CN212308679U - Ultrasonic detection system - Google Patents
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- CN212308679U CN212308679U CN201922442848.0U CN201922442848U CN212308679U CN 212308679 U CN212308679 U CN 212308679U CN 201922442848 U CN201922442848 U CN 201922442848U CN 212308679 U CN212308679 U CN 212308679U
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Abstract
The embodiment of the application provides an ultrasonic detection system which is used for carrying out ultrasonic monitoring on tissues of a human body. The ultrasonic detection system includes: the ultrasonic transducer, the driving device and the control device; the ultrasonic transducer is connected with the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves for multiple times so as to melt the target tissue in the focal region; and in one or more gaps of any two adjacent continuous ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the tissues and receives one or more groups of echo signals; the control device is connected with the driving device and is used for controlling the ultrasonic transducer to emit continuous ultrasonic waves and pulse ultrasonic waves to the tissues; the controller is also used for determining a fluctuation rule according to the fluctuation states of one or more groups of echo signals. The embodiment of the application realizes the monitoring of the target tissue state and the early warning of the safety of normal tissues, thereby effectively improving the efficiency and the safety of the ultrasonic ablation operation.
Description
Technical Field
The application relates to the technical field of ultrasonic monitoring, in particular to an ultrasonic detection system.
Background
Currently, in focused ultrasound ablation surgery, doctors mainly rely on the gray scale change of a B ultrasonic image and clinical experience to evaluate whether tumor tissues are necrotic and whether normal tissues of human bodies are safe. Since the gray scale of the B ultrasonic image is not obviously changed in the process of tumor tissue necrosis, when strong echo appears on the B ultrasonic image, the tumor tissue is usually over-treated, and the ultrasonic wave is blocked from passing through the focal region to reach normal tissue of a posterior field. These all affect the monitoring of the safety of the normal tissue in the field after the focal field. In the process of focused ultrasound ablation surgery, because the B ultrasonic image only displays a two-dimensional section of a tissue framework, whether normal tissues of a human body are safe or not cannot be evaluated in real time, and the safety of the normal tissues cannot be ensured. In addition, during the training process of the focused ultrasound ablation surgical system, a clinical plan is often required to be made according to the experience of a doctor, and whether tissues are damaged or not is also required to be judged by the experience of the doctor during the operation, which inevitably increases the training cost of the doctor and prolongs the operation treatment time.
SUMMERY OF THE UTILITY MODEL
The application aims at the defects of the prior art and provides an ultrasonic detection system which is used for solving the technical problems of poor safety and low treatment efficiency in the prior art and realizing digital treatment and digital monitoring of focused ultrasonic operation.
The embodiment of the application provides an ultrasonic detection system for carry out ultrasonic monitoring to the tissue of human body, include: the ultrasonic transducer, the driving device and the control device; the ultrasonic transducer is connected with the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves for multiple times so as to ablate target tissues in a focal zone; and, in one or more gaps of any two adjacent consecutive ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and receive one or more sets of echo signals; the control device is connected with the driving device and is used for controlling the ultrasonic transducer to emit continuous ultrasonic waves and pulse ultrasonic waves to the tissue; the controller is further configured to determine a fluctuation law according to a fluctuation state of the one or more sets of echo signals.
In an embodiment of the present application, the driving device includes a power source, the power source is connected to the ultrasonic transducer, and the control device controls the power source to emit a continuous wave signal to drive the ultrasonic transducer.
In an embodiment of the application, the driving device further includes a pulse signal generator, the pulse signal generator is connected to the ultrasonic transducer, and the control device controls the pulse signal generator to emit a pulse signal to drive the ultrasonic transducer and receive the echo signal through the pulse signal generator.
In an embodiment of the application, in each of the gaps, the pulse signal generator emits a plurality of pulse signals to the ultrasonic transducer, and the control device obtains a plurality of echo signals through the pulse signal generator and determines a fluctuation law according to the plurality of echo signals.
