CN112933389B - Portable ultrasonic direct current electric pulse iontophoresis therapeutic instrument - Google Patents
Portable ultrasonic direct current electric pulse iontophoresis therapeutic instrument Download PDFInfo
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- CN112933389B CN112933389B CN202011220059.3A CN202011220059A CN112933389B CN 112933389 B CN112933389 B CN 112933389B CN 202011220059 A CN202011220059 A CN 202011220059A CN 112933389 B CN112933389 B CN 112933389B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0092—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin using ultrasonic, sonic or infrasonic vibrations, e.g. phonophoresis
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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
- A61N1/325—Applying electric currents by contact electrodes alternating or intermittent currents for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M2037/0007—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin having means for enhancing the permeation of substances through the epidermis, e.g. using suction or depression, electric or magnetic fields, sound waves or chemical agents
Abstract
The invention belongs to the field of medical instruments, and particularly relates to a portable ultrasonic direct current pulse iontophoresis therapeutic apparatus. The invention comprises the following steps: battery, control panel, bottom plate, PET button and treatment head, wherein: the positive negative pole of battery passes through wire and terminal connector access bottom plate, and the control panel passes through the single row contact pin of both sides and is connected with row's mother on the bottom plate, and the signal line of PET button connects in the control panel through the winding displacement, and the treatment head connects in the bottom plate. The invention can improve the activity of human skin so as to enhance the absorption capacity of the skin to drugs, and introduces the drugs into subcutaneous tissues to enter human muscles and blood aiming at local focus parts of human body by adopting a non-invasive administration mode, thereby directly playing the therapeutic effect of the drugs and achieving the effect of target site treatment.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a portable ultrasonic direct current pulse iontophoresis therapeutic apparatus.
Background
In medicine, the traditional treatment modes adopt the treatment modes of injection, medicine taking, external application and the like, and the treatment modes can achieve the treatment effect only by the absorption and transformation process of a human body to the medicine. Thus, it can be a relatively long time for a patient to suffer from the disease. With the gradual development of electronic technology and the wide application of physical therapy technology, a novel therapy can be realized by introducing modes such as direct current pulse, ultrasound and the like.
The ultrasonic direct current electric pulse iontophoresis therapeutic apparatus can realize a novel therapy of introducing medicines into a human body from the surface of human skin. According to the position of an affected part, current and ultrasonic waves are applied to the skin, the pharmacological action of the penetrated medicine is not changed, the permeability of the medicine and the absorption capacity of the skin to the medicine are increased, the medicine is pushed to a local focus part of a human body through the skin and a biological membrane to form local concentration and infiltration in a certain range, the medicine is promoted to transfer from the outside of cells to the inside of the cells, the treatment effect of the medicine is directly exerted, and the treatment effect of target site treatment is achieved. In local superficial tissues, the drug concentration can be 20 to 100 times higher than that of the intramuscular injection. And this is a non-invasive way of administering the drug.
In consideration of convenience in the practical application process, the size of the equipment is not easy to be too large, if the commercial power is used for supplying power by 220V, the power supply of the equipment is limited, a hospital needs to provide a fixed place, a patient also needs to go to the hospital or a fixed space for treatment in person, and space personnel are dense in the treatment process, so that mutual interference can be caused.
