CN109363718A - Ultrasonic imaging method and supersonic imaging apparatus - Google Patents
Ultrasonic imaging method and supersonic imaging apparatus Download PDFInfo
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Abstract
The present invention provides a kind of ultrasonic imaging method and supersonic imaging apparatus, wherein ultrasonic imaging method includes: to emit the first ultrasonic wave to the target area of measurand, to track the shearing wave propagated in the target area；The ultrasonic echo of first ultrasonic wave returned from the target area is received to obtain the first echo data；Determine that the elastic parameter of the target area, the elastic parameter characterize the hardness of the target area according to first echo data；Obtain the acoustic attenuation parameter of the target area, the fatty degree of target area described in the acoustic attenuation parameter characterization；Show the elastic parameter and the acoustic attenuation parameter.The present invention can will characterize liver hardness and two parameters of fatty degree be shown simultaneously, for doctor use and research provides convenience.
Description
Technical field
The present invention relates to Medical Imaging Technology fields, more particularly, to a kind of ultrasonic imaging method and supersonic imaging apparatus.
Background technique
Chronic liver disease leads to liver due to the lasting wound and reparation that liver organization occurs, liver cell epimatrix over-deposit
Dirty fibroplasia and decomposition are uneven, and then liver fibrosis occurs.If liver fibrosis diagnosing and treating not in time, may develop
For cirrhosis, liver cancer etc..Goldstandard of the liver impedance rheograph as liver fibrosis diagnosis, because it is with traumatic, sampling error with
And may cause the complication such as pneumothorax, there are still limitations for clinical application.
Using ultrasound as the Transient elastography technology of technical foundation, propagation of the tracking shearing wave in human liver can be passed through
The speed of shearing wave is obtained, and then assesses liver hardness by calculating, thus diagnosing liver fibrosis and its degree.Such technology
It can avoid unnecessary liver puncture, it is easy to operate due to its non-invasive, the features such as repeating, led in liver fibrosis diagnosis
Domain gains universal acceptance.
Above-mentioned Transient elastography technology, usually every triggering once form an elastomeric check as a result, each collection result
It is relatively independent, therefore doctor needs to be compared data when checking, reliable data are thought in selection.In addition, in addition to liver
Fibrosis (hardness increase), fatty liver (liver fat change) are also common clinical, and the signal of liver is usually passed through using ultrasound
Decaying is to express.However above-mentioned hepatic fibrosis-renal tubular ectasia syndrome data and fatty liver data are mutually independent state, to the data point of doctor
Analysis and diagnosis cause very big burden, are unfavorable for obtaining accurate state of an illness testing result.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of ultrasonic imaging method and supersonic imaging apparatus, it can be by table
Two parameters of sign liver hardness and fatty degree show simultaneously, for doctor use and research provides convenience.
In a first aspect, the embodiment of the invention provides a kind of ultrasonic imaging methods, comprising:
Emit the first ultrasonic wave to the target area of measurand, to track the shearing propagated in the target area
Wave；
The ultrasonic echo of first ultrasonic wave returned from the target area is received to obtain the first echo data；
Determine that the elastic parameter of the target area, the elastic parameter characterize the mesh according to first echo data
Mark the hardness in region；
Obtain the acoustic attenuation parameter of the target area, the fatty journey of target area described in the acoustic attenuation parameter characterization
Degree；
Show the elastic parameter and the acoustic attenuation parameter.
Second aspect, the embodiment of the present invention provide a kind of supersonic imaging apparatus, comprising:
Ultrasonic probe；
Transmitting/reception sequence controller, the transmitting/reception sequence controller motivate the ultrasonic probe to measurand
Target area emit the first ultrasonic wave, to track the shearing wave propagated in the target area；And it receives from the mesh
The ultrasonic echo for first ultrasonic wave that region returns is marked to obtain the first echo data；
Processor, the processor determine the elastic parameter of the target area according to first echo data；And
Obtain the acoustic attenuation parameter of the target area；The elastic parameter characterizes the hardness of the target area, the acoustic attenuation ginseng
Number characterizes the fatty degree of the target area；
Display, the display show the elastic parameter and the acoustic attenuation parameter.