In an embodiment of the present application, the driving device further includes a matcher, and the matcher is respectively connected to the ultrasonic transducer, the power source and the pulse signal generator, and is configured to adjust a load impedance to match with an impedance of the power source, and tune the operating frequency of the ultrasonic transducer.
In an embodiment of the present application, the driving apparatus further includes a high voltage isolation switch, and the high voltage isolation switch is disposed between the power source and the pulse signal generator; when the power source drives the ultrasonic transducer, the high-voltage isolating switch is used for disconnecting the power source from the pulse annunciator.
In an embodiment of the present application, the control device includes a controller and a filter, the controller controls the filter to process the echo signal, and the filter performs filtering, noise reduction, and spectrum analysis on the echo signal.
In an embodiment of the present application, the control device further includes a memory, the memory is connected to the controller, and the memory is configured to store the echo signal.
In an embodiment of the application, the control device further includes an alarm, the alarm is connected to the controller, and the controller controls the alarm to send out alarm information according to the fluctuation rule.
In an embodiment of the present application, the control device is a lower computer, and the ultrasonic transducer is a focused ultrasonic transducer.
The technical scheme provided by the embodiment of the application has the following beneficial technical effects:
according to the ultrasonic ablation method and the ultrasonic ablation device, after the target tissue is ablated by the ultrasonic transducer every time, pulse ultrasonic waves are emitted by the ultrasonic transducer to detect the target tissue and the periphery of the target tissue, an evaluation mechanism for monitoring the necrosis of the target tissue and the safety of normal tissue is established according to the fluctuation rule of echo signals, and the early warning of the state of the target tissue and the safety of the normal tissue is respectively realized according to the fluctuation rule of the echo signals, so that direct technical support is provided for the safety, the efficiency and the accuracy of the ultrasonic ablation operation. Furthermore, the embodiment of the application utilizes the characteristic of the reflected signal of the tissue of the human body received by the ultrasonic transducer to realize the digital treatment of the ultrasonic ablation operation, thereby effectively improving the treatment efficiency and the safety.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an ultrasound detection system according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a control method of an ultrasound detection system according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.
The embodiment of the present application provides an ultrasonic detection system, which is used for performing ultrasonic monitoring on tissues of a human body, and a schematic structural diagram of the ultrasonic detection system is shown in fig. 1, and includes: an ultrasonic transducer 1, a driving device 2 and a control device 3; the ultrasonic transducer 1 is connected with the driving device 2, and the driving device 2 drives the ultrasonic transducer 1 to emit continuous ultrasonic waves for multiple times so as to ablate the target tissue 10 in a focal region; and, in one or more gaps of any two adjacent consecutive ultrasonic waves, the driving device 2 drives the ultrasonic transducer 1 to emit pulsed ultrasonic waves to the tissue and receive one or more sets of echo signals; the control device 3 is connected with the driving device 2 and is used for controlling the ultrasonic transducer 1 to emit continuous ultrasonic waves and pulse ultrasonic waves to tissues; the controller is also used for determining a fluctuation rule according to the fluctuation states of one or more groups of echo signals.
As shown in fig. 1, an ultrasound transducer 1 may be connected to a driving device 2 for ultrasound monitoring of the tissue of a human body. The ultrasonic transducer 1 can be a focused ultrasonic transducer 1, which can be driven by a driving device 2 to emit continuous ultrasonic waves, and low-energy ultrasonic waves outside a human body pass through multilayer tissues of the human body and then are focused in the human body to form a high-energy focused acoustic focal region, so that the focused acoustic energy is converted into heat energy to ablate target tissues 10 in the focal region, namely, tumor tissues are ablated and treated. After each ablation, the control device 3 can control the driving device 2 to drive the ultrasonic transducer 1 to emit pulsed ultrasonic waves, and the pulsed ultrasonic waves pass through the multilayer tissues of the human body and reach the focal region and the region outside the focal region (including the front field region and the back field region of the focal region). Specifically, the pulsed ultrasonic wave can detect tumor tissue and normal tissue around the tumor tissue, and the reflected echo signals reach the surface of the ultrasonic transducer 1 and are received in a superimposed manner, and can be transmitted to the control device 3 via the driving device 2. The control device 3 can perform corresponding signal processing according to the received echo signals, and respectively realize tumor tissue necrosis state and normal tissue safety early warning according to the signal characteristics. Further, the ultrasonic transducer 1 may emit continuous ultrasonic waves a plurality of times, and in any one or more of two adjacent emitting gaps, the ultrasonic transducer 1 may emit pulsed ultrasonic waves for detection.
