Ultrasonic detection system and its control method

Abstract

An embodiment of the present application provides an ultrasonic detection system and a control method thereof, which are used for ultrasonic monitoring of human tissues. The ultrasonic detection system includes: an ultrasonic transducer, a driving device and a control device; the ultrasonic transducer is connected to the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate a target tissue in a focal region; and, within the gap between any two adjacent continuous ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and receive one or more groups of echo signals; the control device is connected to the driving device and is used for controlling the ultrasonic transducer to emit continuous ultrasonic waves and pulsed ultrasonic waves to the tissue; the controller is further used for determining a fluctuation law according to the fluctuation state of one or more groups of echo signals. The embodiment of the present application realizes the monitoring of the state of the target tissue and the safety warning of normal tissues, thereby effectively improving the efficiency and safety of ultrasonic ablation surgery.

Description

Technical Field

[0001] This application relates to the field of ultrasonic monitoring technology. Specifically, this application relates to an ultrasonic detection system and its control method. Background Art

[0002] Currently, in focused ultrasound ablation surgery, doctors mainly rely on the gray-scale changes of B-ultrasound images and clinical experience to evaluate whether the tumor tissue has necrosis and whether the normal human tissue is safe. Since the gray-scale changes of B-ultrasound images are not obvious during the necrosis process of tumor tissue, when there is a strong echo on the B-ultrasound image, it often causes over-treatment of the tumor tissue, blocking the ultrasonic wave from passing through the focal region to the normal tissue in the back field. These will all affect the monitoring of the safety of the normal tissue in the back field of the focal region. During the focused ultrasound ablation surgery, since the B-ultrasound image only shows the tissue structure of a two-dimensional section, it is not sufficient to evaluate the safety of the normal human tissue in real time, often resulting in the inability to guarantee the safety of the normal tissue. In addition, during the training process of the focused ultrasound ablation surgery system, clinical plans often need to be formulated according to doctors' experience, and during the operation, doctors' experience is also needed to determine whether the tissue is damaged, which will inevitably increase the cost of doctor training and prolong the operation treatment time. Summary of the Invention

[0003] In view of the shortcomings of the existing methods, this application proposes an ultrasonic detection system and its control method to solve the technical problems of poor safety and low treatment efficiency existing in the prior art, and realizes the digital treatment and digital monitoring of focused ultrasound surgery.

[0004] In a first aspect, an embodiment of this application provides an ultrasonic detection system for ultrasonic monitoring of human tissues, including: an ultrasonic transducer, a driving device, and a control device;

[0005] The ultrasonic transducer is connected to the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate the target tissue in the focal region; and, within the gap between any one or more adjacent two continuous ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and receive one or more groups of echo signals; the control device is connected to the driving device for controlling the ultrasonic transducer to emit continuous ultrasonic waves and pulsed ultrasonic waves to the tissue; the controller is further used to determine the fluctuation law according to the fluctuation state of the one or more groups of echo signals.

[0006] In an embodiment of this 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.

[0007] In one embodiment of the present application, the driving device further includes a pulse signal generator, which is connected to the ultrasonic transducer. The control device controls the pulse signal generator to emit pulse signals to drive the ultrasonic transducer and receive the echo signals through the pulse signal generator.

[0008] In one embodiment of the present application, within each of the gaps, the pulse signal generator emits multiple pulse signals to the ultrasonic transducer. The control device obtains multiple echo signals through the pulse signal generator and determines the fluctuation law based on the multiple echo signals.

[0009] In one embodiment of the present application, the driving device further includes a matcher, which is respectively connected to the ultrasonic transducer, the power source, and the pulse signal generator, and is used to adjust the load impedance to match the impedance of the power source and perform tuning at the operating frequency of the ultrasonic transducer.

[0010] In one embodiment of the present application, the driving device further includes a high-voltage disconnect switch, which is arranged between the power source and the pulse signal generator; when the power source drives the ultrasonic transducer, the high-voltage disconnect switch is used to disconnect the connection between the power source and the pulse signal generator.

[0011] In one embodiment of the present application, the control device includes a controller and a filter. The controller controls the filter to process the echo signals, and the filter performs filtering, noise reduction, and spectrum analysis processing on the echo signals.

[0012] In one embodiment of the present application, the control device further includes a memory, which is connected to the controller, and the memory is used to store the echo signals.