Disclosure of Invention
The invention discloses a portable ultrasonic direct current pulse iontophoresis therapeutic apparatus which is small in size, low in power consumption, simple to operate, comfortable to use and convenient to carry, and a patient can be treated at any time and any place according to medical advice, so that special equipment space of a hospital is saved. The problems caused by the equipment are solved.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a portable supersound direct current pulse iontophoresis therapeutic instrument, constant current source charging circuit including the order connection, discharge circuit, the main control chip, from the chip respectively with electric pulse generating circuit, ultrasonic wave generating circuit links to each other, be equipped with first level conversion regulator group between constant current source charging circuit and the main control chip, discharge circuit loops through the transformer, second level conversion regulator group is connected with from the chip, discharge circuit links to each other with the main control chip, it has the battery to connect between constant current source charging circuit and the discharge circuit, wherein:
the constant-current source charging circuit is used for charging the therapeutic instrument battery, after the therapeutic instrument battery is connected to the power adapter, the battery is charged through the constant-current source charging circuit, the output of the constant-current source charging circuit is the input of the battery, and meanwhile, the battery power supply is output to the discharging circuit and is used as the input of the discharging circuit;
the discharge circuit is used for supplying power to the transformer, so that the transformer generates an isolated power supply;
the main control chip is used for switching control processing of a power supply output by the battery through the discharge circuit;
the slave chip is used for converting the isolated power supply output by the transformer into sine waves;
an electric pulse generating circuit for converting a sine wave into a sine-form pulse wave;
and the ultrasonic wave generating circuit is used for outputting ultrasonic waves generated by the three-point type oscillating circuit.
The first level conversion voltage stabilizer group is used for performing voltage reduction processing on the voltage output by the battery and outputting the voltage to the relay coil;
and the second voltage stabilizer group is used for carrying out secondary voltage reduction processing on the voltage output by the first level conversion voltage stabilizer group and outputting the voltage to the main control chip.
The electric pulse generating circuit is connected with the relay contact which is connected with the treatment head, the main control chip is connected with the relay coil, and the pins of the main control chip control the on-off of the relay coil, so that the electric pulse is controlled to be reversed, and the two ends of the treatment head are reversed and output.
The main control chip is also connected with the keys and used for the user to operate, the user can input parameters of the electric pulse voltage, the frequency and the ultrasonic frequency into the equipment, and the equipment can output corresponding treatment signals.
A portable ultrasonic direct current pulse iontophoresis therapy apparatus, comprising: battery, control panel, bottom plate, PET button and treatment head, wherein: the positive negative pole of battery passes through wire and terminal connector access bottom plate, and the control panel passes through the single row contact pin of both sides and is connected with row's mother on the bottom plate, and the signal line of PET button connects in the control panel through arranging the needle, and the treatment head comprises ultrasonic transducer piece and stainless steel bowl, and ultrasonic transducer piece is arranged in the middle of the stainless steel bowl, and the two adopts insulating cement to bond and connects, and the treatment head lead-out wire connects in the bottom plate.
The control panel is a rectangular circuit board, two sides of the circuit board are respectively provided with a single row of contact pins for connecting with the row bus of the bottom plate, the control panel also comprises a main control chip, a display screen, a storage unit, an audio chip, a word stock chip and a key interface for accessing the keys, wherein the display screen, the storage unit, the audio chip and the word stock chip are respectively connected with the main control chip; the audio signal pin of the main control chip is connected with the audio chip arranged on the bottom plate through the pin header, and the signal is amplified and then led out of the wiring terminal from the bottom plate to be connected with the loudspeaker.
The bottom plate includes: from chip, DC interface, constant current source charging circuit, discharge circuit, transformer, electric pulse generating circuit, ultrasonic wave generating circuit, first regulator group, second regulator group, oscillating circuit, voltage control circuit, constant current source circuit, relay and optical coupler, wherein:
the DC charging interface is connected with the input of the diode D1, the input end of the constant current source charging circuit is connected with the output of the diode D1, the output end of the constant current source charging circuit and the input end of the discharging circuit are grounded through a battery, the input end of the discharging circuit is connected with a power supply pin VCC of a main control chip of the control panel through a first voltage regulator group, the output end of the discharging circuit is connected with a power supply pin VCC of a slave chip through a transformer and a second voltage regulator group in sequence, the first control pin PWM of the slave chip outputs to the oscillating circuit to drive ultrasonic wave output, the input of the electric pulse generating circuit is connected with a second control pin PWM of the slave chip through a voltage regulating circuit and is connected with a digital analog DA pin of the slave chip through the constant current source circuit, the output of the electric pulse generating circuit is connected with the main control chip of the control panel through a relay, and the slave chip is connected with the main control chip of the control panel through an optical coupler.
