A method for adjusting ultrasonic imaging range and related equipment

Abstract

The present application discloses a method for adjusting the ultrasonic imaging range and related equipment, which are used to solve the problem of time-consuming operation caused by manually adjusting the ultrasonic imaging range. The method is applied to ultrasonic equipment, and the method includes: using a first imaging mode to transmit a first ultrasonic wave to a target body, and receiving a first ultrasonic echo returned from the target body; determining a first ultrasonic image of the target body according to the first ultrasonic echo; displaying the first ultrasonic image; obtaining a sampling mark on the first ultrasonic image, wherein the sampling mark is used to identify an area of ​​interest on the first ultrasonic image; determining the position information of the sampling mark on the first ultrasonic image; judging whether the sampling mark exceeds the imaging range of the first ultrasonic image according to the position information; if so, adjusting the imaging range so that the sampling mark is within the imaging range.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a method for adjusting an ultrasonic imaging range and related equipment. Background Art

[0002] In multi-mode ultrasound examinations, the B-mode imaging range is often exceeded. For example, when examining fetal heart blood flow, the heart moves out of the B-mode imaging range due to fetal movement. Therefore, in order to fully display the target structure, the B-mode imaging range needs to be adjusted. The existing operation method is: switch to the B-mode interface from the multi-mode interface, and manually adjust the B-mode imaging range with buttons, knobs, and trackballs. It can be seen that this process requires switching between multiple modes, and the operation is time-consuming. Summary of the invention

[0003] The present application provides a method for adjusting an ultrasonic imaging range and related equipment, which automatically adjusts the ultrasonic imaging range without switching between multiple modes, and is simple and convenient to operate.

[0004] A first aspect of the present application provides a method for adjusting an ultrasonic imaging range, the method being applied to an ultrasonic device, the method comprising:

[0005] Transmitting a first ultrasonic wave to a target object using a first imaging mode, and receiving a first ultrasonic echo returned from the target object;

[0006] determining a first ultrasonic image of the target object according to the first ultrasonic echo;

[0007] displaying the first ultrasound image;

[0008] Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest on the first ultrasound image;

[0009] Determining position information of the sampling mark on the first ultrasound image;

[0010] determining, according to the position information, whether the sampling mark exceeds an imaging range of the first ultrasound image;

[0011] If yes, the imaging range is adjusted so that the sampling mark is within the imaging range.

[0012] A second aspect of the present application provides a method for adjusting an ultrasonic imaging method, which is applied to an ultrasonic device, and includes:

[0013] Acquiring an imaging range of a first ultrasonic image, wherein the first ultrasonic image is determined using a first imaging mode;

[0014] Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest in the first ultrasound image;

[0015] If the sampling mark exceeds the boundary of the imaging range, the imaging range is adjusted so that the sampling mark is within the imaging range.

[0016] A third aspect of the present application provides an ultrasonic device, the ultrasonic device comprising:

[0017] Ultrasound probe;

[0018] A transmit / receive sequence controller, the transmit / receive sequence controller is used to stimulate the ultrasonic probe to transmit a first ultrasonic wave to a target body using a first imaging mode, and receive a first ultrasonic echo returned by the target body;

[0019] a processor, the processor being configured to determine a first ultrasonic image of the target object according to the first ultrasonic echo;

[0020] a display, wherein the display is used to display the first ultrasound image;

[0021] The processor is further configured to obtain a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest on the first ultrasound image; determine position information of the sampling mark on the first ultrasound image; determine whether the sampling mark exceeds an imaging range of the first ultrasound image according to the position information; and if so, adjust the imaging range so that the sampling mark is within the imaging range.

[0022] The fourth aspect of the present application provides an ultrasound device, which includes: a processor, a memory and a bus, the processor and the memory are connected through the bus, the memory stores computer instructions, and the processor executes the computer instructions to implement the method described in the second aspect or any one of the implementation methods of the second aspect.

[0023] The fifth aspect of the present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method described in the first aspect or any one of the implementations of the first aspect, or the second aspect or any one of the implementations of the second aspect.

[0024] In the present application, the ultrasonic device uses a first imaging mode to transmit a first ultrasonic wave to a target body, and receives a first ultrasonic echo returned by the target body, determines a first ultrasonic image of the target body according to the first ultrasonic echo, and then displays the first ultrasonic image. Further, a sampling mark on the first ultrasonic image is obtained, wherein the sampling mark is used to identify a region of interest on the first ultrasonic image, and the position information of the sampling mark on the first ultrasonic image is determined. According to the position information, it is determined whether the sampling mark exceeds the imaging range of the first ultrasonic image. If so, the imaging range is automatically adjusted so that the sampling mark is within the imaging range. It can be seen that the entire adjustment process is fully automated, reducing the involvement of personnel, and the operation process is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of an ultrasonic device in an embodiment of the present application;

[0026] Figure 2 A schematic diagram of an embodiment of a method for adjusting an ultrasonic imaging range in an embodiment of the present application;

[0027] Figure 3 Another structural schematic diagram of the ultrasonic device in the embodiment of the present application;