According to the embodiment of the application, after the ultrasonic transducer 1 ablates the target tissue 10 every time, the ultrasonic transducer 1 emits pulse ultrasonic waves to detect the target tissue 10 and the periphery of the target tissue 10, an evaluation mechanism for monitoring necrosis of the target tissue 10 and safety of normal tissues is established according to the fluctuation law of echo signals, and early warning of the state of the target tissue 10 and safety of the normal tissues is respectively realized according to the fluctuation laws of the echo signals, so that direct technical support is provided for safety, efficiency and accuracy of the ultrasonic ablation operation. Furthermore, the embodiment of the application utilizes the characteristics of the reflected signals of the tissues of the human body received by the ultrasonic transducer 1 to realize the digital treatment of the ultrasonic ablation operation, so that the treatment efficiency and the safety can be effectively improved.
In an embodiment of the present application, as shown in fig. 1, the driving device 2 includes a power source 21, the power source 21 is connected to the ultrasonic transducer 1, and the control device 3 controls the power source 21 to emit a continuous wave signal to drive the ultrasonic transducer 1. The power source 21 may be a high power source, but the embodiment of the present application is not limited thereto. The power source 21 may in particular be electrically connected to the ultrasound transducer 1 and may be in control connection with the control device 3. In practical application, the control device 3 can control the power source 21 to transmit a continuous wave signal, and the continuous wave signal drives the ultrasonic transducer 1 to transmit continuous ultrasonic waves to the target tissue 10, so as to achieve ablation of the target tissue 10.
Alternatively, the driving device 2 and the control device 3 may be separate devices, and a wire may be used for connection between the two devices. However, the embodiment of the present application is not limited to this, and the control device 3 may be integrated with the driving device 2 into an integrated device. Therefore, the implementation of the present application is not limited thereto, and those skilled in the art can adjust the setting according to the actual situation.
In an embodiment of the present application, as shown in fig. 1, the driving device 2 further includes a pulse signal generator 22, the pulse signal generator 22 is connected to the ultrasonic transducer 1, and the control device 3 controls the pulse signal generator 22 to emit a pulse signal to drive the ultrasonic transducer 1, and receives an echo signal through the pulse signal generator 22. The pulse signal generator 22 may specifically include a signal generating portion and an oscillograph portion, the signal generating portion is connected to the ultrasound transducer 1, the signal generating portion may transmit a pulse signal to the ultrasound transducer 1, the pulse signal may drive the ultrasound transducer 1 to transmit a pulse ultrasonic wave, the pulse ultrasonic wave passes through a complex tissue of a human body and then reaches the target tissue 10 and a peripheral region thereof, and a return echo signal is received by the ultrasound transducer 1, and the ultrasound transducer 1 may transmit the received echo signal to the oscillograph portion for display. The oscillograph part can adopt a digital oscilloscope, and an operator can determine the fluctuation rule of the echo signal according to the numerical value displayed by the oscillograph part in practical application so as to confirm the target tissue 10 and the state of the periphery of the target tissue 10. By adopting the design, the pulse signal generator 22 is connected with the ultrasonic transducer 1, so that the ultrasonic transducer 1 can detect the target tissue 10 and the periphery of the target tissue 10 in the ablation gap of the target tissue 10, and the safety and the efficiency of the ultrasonic ablation operation are ensured.
It should be noted that the present application is not limited to the specific implementation of the pulse signal generator 22, for example, the pulse signal generator may only include a signal generating portion, which can send the received signal to the control device 3 for processing. Therefore, the embodiments of the present application are not limited thereto, and those skilled in the art can adjust the settings according to actual situations.