The ultrasonic imaging method provided by the embodiment of the present invention and supersonic imaging apparatus pass through the target to measurand
Field emission ultrasonic wave tracks the shearing wave propagated in target area；To receive the return from target area first ultrasound
The ultrasonic echo of wave is to obtain the first echo data；The elastic parameter of target area is further determined according to the first echo data,
The elastic parameter is used to characterize the hardness of target area；And the acoustic attenuation parameter of target area is obtained simultaneously, the acoustic attenuation parameter
For characterizing the fatty degree of target area；Above-mentioned elastic parameter harmony attenuation parameter is carried out while being shown.The present invention can
Two parameters for characterizing liver hardness and fat content are shown simultaneously, for doctor use and research provides convenience.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of supersonic imaging apparatus provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 5 is the hepatitis B colour grating figure in a kind of ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 6 is the fatty liver colour grating figure in a kind of ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 7 is the double ordinate of orthogonal axes figures and box-shaped figure in a kind of ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 8 is the flow chart of another ultrasonic imaging method provided in an embodiment of the present invention；
Fig. 9 is the flow chart of another ultrasonic imaging method provided in an embodiment of the present invention；
Figure 10 is the double longitudinal axis colour grating figures of hepatitis B in a kind of ultrasonic imaging method provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In current existing hepatic data detection process, hepatic fibrosis-renal tubular ectasia syndrome data and fatty liver data are mutually independent shape
State causes very big burden to the data analysis and diagnosis of doctor, is unfavorable for obtaining accurate state of an illness testing result.
Based on this, the embodiment of the present invention provides a kind of ultrasonic imaging method and supersonic imaging apparatus, can will characterize liver
Two parameters of hardness and fatty degree show simultaneously, for doctor use and research provides convenience.
Fig. 1 is the structural block diagram schematic diagram of the supersonic imaging apparatus 10 in the embodiment of the present application.The supersonic imaging apparatus 10
It may include ultrasonic probe 100, transmitting/reception selection switch 101, transmitting/reception sequence controller 102, processor 103 and show
Show device 104.Transmitting/reception sequence controller 102 can motivate ultrasonic probe 100 to emit ultrasonic wave to target area, can be with
Control ultrasonic probe 100 receives the ultrasonic echo returned from target area, to obtain ultrasound echo signal/data.Processor
103 pairs of ultrasound echo signal/data are handled, to obtain the tissue relevant parameter and ultrasound image of target area.Processing
The ultrasound image that device 103 obtains can store in memory 105, these ultrasound images can be shown on display 104.
In the embodiment of the present application, the display 104 of supersonic imaging apparatus 10 above-mentioned can be touch display screen, liquid crystal display
Screen etc., be also possible to can also be independently of separate display devices such as liquid crystal display, television sets except supersonic imaging apparatus 10
Display screen on the electronic equipments such as mobile phone, tablet computer.
In the embodiment of the present application, the memory 105 of supersonic imaging apparatus 10 above-mentioned can for flash card, solid-state memory,
Hard disk etc..
The embodiment of the present application also provides a kind of computer readable storage medium, which has more
Bar program instruction, which is called by processor 103 execute after, the shearing in each embodiment of the application can be performed
Any combination of part steps or Overall Steps or in which step in wave elastogram.
In one embodiment, which can be memory 105, can be flash card, solid-state is deposited
The non-volatile memory mediums such as reservoir, hard disk.
In the embodiment of the present application, the processor 103 of supersonic imaging apparatus 10 above-mentioned can pass through software, hardware, firmware
Or a combination thereof realize, circuit, single or multiple specific integrated circuits (application specific can be used
Integrated circuits, ASIC), it is single or multiple universal integrated circuits, single or multiple microprocessors, single or more
The combination of a programmable logic device or aforementioned circuit or device or other suitable circuits or device, so that should
Processor 103 can execute the corresponding steps of the ultrasonic imaging method in foregoing individual embodiments.
The ultrasonic imaging method in the application is described in detail below, referring to Fig. 2, super in the embodiment of the present application
Acoustic imaging method includes:
Step S202 is emitted the first ultrasonic wave to the target area of measurand, is propagated in the target area with tracking
Shearing wave；The ultrasonic echo of first ultrasonic wave returned from the target area is received to obtain the first echo data.
Processor 103 in supersonic imaging apparatus 10 controls transmitting/reception sequence controller 102 and motivates ultrasonic probe 100
Emit the first ultrasonic wave to the target area of measurand, to track the shearing wave propagated in target area, and receive from
The ultrasonic echo for the first ultrasonic wave that target area returns is to obtain the first echo data.
Above-mentioned target area can be tissue site.Transmitting/reception sequence controller 102 can motivate ultrasonic probe 100
Emit ultrasonic wave to target area, ultrasonic probe 100 can also be controlled and receive the ultrasonic echo returned from target area, to obtain
Obtain ultrasound echo signal/data.When transmitting/reception sequence controller 102 motivates target area of the ultrasonic probe 100 to measurand
After domain emits the first ultrasonic wave, the shearing wave propagated in target area is tracked by above-mentioned first ultrasonic wave.
Wherein, the producing method of shearing wave can refer to as described below.In one embodiment, shearing wave can use external vibration
Movable property is raw, such as generates the tissue deep that shearing wave is passed to target area using external vibration.Or it also can use ultrasonic arteries and veins
It rushes organization internal of the acoustic radiation force effect in target area and generates shearing wave；Or the tissue that also can use in measurand is raw
Reason movement (for example, heartbeat, vascular pulsation etc.) generates shearing wave；Etc., it is not described in detail herein.This specification is only
Ultrasonic shear wave elastogram of the citing summary based on acoustic radiation force.
With the ultrasonic shear wave elastogram of acoustic radiation force, the shearing wave propagated in the target area can be by this implementation
The transmitting of example/reception sequence controller motivates ultrasonic probe to one specific waveforms of tissue emissions, length, the ultrasound of specific frequency
Pulse, which can generate acoustic radiation force effect in portion within the organization, and then generates shearing wave and propagate in the tissue.Then to
A series of ultrasonic waves of the tissue emissions are used for the communication process of the above-mentioned shearing wave of tracing detection in the tissue.Other can also be passed through
Ultrasonic pulse of the ultrasonic device to tissue emissions one specific waveforms, length, specific frequency is generated based on the ultrasonic pulse
Acoustic radiation force effect can equally reach identical effect.
Processor 103 in supersonic imaging apparatus 10 controls transmitting/reception sequence controller 102 and motivates ultrasonic probe 100
After emitting the first ultrasonic wave to the target area of measurand, ultrasound is further controlled by transmitting/reception sequence controller 102
Probe 100 receives the ultrasonic echo of the first ultrasonic wave returned from target area to obtain the first echo data.
Step S204 determines the elastic parameter of the target area according to first echo data, and elastic parameter characterization should
The hardness of target area.
Above-mentioned processor 103 determines that the elastic parameter of target area, elastic parameter characterize target according to the first echo data
The hardness in region.
Processor 103 determines the elastic parameter of target area according to the data after getting the first echo data, leads to
Crossing the elastic parameter will be seen that the degree of hepatic fibrosis-renal tubular ectasia syndrome, that is, the hardness of above-mentioned target area.Hepatic fibrosis-renal tubular ectasia syndrome is to face
One of common hepatopathy of bed, in order to which the liver to measurand has a comprehensive understanding, it is also necessary to detect its liver fat lesion journey
Degree, is realized especially by following step.
Step S206 obtains the acoustic attenuation parameter of the target area, the fat of the acoustic attenuation parameter characterization target area
Degree.
Above-mentioned processor 103 obtains the acoustic attenuation parameter of target area, the fatty journey of acoustic attenuation parameter characterization target area
Degree.
Processor 103 further obtains the acoustic attenuation parameter of target area, specifically, obtaining the acoustic attenuation ginseng of target area
There are two types of implementations for several processes:
The first is realized by following steps:
(1) above-mentioned processor 103 controls transmitting/excitation ultrasonic probe 100 of reception sequence controller 102 to measurand
Target area emits the second ultrasonic wave, and receives the ultrasonic echo of the second ultrasonic wave returned from target area to obtain second
Echo data.
(2) above-mentioned processor 103 determines the acoustic attenuation parameter of target area according to the second echo data.
The realization principle of above-mentioned two step is with above-mentioned steps S202 and step S204, and details are not described herein.Pass through acquisition
Acoustic attenuation parameter will be seen that the fattyization degree of measurand liver.
Second pass through following steps realize:
Above-mentioned processor 103 determines the acoustic attenuation parameter of target area according to the first echo data.
In specific implementation, above-mentioned processor 103 after getting the first echo data, can also further according to this first
Echo data determines the acoustic attenuation parameter of target area, to understand the liver fat situation of measurand.This mode
It has been multiplexed the echo data of elastogram.
Step S208 shows the elastic parameter and the acoustic attenuation parameter.
Above-mentioned processor 103 controls the display 104 in supersonic imaging apparatus 10 and shows elastic parameter harmony attenuation parameter.
The acoustic attenuation of the elastic parameter and characterization liver fat degree of characterization liver hardness is got respectively in processor 103
After parameter, further both data are shown by display 104, there are many forms for specific display mode, such as:
Box-shaped figure, double ordinate of orthogonal axes figures etc., enable doctor to obtain the testing result of two indices simultaneously, carry out diagnosing hepatism for doctor
It is provided a great convenience with research.The mode of display can be elastic parameter harmony attenuation parameter while show, can also separate
Display.In the case where showing simultaneously, it can be shown on the same coordinate system, the form of expression of specific coordinate system is not limited to list
The expression of coordinate or double coordinates, transverse and longitudinal axial coordinate can also exchange, herein with no restrictions.
In a possible embodiment, display elastic parameter process specifically includes following steps, shown in Figure 3:
Step S302 determines the elasticity of the target area according to the corresponding relationship of color indicating regions and elastic parameter range
Color of object identified areas belonging to parameter.
Above-mentioned processor 103 determines the bullet of target area according to the corresponding relationship of color indicating regions and elastic parameter range
Color of object identified areas belonging to property parameter.
In processor 103, the corresponding relationship of color indicating regions and elastic parameter range, processor can be previously stored with
103 can find the color of object identified areas to match with the elastic parameter of target area according to above-mentioned corresponding relationship, such as:
Red area, orange areas, yellow area etc..
Step S304 shows the elastic parameter of the target area in the color of object identified areas.
Above-mentioned processor 103 controls aforementioned display device 104 in the elasticity ginseng in color of object identified areas displaying target region
Number.
After the color of object identified areas for determining to match with the elastic parameter of target area, pass through display 104
The elastic parameter of target area is shown in color of object identified areas.
In another possible embodiment, display acoustic attenuation parametric procedure specifically includes following steps, referring to fig. 4 institute
Show:
Step S402 determines the sound of the target area according to the corresponding relationship of color indicating regions and acoustic attenuation parameter area
Color of object identified areas belonging to attenuation parameter.
Above-mentioned processor 103 determines target area according to the corresponding relationship of color indicating regions and acoustic attenuation parameter area
Color of object identified areas belonging to acoustic attenuation parameter.
Step S404 shows the acoustic attenuation parameter of the target area in the color of object identified areas.
Above-mentioned processor 103 controls aforementioned display device 104 in the acoustic attenuation in color of object identified areas displaying target region
Parameter.
The display process that the display process of above-mentioned acoustic attenuation parameter can refer to above-mentioned elastic parameter understood, herein no longer
It repeats.
In one embodiment, the display mode of the elastic parameter can also show in the following way:
Coordinate system is established, which includes the first reference axis, which can indicate elastic parameter (below with word
Female E indicates elastic parameter)；First reference axis can be axis of abscissas, be also possible to axis of ordinates, herein with no restrictions.
According to the corresponding relationship of color indicating regions and elastic parameter range, multiple color marks are shown along first reference axis
Know region.Such as display of the elastic parameter range in the section E1 is green, the display yellow in the section E2~E4, in the section E5~E8
Be displayed in red, be also possible to the differentiation of other colors, herein with no restrictions.
The elastic parameter of the target area is shown along first reference axis.Specifically, can be edge and first reference axis
Vertical direction successively shows multiple elastic parameters of the target area repeatedly obtained.For the elastic parameter acquired every time, with
The coordinate system is reference data, is sequentially displayed on the coordinate system.
In one embodiment, the display mode of the acoustic attenuation parameter can also show in the following way:
Establish coordinate system, the coordinate system include the second reference axis, second reference axis can indicate acoustic attenuation parameter (below with
Alphabetical LAA indicates acoustic attenuation parameter)；Second reference axis can be axis of abscissas, be also possible to axis of ordinates, second coordinate
Axis can be coaxial with above-mentioned first reference axis, can also be not coaxial, can be the form of double ordinates in the case where not coaxial, this
Place is with no restrictions.
According to the corresponding relationship of color indicating regions and acoustic attenuation parameter area, multiple colors are shown along second reference axis
Identified areas；Such as display of the acoustic attenuation parameter area in the section LAA1 is green, the display yellow in the section LAA2, in the area LAA3
Between be displayed in red, be also possible to the differentiation of other colors, herein with no restrictions.
The acoustic attenuation parameter of the target area is shown along second reference axis.Specifically, can be edge and second coordinate
The vertical direction of axis successively shows multiple acoustic attenuation parameters of the target area repeatedly obtained.For the acoustic attenuation ginseng acquired every time
Number, using the coordinate system as reference data, is sequentially displayed on the coordinate system.
The display mode of above-mentioned color indicating regions can be according to different elastic parameter harmony attenuation parameters using different
Color distinguish, it is more intuitive clear.Fig. 5 and Fig. 6 respectively illustrates a kind of colour grating figure, for different classifications,
By taking liver as an example, the hardness level and liver fat degree of cirrhosis can be characterized.For example, Fig. 5 is hepatitis B colour grating figure,
Fig. 6 is fatty liver colour grating figure.
In Fig. 5, E1~E7 is the specific classification numerical value of ordinate E (Young's modulus), and abscissa is the acquisition of multiple data
As a result.Furthermore it is also possible to generate a box-shaped figure simultaneously using box-shaped figure generation module in the figure, carried out in the side of the figure
Show (not shown).
The figure from top to bottom successively using dark green, light green, yellowish green, yellow, orange, azarin, it is dark red come indicate cirrhosis or
Fat becomes severity from low to high.Hierarchical level and specifically used color are only to illustrate herein, with specific illness, document knot
By unrelated.In fatty liver colour grating figure shown in Fig. 6, from top to bottom successively using traffic lights color (green, yellow,
It is red) indicate that liver fat becomes severity from low to high.Hierarchical level and specifically used color are only to illustrate herein.
The ultrasonic imaging method is suitble to the classification of all numerical value continuous type testing results to use, and is especially classified more relatively thin
Or numerical value is that non-integer etc. is difficult to the index application remembered, and the work of doctor is made more to concentrate one's energy to make in scanning and analysis image
With suitable tool auxiliary diagnosis, reduce or remit because of mistaken diagnosis caused by remembering or slipping, the favorable image being maintained in face of patient avoids
Unnecessary Doctor-patient conflicts.
In order to advanced optimize data display effect, above-mentioned display process can also include following manner:
Display for liver hardness: above-mentioned processor 103 controls aforementioned display device 104 and uses rectangular coordinate system and box-shaped
The distribution of the elastic parameter in figure displaying target region；Wherein, color of object identified areas is distributed in rectangular coordinate system,
In rectangular coordinate system, the elastic parameter of target area uses the first pictorial symbolization.
Display for liver fat degree: using the acoustic attenuation parameter of rectangular coordinate system and box-shaped figure displaying target region
Distribution；Wherein, color of object identified areas is distributed in rectangular coordinate system, in rectangular coordinate system, target area
Acoustic attenuation parameter is marked using second graph.
The forms such as rectangular, round or target center label can be used in above-mentioned first pictorial symbolization and second graph label, specifically
With no restrictions.
Above-mentioned elastic parameter can it is following at least one: Young's modulus, modulus of shearing and shear wave velocity.
The embodiment of the invention also provides the schematic diagrames that a kind of double ordinate of orthogonal axes add box-shaped figure, as shown in fig. 7, double longitudinal axis point
Not Wei liver elastic parameter and liver acoustic attenuation parameter, horizontal axis be acquisition liver testing result label.The setting of longitudinal axis height
Consider the maximum elastic parameter harmony attenuation parameter that current check mode is likely to occur.
For every frame image ROI (Region of Interest, area-of-interest) collection result mean value with one
Small graphical representation, represents a frame, and transaxial width is that browsable most frame numbers (related with buffer size) are arranged in system.On the longitudinal axis
Limiting (dotted line expression) is suitable actual clinical extreme cases.Upper limit value can be adjusted individually, and also linkage is adjusted.
In above-mentioned double ordinate of orthogonal axes figures, two kinds of achievement datas indicate liver elasticity ginseng in ROI in the form of data and curves
The measured value variation of number, liver acoustic attenuation parameter, facilitates doctor to select more stable measurement result.Above-mentioned data and curves can be shown
Current and passing collection result, is not limited to current one acquisition.The color of elastic curve and small figure is according to collection result
Whether effectively judge, bottom is shown in when invalid, and carry out dull gray processing, as corresponding to 6 top of horizontal axis labels in Fig. 7
Two small figures, in addition, the pattern that above-mentioned small figure can take various forms, the horizontal line being not limited solely in Fig. 7 pass through
The shape of dot.
In above-mentioned double ordinate of orthogonal axes figures, the data of two indices can be shown simultaneously, with good stability, and
The color mark to differ greatly can be used in figure.For example, liver elastic parameter data is shown with yellow, liver acoustic attenuation parameter
It is shown with blue.
In addition, the two sides in above-mentioned double ordinate of orthogonal axes figures are added to box-shaped figure respectively, the box-shaped figure on the left side corresponds to liver
The box-shaped figure of dirty elastic parameter data, the right corresponds to liver acoustic attenuation supplemental characteristic.The addition of two box-shaped figures is so that liver
Data distribution in the entire scope of testing result can be very clear.
Check that the data for oneself needing to pay close attention to, the embodiment of the present invention also provide a kind of human-computer interaction side in order to facilitate doctor
Formula, specific interactive process is referring to shown in Fig. 8 and Fig. 9:
Step S802 detects the first operation to first pictorial symbolization.
First operation of the above-mentioned detection of processor 103 to the first pictorial symbolization.
Step S804 responds first operation, to show the elastic parameter information of the target area.
Above-mentioned first operation of the response of processor 103, to control the elastic parameter letter in 104 displaying target region of aforementioned display device
Breath, elastic parameter information includes hardness level, at least one of the numerical value of elastic parameter and hardness prompt information.For example, aobvious
Show the corresponding liver hardness level of the elastic parameter perhaps the numerical value (unit K pa) of elastic parameter or prompt hardness it is serious,
It is slight etc..
Step S902 detects the second operation marked to the second graph.
The second operation that the above-mentioned detection of processor 103 marks second graph.
Step S904 responds second operation, to show the acoustic attenuation parameter information of the target area.
Above-mentioned second operation of the response of processor 103, to control the acoustic attenuation parameter in 104 displaying target region of aforementioned display device
Information, acoustic attenuation parameter information include fatty intensity grade, in the numerical value of acoustic attenuation parameter and fatty degree prompt information extremely
It is one few.For example, showing numerical value (the unit DB/ of the corresponding fatty liver degree rank of the acoustic attenuation parameter or acoustic attenuation parameter
M), or prompt fatty liver is serious, slight etc..
In above-mentioned interactive process, the first operation and the second operation can be click, touch, key, mouse suspension etc..
Above-mentioned ultrasonic imaging method can also be used for the display of multiple checks result trend, such as follow-up examination, treatment simultaneously
Front and back compares, repeatedly follow-up etc. in treatment cycle.The result checked every time is " x ", indicates that single checks the numerical value of all acquisitions
Average value.When having enough display spaces in display 104, above-mentioned double ordinate of orthogonal axes figures, box-shaped figure or colour grating
The specific value of each measured value can be shown in figure；When no enough display spaces, which can also pass through
Above-mentioned man-machine interaction mode supports the interactive operation of user and figure.Such as: " x " on Fig. 5 or Fig. 6 is clicked, side can be shown
Specific value etc., for another example: clicking the small angular position of green in the lower right corner Fig. 7, the switching of different frame data may be implemented, carry out
Replay browsing.The hepatic data that the man-machine interactive operation mode can greatly improve doctor tests and analyzes experience, improves its work
Efficiency.
It should be noted that other than the above-mentioned several embodiments enumerated, can also by above-mentioned multiple display modes into
The different combination of row, generates new embodiment, for example, rectangular plots and colour grating figure are combined, produces as schemed
Double longitudinal axis colour grating figures shown in 10, this embodiment increases double coordinates of uniform reference to show, user can kill two birds with one stone,
Convenient reading specific value and acquisition classification numberical range.Further, it is also possible to horizontal axis data and longitudinal axis data are exchanged, it is raw
At different coordinate diagrams, process is same as above, and details are not described herein.
In addition, the processor 103 in supersonic imaging apparatus 10, which controls transmitting/reception sequence controller 102, motivates ultrasound
Probe 100 is further comprising the steps of before emitting the first ultrasonic wave to the target area of measurand:
Generate the shearing wave propagated in target area.
Illustrating for shearing wave is generated, the content with reference to described in step S202 is understood that details are not described herein again.
The computer program product of ultrasonic imaging method and supersonic imaging apparatus provided by the embodiment of the present invention, including deposit
The computer readable storage medium of program code is stored up, the instruction which includes can be used for executing previous methods embodiment
Described in method, specific implementation can be found in embodiment of the method, details are not described herein.
It, can be with if above-mentioned function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute all or part of the steps of each embodiment method of the present invention.And it is preceding
The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it should be understood by those skilled in the art that: anyone skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to technical solution documented by previous embodiment or can readily occur in change
Change or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make relevant art
Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (30)
1. a kind of ultrasonic imaging method characterized by comprising
Emit the first ultrasonic wave to the target area of measurand, to track the shearing wave propagated in the target area；
The ultrasonic echo of first ultrasonic wave returned from the target area is received to obtain the first echo data；
Determine that the elastic parameter of the target area, the elastic parameter characterize the target area according to first echo data
The hardness in domain；
Obtain the acoustic attenuation parameter of the target area, the fatty degree of target area described in the acoustic attenuation parameter characterization；
Show the elastic parameter and the acoustic attenuation parameter.
2. the method according to claim 1, wherein the acoustic attenuation parameter packet for obtaining the target area
It includes:
Emit the second ultrasonic wave to the target area of measurand；
The ultrasonic echo of second ultrasonic wave returned from the target area is received to obtain the second echo data；
The acoustic attenuation parameter of the target area is determined according to second echo data.
3. the method according to claim 1, wherein the acoustic attenuation parameter packet for obtaining the target area
It includes:
The acoustic attenuation parameter of the target area is determined according to first echo data.
4. the method according to claim 1, wherein the display elastic parameter includes:
It is determined belonging to the elastic parameter of the target area according to the corresponding relationship of color indicating regions and elastic parameter range
Color of object identified areas；
The elastic parameter of the target area is shown in the color of object identified areas.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
The distribution of the elastic parameter of the target area is shown using rectangular coordinate system and box-shaped figure；Wherein, the target
Color indicating regions are distributed in the rectangular coordinate system, in the rectangular coordinate system, the elastic parameter of the target area
Using the first pictorial symbolization.
6. according to the method described in claim 5, it is characterized in that, the method also includes:
Detect the first operation to first pictorial symbolization；
First operation is responded, to show that the elastic parameter information of the target area, the elastic parameter information include hard
Spend grade, at least one of the numerical value of elastic parameter and hardness prompt information.
7. the method according to claim 1, wherein the display elastic parameter includes:
Coordinate system is established, the coordinate system includes the first reference axis, and first reference axis indicates elastic parameter；
According to the corresponding relationship of color indicating regions and elastic parameter range, multiple color identifiers are shown along first reference axis
Region；
The elastic parameter of the target area is shown along first reference axis.
8. the method according to the description of claim 7 is characterized in that showing the bullet of the target area along first reference axis
Property parameter include: along the direction vertical with first reference axis successively show the target area repeatedly obtained it is multiple elasticity ginseng
Number.
9. the method according to claim 1, wherein the display acoustic attenuation parameter includes:
The acoustic attenuation parameter institute of the target area is determined according to the corresponding relationship of color indicating regions and acoustic attenuation parameter area
The color of object identified areas of category；
The acoustic attenuation parameter of the target area is shown in the color of object identified areas.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
The distribution of the acoustic attenuation parameter of the target area is shown using rectangular coordinate system and box-shaped figure；Wherein, the mesh
Mark color indicating regions are distributed in the rectangular coordinate system, in the rectangular coordinate system, the acoustic attenuation of the target area
Parameter is marked using second graph.
11. according to the method described in claim 10, it is characterized in that, the method also includes:
Detect the second operation marked to the second graph；
Second operation is responded, to show the acoustic attenuation parameter information of the target area, the acoustic attenuation parameter information packet
Include fatty intensity grade, at least one of the numerical value of acoustic attenuation parameter and fatty degree prompt information.
12. the method according to claim 1, wherein the display acoustic attenuation parameter includes:
Coordinate system is established, the coordinate system includes the second reference axis, and second reference axis indicates acoustic attenuation parameter；
According to the corresponding relationship of color indicating regions and acoustic attenuation parameter area, multiple color marks are shown along second reference axis
Know region；
The acoustic attenuation parameter of the target area is shown along second reference axis.
13. according to the method for claim 12, which is characterized in that show the target area along second reference axis
Acoustic attenuation parameter includes: multiple sound that the target area repeatedly obtained is successively shown along the direction vertical with second reference axis
Attenuation parameter.
14. according to claim 1 to 13 described in any item methods, which is characterized in that the elastic parameter include it is following at least
One: Young's modulus, modulus of shearing and shear wave velocity.
15. according to claim 1 to 13 described in any item methods, which is characterized in that described to show the elastic parameter and institute
Stating acoustic attenuation parameter includes:
The distribution of the elastic parameter and the acoustic attenuation parameter is shown simultaneously.
16. a kind of supersonic imaging apparatus characterized by comprising
Ultrasonic probe；
Transmitting/reception sequence controller, the transmitting/reception sequence controller motivate mesh of the ultrasonic probe to measurand
The first ultrasonic wave of field emission is marked, to track the shearing wave propagated in the target area；And it receives from the target area
The ultrasonic echo for first ultrasonic wave that domain returns is to obtain the first echo data；
Processor, the processor determine the elastic parameter of the target area according to first echo data；And it obtains
The acoustic attenuation parameter of the target area；The elastic parameter characterizes the hardness of the target area, the acoustic attenuation parameter list
Levy the fatty degree of the target area；
Display, the display show the elastic parameter and the acoustic attenuation parameter.
17. supersonic imaging apparatus according to claim 16, which is characterized in that the processor obtains the target area
Acoustic attenuation parameter include:
The processor control transmitting/reception sequence controller motivates the ultrasonic probe to emit to the target area of measurand
Second ultrasonic wave, and the ultrasonic echo of second ultrasonic wave returned from the target area is received to obtain the second echo
Data；
The processor determines the acoustic attenuation parameter of the target area according to second echo data.
18. supersonic imaging apparatus according to claim 16, which is characterized in that the processor obtains the target area
Acoustic attenuation parameter include:
The processor determines the acoustic attenuation parameter of the target area according to first echo data.
19. supersonic imaging apparatus according to claim 16, which is characterized in that it is aobvious that the processor controls the display
Show that the elastic parameter includes:
The processor determines the elasticity of the target area according to the corresponding relationship of color indicating regions and elastic parameter range
Color of object identified areas belonging to parameter；
The processor controls the elastic parameter that the display shows the target area in the color of object identified areas.
20. supersonic imaging apparatus according to claim 19, which is characterized in that
The processor controls the elastic parameter that the display shows the target area using rectangular coordinate system and box-shaped figure
Distribution；Wherein, the color of object identified areas is distributed in the rectangular coordinate system, in the rectangular coordinate system
In, the elastic parameter of the target area uses the first pictorial symbolization.
21. supersonic imaging apparatus according to claim 20, which is characterized in that
First operation of the processor detection to first pictorial symbolization；
First operation described in the processor response, to control the elastic parameter letter that the display shows the target area
Breath, the elastic parameter information includes hardness level, at least one of the numerical value of elastic parameter and hardness prompt information.
22. supersonic imaging apparatus according to claim 16, which is characterized in that the display shows the elastic parameter
Include:
The processor establishes coordinate system, and the coordinate system includes the first reference axis, and first reference axis indicates elastic parameter；
The processor is shown more according to the corresponding relationship of color indicating regions and elastic parameter range along first reference axis
A color indicating regions；
The processor controls the elastic parameter that the display shows the target area along first reference axis.
23. supersonic imaging apparatus according to claim 22, which is characterized in that the processor controls the display edge
First reference axis shows that the elastic parameter of the target area includes: that handled device controls the display along with described the
The vertical direction of one reference axis successively shows multiple elastic parameters of the target area repeatedly obtained.
24. supersonic imaging apparatus according to claim 16, which is characterized in that the display shows the acoustic attenuation ginseng
Number includes:
The processor determines the sound of the target area according to the corresponding relationship of color indicating regions and acoustic attenuation parameter area
Color of object identified areas belonging to attenuation parameter；
The processor controls the acoustic attenuation ginseng that the display shows the target area in the color of object identified areas
Number.
25. supersonic imaging apparatus according to claim 24, which is characterized in that
The processor controls the acoustic attenuation ginseng that the display shows the target area using rectangular coordinate system and box-shaped figure
Several distributions；Wherein, the color of object identified areas is distributed in the rectangular coordinate system, in the rectangular coordinate system
In, the acoustic attenuation parameter of the target area is marked using second graph.
26. supersonic imaging apparatus according to claim 25, which is characterized in that
The second operation that the processor detection marks the second graph；
Second operation described in the processor response, to control the acoustic attenuation parameter letter that the display shows the target area
Breath, the acoustic attenuation parameter information include fatty intensity grade, in the numerical value of acoustic attenuation parameter and fatty degree prompt information
At least one.
27. supersonic imaging apparatus according to claim 16, which is characterized in that the display shows the acoustic attenuation ginseng
Number includes:
The processor establishes coordinate system, and the coordinate system includes the second reference axis, and second reference axis indicates acoustic attenuation ginseng
Number；
The processor is shown according to the corresponding relationship of color indicating regions and acoustic attenuation parameter area along second reference axis
Multiple color indicating regions；
The processor controls the acoustic attenuation parameter that the display shows the target area along second reference axis.
28. supersonic imaging apparatus according to claim 27, which is characterized in that the processor controls the display edge
Second reference axis shows that the acoustic attenuation parameter of the target area includes: that the processor controls the display edge and institute
State multiple acoustic attenuation parameters that the vertical direction of the second reference axis successively shows the target area repeatedly obtained.
29. 6 to 28 described in any item supersonic imaging apparatus according to claim 1, which is characterized in that the elastic parameter includes
It is following at least one: Young's modulus, modulus of shearing and shear wave velocity.
30. 6 to 28 described in any item supersonic imaging apparatus according to claim 1, which is characterized in that the display shows institute
It states elastic parameter and the acoustic attenuation parameter includes:
The display shows the distribution of the elastic parameter and the acoustic attenuation parameter simultaneously.
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