CN212256060U - Matching circuit of self-adaptive multi-type ultrasonic treatment head - Google Patents
Matching circuit of self-adaptive multi-type ultrasonic treatment head Download PDFInfo
- Publication number
- CN212256060U CN212256060U CN202020769997.8U CN202020769997U CN212256060U CN 212256060 U CN212256060 U CN 212256060U CN 202020769997 U CN202020769997 U CN 202020769997U CN 212256060 U CN212256060 U CN 212256060U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- circuit
- control mcu
- main control
- power amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a matching circuit of multiple type ultrasonic therapy head of self-adaptation, this circuit includes: the ultrasonic treatment head comprises an ultrasonic transducer and an identification circuit with unique identification information, the ultrasonic signal generator is respectively connected with the main control MCU and the plurality of groups of impedance matching circuits, the plurality of groups of impedance matching circuits are connected with the ultrasonic transducer, and the identification circuit is connected with the main control MCU. Compared with the prior art, the utility model discloses can realize the first automatic identification of ultrasonic therapy to different frequencies, unidimensional, frequency and impedance automatic tracking match, make ultrasonic transducer work in the optimal matching state to satisfy the demand that uses multiple treatment head according to different diseases in the clinical treatment.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a matching circuit of self-adaptation multiple type ultrasonic therapy head.
Background
Ultrasonic therapy is a non-destructive therapy method which adopts safe dose of ultrasonic energy to act on human body, and utilizes ultrasonic mechanical effect, thermal effect and cavitation effect to stimulate the organism and improve the function of the organism, so as to achieve the purpose of treating diseases or relieving symptoms.
The ultrasonic therapeutic apparatus is a medical apparatus which is driven by an ultrasonic signal generator to emit ultrasonic energy with certain intensity to act on a human body for treating diseases, and the structure and the action principle of the ultrasonic therapeutic apparatus are shown in fig. 1.
The ultrasonic therapeutic apparatus is used for clinical therapeutic transducer's electroacoustic conversion efficiency must be enough high, prevents that the transducer from generating heat and causing scald to human tissue, in order to reach high conversion efficiency, the output power and the output impedance of ultrasonic signal generator must reach unanimity with the resonant frequency and the input impedance of transducer.
The same signal channel interface of the existing ultrasonic therapeutic apparatus can not automatically identify and match with a plurality of different types of therapeutic heads, each ultrasonic signal output interface can only be correspondingly configured with the same type of therapeutic head, when the therapeutic heads with different sizes and different sound output powers are required to treat diseases at different parts, and the therapeutic heads with different acoustic working frequencies and sizes are required to be equipped, a plurality of signal transmitting channel interfaces or a plurality of therapeutic apparatuses are required, so that the equipment cost is high and the use is inconvenient. The existing self-excited ultrasonic signal generator can start vibration even if different types of treatment heads are replaced, but the output ultrasonic energy intensity and the electro-acoustic conversion efficiency can not meet the medical clinical requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a matching circuit of multiple type ultrasonic therapy head of self-adaptation aims at realizing the ultrasonic therapy head automatic identification of different frequencies, not unidimensional, and frequency and impedance automatic tracking match make ultrasonic transducer work in the optimal matching state to satisfy the demand that uses multiple treatment head according to different diseases in the clinical treatment.
In order to achieve the above object, the present invention provides a matching circuit of a self-adaptive multi-type ultrasonic treatment head, including: the ultrasonic treatment head comprises an ultrasonic transducer and an identification circuit with unique identification information, the ultrasonic signal generator is respectively connected with the main control MCU and the plurality of groups of impedance matching circuits, the plurality of groups of impedance matching circuits are connected with the ultrasonic transducer, and the identification circuit is connected with the main control MCU.
The further technical proposal of the utility model is that the main control MCU is used for acquiring the identification information of the ultrasonic treatment head;
the master control MCU is also used for configuring parameters matched with the ultrasonic treatment head according to the identification information, and the parameters comprise the working frequency range of the ultrasonic signal generator and a corresponding impedance matching circuit;
and the main control MCU is also used for carrying out frequency matching and no-load protection point matching on the ultrasonic transducer according to the parameters.