[0028] Figure 4 This is a schematic diagram of another embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0029] Figure 5 This is a schematic diagram of an application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0030] Figure 6 This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0031] Figure 7 This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0032] Figure 8 This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0033] Fig. 9 This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0034] Fig.10 This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application;

[0035] Fig.11This is a schematic diagram of another application scenario embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0037] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] Figure 1 1 is a schematic diagram of the structure of the ultrasonic device in the embodiment of the present application. The ultrasonic device 10 may include an ultrasonic probe 100, a transmit / receive selection switch 101, a transmit / receive sequence controller 102, a processor 103 and a display 104. The transmit / receive sequence controller 102 can excite the ultrasonic probe 100 to transmit ultrasonic waves to the target body, and can also control the ultrasonic probe 100 to receive ultrasonic echoes returned from the target body, thereby obtaining ultrasonic echo signals / data. The processor 103 processes the ultrasonic echo signals / data to obtain tissue-related parameters and ultrasonic images of the target area. The ultrasonic image obtained by the processor 103 can be stored in the memory 105 or displayed on the display 104.

[0039] In the embodiment of the present application, the display 104 of the aforementioned ultrasound device 10 may be a touch screen, a liquid crystal display, etc., or it may be an independent display device such as a liquid crystal display, a television, etc. that is independent of the ultrasound device 10, or it may be a display screen on electronic devices such as mobile phones and tablet computers.

[0040] In the embodiment of the present application, the memory 105 of the aforementioned ultrasound device 10 may be a flash memory card, a solid-state memory, a hard disk, etc.

[0041] An embodiment of the present application also provides a computer-readable storage medium, which stores multiple program instructions. After the multiple program instructions are called and executed by the processor 103, some or all of the steps or any combination of the steps in the method for adjusting the ultrasound imaging range in the following embodiments of the present application can be executed.

[0042] In one embodiment, the computer-readable storage medium may be the memory 105, which may be a non-volatile storage medium such as a flash memory card, a solid-state memory, or a hard disk.

[0043] In the embodiment of the present application, the processor 103 of the aforementioned ultrasound device 10 can be implemented by software, hardware, firmware or a combination thereof, and can use circuits, single or multiple application specific integrated circuits (ASICs), single or multiple general integrated circuits, single or multiple microprocessors, single or multiple programmable logic devices, or a combination of the aforementioned circuits or devices, or other suitable circuits or devices, so that the processor 103 can execute the corresponding steps of the method for adjusting the ultrasound imaging range in the following embodiments.

[0044] The following is a detailed description of the method for adjusting the ultrasonic imaging range in the present application. The method for adjusting the ultrasonic imaging range is applied to an ultrasonic device 10, and the ultrasonic device 10 is not limited to a portable ultrasonic device or a desktop ultrasonic device. It can be any ultrasonic device used for ultrasonic imaging, wherein the ultrasonic imaging can be grayscale B ultrasonic imaging, color blood flow C ultrasonic imaging, Doppler D ultrasonic imaging, elastic imaging, vector blood flow imaging, etc. The process of adjusting the ultrasonic imaging range is as follows: the ultrasonic device 10 transmits a first ultrasonic wave to a target body using a first imaging mode, receives a first ultrasonic echo returned from the target body, determines a first ultrasonic image of the target body based on the first ultrasonic echo, and further displays the first ultrasonic image. Then, a sampling mark on the first ultrasonic image is obtained, wherein the sampling mark is used to identify a region of interest on the first ultrasonic image, further determines the position information of the sampling mark on the first ultrasonic image, and determines whether the sampling mark exceeds the imaging range of the first ultrasonic image based on the position information. If so, the imaging range is adjusted so that the sampling mark is within the imaging range, and then other imaging is further performed on the sampling mark area. Please refer to Figure 2 , is a schematic diagram of an embodiment of a method for adjusting the ultrasonic imaging range in an embodiment of the present application, and the specific process of the method for adjusting the ultrasonic imaging range is as follows:

[0045] Step 201: emitting a first ultrasonic wave to a target object by using a first imaging mode, and receiving a first ultrasonic echo returned from the target object.

[0046] Step 202: Determine a first ultrasonic image of the target object according to the first ultrasonic echo.

[0047] In the embodiment of the present application, the ultrasound device 10 uses the first imaging mode to transmit the first ultrasonic wave to the target body, and receives the first ultrasonic echo returned from the target body, and processes the first ultrasonic echo to obtain the first ultrasonic image of the target body, wherein the target body can be any tissue organ of a human body or an animal, for example, a fetal heart, a blood vessel, etc., which is not specifically limited here. The first imaging mode can be a B imaging mode, and the specific process can be: setting the B imaging mode on the ultrasound host, activating the ultrasound probe, and using the ultrasound probe to transmit the first ultrasonic wave to the target body, and receiving the first ultrasonic echo returned from the target body to obtain the first ultrasonic echo signal, and then processing the first ultrasonic echo signal through the processor to obtain the B image of the target body, wherein the B image has a certain imaging range, which can be a fan-shaped area.

[0048] Step 203: Display the first ultrasound image.

[0049] Step 204: Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest on the first ultrasound image.