The constant current source charging circuit includes: the output end of the diode D1 is used as the input end of the constant current source charging circuit and is grounded through the electrolytic capacitor C6; the DCIN pin of the charging chip is connected with the output end of the diode D1; a CHG pin of the charging chip is connected with the output end of the diode D1 through a resistor R1; an NTC pin of the charging chip is connected with the output end of the diode D1 sequentially through a resistor R3 and a resistor R2, and the resistor R2 and the resistor R3 are grounded through a capacitor C1; the RT pin of the charging chip is grounded through a resistor R4; an ITH pin of the charging chip is grounded through a resistor R5 and a capacitor C2 in sequence; an INFET pin of the charging chip is connected with a grid electrode of the MOSFET tube M1, a drain electrode of the MOSFET tube M1 is connected with an output end of the diode D1, and a source electrode of the MOSFET tube M1 is connected with a source electrode of the MOSFET tube M2; the CLP pin of the charging chip is connected with the source electrode of the MOSFET M2 through a resistor R6; the CLN pin of the charging chip is connected with the source electrode of the MOSFET tube M2 through a resistor R7, a capacitor C3 is connected between the CLP pin of the charging chip and the CLN pin of the charging chip, and the source electrode of the MOSFET tube M2 is grounded through a capacitor C4; a TGATE pin of the charging chip is connected with a grid electrode of the MOSFET tube M2, and a drain electrode of the MOSFET tube M2 is connected with a drain electrode of the MOSFET tube M3; the BGATE pin of the charging chip is connected with the grid electrode of the MOSFET (metal-oxide-semiconductor field effect transistor) M3, and the source electrode of the MOSFET M3 is grounded; the CSP pin of the charging chip is connected with the drain electrode of the MOSFET M3 through the inductor L1; a BAT pin of the charging chip is connected with a drain electrode of the MOSFET tube M3 through a resistor R8 and an inductor L1 in sequence; the drain electrode of the MOSFET M3 is grounded through a diode D2; the BAT pin of the charging chip is used as the output end of the constant current source charging circuit and is grounded through the electrolytic capacitor C7, the capacitor C5 and the lithium battery respectively.
The discharge circuit includes: the drain electrode of the MOSFET tube M4 is used as the input end of the discharge circuit and is connected with the grid electrode of the MOSFET tube M4 through a resistor R9; the grid electrode of the MOSFET tube M5 is respectively connected with the resistor R10 and the resistor R11 and is grounded through the resistor R11, the source electrode of the MOSFET tube M5 is grounded, the drain electrode of the MOSFET tube M5 is connected with the grid electrode of the MOSFET tube M4, the source electrode of the MOSFET tube M4 is used as the first output end of the discharge circuit and is connected with the transformer, and the grid electrode of the MOSFET tube M5 is used as the second output end of the discharge circuit after passing through the resistor R10 and is connected with the IO pin of the main control chip of the control panel; and the IO pin of the main control chip controls the conduction of the M5, so that the M4 is driven to be conducted to output the power supply.
The electric pulse generating circuit includes: the base electrode of the triode Q1 is respectively connected with the PWM pin of the slave chip through a resistor R12 and is grounded through a resistor R13, the emitting electrode of the triode Q1 is grounded, and the collecting electrode of the triode Q1 is connected with the voltage regulating circuit through a resistor R14; the emitting electrode of the triode Q2 is connected with the voltage regulating circuit, the base electrode of the triode Q2 is connected with the collecting electrode of the triode Q1, and the collecting electrode of the triode Q2 is connected with the collecting electrode of the triode Q3; the base electrode of the triode Q3 is connected with the collector electrode of the triode Q1, the emitter electrode of the triode Q3 is grounded, and the collector electrode of the triode Q3 is connected with the collector electrode of the triode Q4 through the capacitor C8, the relay and the capacitor C9 in sequence; the base electrode of the triode Q4 is connected with the output end of the operational amplifier through a resistor R15, and the emitting electrode of the triode Q4 is grounded through a resistor R16; the positive input end of the operational amplifier is connected with the DA pin of the slave chip through a resistor R17 and is grounded through a capacitor C11, and the negative input end of the operational amplifier is grounded through a capacitor C10.