[0013] In one embodiment of the present application, the control device further includes an alarm, which is connected to the controller, and the controller controls the alarm to send out alarm information according to the fluctuation law.

[0014] In one embodiment of the present application, the control device is a slave computer, and the ultrasonic transducer is a focused ultrasonic transducer.

[0015] In a second aspect, an embodiment of the present application provides a control method for an ultrasonic detection system, and the method includes the following steps:

[0016] Control the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate the target tissue within the focal region.

[0017] During the interval between any two adjacent consecutive ultrasonic waves, control the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue, and control the ultrasonic transducer to receive one or more sets of echo signals.

[0018] Obtain one or more sets of the echo signals through the ultrasonic transducer, and determine the fluctuation law according to the fluctuation state of one or more sets of the echo signals.

[0019] The beneficial technical effects brought by the technical solution provided by the embodiments of the present application are:

[0020] In the embodiments of the present application, after each ablation of the target tissue by the ultrasonic transducer, the ultrasonic transducer is used to emit pulsed ultrasonic waves to detect the target tissue and the periphery of the target tissue, and an evaluation mechanism for monitoring the necrosis of the target tissue and the safety of the normal tissue is established according to the echo signal fluctuation law. According to these echo signal fluctuation laws, the state of the target tissue and the safety warning of the normal tissue are respectively realized, so as to provide direct technical support for the safety, efficiency and accuracy of the ultrasonic ablation surgery. Further, the embodiments of the present application utilize the reflection signal characteristics of the human tissue received by the ultrasonic transducer to realize the digital treatment of the ultrasonic ablation surgery, and thus can effectively improve the treatment efficiency and safety.

[0021] The additional aspects and advantages of the present application will be given in part in the following description, and these will become obvious from the following description, or will be understood through the practice of the present application. Description of the Drawings

[0022] The above and / or additional aspects and advantages of the present application will become obvious and easy to understand from the following description of the embodiments in conjunction with the drawings, where:

[0023] Figure 1 is a schematic structural diagram of an ultrasonic detection system provided by an embodiment of the present application;

[0024] Figure 2 is a schematic flow diagram of a control method of an ultrasonic detection system provided by an embodiment of the present application. Detailed Embodiments

[0025] The present application will be described in detail below. Examples of the embodiments of the present application are shown in the drawings, where the same or similar reference numerals represent the same or similar components or components with the same or similar functions throughout. In addition, if the detailed description of the known technology is unnecessary for showing the features of the present application, it will be omitted. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be construed as a limitation of the present application.

[0026] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as the general understanding of those of ordinary skill in the art to which this application belongs. It should also be understood that terms such as those defined in a general dictionary should be understood to have a meaning consistent with their meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless specifically defined as here.

[0027] The technical solutions of this application and how the technical solutions of this application solve the above technical problems will be described in detail below with specific embodiments.

[0028] An embodiment of this application provides an ultrasonic detection system for ultrasonic monitoring of human tissues. The structural schematic diagram of the ultrasonic detection system is as Figure 1 shown, including: an ultrasonic transducer 1, a driving device 2, and a control device 3; the ultrasonic transducer 1 is connected to the driving device 2, and the driving device 2 drives the ultrasonic transducer 1 to emit continuous ultrasonic waves multiple times to ablate the target tissue 10 in the focal region; and, within the gap between any one or more adjacent two continuous ultrasonic waves, the driving device 2 drives the ultrasonic transducer 1 to emit pulsed ultrasonic waves to the tissue and receives one or more groups of echo signals; the control device 3 is connected to the driving device 2 for controlling the ultrasonic transducer 1 to emit continuous ultrasonic waves and pulsed ultrasonic waves to the tissue; the controller is further configured to determine the fluctuation law according to the fluctuation state of one or more groups of echo signals.