[0050] In the embodiment of the present application, after the ultrasound device 10 determines the first ultrasound image, it further displays the first ultrasound image through the display so that the doctor can see the first ultrasound image of the target body in time and further determine the sampling mark on the first ultrasound image. Among them, the sampling mark can be manually input by the user or automatically determined by the ultrasound device. Since the sampling mark is used to identify the region of interest on the first ultrasound image, wherein the region of interest can be the region corresponding to the tissue organ. The sampling mark can be a blood flow frame in the C imaging mode, or a sampling gate in the D imaging mode, etc., which is not specifically limited here. Taking the sampling mark as a blood flow frame as an example, when the first ultrasound image is displayed on the interface, the doctor determines the blood flow frame by means of a trackball or a mouse, wherein the blood flow frame surrounds all target tissues, which can be specifically determined according to the doctor's manual operation. Of course, the ultrasound device can also identify the target tissue by automatic tracking, and then surround the target tissue with a blood flow frame, which is not specifically limited here.

[0051] Step 205: Determine the position information of the sampling mark on the first ultrasound image.

[0052] Step 206: Determine whether the sampling mark exceeds the imaging range of the first ultrasound image according to the position information.

[0053] In the embodiment of the present application, since the sampling mark is covered on the first ultrasound image, the doctor can intuitively see the position information of the sampling mark on the first ultrasound image, and judge whether the sampling mark exceeds the imaging range of the first ultrasound image based on the position information. If it exceeds, manual adjustment of the ultrasound imaging range will cause various inconveniences. For the ultrasound device, the ultrasound device can automatically obtain the position information of the sampling mark on the first ultrasound image according to the tracking and identification method. For example, the ultrasound device receives the user's input operation and determines the position information of the sampling mark according to the input operation. For another example, the ultrasound device tracks and identifies the movement state of the target tissue, and automatically determines the sampling mark according to the position information of the target tissue. Further, the ultrasound device judges whether the sampling mark exceeds the imaging range of the first ultrasound image based on the position information of the sampling mark, wherein the imaging range of the first ultrasound imaging is the entire image area of ​​the first ultrasound image. Generally speaking, for the B image, the imaging range is the entire fan-shaped area. Of course, the ultrasound device can also learn whether the sampling mark exceeds the imaging range through the user's input operation. For example, if the sampling mark exceeds the imaging range, a prompt instruction is input to the ultrasound device to prompt the ultrasound device to automatically adjust the imaging range. Of course, specific position information can also be input in the prompt instruction, for example, the sampling mark is beyond the lateral boundary of the imaging range, or the longitudinal boundary, etc., which is not specifically limited here. If the sampling mark exceeds the imaging range, step 207 is executed. If the sampling mark does not exceed the imaging range, other processes can be further performed in the sampling mark area, which is not limited here. For example, the sampling mark is a blood flow box. If the blood flow box does not exceed the imaging range, C ultrasound imaging is further performed in the blood flow box to obtain a C image of the target tissue.

[0054] Step 207: Adjust the imaging range so that the sampling mark is within the imaging range.

[0055] In an embodiment of the present application, if the sampling mark exceeds the imaging range of the first ultrasonic image, the ultrasonic device automatically adjusts the imaging range so that after the sampling mark is within the imaging range, other processes are further performed. For example, based on the first ultrasonic image, a second ultrasonic wave is emitted to the target body using a second imaging mode, and a first ultrasonic echo returned from the target body is received, and a second ultrasonic image corresponding to the region of interest is determined according to the second ultrasonic echo, and the second ultrasonic image is displayed, wherein the second ultrasonic image can be superimposed on the first ultrasonic image for display, or the second ultrasonic image and the first ultrasonic image can be displayed side by side in different areas of the same interface. Among them, the second imaging mode can be a C imaging mode, or a D imaging mode, or vector blood flow imaging, elastic imaging, etc., which are not specifically limited here. Taking the second imaging mode as the C imaging mode and the first imaging mode as the B imaging mode as an example, the C image obtained using the second imaging mode is directly fused and displayed with the B image obtained using the B imaging mode, wherein the C image is displayed in a form that is obviously different from the B image in terms of brightness, contrast, grayscale, etc.

[0056] There are many ways to adjust the imaging range. The ultrasound imaging range includes the lateral boundary and the longitudinal boundary. The following examples illustrate several possible implementation methods:

[0057] In a possible implementation, if the sampling mark exceeds a lateral boundary of the imaging range and the angle of the imaging range does not reach a maximum preset angle of the imaging range, the angle of the imaging range is increased to make the sampling mark within the imaging range.

[0058] In a possible implementation, if the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range reaches the maximum preset angle of the imaging range, extended imaging is started to make the sampling mark within the imaging range, wherein the imaging range is expanded by adjusting the scanning deflection angle during the extended imaging.