In an embodiment of the present application, referring to fig. 1 in combination, the pulse signal generator 22 in each gap transmits a plurality of pulse signals to the ultrasound transducer 1, and the control device 3 obtains a plurality of echo signals through the pulse signal generator 22 and determines the fluctuation rule according to the plurality of echo signals. Specifically, since the ultrasound transducer 1 needs to transmit continuous ultrasound waves to the target tissue 10 multiple times, the ultrasound transducer 1 needs to emit pulsed ultrasound waves to the target tissue 10 and the periphery of the target tissue 10 for detection after each time the continuous ultrasound waves ablate the target tissue 10, so that real-time monitoring can be realized to ensure the safety of the ultrasound ablation procedure. In actual operation, the pulse signaler 22 may transmit one or more sets of pulse signals to the ultrasound transducer 1 in each gap, and each set of pulse signals may include a plurality of pulse signals, so that the ultrasound transducer 1 transmits one set of pulse ultrasonic waves or a plurality of sets of pulse ultrasonic waves. The control device 3 may receive one or more echo signals via the pulse signal generator 22 and may determine its fluctuation law from a plurality of echo signals within one group or may determine the fluctuation law from a plurality of echo signals. Therefore, the accuracy and the safety of detection can be greatly improved, and data reference can be provided for next continuous ultrasonic wave emission, so that the efficiency and the safety of an ultrasonic ablation operation are further improved. However, the embodiments of the present application are not limited thereto, and those skilled in the art can adjust the settings according to the actual situation.
In an embodiment of the present application, as shown in fig. 1, the driving device 2 further includes a matching unit 23, where the matching unit 23 is respectively connected to the ultrasonic transducer 1, the power source 21 and the pulse signal generator 22, and is used for adjusting the load impedance to match with the impedance of the power source 21 and tuning the operating frequency of the ultrasonic transducer 1. Specifically, the matching unit 23 may be directly integrated inside the driving device 2, and both the power source 21 and the pulse signal generator 22 may be connected to the ultrasonic transducer 1 through the matching unit 23. The matcher 23 may be used to adjust the load impedance of the ultrasonic transducer 1 to match the impedance of the power source 21 and the pulse signal generator 22, and to tune the operating frequency of the ultrasonic transducer 1. By adopting the design, the structure of the ultrasonic ablation operation system is simple, the safety and the stability of the ultrasonic ablation operation system can be effectively improved, and the safety of the ultrasonic ablation operation is further improved.
It should be noted that the implementation of the present application is not limited to the specific implementation of the matching device 23, for example, the matching device 23 may also be designed as a separate body with the driving device 2 and connected by a wire; in some other embodiments, the matcher 23 may not be included. Therefore, the embodiments of the present application are not limited thereto, and those skilled in the art can adjust the settings according to actual situations.
In an embodiment of the present application, as shown in fig. 1, the driving apparatus 2 further includes a high voltage isolation switch 24, the high voltage isolation switch 24 is disposed between the power source 21 and the pulse signal generator 22; the high voltage isolation switch 24 is used to disconnect the power source 21 from the pulse signaler 22 when the power source 21 drives the ultrasonic transducer 1. The two ends of the high-voltage isolating switch 24 can be respectively connected with the power and pulse annunciator 22, which can be used for disconnecting the power source 21 from the pulse annunciator 22 when the power source 21 drives the ultrasonic transducer 1. Specifically, the pulse signal generator 22 can send a pulse signal under the control of the control device 3, and the pulse signal can pass through the high-voltage isolating switch 24 and then pass through the matcher 23 to drive the ultrasonic transducer 1 to send a pulse ultrasonic wave; the power source 21 can send a continuous wave signal under the control of the control device 3, the continuous wave signal can be isolated by the high-voltage isolating switch 24 to prevent the continuous wave signal from interfering with the pulse signal generator 22, and the continuous wave signal can directly pass through the matcher 23 to be matched and then drive the ultrasonic transducer 1 to send continuous ultrasonic waves. By adopting the design, the pulse annunciator 22 can be prevented from being interfered when the continuous ultrasonic signals are transmitted, so that the safety and the accuracy of the implementation of the method are improved.