[0029] As Figure 1As shown in the figure, the ultrasonic transducer 1 can be connected to the driving device 2 for ultrasonic monitoring of human tissues. The ultrasonic transducer 1 can adopt a focused ultrasonic transducer 1, which can be driven by the driving device 2 to emit continuous ultrasonic waves. The low-energy ultrasonic waves outside the human body pass through multiple layers of human tissues and are focused inside the human body to form a sound focal region with high-energy aggregation. Then, the focused sound energy is converted into heat energy to ablate the target tissue 10 in the focal region, that is, to perform ablation treatment on tumor tissues. After each ablation is completed, the control device 3 can control the driving device 2 to drive the ultrasonic transducer 1 to emit pulsed ultrasonic waves. The pulsed ultrasonic waves pass through multiple layers of human tissues and reach the focal region and the regions outside the focal region (including the front-field region and the back-field region of the focal region). Specifically, the pulsed ultrasonic waves can detect the tumor tissue and the normal tissue around the tumor tissue, and the reflected echo signals are superimposed and received after reaching the surface of the ultrasonic transducer 1, and can be sent 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 the necrosis state of the tumor tissue and the safety warning of the normal tissue based on these signal characteristics. Further, the ultrasonic transducer 1 can emit continuous ultrasonic waves multiple times, and within any one or more adjacent emission intervals, the ultrasonic transducer 1 can emit pulsed ultrasonic waves for detection.

[0030] In the embodiment of the present application, after the ultrasonic transducer 1 ablates the target tissue 10 each time, the ultrasonic transducer 1 emits pulsed ultrasonic waves to detect the target tissue 10 and the periphery of the target tissue 10, and an evaluation mechanism for monitoring the necrosis of the target tissue 10 and the safety of the normal tissue is established according to the fluctuation law of the echo signals. The state of the target tissue 10 and the safety warning of the normal tissue are respectively realized based on these echo signal fluctuation laws, thereby providing direct technical support for the safety, efficiency, and accuracy of the ultrasonic ablation surgery. Further, the embodiment of the present application utilizes the reflection signal characteristics of the human tissues received by the ultrasonic transducer 1 to realize the digital treatment of the ultrasonic ablation surgery, and thus can effectively improve the treatment efficiency and safety.

[0031] In an embodiment of the present application, as Figure 1 shown, 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 can adopt a high-power power supply, but the embodiment of the present application does not limit this. Specifically, the power source 21 can be electrically connected to the ultrasonic transducer 1, and can adopt a control connection with the control device 3. In actual application, the control device 3 can control the power source 21 to send a continuous wave signal, and the continuous wave signal drives the ultrasonic transducer 1 to send continuous ultrasonic waves to the target tissue 10, thereby realizing the ablation of the target tissue 10.

[0032] Optionally, both the driving device 2 and the control device 3 can be separate devices, and they can be connected by wires. However, the embodiments of the present application are not limited thereto, and the control device 3 can also be integrated with the driving device 2 into an integrated device. Therefore, the embodiments of the present application do not limit this, and those skilled in the art can adjust the settings according to the actual situation.

[0033] In an embodiment of the present application, as Figure 1 shown, the driving device 2 further includes a pulse signal generator 22. The pulse signal generator 22 is connected to the ultrasonic transducer 1. 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 part and an oscilloscope part. The signal generating part is connected to the ultrasonic transducer 1. The signal generating part can emit a pulse signal to the ultrasonic transducer 1. The pulse signal can drive the ultrasonic transducer 1 to emit pulsed ultrasonic waves. The pulsed ultrasonic waves reach the target tissue 10 and its surrounding areas after passing through the complex tissues of the human body, and the returned echo signal is received by the ultrasonic transducer 1. The ultrasonic transducer 1 can send the received echo signal to the oscilloscope part for display. The oscilloscope part can specifically be a digital oscilloscope. In actual application, the operator can determine the fluctuation law of the echo signal according to the value displayed by the oscilloscope part, and then confirm the state of the target tissue 10 and the periphery of the target tissue 10. With the above design, by connecting the pulse signal generator 22 to the ultrasonic transducer 1, the ultrasonic transducer 1 can perform detection on the target tissue 10 and the periphery of the target tissue 10 during the ablation of the target tissue 10, thereby ensuring the safety of the ultrasonic ablation surgery and improving the efficiency.

[0034] It should be noted that the embodiments of the present application do not limit the specific implementation manner of the pulse signal generator 22. For example, the pulse signal transmitter may only include a signal generating part, 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 the actual situation.