The further technical proposal of the utility model is that the matching circuit of the self-adaptive multi-type ultrasonic treatment head also comprises an ultrasonic power amplifier amplifying circuit and a power amplifier current amplifying and sampling circuit, the power amplifier current amplifying and sampling circuit is respectively connected with the main control MCU and the ultrasonic power amplifier amplifying circuit, and the ultrasonic power amplifier amplifying circuit is also respectively connected with the ultrasonic signal generator and a plurality of groups of impedance matching circuits;
the master control MCU is also used for controlling the ultrasonic signal generator to output ultrasonic signals in a step frequency sweeping manner from low to high within the working frequency range;
the master control MCU is also used for controlling the ultrasonic power amplification circuit to amplify the ultrasonic signals;
the master control MCU is also used for controlling the impedance matching circuit to excite the ultrasonic transducer to output ultrasonic waves according to the amplified ultrasonic signals;
the main control MCU is also used for controlling the power amplifier current amplification sampling circuit to acquire working current in real time in the process of outputting ultrasonic waves by the ultrasonic transducer, wherein the frequency point corresponding to the maximum working current point is a resonance frequency point.
The utility model adopts the further technical proposal that the main control MCU is also used for comparing the working current acquired by the power amplifier current amplifying and sampling circuit in real time with the maximum working current corresponding to the resonance frequency point;
the main control MCU is also used for judging whether the ultrasonic transducer enters an idle state according to the comparison result;
and if the working current acquired by the power amplifier current amplification sampling circuit in real time is close to or equal to the maximum working current corresponding to the resonance frequency point, judging that the ultrasonic transducer enters an idle state.
The utility model discloses a further technical scheme is, master control MCU still is used for the storage resonant frequency point and the operating current, the identification information that correspond.
The utility model has the further technical scheme that the impedance matching circuit comprises a first relay, a second relay, an inductor and a capacitor, one end of the first relay is connected with the ultrasonic power amplifier amplifying circuit, the other end of the first relay is connected with one end of the inductor, one end of the second relay is connected with the other end of the inductor, the other end of the second relay is connected with one end of the capacitor, the other end of the capacitor is grounded, and the other end of the inductor and one end of the second relay are respectively connected with the ultrasonic energy converter; the power amplifier current amplification sampling circuit comprises an operational amplifier U1A and a resistor R1, wherein one end of the resistor R1 is respectively connected with the reverse input end of the operational amplifier U1A and an ultrasonic power amplifier amplifying circuit, the other end of the resistor R1 is connected with the same-direction input end of the operational amplifier U1A, the other end of the resistor R1 is grounded, and the output end of the operational amplifier U1A is connected with the main control MCU.
The utility model discloses the matching circuit of multiple type ultrasonic therapy head of self-adaptation's beneficial effect is: the utility model discloses an above-mentioned technical scheme, include: the ultrasonic therapy head comprises an ultrasonic transducer and an identification circuit with unique identification information, the ultrasonic signal generator is respectively connected with the main control MCU and the plurality of groups of impedance matching circuits, the plurality of groups of impedance matching circuits are connected with the ultrasonic transducer, and the identification circuit is connected with the main control MCU, so that the ultrasonic therapy heads with different frequencies and different sizes can be automatically identified, and the frequencies and the impedances can be automatically tracked and matched, so that the ultrasonic transducer works in an optimal matching state, and the requirements of using various therapy heads according to different diseases in clinical therapy are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure and operation of a prior art ultrasonic treatment apparatus;
fig. 2 is a schematic circuit diagram of a preferred embodiment of the matching circuit of the adaptive multi-type ultrasonic treatment head of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 2, the present invention provides a matching circuit for adaptive multi-type ultrasonic therapy head.
As shown in fig. 2, the utility model discloses the preferred embodiment of matching circuit of self-adaptation multiple type ultrasonic therapy head includes master control MCU, ultrasonic signal generator, a plurality of impedance matching circuit of group, ultrasonic therapy head, wherein, ultrasonic therapy head includes ultrasonic transducer, has the identification circuit of only identification information, ultrasonic signal generator respectively with master control MCU, a plurality of impedance matching circuit of group connect, a plurality of impedance matching circuit in ultrasonic transducer connects, identification circuit with master control MCU connects.