It should be noted that the present application is not limited to the specific implementation of the high isolation switch, as long as the high isolation switch can isolate the connection between the power source 21 and the pulse signal generator 22, so the present application is not limited to this, and those skilled in the art can adjust the setting according to the actual situation.
In an embodiment of the present application, the control device 3 includes a controller and a filter, the controller controls the filter to process the echo signal, and the filter performs filtering, noise reduction, and spectrum analysis on the echo signal. Optionally, the control device 3 further comprises a memory connected to the controller, the memory being configured to store the echo signal. Optionally, the control device 3 further comprises an alarm, the alarm is connected with the controller, and the controller controls the alarm to send out alarm information according to the fluctuation rule.
As shown in fig. 1, the control device 3 may be an upper computer, the driving device 2 and the ultrasonic transducer 1 may be integrated into a single device, the control device 3 may be connected to the device through a data line, and an operator may control the driving device 2 and the ultrasonic transducer 1 on the control device 3. However, the type of the control device 3 is not limited in the embodiment of the present application, and those skilled in the art can adjust the setting as needed. The filter may be echo processing software or hardware of the control device 3, and after filtering, denoising, and spectrum analysis processing are performed on the received echo signal, the controller may sequentially store the processed echo signal in the memory. The controller can analyze the echo signals, and when the fluctuation rule of the echo signals changes, the controller can control the alarm to give an alarm. The alarm may be specifically software or hardware built in the control device 3, for example, the alarm may be text and graphic information displayed on a display of the control device 3, or may be other alarm information such as sound, light, and electricity. By adopting the design, not only can the digital treatment and digital monitoring of the ultrasonic ablation operation be realized, but also the application and maintenance cost of the embodiment of the application can be effectively reduced, and further the training time and cost of operators can be reduced.
Based on the same concept, an embodiment of the present application provides a control method of an ultrasonic detection system, a flowchart of the method is shown in fig. 2, and the method includes:
s201: the ultrasonic transducer is controlled to emit continuous ultrasonic waves multiple times to ablate the target tissue within the focal zone.
For example, when starting ultrasonic ablation of target tissue in the human body, the control device may control the ultrasonic transducer to emit continuous ultrasonic waves multiple times, so that ultrasonic ablation of the target tissue in the focal region may be performed. Specifically, a controller in the control device can control the power source to emit continuous wave signals for multiple times, the continuous wave signals are matched by the matcher and then drive the ultrasonic transducer to transmit continuous ultrasonic waves, and the continuous ultrasonic waves can perform ultrasonic ablation on target tissues in a focal zone.
S202: and in one or more gaps of any two adjacent continuous ultrasonic waves, controlling the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and controlling the ultrasonic transducer to receive one or more groups of echo signals.
For example, when the ultrasound transducer has not emitted continuous ultrasound waves, or the ultrasound transducer is in a gap between two times of continuous ultrasound waves emitted, the controller of the control device may control the pulse signal generator of the driving device to emit one or more sets of pulse signals, the pulse signals may drive the ultrasound transducer to emit pulsed ultrasound waves to the tissue to detect the target tissue and the periphery of the target tissue, the pulsed ultrasound waves return echo signals after reaching the tissue, and the echo signals may be received by the surface of the ultrasound transducer in an overlapping manner. It should be noted that the number of each group of pulse signals is not limited, and each group of pulse signals may be one or more than one, so that the number of pulse signals in the embodiment of the present application is not limited, and those skilled in the art can adjust the setting according to actual situations.
S203: one or more groups of echo signals are obtained through the ultrasonic transducer, and the fluctuation rule is determined according to the fluctuation state of the one or more groups of echo signals.