[0035] In an embodiment of the present application, with reference to Figure 1As shown, within each gap, the pulse signal generator 22 emits multiple pulse signals to the ultrasonic transducer 1. The control device 3 acquires multiple echo signals through the pulse signal generator 22 and determines the fluctuation pattern based on the multiple echo signals. Specifically, since the ultrasonic transducer 1 needs to send continuous ultrasonic waves to the target tissue 10 multiple times, after each ablation of the target tissue 10 by the continuous ultrasonic waves, the ultrasonic transducer 1 needs to emit pulsed ultrasonic waves to the target tissue 10 and its periphery for detection, thereby enabling real-time monitoring to ensure the safety of the ultrasonic ablation surgery. During actual operation, within each gap, the pulse signal generator 22 can emit one or more groups of pulse signals to the ultrasonic transducer 1, and each group of pulse signals can include multiple pulse signals, so that the ultrasonic transducer 1 emits one group or multiple groups of pulsed ultrasonic waves. The control device 3 can receive one group or multiple groups of echo signals through the pulse signal generator 22, and can determine its fluctuation pattern based on the multiple echo signals within one group, or can determine the fluctuation pattern based on multiple groups of echo signals. This can not only greatly improve the accuracy and safety of detection, but also provide data reference for the next emission of continuous ultrasonic waves, thereby further improving the efficiency and safety of the ultrasonic ablation surgery. 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.

[0036] In an embodiment of the present application, as Figure 1 shown, the driving device 2 further includes a matcher 23. The matcher 23 is respectively connected to the ultrasonic transducer 1, the power source 21, and the pulse signal generator 22, and is used to adjust the load impedance to match the impedance of the power source 21 and perform tuning at the operating frequency of the ultrasonic transducer 1. The matcher 23 can be directly integrated inside the driving device 2, and both the power source 21 and the pulse signal generator 22 can be connected to the ultrasonic transducer 1 through the matcher 23. The matcher 23 can 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 perform tuning at the operating frequency of the ultrasonic transducer 1. With the above design, not only can the structure of the embodiments of the present application be simple, but also the safety and stability of the embodiments of the present application can be effectively improved, thereby further improving the safety of the ultrasonic ablation surgery.

[0037] It should be noted that the embodiments of the present application do not limit the specific implementation manner of the matcher 23. For example, the matcher 23 can also be designed separately from the driving device 2 and connected by wires; 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 the actual situation.

[0038] In an embodiment of the present application, as Figure 1As shown, the driving device 2 further includes a high-voltage disconnect switch 24, which is disposed between the power source 21 and the pulse signaler 22; when the power source 21 drives the ultrasonic transducer 1, the high-voltage disconnect switch 24 is used to disconnect the connection between the power source 21 and the pulse signaler 22. Both ends of the high-voltage disconnect switch 24 can be respectively connected to the power and the pulse signaler 22, and it can be used to disconnect the connection between the power source 21 and the pulse signaler 22 when the power source 21 drives the ultrasonic transducer 1. Specifically, the pulse signaler 22 can send a pulse signal under the control of the control device 3. The pulse signal can pass through the high-voltage disconnect switch 24, and then drive the ultrasonic transducer 1 to send pulsed ultrasonic waves after passing through the matcher 23; while 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 disconnect switch 24 to prevent the continuous wave signal from interfering with the pulse signaler 22, and the continuous wave signal can directly drive the ultrasonic transducer 1 to send continuous ultrasonic waves after being matched by the matcher 23. With the above design, it can be ensured that in the embodiment of the present application, when sending a continuous ultrasonic wave signal, interference to the pulse signaler 22 can be avoided, thereby improving the safety and accuracy of the present application implementation.

[0039] It should be noted that the embodiment of the present application does not limit the specific implementation manner of the high-voltage disconnect switch, as long as it can isolate the connection between the power source 21 and the pulse signaler 22. Therefore, the embodiment of the present application is not limited thereto, and those skilled in the art can adjust the setting according to the actual situation.

[0040] 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 includes a memory, which is connected to the controller and is used to store the echo signal. Optionally, the control device 3 further includes an alarm, which is connected to the controller, and the controller controls the alarm to send an alarm message according to the fluctuation law.

