CN116570849A - Ultrasonic sound field regulation and control treatment device - Google Patents
Ultrasonic sound field regulation and control treatment device Download PDFInfo
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- 230000005284 excitation Effects 0.000 claims abstract description 57
- 230000003321 amplification Effects 0.000 claims abstract description 33
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 33
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 23
- 230000002195 synergetic effect Effects 0.000 claims abstract description 3
- 238000002604 ultrasonography Methods 0.000 claims description 16
- 238000002560 therapeutic procedure Methods 0.000 claims description 14
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000009210 therapy by ultrasound Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000001415 gene therapy Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 230000000451 tissue damage Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0039—Ultrasound therapy using microbubbles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0073—Ultrasound therapy using multiple frequencies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0078—Ultrasound therapy with multiple treatment transducers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
- A61N2007/027—Localised ultrasound hyperthermia with multiple foci created simultaneously
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an ultrasonic sound field regulation and control treatment device, which comprises a control module, a signal generation module, a power amplification and feedback module, a transducer module, a display module and a power module, wherein a command is input to the control module, a treatment parameter is issued to the signal generation module by the control module, the signal generation module generates an excitation signal and transmits the signal to the power amplification and feedback module, the power amplification and feedback module amplifies the excitation signal and transmits the excitation signal to the transducer module, the transducer module outputs ultrasonic waves and feeds back the state of the transducer module to the power amplification and feedback module, the power amplification and feedback module transmits the feedback result of the transducer module to the control module, and the transducer module adjusts the excitation signal according to feedback. The device can also generate a plurality of treatment modes, different treatment modes are generated by adjusting the phase difference and the frequency multiplication of signals between different channels of the excitation signals, the focal area volume is enlarged, stronger cavitation effect and thermal effect are generated, and the device is synergistic for ultrasonic treatment.
Description
Technical Field
The invention relates to the technical field of ultrasonic treatment and medical instruments, in particular to an ultrasonic sound field regulating and controlling treatment device.
Background
Ultrasonic waves are mechanical waves which have strong penetrability, good directivity and safety. The use of ultrasound for therapy has long been a safe, non-invasive, non-ionizing therapy, focused ultrasound therapy has been widely used in clinical settings. Conventional focused ultrasound therapy can be classified into high-intensity focused ultrasound therapy and medium-low-intensity focused ultrasound therapy. The high-intensity focused ultrasound treatment mainly utilizes the mechanical effect and the thermal effect of ultrasound to treat a patient part, and the high-intensity focused ultrasound has higher energy, and the generated tissue damage is often irreversible, so that the high-intensity focused ultrasound treatment is mainly applied to the non-invasive treatment of tumors in clinic at present; the medium-low intensity ultrasonic treatment is mainly applied to aspects of bone repair, tissue regeneration, tissue healing, gene therapy and the like because the medium-low intensity ultrasonic treatment can obviously reduce the thermal effect of ultrasonic and optimize the mechanical effect and biological effect. In addition to the two main ultrasonic treatment methods, the emerging focused vortex sound field regulation treatment in recent years also provides a new thought for ultrasonic treatment.
In conventional ultrasound therapy, the therapeutic transducer is typically a single-element focusing transducer, which has a simple structure, low cost and good focusing performance, and although the focusing performance ensures the spatial accuracy of the ultrasound therapy, the volume of the therapeutic tissue is limited to a certain extent, thereby limiting the efficiency of the ultrasound therapy. Therefore, how to increase the volume of the tissue to be treated by using sound field regulation and control and increase the effect of ultrasonic treatment become a key technical problem in the field.
Disclosure of Invention
The invention aims to provide an ultrasonic sound field regulating and controlling treatment device, which aims to solve the problem that the efficiency of ultrasonic treatment is limited by limiting the volume of a treated tissue to a certain extent in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an ultrasonic sound field regulation and control treatment device comprises a control module, a signal generation module, a power amplification and feedback module, a transducer module, a display module and a power supply module
The control module is used for transmitting the treatment mode and the treatment parameters to the signal generation module and monitoring the power amplification and feedback module during treatment;
the signal generation module is used for generating corresponding excitation signals according to the treatment modes and the treatment parameters issued by the control module and transmitting the excitation signals to the transducer module;
the transducer module is used for outputting ultrasonic waves according to the transmitted excitation signals and feeding back the self state to the power amplifying and feedback module;
the power amplification and feedback module is used for amplifying the excitation signal, transmitting the amplified excitation signal to the transducer module, and transmitting the feedback result of the transducer module to the control module;
the display module is used for inputting the treatment parameters and the treatment modes, transmitting the treatment parameters and the treatment modes to the control module, and displaying the treatment modes and the treatment parameters of each module;
the power module is used for supplying power to the whole device.