For example, the controller of the control device may control the pulse signal generator to receive one or more sets of echo signals transmitted by the ultrasonic transducer, and the control device may determine the fluctuation law according to the fluctuation states of the one or more sets of echo signals. The control device can also establish a target tissue necrosis and target tissue periphery safety evaluation mechanism according to a fluctuation rule, so that real-time monitoring of the target tissue necrosis state and safety of the target tissue periphery are realized, the safety and accuracy of the ultrasonic ablation operation can be effectively improved, and the digitization of the ultrasonic ablation operation can be realized, and the application and use cost can be effectively reduced.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
according to the ultrasonic ablation method and the ultrasonic ablation device, after the target tissue is ablated by the ultrasonic transducer every time, pulse ultrasonic waves are emitted by the ultrasonic transducer to detect the target tissue and the periphery of the target tissue, an evaluation mechanism for monitoring the necrosis of the target tissue and the safety of normal tissue is established according to the fluctuation rule of echo signals, and the early warning of the state of the target tissue and the safety of the normal tissue is respectively realized according to the fluctuation rule of the echo signals, so that direct technical support is provided for the safety, the efficiency and the accuracy of the ultrasonic ablation operation. Furthermore, the embodiment of the application utilizes the characteristic of the reflected signal of the tissue of the human body received by the ultrasonic transducer to realize the digital treatment of the ultrasonic ablation operation, thereby effectively improving the treatment efficiency and the safety.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present application, and that the present application is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the application, and these changes and modifications are to be considered as the scope of the application.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. An ultrasound detection system for ultrasonically monitoring tissue of a human body, comprising: the ultrasonic transducer, the driving device and the control device;
the ultrasonic transducer is connected with the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves for multiple times so as to ablate target tissues in a focal zone; and, in one or more gaps of any two adjacent consecutive ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and receive one or more sets of echo signals;
the control device is connected with the driving device and is used for controlling the ultrasonic transducer to emit continuous ultrasonic waves and pulse ultrasonic waves to the tissue; the control device is also used for determining a fluctuation rule according to the fluctuation state of the one or more groups of echo signals.
2. The ultrasound detection system of claim 1 wherein the drive means includes a power source connected to the ultrasound transducer, the control means controlling the power source to emit a continuous wave signal to drive the ultrasound transducer.
3. The ultrasonic detection system of claim 2, wherein the driving device further comprises a pulse signal generator, the pulse signal generator is connected to the ultrasonic transducer, and the control device controls the pulse signal generator to emit a pulse signal to drive the ultrasonic transducer and receive the echo signal through the pulse signal generator.
4. The ultrasonic detection system of claim 3, wherein the pulse signal generator emits a plurality of pulse signals to the ultrasonic transducer in each of the gaps, and the control device acquires a plurality of echo signals through the pulse signal generator and determines a fluctuation law according to the plurality of echo signals.
5. The ultrasonic detection system of claim 3, wherein the driving device further comprises a matching device, the matching device is respectively connected to the ultrasonic transducer, the power source and the pulse signal generator, and is configured to adjust a load impedance to match an impedance of the power source and tune an operating frequency of the ultrasonic transducer.
6. The ultrasonic detection system of claim 5, wherein the drive means further comprises a high voltage isolator disposed between the power source and the pulse annunciator; when the power source drives the ultrasonic transducer, the high-voltage isolating switch is used for disconnecting the power source from the pulse annunciator.
7. The ultrasonic detection system of claim 1, wherein the control device comprises a controller and a filter, the controller controls the filter to process the echo signal, and the filter performs filtering, noise reduction and spectral analysis on the echo signal.
8. The ultrasound detection system of claim 7, wherein the control device further comprises a memory coupled to the controller, the memory for storing the echo signals.
9. The ultrasonic detection system of claim 7, wherein the control device further comprises an alarm, the alarm is connected with the controller, and the controller controls the alarm to send out alarm information according to the fluctuation rule.
10. An ultrasound detection system according to any of claims 1 to 9 wherein the control means is a lower computer and the ultrasound transducer is a focused ultrasound transducer.
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| WO2022166818A1 (en) * | 2021-02-07 | 2022-08-11 | 重庆海扶医疗科技股份有限公司 | Ultrasound ablation system and control method therefor |
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| WO2022166818A1 (en) * | 2021-02-07 | 2022-08-11 | 重庆海扶医疗科技股份有限公司 | Ultrasound ablation system and control method therefor |
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