[0059] Before the first imaging mode is performed, a maximum preset angle is generally set for the first imaging mode, that is, the imaging range of the obtained first ultrasonic image is within the maximum preset angle range. If the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range does not reach the maximum preset angle, the angle of the imaging range is increased in a preset manner until the sampling mark is within the imaging range, wherein the preset manner may be to increase the angle in sequence according to a fixed value, or to increase the angle in sequence according to a fixed ratio, or to increase in other ways, etc., which are not specifically limited here. For example, if the sampling mark is still not within the imaging range after the first increase of 5°C, the angle is increased by 5°C, and so on. For another example, the angle is increased by 2% of the current angle, and so on. If the sampling mark is still not within the imaging range after the angle of the imaging range is increased to the maximum preset angle, the extended imaging is started, wherein the extended imaging is to expand the imaging range by adjusting the scanning deflection angle, that is, on the basis of the maximum preset angle of the imaging range, the angle of the imaging range is further increased until the sampling mark is within the imaging range. If the sampling mark exceeds the lateral boundary of the imaging range, and the angle of the imaging range reaches the maximum preset angle of the imaging range, the extended imaging is directly started until the sampling mark is within the imaging range. It can be seen that according to whether the sampling mark exceeds the lateral boundary of the imaging range, the corresponding imaging parameters are selected, and the target body is re-scanned using the new imaging parameters to obtain a new first ultrasonic image, and the first ultrasonic image is updated in real time until the sampling mark is within the imaging range of the new first ultrasonic image, and the re-scanning is stopped.

[0060] In a possible implementation, if the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is within the imaging range. The depth of the imaging range may be increased in a preset manner, which may be a fixed value length increase, a fixed ratio length increase, or other methods, which are not specifically limited here. For example, the depth is increased by 1 cm in sequence. If the sampling mark is still not within the imaging range after the first increase of 1 cm, the depth is continued to be increased by 1 cm until the sampling mark is within the imaging range.

[0061] Among them, when the depth of the imaging range is increased, the clarity of the first ultrasonic image may be reduced accordingly. Therefore, in order to increase the image penetration of the first ultrasonic image and make the first ultrasonic image appear clearer, the signal-to-noise ratio of the first ultrasonic image is adjusted. The specific process is: the ultrasonic device obtains the signal-to-noise ratio of the third ultrasonic image, wherein the third ultrasonic image is an ultrasonic image obtained by scanning after increasing the depth of the imaging range based on the imaging range of the first ultrasonic image. If the signal-to-noise ratio is less than a preset threshold, the transmission frequency of the first imaging mode is reduced so that the signal-to-noise ratio is not less than the preset threshold, thereby improving the clarity of the third ultrasonic image. It can be seen that according to whether the sampling mark exceeds the longitudinal boundary of the imaging range, the corresponding imaging parameters are selected, for example, the depth is increased in a preset manner, and the target body is re-scanned with the new imaging parameters with the increased depth to obtain a new first ultrasonic image, and the first ultrasonic image is updated in real time until the sampling mark is within the imaging range of the new first ultrasonic image. At this time, if the signal-to-noise ratio of the finally updated first ultrasound image is less than a preset threshold, where the preset threshold can be determined according to actual needs, the transmission frequency of the first imaging mode is reduced and the target body is scanned again until the signal-to-noise ratio of the new first ultrasound image is not less than the preset threshold.

[0062] It should be noted that if the sampling mark exceeds both the lateral and longitudinal boundaries of the imaging range, the imaging range can be adjusted longitudinally and laterally or transversely and longitudinally. Of course, both lateral and longitudinal adjustments can also be performed simultaneously, which is not specifically limited here.

[0063] In an embodiment of the present application, after the ultrasound device automatically adjusts the imaging range, the focal position of the first imaging mode can also be adjusted to the center position of the sampling mark according to the position information of the sampling mark, and the first imaging mode can be transmitted and received according to the adjusted focal position, and the first ultrasound image can be updated in real time.

[0064] Figure 3 2 is another structural diagram of an ultrasound device in an embodiment of the present application. The ultrasound device 20 may include a processor 210, a memory 220, and a display 230. The processor 210 may process the acquired ultrasound echo signal to obtain an ultrasound image of the target body. The ultrasound image obtained by the processor 210 may be stored in the memory 220 or displayed on the display 230.

[0065] In the embodiment of the present application, the display 230 of the ultrasound device 20 may be a touch screen, a liquid crystal display, etc., or it may be an independent display device such as a liquid crystal display, a television, etc. independent of the ultrasound device 20, or it may be a display screen on electronic devices such as mobile phones and tablet computers.

[0066] In the embodiment of the present application, the memory 220 of the aforementioned ultrasound device 20 may be a flash memory card, a solid-state memory, a hard disk, etc.

[0067] An embodiment of the present application also provides a computer-readable storage medium, which stores multiple program instructions. After the multiple program instructions are called and executed by the processor 210, some or all of the steps or any combination of the steps in the method for adjusting the ultrasound imaging range in the following embodiments of the present application can be executed.

[0068] In one embodiment, the computer-readable storage medium may be the memory 220, which may be a non-volatile storage medium such as a flash memory card, a solid-state memory, or a hard disk.

[0069] In the embodiment of the present application, the processor 210 of the aforementioned ultrasound device 20 can be implemented by software, hardware, firmware or a combination thereof, and can use circuits, single or multiple application specific integrated circuits (ASICs), single or multiple general-purpose integrated circuits, single or multiple microprocessors, single or multiple programmable logic devices, or a combination of the aforementioned circuits or devices, or other suitable circuits or devices, so that the processor 210 can execute the corresponding steps of the method for adjusting the ultrasound imaging range in the following embodiments.