The main control MCU is used for acquiring the identification information of the ultrasonic treatment head.
It can be understood that, in this embodiment, the identification information of the ultrasound therapy head can be implemented by three methods, i.e., a single line memory, a/D sampling fixed level method, and multi-bit address coding.
The master control MCU is also used for configuring parameters matched with the ultrasonic treatment head according to the identification information, and the parameters comprise the working frequency range of the ultrasonic signal generator and the corresponding impedance matching circuit.
It can be understood that, in this embodiment, the impedance matching circuit includes a relay, a resonant inductor, and a capacitor, and after the main control MCU acquires the identification information of the ultrasound therapy head, the main control MCU may configure the operating frequency range of the ultrasound signal generator according to the identification information, and control the relay to switch and select a proper resonant inductor and capacitor to form an LC impedance matching network corresponding to the ultrasound therapy head.
And the main control MCU is also used for carrying out frequency matching and no-load protection point matching on the ultrasonic transducer according to the parameters.
Specifically, in this embodiment, after the main control MCU identifies the matched ultrasound therapy head through the identification information, the main control MCU is configured to output an ultrasound signal coincident with the resonant frequency of the ultrasound signal generator, wherein when the ultrasound transducer is in an idle state when the resonant frequency point is out of contact with a human body, the working current is the largest, during the therapy, the power amplifier current amplifying and sampling circuit is used to acquire the ultrasound working current in real time, the main control MCU compares the working current stored when the ultrasound therapy head is matched with the ultrasound transducer, when the ultrasound working current acquired in real time is equal to or close to the stored working current, it is determined that the ultrasound transducer is in the idle state, the main control MCU temporarily turns off the ultrasound output for idle protection, and after the idle protection, the power amplifier current amplifying and sampling circuit is turned on at regular intervals to detect the working current value, and the MCU main control circuit compares the ultrasound working current acquired in real time with the, and judging whether to continue the no-load protection or to enter normal work according to the comparison result so as to realize the no-load protection function. The no-load protection is realized to the ultrasonic therapy head through the collection and judgment of the working current value, and the scald to the patient caused by the temperature rise generated by the no-load of the ultrasonic therapy head can be prevented.
According to the technical scheme, the main control MCU acquires the identification information of the ultrasonic treatment head; configuring parameters matched with the ultrasonic treatment head according to the identification information, wherein the parameters comprise the working frequency range of an ultrasonic signal generator and a corresponding impedance matching circuit; the ultrasonic transducer is subjected to frequency matching and no-load protection point matching according to the parameters, so that the ultrasonic treatment heads with different frequencies and different sizes can be automatically identified, the frequency and the impedance are automatically tracked and matched, the ultrasonic transducer works in an optimal matching state, and the requirements of using various treatment heads according to different diseases in clinical treatment are met.
Further, please refer to fig. 2 again, which provides a second embodiment of the matching circuit of the adaptive multi-type ultrasonic therapy head of the present invention, in this embodiment, the matching circuit of the adaptive multi-type ultrasonic therapy head further includes an ultrasonic power amplifier amplifying circuit and a power amplifier current amplifying and sampling circuit. The power amplifier current amplification sampling circuit is respectively connected with the master control MCU and the ultrasonic power amplifier amplification circuit, and the ultrasonic power amplifier amplification circuit is also respectively connected with the ultrasonic signal generator and the plurality of groups of impedance matching circuits.
The master control MCU is also used for controlling the ultrasonic signal generator to output ultrasonic signals in a step frequency sweeping manner from low to high within the working frequency range; controlling the ultrasonic power amplification circuit to amplify the ultrasonic signal; controlling the impedance matching circuit to excite the ultrasonic transducer to output ultrasonic waves according to the amplified ultrasonic signals; and controlling the power amplifier current amplification sampling circuit to acquire working current in real time in the process of outputting ultrasonic waves by the ultrasonic transducer, wherein the frequency point corresponding to the maximum working current point is a resonance frequency point.