Preferably, the control module comprises an FPGA and a singlechip, the data of the excitation signal is sent to the FPGA through a signal path by the singlechip, the FPGA analyzes the received signal and converts the signal into initial phase, amplitude and frequency signals which can be regulated by each channel, and the FPGA generates the excitation signal according to the signals through the synergistic effect of the synchronous module, the DDS signal generation module and the conditioning output module in the FPGA.
Preferably, the adjustment of the excitation signal frequency is accomplished by adjusting the frequency division coefficient of the system clock within the FPGA, which can be matched to the different transducers.
Preferably, the adjustment of the phase of the excitation signal is realized by adjusting the common action of a coarse delay coefficient and a fine delay coefficient which are arranged in an FPGA internal delay system, the initial phase of the excitation signal between channels is adjusted by the length of the delay, and the adjustment of the phase of the excitation signal can generate different working modes.
Preferably, the adjustment of the amplitude of the excitation signal can be adapted to different operating strengths.
Preferably, the transducer module employs a dual frequency multi-layer multi-array element transducer, wherein each element is capable of operating independently.
Preferably, the power amplification and feedback module is composed of a plurality of power amplification boards, and the number of the power amplification boards is the same as that of vibration elements in the double-frequency multi-array element transducer.
Preferably, the power supply module comprises a power supply conversion module and a programmable switching power supply, wherein the power supply conversion module converts the voltage and provides the voltage for the control module, and the programmable switching power supply supplies power for the power amplification and feedback module.
Preferably, the control module is connected with an upper computer, and the upper computer is used for transmitting commands to the control module.
Preferably, the transducer module can be used in combination with an external mechanical arm, and the mechanical arm is controlled by an upper computer.
Compared with the prior art, the invention has the following beneficial effects: the invention provides an ultrasonic sound field regulation and control treatment device which comprises a control module, a signal generation module, a power amplification and feedback module, a transducer module, a display module and a power supply module, wherein a command is input to the control module, a treatment parameter is issued to the signal generation module by the control module, the signal generation module generates an excitation signal and transmits the excitation signal to the power amplification and feedback module, the power amplification and feedback module amplifies the excitation signal and transmits the excitation signal to the transducer module, the transducer module outputs ultrasonic waves and feeds back the state of the transducer module to the power amplification and feedback module, the power amplification and feedback module transmits the feedback result of the transducer module to the control module, and the transducer module continuously adjusts the excitation signal according to the feedback of the transducer module. The device can also generate a plurality of treatment modes, different sound field regulation and control treatment modes are generated by adjusting the phase difference and frequency multiplication of signals between different channels of the excitation signals, the focal area volume is enlarged, stronger cavitation effect and thermal effect are generated, and the ultrasonic treatment is enhanced.
Drawings
FIG. 1 is a schematic diagram of an ultrasonic sound field modulation therapy apparatus;
FIG. 2 is a schematic diagram of an ultrasound field modulation therapy device;
fig. 3 is a software flow chart of the control chip of the present invention.
Detailed Description
The invention will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the invention.
As shown in fig. 1, the method provides an ultrasonic sound field regulation and control treatment device, which comprises a control module, a power amplification and feedback module, a transducer module and a power supply module;
the control module is formed by combining a singlechip and a peripheral circuit, wherein the singlechip is used as a main control chip and is used for receiving external instructions, converting the instructions into information such as treatment modes, treatment parameters and the like and transmitting the information to the signal generation module. The core of the signal generating module is an FPGA which controls and outputs pulse excitation signals with different phase differences, frequencies and duty ratios which are all adjustable. The power amplification and feedback module amplifies signals under the control of the programmable switching power supply, transmits the amplified signals to the transducer module, and simultaneously continuously receives feedback information from the transducer in the treatment process and transmits the feedback information to the control module. Finally, the transducer module directly acts on the place where the transducer module needs to be used. The device is also provided with a communication interface with the upper computer, and when the device is connected with the upper computer, the upper computer can send parameters such as duty ratio, amplitude, initial phase difference and the like to the control module for generating required excitation signals.
The generation of the excitation signal is to send parameters such as the duty ratio, the amplitude and the like of the signal to the signal generation module through the singlechip, and the FPGA in the signal generation module generates the excitation signal through the cooperative action of the synchronous module, the DDS signal generation module and the conditioning output module in the signal generation module according to the received command.