The ultrasonic wave generating circuit includes: the base electrode of the triode Q6 is respectively connected with a first PWN pin of the slave chip through a resistor R20 and the emitter electrode of the triode Q6 through a resistor R21, the emitter electrode of the triode Q6 is grounded, the collector electrode of the triode Q6 is respectively connected with the emitter electrode of the triode Q5 through a resistor R18 and the base electrode of the triode Q5 through a resistor R19; the collector of the triode Q5 is respectively connected with the first three-point oscillating circuit and the second three-point oscillating circuit.
The first three-point oscillation circuit specifically includes: one end of the resistor R22 is connected with the collector of the triode Q5, the other end of the resistor R22 is grounded through the capacitor C12, the other end of the resistor R is connected with one end of the capacitor C13 through the inductor L2, and the other end of the capacitor C13 is used as the output end of the three-point oscillation circuit 1 and is connected with the treatment head; between the inductor L2 and the capacitor C13, the base electrode of the triode Q7 is connected through a resistor R23, and the emitter electrode of the triode Q7 is connected through a capacitor C14; a capacitor C16 is connected between the base electrode of the triode Q7 and the collector electrode of the triode Q7, a capacitor C15 is connected between the collector electrode of the triode Q7 and the emitter electrode of the triode Q7, and the emitter electrode of the triode Q7 is grounded sequentially through an inductor L3 and a resistor R24.
The first three-point type oscillating circuit and the second three-point type oscillating circuit have the same structure.
The invention has the following beneficial effects and advantages:
1. the drug introduction therapeutic apparatus adopts a mode of combining ultrasonic waves and direct current pulses, and the ultrasonic waves applied to the skin can improve the skin vitality and the absorption capacity of macromolecular drugs. The application of an electric pulse to the skin allows the drug to pass through the electric current into the subcutaneous tissue of the human body, further increasing the permeability of the drug.
2. The drug-introduced therapeutic apparatus can directly play the therapeutic role of the drug aiming at the local focus part of the human body, thereby achieving the therapeutic effect of target treatment.
3. The treatment of the drug introduction therapeutic apparatus of the invention is a non-invasive drug administration treatment mode.
4. The drug introduction therapeutic apparatus has the characteristics of miniaturization and portability, and ensures that the treatment of a patient is not limited by physical space.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a control panel system layout;
FIG. 3 is a floor system layout;
FIG. 4 is a circuit diagram of a constant current source charging circuit;
FIG. 5 is a circuit diagram of a discharge circuit;
FIG. 6 is a circuit diagram of an electrical pulse generating circuit;
fig. 7 is a circuit diagram of an ultrasonic wave generating circuit.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in figure 1, unlike the conventional ultrasonic DC pulse iontophoresis therapeutic apparatus, the power supply is powered by a built-in 11.1V lithium battery. The other parts of the therapeutic apparatus also comprise: control panel, bottom plate, PET pad pasting button, shell, ultrasonic pulse treatment head and 15V2A adapter.
The invention relates to a medical device powered by an 11.1V lithium battery.A MCU (microprogrammed control Unit) sends a command through a serial port, so that a DSP (digital signal processor) controls a corresponding circuit and outputs an electric pulse signal and an ultrasonic signal to achieve the treatment effect on a patient. The problem of leakage current safety is considered, the treatment part adopts an isolated transformer for power supply, the serial communication adopts optical coupling isolation, the electric pulse and ultrasonic reversing part adopts a relay for reversing and can also play an isolation control role, so that no electric shock risk is caused in the treatment process of a patient, and in addition, the equipment has the functions of screen display, key input, communication with an upper computer, audio output, battery charging and the like.
As shown in fig. 3, the bottom plate includes a charging and discharging circuit of the battery, level conversion, signal detection, optical coupling isolation, relay control, a transformer, a USB interface, a battery interface, a DC charging interface, and a therapy head interface. Because the portable type is one-to-one bound with the patient, more treatment output does not need to be designed, and the space is saved.
