CN111956961A - Ultrasonic physiotherapy system with target area imaging function and control method thereof - Google Patents

Ultrasonic physiotherapy system with target area imaging function and control method thereof Download PDF

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Publication number
CN111956961A
CN111956961A CN202010913086.2A CN202010913086A CN111956961A CN 111956961 A CN111956961 A CN 111956961A CN 202010913086 A CN202010913086 A CN 202010913086A CN 111956961 A CN111956961 A CN 111956961A
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ultrasonic
physiotherapy
module
ultrasound
probe
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孔祥清
蔡菁
张恩光
郭瑞彪
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Nanjing Khons Medtech Co ltd
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Nanjing Khons Medtech Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00Ultrasound therapy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/54Control of the diagnostic device

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  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Engineering & Computer Science (AREA)
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  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
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Abstract

The invention discloses an ultrasonic physiotherapy system with a target area imaging function and a control method thereof, wherein the system comprises a system host, a B-ultrasonic imaging probe, a physiotherapy probe and a display module, the system host comprises a main control module, a B-ultrasonic module and a physiotherapy ultrasonic module, the main control module is respectively connected with the display module, the B-ultrasonic module and the physiotherapy ultrasonic module, the B-ultrasonic module is respectively connected with the physiotherapy ultrasonic module and the B-ultrasonic imaging probe, and the physiotherapy ultrasonic module is connected with the physiotherapy probe; the B ultrasonic imaging probe is used for monitoring images of a treatment area, the physiotherapy probe is used for carrying out ultrasonic physiotherapy on a target area, and the main control module receives B ultrasonic images output by the B ultrasonic module and displays the B ultrasonic images on the display module. The invention integrates the B ultrasonic system and the physiotherapy ultrasonic control system into a novel ultrasonic physiotherapy system, and carries out time sequence management on the two parts at the bottom layer of the system, thereby realizing the configurable real-time B ultrasonic image monitoring in a visible area.