In this embodiment, a current method is used to perform precise frequency matching on an ultrasound treatment head, after the main control MCU configures parameters matched with the ultrasound treatment head according to the identification information, the main control MCU scans and outputs ultrasound signals from low to high in a configured frequency range, a corresponding LC impedance matching network excites the ultrasound transducer to scan and emit ultrasound waves in no-load according to the ultrasound signals, the power amplifier current amplifying and sampling circuit acquires and records working current in real time during scanning and emitting, and a frequency point corresponding to a maximum working current point in the whole sweep frequency range is a resonant frequency point of the ultrasound transducer.
The main control MCU is also used for comparing the working current acquired by the power amplifier current amplification sampling circuit in real time with the maximum working current corresponding to the resonance frequency point; judging whether the ultrasonic transducer enters an idle state or not according to the comparison result; and if the working current acquired by the power amplifier current amplification sampling circuit in real time is close to or equal to the maximum working current corresponding to the resonance frequency point, judging that the ultrasonic transducer enters an idle state.
In this embodiment, after the main control MCU identifies the matched ultrasound therapy head through the identification information, the main control MCU is configured to output an ultrasound signal coincident with the resonant frequency of the ultrasound signal generator, wherein when the ultrasound transducer is in an idle state when the resonant frequency point is out of contact with the human body, the working current is the largest, during the therapy, the power amplifier current amplifying and sampling circuit is used to acquire the ultrasound working current in real time, the main control MCU compares the working current stored when the ultrasound transducer is matched with the ultrasound therapy head, when the ultrasound working current acquired in real time is equal to or close to the stored working current, it is determined that the transducer is in the idle state, the main control MCU temporarily turns off the ultrasound output to perform idle protection, and after the idle protection, the power amplifier current amplifying and sampling circuit is turned on at regular intervals to detect the working current value, and the main control MCU acquires the ultrasound working current in real time and the, and judging whether to continue the no-load protection or to enter normal work according to the comparison result so as to realize the no-load protection function. The no-load protection is realized to the ultrasonic therapy head through the collection and judgment of the working current value, and the scald to the patient caused by the temperature rise generated by the no-load of the ultrasonic therapy head can be prevented.
In addition, the main control MCU is also used for storing the resonance frequency point and the corresponding working current and identification information.
Specifically, the main control MCU may write the resonant frequency point and the corresponding working current value together with the identification information into the main control MCU memory, so as to complete the identification and matching of the ultrasound therapy head.
Referring to fig. 2 again, in more detail, in this embodiment, the impedance matching circuit includes a first relay, a second relay, an inductor, and a capacitor, one end of the first relay is connected to the ultrasonic power amplifier and the other end is connected to one end of the inductor, one end of the second relay is connected to the other end of the inductor, the other end is connected to one end of the capacitor, the other end of the capacitor is grounded, and the other end of the inductor and one end of the second relay are respectively connected to the ultrasonic energy circulator; the power amplifier current amplification sampling circuit comprises an operational amplifier U1A and a resistor R1, wherein one end of the resistor R1 is respectively connected with the reverse input end of the operational amplifier U1A and an ultrasonic power amplifier amplifying circuit, the other end of the resistor R1 is connected with the same-direction input end of the operational amplifier U1A, the other end of the resistor R1 is grounded, and the output end of the operational amplifier U1A is connected with the main control MCU.
It can be understood that, in this embodiment, the relay can control and switch different combinations of inductors and different capacitors in the impedance matching circuit to generate different impedance matching characteristics, and the inductors and capacitors to be selected by different types of ultrasound treatment heads can be preset in hardware and programming in advance. As an implementation manner, the present embodiment employs six relay switches, three inductors with different inductance values, and three capacitors with different capacities, so as to realize the identification and matching of three different types of ultrasound treatment heads. As shown in fig. 2, the first relays K1 and K2 are controlled to be closed by the main control MCU, the other relays are opened, and the inductor L1 and the capacitor C1 are selected to participate in impedance matching of the therapy head; the second relays K3 and K4 are controlled to be closed through the MCU, the other relays are opened, and the inductor L2 and the capacitor C2 are selected to participate in impedance matching of the therapy head; the third relays K5 and K6 are controlled to be closed through the MCU, the other relays are opened, and the inductor L3 and the capacitor C3 are selected to participate in impedance matching of the therapy head. It is worth proposing that can correspond the configuration through increase and decrease relay, inductance and electric capacity quantity according to the ultrasonic therapy head kind and the quantity that need adapt to actually, the utility model discloses do not do the restriction to this.