[0070] The following is a detailed description of the method for adjusting the ultrasonic imaging range in the present application. The method for adjusting the ultrasonic imaging range is applied to an ultrasonic device 20, and the ultrasonic device 20 is not limited to a portable ultrasonic device or a desktop ultrasonic device. It can be any ultrasonic device used for ultrasonic imaging, wherein the ultrasonic imaging can be grayscale B ultrasonic imaging, color blood flow C ultrasonic imaging, Doppler D ultrasonic imaging, elastic imaging, vector blood flow imaging, etc. The process of adjusting the ultrasonic imaging range is as follows: the ultrasonic device 20 acquires an imaging range of a first ultrasonic image, wherein the first ultrasonic image is determined using a first imaging mode, and further acquires a sampling mark on the first ultrasonic image, wherein the sampling mark is used to identify a region of interest in the first ultrasonic image, and if the sampling mark exceeds the boundary of the imaging range, the imaging range is automatically adjusted so that the sampling mark is within the imaging range. Furthermore, other imaging can also be performed on the sampling mark area. Please refer to Figure 4 , is a schematic diagram of another embodiment of the method for adjusting the ultrasonic imaging range in the embodiment of the present application, and the specific process of the method for adjusting the ultrasonic imaging range is as follows:

[0071] Step 401: Acquire an imaging range of a first ultrasonic image, wherein the first ultrasonic image is determined using a first imaging mode.

[0072] In the embodiment of the present application, the ultrasound device 20 may acquire the first ultrasound image by performing ultrasound imaging by itself, or may acquire the first ultrasound image by other devices. For example, a first imaging mode is set on the ultrasound device, wherein the first imaging mode may be a B imaging mode, and an ultrasound probe is used to transmit a first ultrasound wave to a target body, and a first ultrasound echo returned from the target body is received to obtain a first ultrasound echo signal, and the first ultrasound echo signal is processed into the first ultrasound image. The first ultrasound image may be a B image, and the B image has a certain imaging range, which may be a fan-shaped area.

[0073] Step 402: Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest in the first ultrasound image.

[0074] In the embodiment of the present application, the ultrasound device 20 may determine the sampling mark through the user's input operation, or may determine the sampling mark by tracking the motion state of the target tissue. The sampling mark is used to identify the region of interest of the first ultrasound image, for example, the target tissue region. In a possible implementation, the ultrasound device receives a sampling mark instruction for the first ultrasound image, and determines the sampling mark according to the sampling mark instruction. For example, the doctor inputs the sampling mark instruction on the target tissue region of the first ultrasound image by rolling the trackball, and the ultrasound device determines the sampling mark according to the sampling mark instruction. Taking the sampling mark as a blood flow frame as an example, the target tissue is surrounded by the blood flow frame. In another possible implementation, the ultrasound device determines the position information of the region of interest on the first ultrasound image, and determines the sampling mark according to the position information of the region of interest on the first ultrasound image. Since the region of interest is generally the target tissue region, the position information of the target tissue is directly determined by tracking the motion state of the target tissue, and the sampling mark is further determined according to the position information of the target tissue. Taking the sampling mark as a blood flow frame as an example, after the position information of the target tissue is determined, the target tissue is surrounded by the blood flow frame.

[0075] Step 403: If the sampling mark exceeds the boundary of the imaging range, the imaging range is adjusted so that the sampling mark is within the imaging range.

[0076] In an embodiment of the present application, the ultrasound device determines whether the imaging range needs to be adjusted by determining whether the sampling mark exceeds the boundary of the imaging range. If the sampling mark exceeds the boundary of the imaging range, the imaging range is adjusted so that the sampling mark is within the imaging range. If the sampling mark does not exceed the boundary of the imaging range, other processes can be performed, for example, other ultrasound imaging is performed in the sampling mark area, etc., which are not specifically limited here. For example, based on the first ultrasound image, the second ultrasound image corresponding to the region of interest is determined using the second imaging mode, and the second ultrasound image is displayed, wherein the second ultrasound image can be superimposed on the first ultrasound image for display, or the second ultrasound image and the first ultrasound image can be displayed in different areas of the same interface. Among them, the second imaging mode can be a C imaging mode, or a D imaging mode, or vector blood flow imaging, elastic imaging, etc., which are not specifically limited here.

[0077] There are multiple ways to determine whether the sampling mark exceeds the boundary of the imaging range. The following examples illustrate several possible implementations: In one possible implementation, the position information of the region of interest on the first ultrasound image is tracked. If the position information of the region of interest on the first ultrasound image exceeds the boundary of the imaging range, it is determined that the sampling mark exceeds the boundary of the imaging range. In another possible implementation, the position information of the adopted mark on the first ultrasound image is obtained. If the position information of the sampling mark on the first ultrasound image exceeds the boundary of the imaging range, it is determined that the adopted mark exceeds the boundary of the imaging range. That is, it is possible to determine whether the sampling mark exceeds the boundary of the imaging range through the position information of either the region of interest or the sampling mark. Taking the sampling mark as a blood flow frame as an example, since the blood flow frame surrounds the region of interest, if the region of interest exceeds the boundary of the imaging range, the blood flow frame must exceed the boundary of the imaging range. Of course, the ultrasound device can also obtain whether the sampling mark exceeds the imaging range through the user's input operation. For example, if the sampling mark exceeds the imaging range, a prompt instruction is input to the ultrasound device to prompt the ultrasound device to automatically adjust the imaging range. Of course, specific position information can also be input in the prompt instruction, for example, whether the sampling mark exceeds the horizontal boundary or the vertical boundary of the imaging range, etc., which is not specifically limited here.