Description

Ultrasonic physiotherapy system with target area imaging function and control method thereof
Technical Field
The invention relates to an ultrasonic physiotherapy system with a target area imaging function and a control method thereof, belonging to the field of biomedical instruments and equipment.
Background
The ultrasonic physiotherapy technology is a novel medical technology. The ultrasonic physiotherapy technology emits certain power of ultrasonic waves from outside to inside of a human body, so that certain biological effect of the human body is generated, and the effect of noninvasive physiotherapy is achieved.
An ultrasonic physiotherapy system generally comprises an ultrasonic probe, a control circuit, system software and the like. The system software and the control circuit control the ultrasonic probe to emit plane ultrasonic waves with certain power into the human body to achieve the physical therapy purpose. However, such devices lack a monitoring mechanism, and cannot observe the region irradiated by the ultrasonic waves actually emitted into the human body, and cannot judge whether the target region to be treated is correctly irradiated, so that certain risks exist in effectiveness and safety. Moreover, most of the existing ultrasonic physiotherapy systems set constant electric power to perform ultrasonic transmission, and due to errors of a control circuit, the conversion efficiency of a transducer and the like, the sound power generated by the same electric power has errors, so that the generated effects are different or uncontrollable.
Disclosure of Invention
The invention aims to provide an ultrasonic physiotherapy system with a target area imaging function and a control method thereof on the premise of overcoming the defects in the prior art, wherein a novel ultrasonic physiotherapy system is formed by integrating a B ultrasonic system and a physiotherapy ultrasonic control system, and the two parts are subjected to time sequence management on the bottom layer of the system, so that the configurable real-time B ultrasonic image monitoring of a visible area is realized. In addition, the system is designed with a constant sound power control module, so that the problem that the existing system can only control electric power is solved, and the error problem caused by a control circuit, the conversion efficiency of a transducer and the like is solved.
One of the technical schemes adopted by the invention is as follows: an ultrasonic physiotherapy system with a target area imaging function comprises a system host, a B-ultrasonic imaging probe, a physiotherapy probe and a display module, wherein the system host comprises a main control module, a B-ultrasonic module and a physiotherapy ultrasonic module, the main control module is respectively connected with the display module, the B-ultrasonic module and the physiotherapy ultrasonic module, the B-ultrasonic module is respectively connected with the physiotherapy ultrasonic module and the B-ultrasonic imaging probe, and the physiotherapy ultrasonic module is connected with the physiotherapy probe; the B ultrasonic imaging probe is used for monitoring images of a treatment area, the physiotherapy probe is used for carrying out ultrasonic physiotherapy on a target area, and the main control module receives B ultrasonic images output by the B ultrasonic module and displays the B ultrasonic images on the display module.
Furthermore, the physiotherapy ultrasonic module comprises a positive voltage power supply, a negative voltage power supply, a power amplifier, a filtering and matching circuit, a physiotherapy ultrasonic emission control module and a safety monitoring circuit.
Furthermore, the physiotherapy ultrasonic emission control module comprises a voltage configuration logic unit, an emission control logic unit and a constant sound power calculation logic unit; the physiotherapy ultrasonic emission control module receives emission parameters sent by the main control module, after internal constant sound power calculation logic calculation, two power supplies are configured to output corresponding voltages, the power amplifier is controlled to emit high-voltage pulses at required frequency and time, and the emitted high-voltage pulses are subjected to electro-acoustic conversion through the ultrasonic transducer, so that the emission of ultrasonic waves is completed.
Furthermore, the physiotherapy ultrasonic module receives frame synchronization and line synchronization signals output by the B ultrasonic module, receives parameters of the size of the visible area issued by the main control module, further controls the transmission of ultrasonic power according to the parameters, the frame synchronization and the line synchronization signals, and adjusts the treatment area in a non-noise area of a B ultrasonic picture, thereby realizing the real-time detection of the treatment area.
Furthermore, the safety detection circuit comprises voltage detection, current detection, power detection and phase detection, and the ultrasonic module carries out safety monitoring on the electric signals in the transmitting process according to the detected parameters.
Furthermore, the B ultrasonic module comprises an imaging logic module, a pulse transmitting/receiving module and a digital beam forming module, wherein the B ultrasonic module images a treatment region by transmitting and receiving diagnostic ultrasound through a B ultrasonic probe and transmits the acquired image to the main control module, and meanwhile, the B ultrasonic module is connected with the physiotherapy ultrasonic module and processes the frame period and the line period of image scanning into synchronous signals and transmits the synchronous signals to the physiotherapy ultrasonic module.
Further, the main control module is connected with the B ultrasonic module through an RJ45 to receive the two-dimensional image transmitted by the B ultrasonic module; meanwhile, the system is connected with the physiotherapy ultrasonic module through a UART (universal asynchronous receiver/transmitter) to control the emission parameters of the physiotherapy ultrasonic module and receive the returned safety state of the physiotherapy ultrasonic module.
The second technical scheme adopted by the invention is as follows: a control method of an ultrasonic physiotherapy system with a target area imaging function is characterized by comprising the following steps:
(1) b ultrasonic probe scanning stage: scanning and checking a region to be treated with physical therapy by using a B-ultrasonic probe;
(2) and (3) a physical therapy stage: the user sets the ultrasonic power to be transmitted, the main control module sends the power value to the physiotherapy ultrasonic transmission control module, and the physiotherapy ultrasonic transmission control module converts the power value into a voltage value to be configured and performs constant sound power control; meanwhile, the physiotherapy ultrasonic module carries out safety monitoring on the electric signal in the transmitting process through a safety detection circuit;