In addition, as an implementation manner, the main control MCU may include an MCU and an a/D analog-to-digital converter, the current detection in this embodiment may be amplified by the operational amplifier U1A, and collected and processed by the MCU after passing through the a/D analog-to-digital converter, and the current sampling may be collected by amplifying the voltage drop across the resistor R1 by the operational amplifier U1A, or collected by a hall current sensor.
The utility model discloses the matching circuit of multiple type ultrasonic therapy head of self-adaptation's beneficial effect is: the utility model discloses an above-mentioned technical scheme, include: the ultrasonic therapy head comprises an ultrasonic transducer and an identification circuit with unique identification information, the ultrasonic signal generator is respectively connected with the main control MCU and the plurality of groups of impedance matching circuits, the plurality of groups of impedance matching circuits are connected with the ultrasonic transducer, and the identification circuit is connected with the main control MCU, so that the ultrasonic therapy heads with different frequencies and different sizes can be automatically identified, and the frequencies and the impedances can be automatically tracked and matched, so that the ultrasonic transducer works in an optimal matching state, and the requirements of using various therapy heads according to different diseases in clinical therapy are met.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (6)
1. A matching circuit for adapting to multiple types of ultrasonic treatment heads is characterized by comprising: the ultrasonic treatment head comprises an ultrasonic transducer and an identification circuit with unique identification information, the ultrasonic signal generator is respectively connected with the main control MCU and the plurality of groups of impedance matching circuits, the plurality of groups of impedance matching circuits are connected with the ultrasonic transducer, and the identification circuit is connected with the main control MCU.
2. The matching circuit of adaptive multi-type ultrasonic therapy head according to claim 1,
the master control MCU is used for acquiring identification information of the ultrasonic treatment head;
the master control MCU is also used for configuring parameters matched with the ultrasonic treatment head according to the identification information, and the parameters comprise the working frequency range of the ultrasonic signal generator and a corresponding impedance matching circuit;
and the main control MCU is also used for carrying out frequency matching and no-load protection point matching on the ultrasonic transducer according to the parameters.
3. The matching circuit of the adaptive multi-type ultrasonic therapy head according to claim 2, characterized in that the matching circuit of the adaptive multi-type ultrasonic therapy head further comprises an ultrasonic power amplifier amplifying circuit and a power amplifier current amplifying and sampling circuit, wherein the power amplifier current amplifying and sampling circuit is respectively connected with the main control MCU and the ultrasonic power amplifier amplifying circuit, and the ultrasonic power amplifier amplifying circuit is also respectively connected with the ultrasonic signal generator and the plurality of groups of impedance matching circuits;
the master control MCU is also used for controlling the ultrasonic signal generator to output ultrasonic signals in a step frequency sweeping manner from low to high within the working frequency range;
the master control MCU is also used for controlling the ultrasonic power amplifier amplifying circuit to amplify the ultrasonic signals;
the master control MCU is also used for controlling the impedance matching circuit to excite the ultrasonic transducer to output ultrasonic waves according to the amplified ultrasonic signals;
the main control MCU is also used for controlling the power amplifier current amplification sampling circuit to acquire working current in real time in the process of outputting ultrasonic waves by the ultrasonic transducer, wherein the frequency point corresponding to the maximum working current point is a resonance frequency point.
4. The matching circuit of adaptive multi-type ultrasonic therapy head according to claim 3,
the main control MCU is also used for comparing the working current acquired by the power amplifier current amplification sampling circuit in real time with the maximum working current corresponding to the resonance frequency point;
the main control MCU is also used for judging whether the ultrasonic transducer enters an idle state according to the comparison result;
and if the working current acquired by the power amplifier current amplification sampling circuit in real time is close to or equal to the maximum working current corresponding to the resonance frequency point, judging that the ultrasonic transducer enters an idle state.