[0078] The imaging range includes a horizontal boundary and a vertical boundary. There are many ways to adjust the imaging range. The following examples illustrate several possible implementation methods:

[0079] In a possible implementation, if the sampling mark exceeds the lateral boundary of the imaging range and the maximum angle of the imaging range does not reach the maximum preset angle of the imaging range, the angle of the imaging range is increased to make the sampling mark within the imaging range.

[0080] In a possible implementation, if the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range reaches the maximum preset angle of the imaging range, extended imaging is started to make the sampling mark within the imaging range, wherein the extended imaging is performed by adjusting the scanning deflection angle to expand the imaging range.

[0081] In a possible implementation, if the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is within the imaging range. When the depth of the imaging range is increased, the clarity of the first ultrasound image may be reduced. Therefore, in order to increase the image penetration of the first ultrasound image and make the first ultrasound image appear clearer, the signal-to-noise ratio of the first ultrasound image is adjusted. The specific process is: the ultrasound device obtains the signal-to-noise ratio of the third ultrasound image, wherein the third ultrasound image is an ultrasound image obtained by scanning after increasing the depth of the imaging range based on the imaging range of the first ultrasound image. If the signal-to-noise ratio is less than a preset threshold, the transmission frequency of the first imaging mode is reduced so that the signal-to-noise ratio is not less than the preset threshold, thereby improving the clarity of the third ultrasound image.

[0082] It should be noted that the adjustment method of the imaging range is the same as the above Figure 2 The adjustment methods shown are the same or similar. For details, please refer to the above Figure 2 The contents in the illustrated embodiment will not be repeated here.

[0083] It should be noted that if the sampling mark exceeds both the lateral and longitudinal boundaries of the imaging range, the imaging range can be adjusted longitudinally and laterally or transversely and longitudinally. Of course, both lateral and longitudinal adjustments can also be performed simultaneously, which is not specifically limited here.

[0084] In an embodiment of the present application, after the ultrasound device automatically adjusts the imaging range, the focal position of the first imaging mode can also be adjusted to the center position of the sampling mark according to the position information of the sampling mark, and the first imaging mode can be transmitted and received according to the adjusted focal position, and the first ultrasound image can be updated in real time.

[0085] The following uses the example of fetal heart examination in obstetrics to describe in detail the workflow of automatically adjusting the B imaging range in multiplexing mode:

[0086] See also Figure 5, in BC duplex mode (i.e., B ultrasound imaging and C ultrasound imaging), the ultrasound device performs a fetal heart examination. First, the ultrasound device transmits an ultrasonic wave to the target fetal heart, and receives the ultrasound echo returned from the target fetal heart, and generates a B image of the target fetal heart based on the ultrasound echo. At this time, the target fetal heart is within the B imaging range, and the target fetal heart is further surrounded by the C sampling frame, so that the C image of the target fetal heart can be obtained in the C sampling frame later, thereby further obtaining the tissue characteristic information of the target fetal heart. Since the fetus often moves in the mother's body, the position of the fetal heart will also change. Changes in the position of the fetal heart may cause all or part of the fetal heart to move out of the B imaging range. Combined with the position information of other fetal tissues in the B image or the fetal heart movement trajectory, the doctor may determine the position of the fetal heart after movement, or the ultrasound device may automatically track and identify the movement trajectory of the fetal heart to determine the position of the fetal heart after movement. Figure 5 The fetal heart position of the middle dotted line is a situation where the fetal heart is completely out of the B imaging range, such as Figure 6 As shown, at this time, the doctor needs to move the trackball to move the C sampling frame to the new fetal heart position. According to the position information of the C sampling frame, the ultrasound device automatically adjusts the B imaging range. Figure 7 As shown, the imaging range (field of view, FOV) angle can be adjusted according to the position information of the C sampling frame, or the imaging range depth can be adjusted, or extended imaging can be directly turned on, and the focus position and emission frequency can be further adjusted to rescan and update the B image. For details, please refer to Figure 2 The contents of the embodiments shown in the figure will not be described in detail here. Figure 8 As shown, after the ultrasound device automatically adjusts the B imaging range, the ultrasound device completely and clearly displays the B image of the fetal heart covered by the C sampling frame, and the fetal heart is within the B imaging range. C imaging can be further performed within the C sampling frame to obtain the C image of the fetal heart.