[0041] As Figure 1As shown in the figure, the control device 3 can specifically be a host computer, and the driving device 2 and the ultrasonic transducer 1 can be integrated into one device. The control device 3 can be connected to the device through a data cable for control connection. An operator can control the driving device 2 and the ultrasonic transducer 1 on the control device 3. However, it should be noted that the type of the control device 3 in the embodiments of the present application is not limited, and those skilled in the art can adjust and set it according to the actual situation. The filter can be the echo processing software or hardware of the control device 3. After filtering, noise reduction, and spectrum analysis processing of the received echo signal, the controller can sequentially store the processed echo signal in the memory. The controller can analyze the echo signal, and when the fluctuation law of the echo signal changes, the controller can control the alarm to give an alarm. The alarm can specifically also be the software or hardware built in the control device 3. For example, the alarm can be the text and graphic information displayed on the display of the control device 3, and can also be other alarm information such as sound, light, and electricity. With the above design, not only can the digital treatment and digital monitoring of the ultrasonic ablation surgery be realized, but also the application and maintenance costs of the embodiments of the present application can be effectively reduced, and further the training time and cost of the operator can be reduced.

[0042] Based on the same inventive concept, an embodiment of the present application provides a control method for an ultrasonic detection system. The schematic flow chart of the method is as Figure 2 shown, and the method includes:

[0043] S201: Control the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate the target tissue in the focal region.

[0044] For example, when starting to perform ultrasonic ablation on the target tissue in the human body, the control device can control the ultrasonic transducer to emit continuous ultrasonic waves multiple times, so as to ablate the target tissue in the focal region by ultrasonic waves. Specifically, the controller in the control device can control the power source to emit continuous wave signals multiple times. After the continuous wave signals are matched by the matcher, the ultrasonic transducer is driven to send continuous ultrasonic waves, and the continuous ultrasonic waves can ablate the target tissue in the focal region.

[0045] S202: During the gap between any one or more adjacent two continuous ultrasonic waves, control the ultrasonic transducer to emit pulsed ultrasonic waves to the tissue and control the ultrasonic transducer to receive one or more groups of echo signals.

[0046] For example, when the ultrasonic transducer has not yet emitted continuous ultrasonic waves, or during the interval between two consecutive emissions of ultrasonic waves by the ultrasonic transducer, the controller of the control device can control the pulse signal generator of the driving device to emit one or more groups of pulse signals. The pulse signals can drive the ultrasonic transducer to emit pulsed ultrasonic waves towards the tissue for detecting the target tissue and the periphery of the target tissue. After the pulsed ultrasonic waves reach the tissue, echo signals are returned, and the echo signals can be superimposed and received by the surface of the ultrasonic transducer. It should be noted that the number of pulse signals in each group is not limited. Each group of pulse signals can be either one or more than one. Therefore, the number of pulse signals in the embodiments of the present application is not limited, and those skilled in the art can adjust and set it according to the actual situation.

[0047] S203: Obtain one or more groups of echo signals through the ultrasonic transducer, and determine the fluctuation law according to the fluctuation state of the one or more groups of echo signals.

[0048] For example, the controller of the control device can control the pulse signal generator to receive one or more groups of echo signals sent by the ultrasonic transducer, and the control device can determine the fluctuation law according to the fluctuation state of the one or more groups of echo signals. The control device can also establish a monitoring and evaluation mechanism for the necrosis of the target tissue and the safety of the periphery of the target tissue according to the fluctuation law, thereby realizing the real-time monitoring of the necrosis state of the target tissue and the real-time monitoring of the safety of the periphery of the target tissue, and further effectively improving the safety and accuracy of the ultrasonic ablation surgery. In addition, it can also make the ultrasonic ablation surgery digital and effectively reduce the application and use costs.

[0049] Applying the embodiments of the present application can at least achieve the following beneficial effects:

[0050] In the embodiments of the present application, after each ablation of the target tissue by the ultrasonic transducer, the ultrasonic transducer is used to emit pulsed ultrasonic waves to detect the target tissue and the periphery of the target tissue, and a monitoring and evaluation mechanism for the necrosis of the target tissue and the safety of the normal tissue is established according to the echo signal fluctuation law. According to these echo signal fluctuation laws, early warnings of the target tissue state and the safety of the normal tissue are respectively realized, thereby providing direct technical support for the safety, efficiency, and accuracy of the ultrasonic ablation surgery. Further, the embodiments of the present application utilize the reflection signal characteristics of the human tissue received by the ultrasonic transducer to realize the digital treatment of the ultrasonic ablation surgery, and further can effectively improve the treatment efficiency and safety.