The adjustment of the frequency of the excitation signal is accomplished by adjusting the magnitude of the system clock division factor. First, the FPGA generates a frequency f 0 Is used for driving low-frequency array elements in the transducer, and simultaneously generates nf after n times frequency multiplication (n is a positive integer) is carried out on an FPGA clock 0 Is used to drive the high frequency elements of the transducer. The minimum adjustable frequency of the device has a stepping value of 1KHz, and when the transducer generates errors due to insufficient manufacturing precision or the frequency of the excitation signal needs to be finely adjusted, the device can be usedFPGA generates f 0 The +δf signal is used to drive the low frequency unit of the transducer, while n (f) is generated by n-multiplying the FPGA clock (n is a positive integer) 0 +δf) is used to drive the high frequency elements of the transducer.
The adjustment of the excitation signal phase is realized by the common action of a coarse delay coefficient and a fine delay coefficient which are arranged in a delay system, and the initial phase of the excitation signal among channels is adjusted by the length of the delay.
The sound power is adjusted by adjusting the amplitude of the excitation signal, so as to adjust the energy of the sound field.
The size of the focal domain volume of the sound field is that the focal point which enlarges the focal domain volume is generated under the control of different phases and frequency doubling by adjusting the phases and frequency doubling of different array elements of the transducer, and the focal domain volume is larger than that of the common focal point, so that the focal domain volume and the thermal efficiency of one-time treatment are enlarged, and the coverage range is enlarged.
By setting the initial phase of the excitation signal, and the initial phase satisfies the excitation signal of phi= (m×2pi)/n, where m is the topological charge number and n is the array element number of the transducer. Thereby generating a compound vortex sound field with a topological charge of n, and the compound vortex sound field can play a role in synergy in sound field regulation.
When the composite vortex sound field is generated, the size of topological charge can be further adjusted by adjusting the phase difference of adjacent channels, the volume of the focal region of the sound field is increased, and the coverage area is enlarged.
The control module is externally connected with a display, and the display and the panel switch can set and display basic parameters in the working process, such as: patient name, age, treatment location and treatment formula, total treatment time, remaining treatment time, working power of each channel, etc. Meanwhile, the display also has an engineering mode which is used for engineering personnel to debug and overhaul and is only opened for engineering technicians.
The device can also be connected with an upper computer, and the upper computer is responsible for transmitting parameters such as duty ratio, amplitude, initial phase difference and the like to the control module for generating required excitation signals. In addition, the upper computer can also consider the time and the working track for controlling the operation of the mechanical arm when the transducer and the mechanical arm cooperate.
Example 1
In this embodiment, the master control chip adopts a single chip microcomputer of STM32 series, and the periphery of STM32 is provided with:
the system comprises a matrix keyboard for setting key parameters, an SPI communication interface for connecting with an FPGA, two RS232 interfaces, a serial screen driving interface for driving a liquid crystal display screen and a serial communication interface for connecting with an upper computer.
LCD liquid crystal display: the system key information display method is used for displaying key system information and testing and debugging the system by engineering technicians.
JTAG debug interface: the method is used for testing and debugging the system.
The field programmable gate array FPGA (Field Prorammable Gates Array) uses a mid-scale chip manufactured by Xilinx corporation as the generation of the various control signals.
The working flow of the invention is as follows, firstly, a singlechip of STM32 series is used as a core processor to manage and coordinate other components, when the invention works independently, after the information of channel frequency, phase, amplitude and the like is input by a display module, the information is sent to a signal generation module by the singlechip through an SPI interface, and after receiving signals, the FPGA in the signal generation module analyzes the signals into the information of frequency, phase and the like. Then, the frequency of each channel excitation signal is controlled by a clock management module of the FPGA. The frequency of the excitation signal can be achieved by adjusting the frequency division coefficient of the system clock in the FPGA. When the FPGA analyzes the treatment parameters, a fundamental frequency signal with the frequency f0 is firstly generated for driving a low-frequency array element in the transducer, and simultaneously, a frequency multiplication signal of nf0 generated after n times frequency multiplication (n is a positive integer) is used for driving a high-frequency array element of the transducer. The minimum adjustable frequency of the device has a stepping value of 1KHz, when the transducer generates errors due to insufficient manufacturing precision or when the frequency of an excitation signal needs to be finely adjusted, a signal of f0+δf can be generated by the signal generating module to be used for driving a low-frequency unit of the transducer, and meanwhile, a frequency multiplication signal of n (f0+δf) generated after n times the frequency of a clock (n is a positive integer) is used for driving a high-frequency array element of the transducer. And then the phase of each path is regulated, the regulation of the phase is completed by delaying different signal channels, and the control range of the phase is 0-2pi. After the signal generating module integrates the parameters, the synchronous module, the DDS signal generating module and the conditioning output module of the internal FPGA cooperate to generate an excitation signal. The excitation signal is transmitted into a power amplification system, and the power amplification system directly outputs and drives the transducer to generate a corresponding sound field after amplifying the signal, so that the excitation signal directly acts on the part to be treated.
When the device is connected with the upper computer, the upper computer sends treatment data to the singlechip, and the singlechip receives the data from the upper computer and then sends the data to the signal generation module, and other specific processes are the same as those described above.
Further, the power amplification and feedback system is composed of power amplification boards with the same number as the vibration elements of the energy converter, and after n paths of signals output from the signal generation and control system enter the power amplification boards, the power amplification boards amplify the signals, and the output signals are used for driving the energy converter to work. In addition, in order to facilitate the real-time observation and adjustment of the power of each channel in the operation process, the invention also designs a feedback module which is cooperatively completed by a power adjustment submodule in the power module, and submodules such as ADC (Analog to Digital Converter), DAC (Digital to Analog Converter), power detection and the like in the singlechip, and the specific working steps are as follows: the singlechip controls the ADC to convert the power and the voltage of each channel into digital signals through power measurement, then the digital signals are transmitted to the singlechip for processing, and the singlechip judges whether the working state of the power amplifying board of each channel is normal or not according to the detection data of the power and the voltage of each channel, and if the working state of the power amplifying board of each channel is abnormal, the channel is immediately closed.
The invention discloses an ultrasonic sound field regulation and control treatment device which has three working modes:
1. a conventional focusing mode of each array element under the condition of no initial phase difference;
2. each array element generates a sound field regulation mode for enlarging the focal area under the condition of frequency multiplication and phase control;
3. a composite vortex sound field regulation mode;
the conventional focusing mode involved in the invention is as follows:
when all phases of the excitation signals have no phase difference, the whole double-frequency multi-array element transducer is regarded as a whole, and the transducer can be physically self-focused due to the shape. In addition, in operation, only the low frequency region may be used for operation; or can work only in a high frequency region; but also can work together with high frequency and low frequency. By changing the frequency, the ultrasound site can be modified, a high frequency region can be used when the site is superficial, and a low frequency region can be used when the site is deep.
The specific method for enlarging the focal area in the invention comprises the following steps:
for a dual-frequency multi-array element transducer, the number of array elements is even, wherein half of the array elements work at a high frequency f0, half of the array elements work at a low frequency f1, two array elements with different frequencies are distributed according to two layers of the outer ring of the inner ring, f0=n×f1, and n is a positive integer. Under the conditions of frequency multiplication and phase control, the dual-frequency multi-array element transducer generates a plurality of split focuses on a focal plane, so that the size of the multi-focuses in radial distribution is enlarged, and the generated focal domain can be much larger than that of a single focus during treatment.
The specific method related to the composite vortex sound field regulation mode in the invention comprises the following steps:
by setting the initial phase, the initial phase satisfies the excitation signal of phi= (m×2pi)/n, where m is the topological charge number and n is the array element number of the transducer. Under the condition that the number n of array elements is determined, different topological load vortex sound fields can be generated by changing the phase phi, and the generated vortex sound fields are composite vortex sound fields because the frequencies of the inner layer array elements and the outer layer array elements are different. The volume of the focal domain of the sound field generated by the composite vortex sound field is larger, the action range of ultrasound and diseased tissues is enlarged, the cavitation range and intensity are effectively increased, and the ultrasonic treatment efficiency is remarkably improved.
The invention reserves the interface of the upper computer to be used on line with the upper computer, the upper computer is provided with a matched software system to control the issuing of treatment parameters, and in addition, the upper computer is also responsible for controlling the running time and track of the mechanical arm when the transducer is used cooperatively with the mechanical arm.
The power supply module used in the invention has the following working principle: firstly, 220V alternating current is input, the alternating current is changed into 48V direct current after passing through a programmable switching power supply, the 48V direct current is divided into two paths, one path of direct current is sent to a power amplification module for amplifying an excitation signal, and the other path of direct current of 48V is changed into 15V direct current after being changed into direct current after passing through direct current. The 15V direct current is changed into +5V through the voltage stabilizer, and +5V direct current is used for supplying power to the serial screen. The +5V is changed into 3.3V direct current after passing through the DC-DC chip, and is used for supplying power to the singlechip and the FPGA.
The software flow chart of the control chip of the invention is shown in fig. 3, when the system is powered on, the system self-checking is firstly carried out, each register is initialized, the system sets the state of each register, and if the upper computer is connected, the communication of the upper computer is checked, and the data sending interrupt is developed so as to receive data from the upper computer. And under the condition of no upper computer, checking the communication with the FPGA. After the communication is determined to be normal, whether the clock works normally or not is checked, and then the connection state of each channel is scanned and checked. If a channel is in an operating state at this time, the channel is immediately closed. And judging that the channels are normal until each channel is in a standby state. The system starts data interruption, waits for the matrix keyboard to input treatment parameter information, and when the information input is completed, the system closes the data interruption, and sends the processed instruction to the FPGA, the FPGA starts working according to the instruction, and at the moment, the singlechip is in a monitoring state, and scans the power and voltage information of each channel in real time.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described specific embodiments and application fields, which are merely illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may make many forms without departing from the scope of the invention as claimed.
Claims (10)
1. The ultrasonic sound field regulation and control treatment device is characterized by comprising a control module, a signal generation module, a power amplification and feedback module, a transducer module, a display module and a power supply module
The control module is used for transmitting the treatment mode and the treatment parameters to the signal generation module and monitoring the power amplification and feedback module during treatment;
the signal generation module is used for generating corresponding excitation signals according to the treatment modes and the treatment parameters issued by the control module and transmitting the excitation signals to the transducer module;
the transducer module is used for outputting ultrasonic waves according to the transmitted excitation signals and feeding back the self state to the power amplifying and feedback module;
the power amplification and feedback module is used for amplifying the excitation signal, transmitting the amplified excitation signal to the transducer module, and transmitting the feedback result of the transducer module to the control module;
the display module is used for inputting the treatment parameters and the treatment modes, transmitting the treatment parameters and the treatment modes to the control module, and displaying the treatment modes and the treatment parameters of each module;
the power module is used for supplying power to the whole device.
2. The ultrasonic sound field regulation and control treatment device according to claim 1, wherein the control module comprises an FPGA and a singlechip, the data of the excitation signal is sent to the FPGA through a signal path by the singlechip, the FPGA analyzes the received signal and converts the received signal into initial phase, amplitude and frequency signals which can be regulated by each channel, and the FPGA generates the excitation signal according to the signals through the synergistic effect of an internal synchronization module, a DDS signal generation module and a conditioning output module.
3. An ultrasound field conditioning therapy device according to claim 2 wherein the adjustment of the frequency of the excitation signal is accomplished by adjusting the frequency division factor of the system clock within the FPGA, the adjustment of the frequency of the excitation signal being able to match the different transducers.
4. The ultrasonic sound field regulation and control treatment device according to claim 2, wherein the regulation of the phase of the excitation signal is to realize the delay of different channel signals by regulating the combined action of a coarse delay coefficient and a fine delay coefficient set in an FPGA internal delay system, and the initial phase of the excitation signal between channels is regulated by the length of the delay, and the regulation of the phase of the excitation signal can generate different working modes.
5. An ultrasound field conditioning therapy device according to claim 2 wherein the adjustment of the excitation signal amplitude is capable of matching different operating strengths.
6. An ultrasound field conditioning therapy device according to claim 1 wherein the transducer module employs a dual frequency multi-layer multi-element transducer wherein each element is capable of operating independently.
7. The ultrasonic sound field regulation and control treatment device according to claim 6, wherein the power amplification and feedback module is composed of a plurality of power amplification boards, and the number of the power amplification boards is the same as the number of vibration elements in the double-frequency multi-array element transducer.
8. The ultrasonic sound field regulation and control treatment device according to claim 1, wherein the power supply module comprises a power supply conversion module and a programmable switching power supply, the power supply conversion module converts voltage and provides the converted voltage to the control module, and the programmable switching power supply supplies power to the power amplification and feedback module.
9. The ultrasonic sound field regulation and control treatment device according to claim 1, wherein the control module is connected with an upper computer, and the upper computer is used for transmitting commands to the control module.
10. The ultrasonic sound field modulation and treatment device according to claim 9, wherein the transducer module can be used in combination with an external mechanical arm, and the mechanical arm is controlled by an upper computer.
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| CN202310596972.0A CN116570849A (en) | 2023-05-24 | 2023-05-24 | Ultrasonic sound field regulation and control treatment device |
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| CN202310596972.0A CN116570849A (en) | 2023-05-24 | 2023-05-24 | Ultrasonic sound field regulation and control treatment device |
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