(3) monitoring target area images: frame, line synchronization carry out between B ultrasonic module and the physiotherapy supersound module, when B ultrasonic image scans the treatment target area, physiotherapy supersound pause emission, when B ultrasonic image scans outside the treatment target area, physiotherapy supersound starts the emission to under the prerequisite that does not influence the physiotherapy effect, realize the real-time supervision of target area image.
The invention has the following beneficial effects:
1) the B ultrasonic module transmits a frame period and a line period in the two-dimensional image scanning process to the physiotherapy ultrasonic module as synchronous signals, so that real-time B ultrasonic image monitoring of a visible area is realized. Meanwhile, the size of the visible area can be further controlled according to the parameter of the size of the visible area set by the main control module.
2) The constant sound power calculation logic in the physiotherapy ultrasonic module can control the ultrasonic transducer to emit constant ultrasonic power, so that the problem that the conventional system can only control electric power is solved, and the error problem caused by the conversion efficiency of a control circuit and the transducer is solved.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention, wherein: 1 is a system host, 2 is an imaging probe, and 3 is a physiotherapy probe.
Fig. 2 is a schematic diagram of the electrical connections of the modules of the present invention.
Fig. 3 is a schematic diagram of the architecture of the physiotherapeutic ultrasound module.
FIG. 4 is a schematic diagram of the architecture of a B-mode ultrasound module.
Fig. 5 is a flow chart of a system control method.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the ultrasound physiotherapy system with the target imaging function of the present invention includes a main control module, a B-ultrasound module, a physiotherapy ultrasound module, an imaging probe, and a physiotherapy probe. Wherein, the main control module, the B ultrasonic module and the physiotherapy ultrasonic module form a host of the system.
As shown in fig. 2, the main control module is respectively connected with the B-mode ultrasound module through RJ45 to receive the two-dimensional image transmitted by the B-mode ultrasound module; the system is connected with the physiotherapy ultrasonic module through a UART (universal asynchronous receiver transmitter) to control the emission parameters of the physiotherapy ultrasonic module and receive the returned safety state of the physiotherapy ultrasonic module. Meanwhile, the B ultrasonic module is connected with the B ultrasonic probe through an electric cable and is used for transmitting a high-voltage pulse signal for diagnosis to the B ultrasonic probe, so that the high-voltage pulse signal is converted into a diagnosis ultrasonic signal, and the ultrasonic diagnosis of a treatment region is realized. The physiotherapy ultrasonic module is connected with the physiotherapy probe through a cable and used for transmitting the high-voltage pulse to the physiotherapy ultrasonic transducer to achieve the purpose of physiotherapy ultrasonic emission. The B ultrasonic module is connected with the physiotherapy ultrasonic module through a synchronous signal.
As shown in fig. 3, the ultrasound physiotherapy module includes a positive voltage power supply, a negative voltage power supply, a power amplifier, a filtering and matching circuit, an ultrasound physiotherapy emission control module, and a safety monitoring circuit. In the embodiment, the physiotherapy ultrasonic emission control module is realized by FPGA, and the internal logic is divided into three parts, namely voltage configuration logic, emission control logic and constant sound power calculation logic. The FPGA receives the transmitting parameters sent by the main control module through the UART, and configures two paths of power supplies to output corresponding voltages after internal constant sound power calculation logic calculation. The transmitting control logic in the FPGA controls the power amplifier to transmit high-voltage pulses at a required frequency, and the transmitted high-voltage pulses are processed by the filtering/matching circuit and then transmitted to the physiotherapy ultrasonic transducer to be subjected to electroacoustic conversion, so that the transmission of physiotherapy ultrasonic waves is completed. The transmission control logic in the FPGA receives the synchronous signal of the B ultrasonic module at the same time, when the B ultrasonic module scans the treatment area, the transmission is controlled to stop, and when the B ultrasonic module scans the non-treatment area, the transmission is controlled to start, so that the purpose of monitoring the treatment process in real time is realized, and the interference of the physiotherapy ultrasound on the scanning of the treatment area is avoided. The safety detection circuit comprises voltage detection, current detection, power detection and phase detection, and the FPGA transmits detected information to the main control module through the UART.
As shown in fig. 4, the B-mode ultrasound module includes an imaging logic module, a pulse transmitting/receiving module, and a digital beam forming module. The imaging logic module in this example is implemented by an FPGA. The B ultrasonic module images a treatment area by transmitting and receiving diagnostic ultrasound through a B ultrasonic probe and transmits the acquired images to the main control module through the RJ 45. The FPGA processes the frame period and the line period of the image scanning into synchronous signals and transmits the synchronous signals to the physiotherapy ultrasonic module.
As shown in FIG. 5, the control flow of the system for physiotherapy is as follows:
(1) b ultrasonic probe scanning stage: scanning and checking a region to be treated with physical therapy by using a B-ultrasonic probe;
(2) and (3) a physical therapy stage: the user sets the ultrasonic power to be transmitted, the main control module sends the power value to the physiotherapy ultrasonic transmission control module, and the physiotherapy ultrasonic transmission control module converts the power value into a voltage value to be configured and performs constant sound power control; meanwhile, the physiotherapy ultrasonic module carries out safety monitoring on the electric signal in the transmitting process through a safety detection circuit;
(3) monitoring target area images: frame, line synchronization carry out between B ultrasonic module and the physiotherapy supersound module, when B ultrasonic image scans the treatment target area, physiotherapy supersound pause emission, when B ultrasonic image scans outside the treatment target area, physiotherapy supersound starts the emission to under the prerequisite that does not influence the physiotherapy effect, realize the real-time supervision of target area image.
(4) And starting treatment timing, and stopping ultrasonic emission by the system when the preset time is reached.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.
The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims (8)