5. The matching circuit of the adaptive multi-type ultrasonic therapy head according to claim 4, wherein the main control MCU is further used for storing the resonance frequency points and the corresponding working current and identification information.
6. The matching circuit of the adaptive multi-type ultrasonic treatment heads according to any one of claims 3 to 4, wherein the impedance matching circuit comprises a first relay, a second relay, an inductor and a capacitor, one end of the first relay is connected with the ultrasonic power amplifier and amplifier circuit, the other end of the first relay is connected with one end of the inductor, one end of the second relay is connected with the other end of the inductor, the other end of the second relay is connected with one end of the capacitor, the other end of the capacitor is grounded, and the other end of the inductor and one end of the second relay are respectively connected with the ultrasonic transducer; the power amplifier current amplification sampling circuit comprises an operational amplifier U1A and a resistor R1, wherein one end of the resistor R1 is respectively connected with the reverse input end of the operational amplifier U1A and an ultrasonic power amplifier amplifying circuit, the other end of the resistor R1 is connected with the same-direction input end of the operational amplifier U1A, the other end of the resistor R1 is grounded, and the output end of the operational amplifier U1A is connected with the main control MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020769997.8U CN212256060U (en) | 2020-05-11 | 2020-05-11 | Matching circuit of self-adaptive multi-type ultrasonic treatment head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020769997.8U CN212256060U (en) | 2020-05-11 | 2020-05-11 | Matching circuit of self-adaptive multi-type ultrasonic treatment head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212256060U true CN212256060U (en) | 2020-12-29 |
Family
ID=73999459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020769997.8U Active CN212256060U (en) | 2020-05-11 | 2020-05-11 | Matching circuit of self-adaptive multi-type ultrasonic treatment head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212256060U (en) |
-
2020
- 2020-05-11 CN CN202020769997.8U patent/CN212256060U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111474886A (en) | Adaptive matching method and circuit for multiple types of ultrasonic treatment heads | |
| US5321618A (en) | Apparatus and method for remotely monitoring implanted cardioverter defibrillators | |
| CN108144199A (en) | Device, method and system are motivated by ultrasound | |
| CN205041400U (en) | Novel it is portable through cranium ultrasound stimulation and EEG signal collection device | |
| JP2010528814A (en) | Multi-element acoustic recharging system | |
| KR101365872B1 (en) | Drive device for hifu and drive method thereof | |
| EP1915192A2 (en) | Efficiently delivering acoustic stimulation energy to tissue | |
| CN113181569A (en) | Closed-loop transcranial brain stimulation system and method | |
| CN100552390C (en) | Real-time ultrasonic energy monitoring apparatus and method | |
| CN112545862A (en) | Massage area identification method, fascial gun, server and computer readable storage medium | |
| CN106110500A (en) | A kind of therapy equipment and control method thereof | |
| CN108173331B (en) | Ultrasonic wave charging method and device | |
| CN212256060U (en) | Matching circuit of self-adaptive multi-type ultrasonic treatment head | |
| CN104208822A (en) | Expert system on basis of ultrasonic physiotherapeutic apparatus | |
| CN111317559A (en) | Ultrahigh-voltage positive-negative composite pulse electric field generation circuit | |
| US5109338A (en) | High-voltage generator and method for generating a high current, high-voltage pulse by pulse shaping for driving a shock wave source | |
| CN101670155B (en) | Digitalized high sound pressure ultrasound non-invasive therapy system | |
| CN104147713A (en) | Intelligent ultrasonic physiotherapy device through blood pressure signal control and implementation method thereof | |
| CN115844496A (en) | Ultrasonic ablation system | |
| CN208176736U (en) | A kind of ultrasonic transducer and its temperature control equipment | |
| CN1156324C (en) | Ultra sonic wave therapeutic apparatus for gynaopathy and skin disease | |
| CN113134159B (en) | External electrical stimulation treatment system | |
| CN102430212B (en) | Ultrasonic device for treating pains | |
| KR200459590Y1 (en) | Ultrasound stimulator and system | |
| CN220159062U (en) | Ultrasonic excitation signal generation circuit and ultrasonic therapeutic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |