CN114366165A - Heart ultrasonic scanning auxiliary system, medium and electronic equipment - Google Patents
Heart ultrasonic scanning auxiliary system, medium and electronic equipment Download PDFInfo
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- CN114366165A CN114366165A CN202210088027.5A CN202210088027A CN114366165A CN 114366165 A CN114366165 A CN 114366165A CN 202210088027 A CN202210088027 A CN 202210088027A CN 114366165 A CN114366165 A CN 114366165A
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- 238000002604 ultrasonography Methods 0.000 claims abstract description 189
- 230000000747 cardiac effect Effects 0.000 claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000002861 ventricular Effects 0.000 claims description 73
- 238000003908 quality control method Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004364 calculation method Methods 0.000 abstract description 6
- 230000011218 segmentation Effects 0.000 description 9
- 210000001174 endocardium Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000013528 artificial neural network Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010801 machine learning Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4411—Device being modular
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
Abstract
The invention provides a cardiac ultrasound scanning auxiliary system, a medium and electronic equipment. The heart ultrasonic scanning auxiliary system comprises: the ultrasonic image acquisition module is used for acquiring a real-time heart ultrasonic image acquired by the ultrasonic scanning equipment; the section identification module is used for identifying a current ultrasonic section according to the real-time heart ultrasonic image; the ejection fraction acquiring module is used for acquiring a cardiac ejection fraction of a target object according to a target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position. The heart ultrasonic scanning auxiliary system can simplify the measurement and calculation process of ejection fraction and improve the accuracy and reliability of measurement and calculation results.
Description
Technical Field
The invention relates to a computer-aided system, in particular to a cardiac ultrasound scanning aided system, a medium and electronic equipment.
Background
Ejection fraction is the percentage of cardiac output per stroke in the volume of the end-diastolic volume of the ventricles, with a normal value of 50-70%. Ejection fraction is generally measured by cardiac ultrasound, is a main index for evaluating ventricular contractility, and is one of important indicators for judging heart failure. In the prior art, the ejection fraction is usually calculated manually by medical staff, and the method has the problems of time consumption, poor repeatability and the like, so that the reliability and stability of the calculation result are poor.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a cardiac ultrasound scanning assistance system, medium and electronic device, which solve the above-mentioned problems in the prior art.
To achieve the above and other related objects, a first aspect of the present invention provides a cardiac ultrasound scanning assistance system, including: the ultrasonic image acquisition module is used for acquiring a real-time heart ultrasonic image acquired by the ultrasonic scanning equipment; the section identification module is used for identifying a current ultrasonic section according to the real-time heart ultrasonic image; the ejection fraction acquiring module is used for acquiring a cardiac ejection fraction of a target object according to a target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
In an embodiment of the first aspect, the cardiac ultrasound scanning assistance system further includes a scanning assistance module, and the scanning assistance module is configured to prompt a user when the section identification module identifies a target ultrasound section, so as to assist the user to adjust the ultrasound scanning apparatus to the target scanning position.
In an embodiment of the first aspect, the scanning assisting module is configured to generate a first prompt message when the section identifying module identifies the target ultrasound section; and/or the scanning auxiliary module is used for displaying the ventricular area in the real-time heart ultrasonic image through a display after the section identification module identifies the target ultrasonic section; and/or the scanning auxiliary module is further used for generating second prompt information when the ventricular area in the real-time heart ultrasonic image meets a first condition, wherein the second prompt information is used for prompting a user that the ultrasonic scanning equipment is adjusted to the target scanning position.
In an embodiment of the first aspect, the first condition includes: the historical maximum ventricular area within the current target ultrasound sectional range is kept unchanged, and the ventricular area in the real-time cardiac ultrasound image is consistent with the historical maximum ventricular area within the current target ultrasound sectional range.
In an embodiment of the first aspect, the ejection fraction obtaining module includes: a cardiac cycle acquisition unit, configured to acquire a ventricular area in the target ultrasound image and acquire a cardiac cycle; a reference image acquisition unit, configured to acquire a reference image from the target ultrasound image according to the cardiac cycle, where the reference image includes an image of a ventricular end-systole and an image of a ventricular end-diastole; a characteristic point acquisition unit, configured to acquire a ventricular characteristic point in the reference image; and the ejection fraction acquiring unit is used for acquiring the ventricular ejection fraction of the target object according to the ventricular feature points.
In an embodiment of the first aspect, the target ultrasound section includes a first target ultrasound section and a second target ultrasound section that are perpendicular to each other, the scanning auxiliary module is further configured to generate third prompt information after the reference image obtaining unit obtains the reference image corresponding to the first target ultrasound section, and the third prompt information is used to prompt a user to adjust the ultrasound scanning device to a perpendicular position thereof.
In an embodiment of the first aspect, the cardiac ultrasound scanning assistance system further includes a scanning quality control module, and the scanning quality control module is configured to allow a user to terminate the ultrasound scanning on the target object only after the reference image corresponding to the first target ultrasound slice and the reference image corresponding to the second target ultrasound slice are both acquired.
In an embodiment of the first aspect, the scanning quality control module is further configured to acquire an image conformity of an optimal image in the target ultrasound image, and control the cardiac cycle acquisition unit to acquire a ventricular area in the target ultrasound image when the image conformity satisfies a second condition; and/or the scanning quality control module is further used for obtaining the image conformity of the optimal image in the target ultrasonic image and generating fourth prompt information when the image conformity of the optimal image is smaller than a conformity threshold value.
A second aspect of the invention provides a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out a cardiac ultrasound scanning assistance method; the heart ultrasonic scanning auxiliary method comprises the following steps: acquiring a real-time heart ultrasonic image acquired by ultrasonic scanning equipment; identifying a current ultrasonic section according to the real-time heart ultrasonic image; and acquiring the cardiac ejection fraction of the target object according to the target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
A third aspect of the present invention provides an electronic apparatus, comprising: a memory storing a computer program; the processor is in communication connection with the memory and is used for executing a cardiac ultrasound scanning auxiliary method when the computer program is called; the heart ultrasonic scanning auxiliary method comprises the following steps: acquiring a real-time heart ultrasonic image acquired by ultrasonic scanning equipment; identifying a current ultrasonic section according to the real-time heart ultrasonic image; and acquiring the cardiac ejection fraction of the target object according to the target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
As described above, the cardiac ultrasound scanning auxiliary system, medium, and electronic device according to one or more embodiments of the present invention have the following advantages:
the heart ultrasonic scanning auxiliary system can automatically identify an ultrasonic section according to a real-time heart ultrasonic image and can automatically calculate the heart ejection fraction of a target object according to a target ultrasonic image. Therefore, the heart ultrasonic scanning auxiliary system can assist a user to complete partial operation in the process of measuring and calculating the ejection fraction, so that the process of measuring and calculating the ejection fraction is simplified, and the accuracy and the reliability of a measuring and calculating result are improved.
Drawings
Fig. 1 is a schematic structural diagram of an ultrasound scanning assistance system for cardiac examination according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an ultrasound scanning assistance system for cardiac examination according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of an ejection fraction acquisition module of the cardiac ultrasound scanning assistance system according to an embodiment of the invention.
Fig. 4 is a flowchart illustrating the operation of the cardiac ultrasound scanning assistance system according to an embodiment of the present invention.
Fig. 5 is a flowchart of an embodiment of the cardiac ultrasound scanning assistance method of the present invention.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Description of the element reference numerals
1 heart ultrasonic scanning auxiliary system
11 ultrasonic image acquisition module
12 tangent plane identification module
13 ejection fraction acquisition module
131 cardiac cycle acquisition unit
132 reference image acquisition unit
133 characteristic point acquisition unit
134 ejection fraction acquisition unit
14 scanning auxiliary module
2 ultrasonic scanning equipment
3 display
600 electronic device
610 memory
620 processor
630 display
S41-S44
S51-S53
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated. Moreover, in this document, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In the prior art, the ejection fraction is usually calculated manually by medical staff, and the method has the problems of time consumption, poor repeatability and the like, so that the reliability and stability of the calculation result are poor. At least in view of the problem, the invention provides a heart ultrasonic scanning auxiliary system. Referring to fig. 1, in an embodiment of the present invention, a cardiac ultrasound scanning assistance system 1 includes an ultrasound image acquisition module 11, a slice identification module 12, and an ejection fraction acquisition module 13.
The ultrasound image acquisition module 11 is connected to the ultrasound scanning device 2 and configured to acquire a real-time cardiac ultrasound image acquired by the ultrasound scanning device 2, where the ultrasound scanning device 2 is, for example, an ultrasound probe. It should be noted that, in some embodiments, the ultrasound scanning apparatus 2 may be included in the cardiac ultrasound scanning assistance system 1, and in other embodiments, the ultrasound scanning apparatus 2 may not be included in the cardiac ultrasound scanning assistance system 1, in which case, the ultrasound scanning apparatus 2 may be communicatively connected to the cardiac ultrasound scanning assistance system 1.
The section identification module 12 is connected to the ultrasound image acquisition module 11, and is configured to identify a current ultrasound section according to the real-time cardiac ultrasound image.
The ejection fraction acquiring module 13 is connected to the ultrasound image acquiring module 11, and is configured to acquire a cardiac ejection fraction of a target object according to a target ultrasound image, where the target ultrasound image is a cardiac ultrasound image acquired by the ultrasound scanning apparatus 2 at a target scanning position, and the target object is, for example, a clinical patient or a clinical subject.
As can be seen from the above description, the cardiac ultrasound scanning assistance system 1 according to the embodiment can automatically identify an ultrasound section according to a real-time cardiac ultrasound image, and can automatically acquire a cardiac ejection fraction of a target object according to a target ultrasound image. Therefore, in the process of measuring and calculating the ejection fraction, the cardiac ultrasound scanning auxiliary system 1 can at least assist the user in completing operations such as section identification and ejection fraction calculation, which is beneficial to simplifying the process of measuring and calculating the ejection fraction and improving the accuracy and reliability of the measurement result.
In an embodiment of the present invention, the section identification module 12 processes the real-time cardiac ultrasound image by using an ultrasound section identification model to identify a current ultrasound section. The ultrasonic section identification model can be a machine learning model constructed based on a neural network. In a specific application, the ultrasound section identification model may be trained based on the labeling data of the cardiac ultrasound image, so that the ultrasound section identification model has the capability of identifying an ultrasound section. After the training is completed, the section identification module 12 may obtain a current ultrasound section in real time by using the ultrasound section identification model during the cardiac ultrasound scanning process and determine whether the current ultrasound section is a target ultrasound section, where the target ultrasound section includes, but is not limited to, a four-chamber heart section, a two-chamber heart section, a parasternal left ventricle long axis section, and the like.
Referring to fig. 2, in an embodiment of the present invention, the cardiac ultrasound scanning assistance system 1 may further include a scanning assistance module 14. The scanning auxiliary module 14 is connected to the section identification module 12, and is configured to prompt a user when the section identification module 12 identifies a target ultrasonic section, so as to assist the user in adjusting the ultrasonic scanning device 2 to the target scanning position, thereby obtaining an optimal image. The number of the target ultrasonic sections is at least one, the target scanning position corresponds to the target ultrasonic sections, and one target ultrasonic section corresponds to one target scanning position.
Optionally, the scanning assistance module 14 may be configured to generate a first prompt message when the section identification module 12 identifies the target ultrasound section, where the first prompt message is used to prompt the user that the section identification module 12 has identified the target ultrasound section. Preferably, the scanning auxiliary module 14 may display the first prompt information in a visual manner by using the display 3, but the invention is not limited thereto. In addition, in some embodiments, the display 3 may be included in the cardiac ultrasound scanning assistance system 1, and in other embodiments, the display 3 may not be included in the cardiac ultrasound scanning assistance system 1, in which case, the display 3 may be communicatively connected to the cardiac ultrasound scanning assistance system 1.
Optionally, the first prompt information may also be used to visually prompt the user to fine-tune the ultrasound scanning apparatus 2.
Optionally, the scanning assistance module 14 may be configured to display the ventricular area in the real-time cardiac ultrasound image via the display 3 after the section identification module 12 identifies the target ultrasound section.
Alternatively, the scanning assistance module 14 may acquire the ventricular area in the real-time cardiac ultrasound image based on the endocardium contour in the real-time cardiac ultrasound image, for example, the scanning assistance module 14 may acquire the ventricular area in the real-time cardiac ultrasound image by counting the number of pixel points or voxel points within the range of the endocardium contour in the real-time cardiac ultrasound image.
Optionally, the scanning assistance module 14 may process the real-time cardiac ultrasound image by using an endocardium contour identification model to obtain an endocardium contour in the real-time cardiac ultrasound image, where the endocardium contour identification model may be a machine learning model constructed based on a neural network.
Preferably, the scanning auxiliary module 14 is further configured to display a historical maximum ventricular area through the display 3 after the section identification module 12 identifies the target ultrasound section, where the historical maximum ventricular area refers to a maximum value of the ventricular areas acquired by the scanning auxiliary module 14 within the current target ultrasound section. For example, if the number of the target ultrasound slices is 2, when the slice identification module 12 identifies a first target ultrasound slice, the historical maximum ventricular area is the maximum value of the ventricular areas acquired by the scanning auxiliary module 14 within the range of the first target ultrasound slice; when the section identification module 12 identifies a second target ultrasound section, the historical maximum ventricular area is the maximum value of the ventricular area acquired by the scanning auxiliary module 14 within the range of the second target ultrasound section.
Optionally, the scanning assistance module 14 is further configured to generate a second prompt message when the ventricular area in the real-time cardiac ultrasound image satisfies the first condition, where the second prompt message is used to prompt the user that the ultrasound scanning apparatus has been adjusted to the target scanning position. The first condition may be set according to actual requirements, and preferably includes: the historical maximum ventricular area within the current target ultrasound sectional range is kept unchanged, and the ventricular area in the real-time cardiac ultrasound image is consistent with the historical maximum ventricular area within the current target ultrasound sectional range. The consistency of the ventricular area in the real-time cardiac ultrasound image and the historical maximum ventricular area in the current target ultrasound section range means that the two values are the same or the difference value between the two values is within the range accepted by the user.
Referring to fig. 3, in an embodiment of the present invention, the ejection fraction obtaining module 13 includes a cardiac cycle obtaining unit 131, a reference image obtaining unit 132, a feature point obtaining unit 133, and an ejection fraction obtaining unit 134.
The cardiac cycle acquiring unit 131 is connected to the ultrasound image acquiring module 11, and is configured to acquire a ventricular area in the target ultrasound image and acquire a cardiac cycle. Specifically, the cardiac cycle acquiring unit 131 may acquire a ventricular area in the target ultrasound image according to an endocardial contour in the target ultrasound image, and acquire the cardiac cycle according to a cycle change rule of the ventricular area with time.
The reference image obtaining unit 132 is connected to the cardiac cycle obtaining unit 131, and is configured to obtain a reference image from the target ultrasound image according to the cardiac cycle. Wherein the target ultrasonic image comprises a plurality of frames of images, and the reference image comprises one or more frames of images at the end-systole and one or more frames of images at the end-diastole of the ventricle.
The feature point obtaining unit 133 is connected to the reference image obtaining unit 132, and is configured to obtain a ventricular feature point in the reference image. Wherein the ventricular feature point refers to a feature point related to the ventricular ejection fraction of the target object, such as the apex of the heart, a valve, etc. in the reference image.
The ejection fraction acquiring unit 134 is connected to the feature point acquiring unit 133, and is configured to acquire a ventricular ejection fraction of the target subject according to the ventricular feature points. Specifically, the ejection fraction obtaining unit 134 may establish a ventricular segmentation grid according to the reference image and the ventricular feature points therein, and then obtain the ventricular ejection fraction of the target object based on the ventricular segmentation grid. It should be noted that, in this embodiment, the ejection fraction acquiring module 13 may acquire the ventricular ejection fraction of the target object based on the ventricular segmentation grid as the cardiac ejection fraction of the target object, but the invention is not limited thereto.
Alternatively, in some embodiments, the number of the target ultrasound slices may be 1, and at this time, the ejection fraction obtaining unit 134 obtains the ventricular ejection fraction of the target object based on a single ventricular segmentation grid.
Alternatively, in some other embodiments, the number of the target ultrasound slices may be 2, and in this case, the ejection fraction obtaining unit 134 obtains the ventricular ejection fraction of the target object based on two ventricular segmentation grids.
Specifically, the target ultrasound section may include a first target ultrasound section and a second target ultrasound section that are perpendicular to each other, where the first target ultrasound section is the first target ultrasound section recognized by the section recognition module 12, and the second target ultrasound section is the target ultrasound section that is perpendicular to the first target ultrasound section recognized by the section recognition module 12. In a specific application, after the section identification module 12 identifies the first target ultrasound section, the user moves the ultrasound scanning device 2 to a first target scanning position corresponding to the first target ultrasound section, and acquires a first target ultrasound image at the first target scanning position by using the ultrasound scanning device 2, and the reference image acquisition unit 132 acquires a reference image from the first target ultrasound image as a reference image corresponding to the first target ultrasound section, so as to acquire a first ventricular segmentation grid.
After the reference image obtaining unit 132 obtains the reference image corresponding to the first target ultrasonic section, the scanning auxiliary module 14 is further configured to generate third prompt information, where the third prompt information is used to prompt a user to adjust the ultrasonic scanning device to a vertical position thereof so as to position a vertical section of the first target ultrasonic section, that is, the second target ultrasonic section. In a manner similar to the above-mentioned first target ultrasound section, the reference image obtaining unit 132 may obtain a reference image corresponding to the second target ultrasound section, and further obtain a second ventricular segmentation grid. Based on the first ventricular segmentation mesh and the second segmentation mesh, the ejection fraction acquisition unit 134 can acquire the ventricular ejection fraction more accurately.
In an embodiment of the present invention, the cardiac ultrasound scanning auxiliary system 1 may further include a scanning quality control module. The scanning quality control module can be used for continuously monitoring the coverage rate of the target ultrasonic section, the user is allowed to finish the scanning of the current target object only after all the target ultrasonic sections are covered, and the user can terminate the ultrasonic scanning and also can continue to scan the next target object.
Optionally, the scanning quality control module may display the covered target ultrasound section and/or the target section to be covered through a display.
Optionally, the scanning quality control module may be connected to the ejection fraction acquiring module 13, and configured to allow the user to terminate the ultrasonic scanning on the target object after the reference image corresponding to the first target ultrasonic section and the reference image corresponding to the second target ultrasonic section are both acquired.
Optionally, the scanning quality control module is further configured to acquire an image conformity of an optimal image in the target ultrasound image, and control the cardiac cycle acquisition unit to acquire the ventricular area in the target ultrasound image only when the image conformity satisfies a second condition. Wherein the optimal image is, for example, the image with the largest ventricular area in the target ultrasonic image. The second condition is that the image conformity of the optimal image is equal to a first conformity threshold, which may be set according to actual requirements, for example, 100%. The image conformity may be, for example, a ratio of a ventricular area in the optimal image to a predetermined ventricular area, but the invention is not limited thereto.
Optionally, the scanning quality control module may display the image conformity of the optimal image through a display.
Optionally, the scanning quality control module is further configured to obtain an image conformity of an optimal image in the target ultrasound image, and generate fourth prompt information when the image conformity of the optimal image is smaller than a second conformity threshold, where the fourth prompt information is used to prompt a user to terminate automatic measurement and/or reselect the optimal image. Wherein, the second conformity threshold value may be set according to actual requirements, for example, 60%.
The operation of the cardiac ultrasound scanning assistance system 1 will be described in the following with reference to a preferred embodiment of the present invention, which is only used for the purpose of assisting the description of the present invention, and is not intended to limit the present invention in any way, and the contents of the preferred embodiment are not necessary for the implementation of the present invention. Specifically, referring to fig. 4, the working process of the cardiac ultrasound scanning assistance system 1 in a preferred embodiment of the present invention includes the following steps S41 to S44.
In step S41, the ultrasound image obtaining module 11 obtains a real-time cardiac ultrasound image acquired by the ultrasound scanning apparatus 2.
In step S42, the section identification module 12 identifies the real-time cardiac ultrasound image to obtain a current ultrasound section.
Step S43, when the section identification module 12 identifies a target ultrasound section, the scanning auxiliary module 14 prompts the user to assist the user to adjust the ultrasound scanning apparatus 2 to a target scanning position to acquire a target ultrasound image.
Optionally, the scanning assistance module 14 may generate a first prompt message to prompt the user that the target ultrasound slice has been currently identified.
Alternatively, the scanning assistance module 14 may obtain an intimal contour of the real-time cardiac ultrasound image by using an endocardial contour identification model, and calculate the currently scanned ventricular area in real time according to the intimal contour. Meanwhile, the scanning auxiliary module 14 may prompt the user to fine-tune the ultrasound scanning apparatus 2, and display the currently scanned ventricular area and the maximum ventricular area within the current target ultrasound section range in real time.
Optionally, when the maximum ventricular area value in the current target ultrasound slice range remains unchanged and the currently scanned ventricular area is consistent with the maximum ventricular area value, the scanning assistance module 14 may generate a second prompt message to prompt the user to keep the scanning position of the ultrasound scanning apparatus 2 fixed to acquire the target ultrasound image.
In step S44, the ejection fraction obtaining module 13 obtains a set of reference images according to the target ultrasound image. If the cardiac ejection fraction of the target object is calculated by using the single plane method, the ejection fraction obtaining module 13 obtains the cardiac ejection fraction of the target object according to the group of reference images. If the cardiac ejection fraction of the target object is calculated by using the biplane method, the scanning auxiliary module 14 generates third prompt information to prompt the user to rotate the ultrasound scanning device by 90 degrees, position the vertical section of the current target section, and repeat the above steps S41 to S44 to obtain another set of reference images, and the ejection fraction obtaining module 13 obtains the cardiac ejection fraction of the target object according to the two sets of reference images.
In the execution process of the above steps S41 to S44, the present embodiment may further utilize the scanning quality control module to realize quality control on the ultrasonic scanning process, so as to further improve the accuracy and reliability of the measurement and calculation result.
The invention also provides an auxiliary method for cardiac ultrasound scanning. Specifically, referring to fig. 5, in an embodiment of the present invention, the method for assisting cardiac ultrasound scanning includes the following steps S51 to S53.
And step S51, acquiring a real-time heart ultrasonic image acquired by the ultrasonic scanning equipment.
And step S52, identifying the current ultrasonic section according to the real-time heart ultrasonic image.
Step S53, obtaining a cardiac ejection fraction of the target object according to a target ultrasound image, where the target ultrasound image is a cardiac ultrasound image acquired by the ultrasound scanning device at a target scanning position.
It should be noted that the steps S51 to S53 correspond to the functions of the corresponding modules in the cardiac ultrasound scanning auxiliary system 1 shown in fig. 1, and are not described herein for saving description space.
The invention also provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the cardiac ultrasound scanning assistance method of fig. 5.
The invention also provides electronic equipment. Specifically, referring to fig. 6, in an embodiment of the invention, an electronic device 600 includes a memory 610 and a processor 620. The memory 610 stores a computer program, and the processor 620 is connected in communication with the memory 610 and is configured to execute the cardiac ultrasound scanning assistance method shown in fig. 5 when the computer program is called.
Optionally, the electronic device 600 may further include a display 630. The display 630 is communicatively coupled to the memory 610 and the processor 620, and is configured to display a GUI interactive interface related to the cardiac ultrasound scanning assistance method.
In summary, the cardiac ultrasound scanning auxiliary system in one or more embodiments of the present invention can assist a user in completing operations such as section identification, scanning position adjustment, cardiac cycle, ejection fraction measurement, and the like, which is beneficial to simplifying the measurement process of ejection fraction and improving the accuracy and reliability of the measurement result. In addition, the cardiac ultrasound scanning auxiliary system can also realize the quality control of the target section and the optimal image through the scanning quality control module, and is favorable for further improving the accuracy and reliability of the measuring and calculating result. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A cardiac ultrasound scanning assistance system, comprising:
the ultrasonic image acquisition module is used for acquiring a real-time heart ultrasonic image acquired by the ultrasonic scanning equipment;
the section identification module is used for identifying a current ultrasonic section according to the real-time heart ultrasonic image;
the ejection fraction acquiring module is used for acquiring a cardiac ejection fraction of a target object according to a target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
2. The cardiac ultrasound scanning assistance system of claim 1, further comprising a scanning assistance module configured to prompt a user when the slice identification module identifies a target ultrasound slice to assist the user in adjusting the ultrasound scanning apparatus to the target scanning position.
3. The cardiac ultrasound scanning assistance system of claim 2, wherein:
the scanning auxiliary module is used for generating first prompt information when the section identification module identifies the target ultrasonic section; and/or
The scanning auxiliary module is used for displaying the ventricular area in the real-time heart ultrasonic image through a display after the section identification module identifies the target ultrasonic section; and/or
The scanning auxiliary module is further used for generating second prompt information when the ventricular area in the real-time cardiac ultrasound image meets a first condition, and the second prompt information is used for prompting a user that the ultrasound scanning device is adjusted to the target scanning position.
4. The cardiac ultrasound scanning assistance system of claim 3, wherein the first condition comprises: the historical maximum ventricular area within the current target ultrasound sectional range is kept unchanged, and the ventricular area in the real-time cardiac ultrasound image is consistent with the historical maximum ventricular area within the current target ultrasound sectional range.
5. The cardiac ultrasound scanning assistance system according to any one of claims 1 to 4, wherein the ejection fraction acquisition module includes:
a cardiac cycle acquisition unit, configured to acquire a ventricular area in the target ultrasound image and acquire a cardiac cycle;
a reference image acquisition unit, configured to acquire a reference image from the target ultrasound image according to the cardiac cycle, where the reference image includes an image of a ventricular end-systole and an image of a ventricular end-diastole;
a characteristic point acquisition unit, configured to acquire a ventricular characteristic point in the reference image;
and the ejection fraction acquiring unit is used for acquiring the ventricular ejection fraction of the target object according to the ventricular feature points.
6. The cardiac ultrasound scanning assistance system of claim 5, wherein the target ultrasound slices include a first target ultrasound slice and a second target ultrasound slice that are perpendicular to each other, the scanning assistance module is further configured to generate third prompt information after the reference image acquisition unit acquires the reference image corresponding to the first target ultrasound slice, and the third prompt information is used to prompt a user to adjust the ultrasound scanning device to its vertical position.
7. The cardiac ultrasound scanning assistance system according to claim 5, further comprising a scanning quality control module, wherein the scanning quality control module is configured to allow a user to terminate the ultrasound scanning of the target object after the reference image corresponding to the first target ultrasound slice and the reference image corresponding to the second target ultrasound slice are both acquired.
8. The cardiac ultrasound scanning assistance system of claim 7, wherein:
the scanning quality control module is further used for acquiring the image conformity of the optimal image in the target ultrasonic image and controlling the cardiac cycle acquisition unit to acquire the ventricular area in the target ultrasonic image when the image conformity meets a second condition; and/or
The scanning quality control module is further used for obtaining the image conformity of the optimal image in the target ultrasonic image and generating fourth prompt information when the image conformity of the optimal image is smaller than a conformity threshold value.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a cardiac ultrasound scanning assistance method;
the heart ultrasonic scanning auxiliary method comprises the following steps:
acquiring a real-time heart ultrasonic image acquired by ultrasonic scanning equipment;
identifying a current ultrasonic section according to the real-time heart ultrasonic image;
and acquiring the cardiac ejection fraction of the target object according to the target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
10. An electronic device, characterized in that the electronic device comprises:
a memory storing a computer program;
the processor is in communication connection with the memory and is used for executing a cardiac ultrasound scanning auxiliary method when the computer program is called;
the heart ultrasonic scanning auxiliary method comprises the following steps:
acquiring a real-time heart ultrasonic image acquired by ultrasonic scanning equipment;
identifying a current ultrasonic section according to the real-time heart ultrasonic image;
and acquiring the cardiac ejection fraction of the target object according to the target ultrasonic image, wherein the target ultrasonic image is a cardiac ultrasonic image acquired by the ultrasonic scanning equipment at a target scanning position.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108567446A (en) * | 2018-05-10 | 2018-09-25 | 深圳开立生物医疗科技股份有限公司 | Cardiac ultrasonic equipment and its quickly method of selection cardiac cycle phase correspondence image |
| CN109925002A (en) * | 2019-01-15 | 2019-06-25 | 胡秋明 | Artificial intelligence echocardiogram data collection system and its collecting method |
| CN112336376A (en) * | 2020-10-19 | 2021-02-09 | 深圳华声医疗技术股份有限公司 | Ultrasonic auxiliary scanning method and device and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567446A (en) * | 2018-05-10 | 2018-09-25 | 深圳开立生物医疗科技股份有限公司 | Cardiac ultrasonic equipment and its quickly method of selection cardiac cycle phase correspondence image |
| CN109925002A (en) * | 2019-01-15 | 2019-06-25 | 胡秋明 | Artificial intelligence echocardiogram data collection system and its collecting method |
| CN112336376A (en) * | 2020-10-19 | 2021-02-09 | 深圳华声医疗技术股份有限公司 | Ultrasonic auxiliary scanning method and device and readable storage medium |
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