1. An ultrasonic physiotherapy system with a target area imaging function comprises a system host, a B-ultrasonic imaging probe, a physiotherapy probe and a display module, and is characterized in that the system host comprises a main control module, a B-ultrasonic module and a physiotherapy ultrasonic module, the main control module is respectively connected with the display module, the B-ultrasonic module and the physiotherapy ultrasonic module, the B-ultrasonic module is respectively connected with the physiotherapy ultrasonic module and the B-ultrasonic imaging probe, and the physiotherapy ultrasonic module is connected with the physiotherapy probe; the B ultrasonic imaging probe is used for monitoring images of a treatment area, the physiotherapy probe is used for carrying out ultrasonic physiotherapy on a target area, and the main control module receives B ultrasonic images output by the B ultrasonic module and displays the B ultrasonic images on the display module.
2. The ultrasound physiotherapy system with target area imaging function of claim 1, wherein the physiotherapy ultrasound module comprises a positive voltage power supply, a negative voltage power supply, a power amplifier, a filtering and matching circuit, a physiotherapy ultrasound emission control module and a safety monitoring circuit.
3. The ultrasound physiotherapy system with the target imaging function of claim 2, wherein the physiotherapy ultrasound emission control module comprises a voltage configuration logic unit, an emission control logic unit, and a constant acoustic power calculation logic unit; the physiotherapy ultrasonic emission control module receives emission parameters sent by the main control module, after internal constant sound power calculation logic calculation, two power supplies are configured to output corresponding voltages, the power amplifier is controlled to emit high-voltage pulses at required frequency and time, and the emitted high-voltage pulses are subjected to electro-acoustic conversion through the ultrasonic transducer, so that the emission of ultrasonic waves is completed.
4. The ultrasound physiotherapy system with the target imaging function of claim 1, 2 or 3, wherein the ultrasound physiotherapy module receives the frame synchronization and line synchronization signals output by the ultrasound-B module, receives the parameters of the size of the visible region sent by the main control module, and further controls the transmission of the ultrasound power according to the parameters, the frame synchronization and the line synchronization signals to adjust the treatment region to the non-noise region of the ultrasound-B picture, thereby realizing the real-time detection of the treatment region.
5. The ultrasound physiotherapy system with the target imaging function of claim 2, wherein the safety detection circuit comprises voltage detection, current detection, power detection and phase detection, and the ultrasound module monitors the electric signal in the emission process safely according to the detected parameters.
6. The ultrasound physiotherapy system with the target area imaging function of claim 1, wherein the B-mode ultrasound module comprises an imaging logic module, a pulse transmitting/receiving module, and a digital beam forming module, wherein the B-mode ultrasound module images the treatment area by transmitting and receiving diagnostic ultrasound through the B-mode probe and transmits the acquired images to the main control module, and the B-mode ultrasound module is connected with the physiotherapy ultrasound module and processes the frame period and the line period of the image scanning into synchronous signals and transmits the synchronous signals to the physiotherapy ultrasound module.
7. The ultrasound physiotherapy system with the target area imaging function of claim 1, wherein the main control module is connected with the B-mode ultrasound module through an RJ45 so as to receive the two-dimensional image transmitted by the B-mode ultrasound module; meanwhile, the system is connected with the physiotherapy ultrasonic module through a UART (universal asynchronous receiver/transmitter) to control the emission parameters of the physiotherapy ultrasonic module and receive the returned safety state of the physiotherapy ultrasonic module.
8. A control method of an ultrasonic physiotherapy system with a target area imaging function is characterized by comprising the following steps:
(1) b ultrasonic probe scanning stage: scanning and checking a region to be treated with physical therapy by using a B-ultrasonic probe;
(2) and (3) a physical therapy stage: the user sets the ultrasonic power to be transmitted, the main control module sends the power value to the physiotherapy ultrasonic transmission control module, and the physiotherapy ultrasonic transmission control module converts the power value into a voltage value to be configured and performs constant sound power control; meanwhile, the physiotherapy ultrasonic module carries out safety monitoring on the electric signal in the transmitting process through a safety detection circuit;
(3) monitoring target area images: frame, line synchronization carry out between B ultrasonic module and the physiotherapy supersound module, when B ultrasonic image scans the treatment target area, physiotherapy supersound pause emission, when B ultrasonic image scans outside the treatment target area, physiotherapy supersound starts the emission to under the prerequisite that does not influence the physiotherapy effect, realize the real-time supervision of target area image.
CN202010913086.2A 2020-09-03 2020-09-03 Ultrasonic physiotherapy system with target area imaging function and control method thereof Pending CN111956961A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150150502A1 (en) * 2012-10-07 2015-06-04 Shiming Wu Integrated device for breast disease diagnosis and treatment
CN111012380A (en) * 2019-12-30 2020-04-17 南京广慈医疗科技有限公司 Method for real-time monitoring target area image for focused ultrasound system
CN111408075A (en) * 2020-03-23 2020-07-14 南京广慈医疗科技有限公司 High-intensity focused ultrasound diagnosis and treatment system with temperature measurement function and control method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150150502A1 (en) * 2012-10-07 2015-06-04 Shiming Wu Integrated device for breast disease diagnosis and treatment
CN111012380A (en) * 2019-12-30 2020-04-17 南京广慈医疗科技有限公司 Method for real-time monitoring target area image for focused ultrasound system
CN111408075A (en) * 2020-03-23 2020-07-14 南京广慈医疗科技有限公司 High-intensity focused ultrasound diagnosis and treatment system with temperature measurement function and control method thereof

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Application publication date: 20201120