As shown in fig. 2, the control panel includes a display screen, a key interface, a serial port communication, a storage unit, and an audio output.
The two circuit boards are combined in a pin header and female header inserting mode, and the control board is located on the bottom board. The space is fully utilized in the form of two-layer stacking, the size of the equipment is reduced, and the portability of the equipment is improved.
The shell of the equipment leads out a serial port in the form of a MICRO USB interface, the shell can be connected with a PC, a doctor writes treatment parameters of a patient into the equipment through the PC, the equipment and the patient are bound one by one, and the treatment can be carried out by starting the equipment without setting the parameters of the equipment during the treatment of the patient.
A portable ultrasonic direct current pulse iontophoresis therapeutic apparatus comprises a lithium battery with the rated voltage of 11.1V, the electric quantity of 1200mAH and the volume of 65 multiplied by 35 multiplied by 12mm, the lithium battery is arranged in the apparatus, and the two ends of the positive electrode and the negative electrode of the battery are connected to a circuit board bottom board through leads and terminal connectors to provide a power supply for the whole system. The bottom plate is designed with a level switching circuit, 5V is output to provide power for the relay commutation in a non-isolated part, and 3.3V is output to provide power for the control panel chip and other IC devices of the whole system.
The control panel is the core component of this therapeutic instrument, and the design has a main control chip above, selects STM32F103RCT6 that economic nature is higher, and other peripheral hardware include 2.4 cun SPI display screen Z240IT010 and can show chinese word stock chip GT30L32 on the display screen, FT232 chip that is used for with the serial port communication of PC, memory cell EEPROM _24C256, audio frequency chip NS4168 and the key interface that has the music output function. The control board is a rectangular circuit board, 12-pin single-row pins are respectively arranged on two sides of the control board and used for being combined with the row bus of the bottom board, and in addition, power supply pins and IO of the main chip and the peripheral devices are led out through the row pins and used for receiving power supply and detecting and sending signals.
The bottom plate mainly realizes the functions of charging and discharging, level conversion and treatment of the therapeutic apparatus. The left side of the bottom plate is provided with a battery interface and a DC charging interface, after the adapter is connected, the constant current source charging circuit starts to work, the LTC40062 core constant current source charging circuit is selected, the charging current of the constant current source charging circuit is 2A, a 1200mAH battery can be fully charged in 40 minutes, and the therapeutic apparatus can work for 200 minutes after the battery is fully charged. As shown in fig. 4, in the charging process of the charging circuit of the bottom plate constant current source, the LTC40062 may send an AD signal of an actual charging current through the pin AD _ IMON and send an electricity-quantity full-charge signal through the ACP pin, the main control chip may detect the charging state of the battery through these signals, and may display these information on the screen for the user to check, and the screen may display the electricity quantity of the battery in a non-charging state. The left side of the bottom plate is also provided with a MICRO USB interface, and communication signals of the control panel main control chip are led to the bottom plate by the pin header to be connected with the USB for later data interactive use with a PC.
Including first regulator group, second regulator group in the bottom plate, wherein:
the first level conversion voltage stabilizer group is used for reducing the voltage of a power supply output by the battery to 5V, processing the voltage and outputting the processed voltage to a relay coil;
and the second voltage stabilizer group is used for reducing the voltage of 5V output by the first level conversion voltage stabilizer group to 3.3V for processing and outputting the processed voltage to the main chip.
The 30V output by the transformer is output by 12V through the level conversion voltage stabilizer, the 12V is output by the level conversion voltage stabilizer, the 5V is output by the level conversion voltage stabilizer and is used for outputting to the ultrasonic wave generating circuit, and the 5V is output by the level conversion voltage stabilizer and is used for supplying power to the slave chip, wherein the 3.3V is output by the level conversion voltage stabilizer.
In order to avoid the waste of electric quantity, the circuit of the treatment part on the bottom plate only needs to supply power in the treatment process of the patient, and a discharge switch is needed to realize the function by adopting an MOS tube. As shown in fig. 5, is a bottom discharge circuit. The IRLML6402 is a P-channel MOSFET with the current output capacity of 4.9A, and in order to improve the driving capacity, the N-channel MOSFET AO3400 connects the source thereof to the gate electrode of the IRLML6402, so that the on-off of the IRLML6402 can be driven by controlling the on-off of the AO3400 by the IO pin of the main control chip, and the power supply of a treatment part circuit is controlled.
Because the therapeutic instrument belongs to a medical appliance product, the condition of charging treatment of the equipment connection adapter exists, and the leakage current safety problem needs to be considered, the bottom plate adopts an isolation design. The charging and discharging part and the connected control panel part belong to the same equipotential ground, and the treatment part is contacted with the skin of a patient by adopting an isolation method. The power supply of the isolation part is an isolated 30V power supply obtained by a flyback switching power supply after battery discharge, the flyback switching power supply comprises a transformer, a UC3845, a voltage reference TL431 and an optocoupler PC817, and the scheme is mature, so that the detailed description is omitted. In addition, two paths of signals RXD and TXD of serial port communication of the control panel and the treatment circuit need to be isolated by an optocoupler TLP 293. Finally, the relay HFD3-V/5 used for controlling the electric pulse commutation also plays an isolation role and is transmitted to the bottom plate by the control plate IO for control.
The circuit of the soleplate therapy part consists of a control chip DSPIC33FJ16GS502, a level conversion circuit, a transformer boosting circuit, a direct current pulse generating circuit and an ultrasonic generating circuit.
The power supply of the DSPIC33FJ16GS502 and the power supply of each IC chip are obtained by a level conversion circuit.
The voltage of the electric pulse is adjustable from 0 to 90V, a second transformer of the bottom plate adopts a transformer with the turn ratio of 1 to 3, 30V voltage is input to the primary side, and the DSPIC33FJ16GS50 outputs PWM waves with adjustable duty ratio to adjust the voltage added to the primary side of the transformer to change between 0 and 30V, so that the voltage of 0 to 90V can be generated by the secondary side of the proportional transformer of 1.
The DC pulse can generate electric hole, commonly called electric needle, to make patient feel comfortable, improve cell metabolism and promote drug absorption. The dc electric pulse consists of a triode drive circuit and a constant current source current regulating circuit, and as shown in fig. 6, the dc electric pulse is an electric pulse commutation drive circuit, which switches a relay and controls the positive and negative directions of the electric pulse.
VT is adjustable 0-90V voltage, different voltages determine the amplitude of output PULSE, PULSE is output by the control chip, and the output frequency of electric PULSE is determined. The DA signal is also output by the control chip, the voltage is converted into the current through the operational amplifier to form a constant current source circuit, and the intensity of the electric pulse signal is determined by the magnitude of the current. The relay connector terminal between the two capacitors is used for connecting the electrode plate, the electrode therapeutic plate acts on the human body, the state of the relay is switched, the output direction of the electric pulse of the electrode plate can be changed, and therefore the pulse current flowing through the human body is changed.
The ultrasonic wave can change the permeability of cell membranes, promote the exchange of metabolic substances and further promote the absorption of medicines. As shown in FIG. 7, the voltage applied to the circuit is first adjusted by adjusting the duty of PWM, and the voltage is 5V at maximum, so that the output intensity of the ultrasonic wave can be controlled. The three-point oscillation circuit provides oscillation frequency for ultrasonic waves, and after the voltage at the output end of the driving circuit is amplified, OUT1 and OUT2 excite the ultrasonic transducer to output the ultrasonic waves.
On the therapeutic head, the electrode plate and the ultrasonic transducer plate are combined together, and a patient can receive the treatment of direct current electric pulse and ultrasonic wave simultaneously in the treatment process, so that a better treatment effect is obtained.
The button chooses the PET pad pasting button for use, and the button signal line is drawn forth with the winding displacement form, links to each other with the control panel that sits on the bottom plate, and the button part pastes on equipment shell surface and supplies the user to use the operation.