[0051] It can be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principle of the present invention, and the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also regarded as the protection scope of the present invention.

[0052] Those skilled in the art of the present technology can understand that the steps, measures, and solutions in the various operations, methods, and processes discussed in the present application can be alternated, changed, combined, or deleted. Further, the other steps, measures, and solutions in the various operations, methods, and processes discussed in the present application can also be alternated, changed, rearranged, decomposed, combined, or deleted. Further, the steps, measures, and solutions in the prior art that are the same as those disclosed in the various operations, methods, and processes in the present application can also be alternated, changed, rearranged, decomposed, combined, or deleted.

[0053] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0054] In the description of this specification, the specific features, structures, materials, or characteristics can be combined in a suitable manner in any one or more embodiments or examples.

[0055] It should be understood that although the steps in the flowchart of the accompanying drawings are shown in sequence according to the indication of the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless there is a clear indication in this article, the execution of these steps has no strict order limit, and they can be executed in other orders. Moreover, at least a part of the steps in the flowchart of the accompanying drawings can include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same moment, but can be executed at different moments, and their execution order is not necessarily sequential, but can be executed alternately or in turn with at least a part of the other steps or sub-steps or stages of the other steps.

[0056] The above are only some embodiments of the present application. It should be pointed out that for those of ordinary skill in the art of the present technology, without departing from the principle of the present application, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. An ultrasonic detection system for ultrasonically monitoring human tissues, characterized in that, Comprising: An ultrasonic transducer, a driving device, and a control device; The ultrasonic transducer is connected to the driving device, and the driving device drives the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate the target tissue in the focal region; and, within the gap between any one or more adjacent two continuous ultrasonic waves, the driving device drives the ultrasonic transducer to emit pulsed ultrasonic waves to the focal region and the region outside the focal region, and receives one or more groups of echo signals; wherein, the region outside the focal region includes the front-field region and the back-field region of the focal region; The control device is connected to the driving device and is used to control the ultrasonic transducer to emit continuous ultrasonic waves and pulsed ultrasonic waves to the target tissue; the control device further includes an alarm, a controller, and a pulse signal generator, the controller is used to control the pulse signal generator to receive one or more groups of echo signals sent by the ultrasonic transducer, and the control device is used to determine the fluctuation law according to the fluctuation state of the one or more groups of echo signals; The alarm is connected to the controller, and the controller controls the alarm to send out alarm information according to the fluctuation law.

2. The ultrasonic detection system according to claim 1, wherein 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.

3. The ultrasonic detection system according to claim 2, characterized in that, 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 according to claim 3, characterized in that, Within each of the gaps, the pulse signal generator emits a plurality of pulse signals to the ultrasonic transducer.

5. The ultrasonic detection system according to claim 3, characterized in that, The driving device further includes a matcher, the matcher is respectively connected to the ultrasonic transducer, the power source, and the pulse signal generator, and is used to adjust the load impedance to match the impedance of the power source and perform tuning at the operating frequency of the ultrasonic transducer.

6. The ultrasonic detection system according to claim 5, characterized in that, The driving device further includes a high-voltage disconnector, and the high-voltage disconnector is arranged between the power source and the pulse signal generator; when the power source drives the ultrasonic transducer, the high-voltage disconnector is used to disconnect the connection between the power source and the pulse signal generator.

7. The ultrasonic detection system according to claim 1, wherein The control device includes a filter, the controller controls the filter to process the echo signal, and the filter performs filtering, noise reduction, and spectrum analysis processing on the echo signal.

8. The ultrasonic detection system according to claim 7, characterized in that, The control device further includes a memory, the memory is connected to the controller, and the memory is used to store the echo signal.

9. The ultrasonic detection system according to any one of claims 1 to 8, characterized in that, The control device is a lower computer, and the ultrasonic transducer is a focused ultrasonic transducer.

10. A control method for an ultrasonic detection system, characterized in that, According to the ultrasonic detection system according to any one of claims 1 to 9, the control method includes: Controlling the ultrasonic transducer to emit continuous ultrasonic waves multiple times to ablate the target tissue in the focal region; Within the gap between any one or more adjacent two 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; Obtaining one or more groups of the echo signals through the ultrasonic transducer and determining the fluctuation law according to the fluctuation state of the one or more groups of echo signals.

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