[0087] See also Fig. 9 , in the B, C, and PW triple modes (B ultrasound imaging, C ultrasound imaging, and PW ultrasound imaging), the ultrasound device performs a fetal heart check. First, the ultrasound device transmits ultrasound to the target fetal heart, and receives the ultrasound echo returned from the target fetal heart, and generates a B image of the target fetal heart based on the ultrasound echo. At this time, the target fetal heart is within the B imaging range, and the C sampling frame is further used to surround the target fetal heart, so that the C image of the target fetal heart can be subsequently obtained within the C sampling frame, thereby further obtaining the tissue feature information of the target fetal heart, and further a PW sampling frame appears in the B image, which is also used to identify the target fetal heart, so as to subsequently obtain a pulse wave Doppler image of the target fetal heart. Because the fetus often moves in the mother's body, the position of the fetal heart will also change. If the position of the fetal heart moves, it may cause all or part of the fetal heart to move out of the B imaging range. If Fig. 9As shown in the figure, the dotted line fetal heart position is a situation where part of the fetal heart moves out of the B imaging range. At this time, the doctor moves the PW sampling frame to the new fetal heart position. The specific moving process is as follows Fig.10 At this time, the position of the C sampling frame changes with the movement of the PW sampling frame. This function may involve a type of ultrasonic system design in which the C sampling frame and the PW sampling frame are synchronized. The ultrasonic device detects the changes in the position of the C sampling frame and the PW sampling frame and starts Figure 2 The process of automatically adjusting the B imaging range in the embodiment shown in the figure finally obtains the following Fig.11 In the ultrasound image shown, at this time, the C sampling frame and the B sampling frame are both within the B imaging range, and the C sampling frame surrounds the fetal heart, so C imaging and PW imaging can be further performed.

[0088] In the above embodiments, all or part of the embodiments may be implemented by software, hardware, firmware or any combination thereof. When implemented by software, all or part of the embodiments may be implemented in the form of a computer program product.

[0089] The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function according to the embodiment of the present invention is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website site, a computer, a server, or a data center to another website site, a computer, a server, or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a server or a data center that includes one or more available media integrated. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.

[0090] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0091] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the unit is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0092] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0093] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0094] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method of each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.

[0095] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for adjusting an ultrasonic imaging range, characterized in that: The method is applied to an ultrasonic device, and the method comprises: Transmitting a first ultrasonic wave to a target object using a first imaging mode, and receiving a first ultrasonic echo returned from the target object; determining a first ultrasonic image of the target object according to the first ultrasonic echo; displaying the first ultrasound image; Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest on the first ultrasound image; Determining position information of the sampling mark on the first ultrasound image; determining, according to the position information, whether the sampling mark exceeds an imaging range of the first ultrasound image; If so, the imaging range is adjusted so that the sampling mark is within the imaging range, wherein: If the sampling mark exceeds the lateral boundary of the imaging range, and the angle of the imaging range does not reach the maximum preset angle of the imaging range, increasing the angle of the imaging range so that the sampling mark is within the imaging range; If the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range reaches the maximum preset angle of the imaging range, then start extended imaging so that the sampling mark is within the imaging range, wherein the extended imaging is performed by adjusting the scanning deflection angle to expand the imaging range; If the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is within the imaging range.

2. The method according to claim 1, characterized in that After adjusting the imaging range so that the sampling mark is within the imaging range, the method further comprises: Transmitting a second ultrasonic wave to the target object using a second imaging mode, and receiving a second ultrasonic echo returned from the target object; determining a second ultrasonic image corresponding to the region of interest according to the second ultrasonic echo; The second ultrasound image is displayed.

3. The method according to claim 1, characterized in that If the sampling mark exceeds the longitudinal boundary of the imaging range, increasing the depth of the imaging range so that the sampling mark is behind the imaging range, the method further includes: Acquiring a signal-to-noise ratio of a third ultrasonic image, wherein the third ultrasonic image is an ultrasonic image obtained by scanning the imaging range of the first ultrasonic image with the depth of the imaging range increased; If the signal-to-noise ratio is less than a preset threshold, the emission frequency of the first imaging mode is reduced so that the signal-to-noise ratio is not less than the preset threshold.

4. The method according to any one of claims 1 to 3, characterized in that: The method further comprises: The focus position of the first imaging mode is adjusted to the center position of the sampling mark according to the position information.

5. The method according to claim 2, characterized in that: The first imaging mode is the B imaging mode, and the second imaging mode is the C imaging mode or the D imaging mode.

6. A method for adjusting an ultrasonic imaging range, characterized in that: The method is applied to an ultrasonic device, and the method comprises: Acquiring an imaging range of a first ultrasonic image, wherein the first ultrasonic image is determined using a first imaging mode; Acquire a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest in the first ultrasound image; If the sampling mark exceeds the boundary of the imaging range, the imaging range is adjusted so that the sampling mark is within the imaging range, wherein: If the sampling mark exceeds the lateral boundary of the imaging range, and the angle of the imaging range does not reach the maximum preset angle of the imaging range, increasing the angle of the imaging range so that the sampling mark is within the imaging range; If the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range reaches the maximum preset angle of the imaging range, then start extended imaging so that the sampling mark is within the imaging range, wherein the extended imaging is performed by adjusting the scanning deflection angle to expand the imaging range; If the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is within the imaging range.