Claims (6)
1. The utility model provides a portable supersound direct current pulse iontophoresis therapeutic instrument, a serial communication port, including the constant current source charging circuit who connects in proper order, discharge circuit, the main control chip, from the chip respectively with electric pulse generating circuit, ultrasonic wave generating circuit links to each other, be equipped with first level conversion regulator group between constant current source charging circuit and the main control chip, discharge circuit loops through the transformer, second level conversion regulator group is connected with from the chip, discharge circuit links to each other with the main control chip, the battery has been connect between constant current source charging circuit and the discharge circuit, wherein:
the constant-current source charging circuit is used for charging the therapeutic instrument battery, after the therapeutic instrument battery is connected to the power adapter, the battery is charged through the constant-current source charging circuit, the output of the constant-current source charging circuit is the input of the battery, and meanwhile, the battery power supply is output to the discharging circuit and is used as the input of the discharging circuit;
the discharge circuit is used for supplying power to the transformer, so that the transformer generates an isolated power supply;
the main control chip is used for switching control processing of a power supply output by the battery through the discharge circuit;
the slave chip is used for converting the isolated power supply output by the transformer into sine waves;
an electric pulse generating circuit for converting a sine wave into a sine-form pulse wave;
an ultrasonic wave generating circuit for outputting ultrasonic waves generated by the three-point type oscillation circuit;
the first level conversion voltage stabilizer group is used for performing voltage reduction processing on the voltage output by the battery and outputting the voltage to the relay coil;
the second level conversion voltage regulator group is used for carrying out secondary voltage reduction processing on the voltage output by the first level conversion voltage regulator group and outputting the voltage to the main control chip;
the ultrasonic wave generating circuit includes: the base electrode of the triode Q6 is respectively connected with a first PWN pin of the slave chip through a resistor R20 and the emitter electrode of the triode Q6 through a resistor R21, the emitter electrode of the triode Q6 is grounded, the collector electrode of the triode Q6 is respectively connected with the emitter electrode of the triode Q5 through a resistor R18 and the base electrode of the triode Q5 through a resistor R19; the collector of the triode Q5 is respectively connected with the first three-point oscillating circuit and the second three-point oscillating circuit;
the first three-point oscillating circuit is specifically: one end of the resistor R22 is connected with the collector of the triode Q5, the other end of the resistor R22 is grounded through the capacitor C12, the other end of the resistor R is connected with one end of the capacitor C13 through the inductor L2, and the other end of the capacitor C13 is used as the output end of the three-point oscillation circuit 1 and is connected with the treatment head; between the inductor L2 and the capacitor C13, the base electrode of the triode Q7 is connected through a resistor R23, and the emitter electrode of the triode Q7 is connected through a capacitor C14; a capacitor C16 is connected between the base electrode of the triode Q7 and the collector electrode of the triode Q7, a capacitor C15 is connected between the collector electrode of the triode Q7 and the emitter electrode of the triode Q7, and the emitter electrode of the triode Q7 is grounded sequentially through an inductor L3 and a resistor R24;
the first three-point type oscillating circuit and the second three-point type oscillating circuit have the same structure.
2. The portable ultrasonic direct-current pulse iontophoresis treatment instrument according to claim 1, wherein the electric pulse generation circuit is connected with a relay contact, the relay contact is connected with the treatment head, the main control chip is connected with the relay coil, and pins of the main control chip control the on-off of the relay coil, so that the electric pulse is controlled to be reversed, and the two ends of the treatment head are reversely output.
3. The portable ultrasonic direct current pulse iontophoresis therapeutic apparatus according to claim 1, wherein the main control chip is further connected to a key for user operation, and the user can input parameters of electric pulse voltage, frequency and ultrasonic frequency to the apparatus, and the apparatus outputs corresponding therapeutic signals.
