signal of amplification to be filtered, so that pwm signal loads on ultrasonic output by predeterminated frequency
Portion；
The ultrasound output section receives ultrasound drive signals for basis and converts electrical signals to focus ultrasonic wave；
The low frequency output section, the low-frequency pulse for there is asymmetry index wave according to low frequency drive signal generation is received
Stream；
The power module, for powering for drive module, ultrasonic output section, low frequency output section and control module.
2. therapeutic device according to claim 1, which is characterized in that the low frequency drive unit includes:
Digital-to-analogue subelement, the amplitude of the analog signal for controlling output；
Subelement is followed, for generating the voltage signal with low output impedance and buffer action according to analog signal；
Low frequency driving subelement, for generating the asymmetry index with period frequency according to the conducting of voltage signal control circuit
Wave；
First transformer subelement, for amplifying and exporting the asymmetry index wave.
3. therapeutic device according to claim 2, which is characterized in that the digital-to-analogue subelement includes digital analog converter and can
Power transformation resistance, one end of the output end series connection variable resistance of the digital analog converter, the other end of the variable resistance and its control
The input terminal of subelement is followed described in the connection of end；
Described to follow subelement include follower, first capacitor, first resistor and second resistance, the positive input of the follower
End is separately connected one end of first capacitor and first resistor, and the negative input of the follower connects one end of second resistance,
The other end of the first capacitor, first resistor and second resistance is grounded, the positive control terminal connection first of the follower
Supply voltage, the negative sense control terminal ground connection of the follower, the output end of the follower connect low frequency driving subelement.
4. therapeutic device according to claim 3, which is characterized in that the low frequency driving subelement includes N-channel MOS pipe
Q1,3rd resistor, the 4th resistance and the second capacitor, the grid of the N-channel MOS pipe Q1 be separately connected follower output end and
One end of 3rd resistor, the other end ground connection of the 3rd resistor；The source electrode connection follower of the N-channel MOS pipe Q1 is born
To input terminal, the drain electrode of the N-channel MOS pipe Q1 is separately connected one end of the 4th resistance and the second capacitor, the 4th resistance
Second source voltage is all connected with the other end of the second capacitor, wherein the 4th resistance is 51 ohm, second electricity
Appearance capacitance is 5100 pico farads.
5. therapeutic device according to claim 2, which is characterized in that the first transformer subelement includes the first transformation
Device, first diode and the 5th resistance, the anode of the first input end connection first diode of first transformer, described the
The cathode of one diode connects the 5th resistance one end, and the other end of the 5th resistance connects the second input of the first transformer
End, the asymmetry index wave of the first output end and second output terminal the output amplification of first transformer, wherein described first
The simple and subgrade coil turn ratio of transformer is 40:450.
6. therapeutic device according to claim 1, which is characterized in that the boosting subelement includes choke induction, second
The drain electrode of diode, third capacitor, the 6th resistance and the 7th resistance, the N-channel MOS pipe Q2 is separately connected the second diode
Anode, one end of third capacitor, the 7th resistance one end；The cathode of second diode connects one end of the 6th resistance；Institute
The second input terminal for stating the second transformer is separately connected the other end of the 6th resistance, the other end of third capacitor, the 7th resistance
One end of the other end and choke induction；The other end of the choke induction connects third power supply voltage；Second transformer
Unit is the second transformer, the both ends of the simple input terminal connection third capacitor of second transformer, second transformer
Secondary grade output end connect filtering subunit.
7. therapeutic device according to claim 1, which is characterized in that the filtering subunit includes the 4th capacitor, the 5th
Capacitor, the 8th resistance and the 9th resistance；4th capacitor in parallel, the respectively between third and fourth output end of second transformer
Five capacitors, the 5th capacitor both ends respectively connect one end of the 8th resistance and the 9th resistance, the 8th resistance and the 9th resistance
The other end be grounded；5th capacitance connection is between the 8th resistance, the 9th resistance and exports ultrasound drive signals.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107441638A (en) * | 2017-08-22 | 2017-12-08 | 安徽瑞德医疗设备制造有限公司 | Integrated system with ultrasound and electrical stimulating therapy |
| CN108233872A (en) * | 2017-12-20 | 2018-06-29 | 四川泰猷科技有限公司 | A kind of driving circuit and therapeutic equipment based on focusing ultrasound |
| WO2019127355A1 (en) * | 2017-12-29 | 2019-07-04 | 成都泰禾医疗科技有限公司 | Ultrasonic device for postpartum rehabilitation |
| CN109289131B (en) * | 2018-08-17 | 2020-02-18 | 广州合舜医疗器械有限公司 | Little current ultrasonic wave line carving beauty instrument control circuit |
| CN108904976A (en) * | 2018-08-23 | 2018-11-30 | 广州市睿盛医疗器械有限公司 | Drive control circuit and physiotherapy equipment |
| CN110708030B (en) * | 2019-10-08 | 2023-04-14 | 四川泰猷科技有限公司 | Power amplification circuit, method and device |
| CN113101521A (en) * | 2021-05-21 | 2021-07-13 | 四川步歌科技有限公司 | Pain therapeutic instrument |
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Denomination of invention: The invention relates to a treatment device and a control method thereof Effective date of registration: 20211019 Granted publication date: 20190108 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: SICHUAN TAIYOU TECHNOLOGY Co.,Ltd. Registration number: Y2021510000255 |