7. The method according to claim 6, characterized in that After adjusting the imaging range so that the sampling mark is within the imaging range, the method further comprises: A second ultrasound image corresponding to the region of interest is determined using a second imaging mode.

8. The method according to claim 6, characterized in that If the sampling mark exceeds the longitudinal boundary of the imaging range, increasing the depth of the imaging range so that the sampling mark is behind the imaging range, the method further includes: Acquiring a signal-to-noise ratio of a third ultrasonic image, wherein the third ultrasonic image is an ultrasonic image obtained by scanning the imaging range of the first ultrasonic image with the depth of the imaging range increased; If the signal-to-noise ratio is less than a preset threshold, the emission frequency of the first imaging mode is reduced so that the signal-to-noise ratio is not less than the preset threshold.

9. The method according to any one of claims 6 to 8, characterized in that: The method further comprises: Acquiring position information of the sampling mark on the first ultrasound image; The focus position of the first imaging mode is adjusted to the center position of the sampling mark according to the position information of the sampling mark on the first ultrasound image.

10. The method according to claim 6, characterized in that If the sampling mark exceeds the boundary of the imaging range, adjusting the imaging range so that the sampling mark is before the imaging range, the method further includes: Tracking position information of the region of interest on the first ultrasound image; If the position information of the region of interest on the first ultrasound image exceeds the boundary of the imaging range, it is determined that the sampling mark exceeds the boundary of the imaging range.

11. The method according to claim 6, characterized in that If the sampling mark exceeds the boundary of the imaging range, adjusting the imaging range so that the sampling mark is before the imaging range, the method further includes: Acquiring position information of the sampling mark on the first ultrasound image; If the position information of the sampling mark on the first ultrasound image exceeds the boundary of the imaging range, it is determined that the sampling mark exceeds the boundary of the imaging range.

12. The method according to claim 6, characterized in that The acquiring of the sampling mark on the first ultrasound image comprises: receiving a sampling mark instruction for the first ultrasound image; The sampling mark is determined according to the sampling mark instruction.

13. The method according to claim 6, characterized in that The acquiring of the sampling mark on the first ultrasound image comprises: Determining position information of the region of interest on the first ultrasound image; The sampling mark is determined according to the position information of the region of interest on the first ultrasound image.

14. The method according to claim 7, characterized in that The first imaging mode is the B imaging mode, and the second imaging mode is the C imaging mode or the D imaging mode.

15. An ultrasonic device, characterized in that: include: Ultrasound probe; A transmit / receive sequence controller, the transmit / receive sequence controller is used to stimulate the ultrasonic probe to transmit a first ultrasonic wave to a target body using a first imaging mode, and receive a first ultrasonic echo returned by the target body; a processor, the processor being configured to determine a first ultrasonic image of the target object according to the first ultrasonic echo; a display, wherein the display is used to display the first ultrasound image; The processor is further configured to obtain a sampling mark on the first ultrasound image, wherein the sampling mark is used to identify a region of interest on the first ultrasound image; determine position information of the sampling mark on the first ultrasound image; determine whether the sampling mark exceeds an imaging range of the first ultrasound image according to the position information; and if so, adjust the imaging range so that the sampling mark is within the imaging range, wherein: If the sampling mark exceeds the lateral boundary of the imaging range, and the angle of the imaging range does not reach the maximum preset angle of the imaging range, increasing the angle of the imaging range so that the sampling mark is within the imaging range; If the sampling mark exceeds the lateral boundary of the imaging range and the angle of the imaging range reaches the maximum preset angle of the imaging range, then start extended imaging so that the sampling mark is within the imaging range, wherein the extended imaging is performed by adjusting the scanning deflection angle to expand the imaging range; If the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is within the imaging range.

16. The ultrasonic device according to claim 15, characterized in that The transmit / receive sequence controller is also used to stimulate the ultrasonic probe to transmit a second ultrasonic wave to the target body using a second imaging mode, and receive a second ultrasonic echo returned from the target body; The processor is further configured to determine a second ultrasonic image corresponding to the region of interest according to the second ultrasonic echo; The display is also used to display the second ultrasound image.

17. The ultrasonic device according to claim 15, characterized in that The processor is further configured to: If the sampling mark exceeds the longitudinal boundary of the imaging range, the depth of the imaging range is increased so that the sampling mark is behind the imaging range, and a signal-to-noise ratio of a third ultrasonic image is acquired, wherein the third ultrasonic image is an ultrasonic image obtained by scanning after increasing the depth of the imaging range based on the imaging range of the first ultrasonic image; If the signal-to-noise ratio is less than a preset threshold, the emission frequency of the first imaging mode is reduced so that the signal-to-noise ratio is not less than the preset threshold.

18. The ultrasonic device according to any one of claims 15 to 17, characterized in that The processor is further configured to: The focus position of the first imaging mode is adjusted to the center position of the sampling mark according to the position information.

19. The ultrasonic device according to claim 16, characterized in that The first imaging mode is the B imaging mode, and the second imaging mode is the C imaging mode or the D imaging mode.

20. An ultrasonic device, characterized in that: include: processor and memory and display; The memory stores computer instructions, and the processor executes the computer instructions to implement the method according to any one of claims 6 to 14.

Images