4. The portable ultrasonic direct current pulse iontophoresis treatment instrument according to claim 1, wherein the constant current source charging circuit comprises: the output end of the diode D1 is used as the input end of the constant current source charging circuit and is grounded through the electrolytic capacitor C6; a DCIN pin of the charging chip is connected with the output end of the diode D1; the CHG pin of the charging chip is connected with the output end of the diode D1 through the resistor R1; an NTC pin of the charging chip is connected with the output end of the diode D1 through a resistor R3 and a resistor R2 in sequence, and the resistor R2 and the resistor R3 are grounded through a capacitor C1; the RT pin of the charging chip is grounded through a resistor R4; an ITH pin of the charging chip is grounded through a resistor R5 and a capacitor C2 in sequence; an INFET pin of the charging chip is connected with a grid electrode of the MOSFET tube M1, a drain electrode of the MOSFET tube M1 is connected with an output end of the diode D1, and a source electrode of the MOSFET tube M1 is connected with a source electrode of the MOSFET tube M2; the CLP pin of the charging chip is connected with the source electrode of the MOSFET M2 through a resistor R6; the CLN pin of the charging chip is connected with the source electrode of the MOSFET tube M2 through a resistor R7, a capacitor C3 is connected between the CLP pin of the charging chip and the CLN pin of the charging chip, and the source electrode of the MOSFET tube M2 is grounded through a capacitor C4; a TGATE pin of the charging chip is connected with a grid electrode of the MOSFET tube M2, and a drain electrode of the MOSFET tube M2 is connected with a drain electrode of the MOSFET tube M3; the BGATE pin of the charging chip is connected with the grid electrode of the MOSFET (metal-oxide-semiconductor field effect transistor) M3, and the source electrode of the MOSFET M3 is grounded; the CSP pin of the charging chip is connected with the drain electrode of the MOSFET M3 through the inductor L1; a BAT pin of the charging chip is connected with a drain electrode of the MOSFET M3 through the resistor R8 and the inductor L1 in sequence; the drain electrode of the MOSFET M3 is grounded through a diode D2; the BAT pin of the charging chip is used as the output end of the constant current source charging circuit and is grounded through the electrolytic capacitor C7, the capacitor C5 and the lithium battery respectively.
5. The portable ultrasonic direct current pulse iontophoresis treatment instrument according to claim 1, wherein the discharge circuit comprises: the drain electrode of the MOSFET tube M4 is used as the input end of the discharge circuit and is connected with the grid electrode of the MOSFET tube M4 through a resistor R9; the grid electrode of the MOSFET M5 is respectively connected with the resistor R10 and the resistor R11 and is grounded through the resistor R11, the source electrode of the MOSFET M5 is grounded, the drain electrode of the MOSFET M5 is connected with the grid electrode of the MOSFET M4, the source electrode of the MOSFET M4 is used as the first output end of the discharge circuit and is connected with the transformer, and the grid electrode of the MOSFET M5 is used as the second output end of the discharge circuit after passing through the resistor R10 and is connected with the IO pin of the main control chip of the control panel; and the IO pin of the main control chip controls the conduction of the M5, so that the M4 is driven to be conducted to output the power supply.
6. The portable ultrasonic direct current pulse iontophoresis treatment instrument according to claim 1, wherein the electric pulse generating circuit comprises: the base electrode of the triode Q1 is respectively connected with the PWM pin of the slave chip through a resistor R12 and is grounded through a resistor R13, the emitting electrode of the triode Q1 is grounded, and the collecting electrode of the triode Q1 is connected with the voltage regulating circuit through a resistor R14; the emitting electrode of the triode Q2 is connected with the voltage regulating circuit, the base electrode of the triode Q2 is connected with the collecting electrode of the triode Q1, and the collecting electrode of the triode Q2 is connected with the collecting electrode of the triode Q3; the base electrode of the triode Q3 is connected with the collector electrode of the triode Q1, the emitter electrode of the triode Q3 is grounded, and the collector electrode of the triode Q3 is connected with the collector electrode of the triode Q4 through the capacitor C8, the relay and the capacitor C9 in sequence; the base electrode of the triode Q4 is connected with the output end of the operational amplifier through a resistor R15, and the emitting electrode of the triode Q4 is grounded through a resistor R16; the positive input end of the operational amplifier is connected with the DA pin of the slave chip through a resistor R17 and is grounded through a capacitor C11, and the negative input end of the operational amplifier is grounded through a capacitor C10.
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