CN109875609A - The measuring device and method of mechanics of muscle parameter, elastograph imaging method - Google Patents
The measuring device and method of mechanics of muscle parameter, elastograph imaging method Download PDFInfo
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Abstract
This application involves a kind of measuring device of mechanics of muscle parameter, which includes: Drive assembly, the linear array ultrasound energy converter including at least two directions, the pulse signal for the transmitting focusing inside muscle；Ultrasonic imaging component is connect with the Drive assembly, is carried out ultrasonic imaging for the shearing wave to the pulse signal in the muscle internal motivation, is obtained ultrasonic imaging sequence；Processor is connect with the ultrasonic imaging component, is analyzed for obtaining the ultrasonic imaging sequence, and to the ultrasonic image sequence, and the corresponding mechanics parameter of the muscle both direction is obtained.Since Drive assembly includes the linear array ultrasound energy converter at least two directions, so that operator is not necessarily to that the measurement direction and measurement position of Drive assembly is varied multiple times, it is easy to operate, reduce manual operation bring measurement error, guarantees the measurement accuracy of mechanics of muscle parameter.The application further relates to the measurement method and elastograph imaging method of a kind of mechanics of muscle parameter.
Description
Technical field
This application involves elastography fields, measuring device and side more particularly to a kind of mechanics of muscle parameter
Method, elastograph imaging method.
Background technique
Ultrasonic elastograph imaging method is a kind of emerging imaging method.This method passes through probe transmitting focusing ultrasound acoustic beam,
Acoustic radiation force can be applied in focal point, and then excite shearing wave in tissue.Using probe it can be observed that shearing wave
The communication process in portion within the organization, and measure the speed of shearing wave propagation, wherein the speed that shearing wave is propagated is able to reflect tissue
The size of modulus of shearing.This method has the characteristics that noninvasive, quick, measurable local mechanical property, in disorder in screening, physical examination etc.
Aspect is expected to play a significant role.
For example, skeletal muscle is the most important locomotive organ of human body, mainly it is made of the myocyte of threadiness.From amechanical angle
From the point of view of, muscle can be regarded as typical tranversely isotropic material, as shown in Figure 1.It is each that Fig. 1 shows incompressible horizontal sight
To isotropic material, there are three mechanics parameters: the modulus of shearing μ in 2-3 planeT, modulus of shearing μ in 1-3 planeLAnd 1 side
To stretch modulus EL.In recent years, due to the introducing of ultrasonic elastograph imaging method, people are expected to carry out these three parameters noninvasive
Quickly characterized in body.
However, in the measurement process of traditional mechanics of muscle parameter, due to muscle around mechanical environment and
The influence of certain manual operations in practical operation, only μLMeasurement effect it is preferable, μTMeasurement error it is larger.Therefore, how
More accurately mechanics of muscle parameter is measured, becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
Based on this, it is necessary to be asked for the above-mentioned technology how more accurately to be measured to mechanics of muscle parameter
Topic, provides the measuring device and method, elastograph imaging method of a kind of mechanics of muscle parameter.
A kind of measuring device of mechanics of muscle parameter, described device include:
Drive assembly, the linear array ultrasound energy converter including at least two directions, for the transmitting focusing inside muscle
Pulse signal, wherein the linear array ultrasound energy converter at least two direction is arranged in a crossed manner；
Ultrasonic imaging component is connect with the Drive assembly, is used for the pulse signal in the muscle internal motivation
Shearing wave carry out ultrasonic imaging, obtain ultrasonic imaging sequence；
Processor is connect with the ultrasonic imaging component, is schemed for obtaining the ultrasonic imaging sequence, and to the ultrasound
As sequence is analyzed, the corresponding mechanics parameter of the muscle both direction is obtained.
The linear array ultrasound energy converter at least two direction is arranged in a crossed manner in one of the embodiments, and is formed
Crosspoint, the linear array ultrasound energy converter at least two direction are symmetrical arranged respectively with the crosspoint.
The Drive assembly includes first direction linear array ultrasound energy converter and second party in one of the embodiments,
To linear array ultrasound energy converter, the first direction linear array ultrasound energy converter and the second direction linear array ultrasound
Angle between energy converter is 90 degree.
The Drive assembly further includes third direction linear array ultrasound energy converter in one of the embodiments, described
Angle between first direction linear array ultrasound energy converter and the third direction linear array ultrasound energy converter is 45 degree.
The Drive assembly further includes fourth direction linear array ultrasound energy converter in one of the embodiments, described
Angle between first direction linear array ultrasound energy converter and the fourth direction linear array ultrasound energy converter is 135 degree.
The linear array ultrasound energy converter at least two direction constitutes square structure in one of the embodiments,.
A kind of measurement method of mechanics of muscle parameter, the method is applied to the measuring device of mechanics of muscle parameter, described
Device includes Drive assembly, ultrasonic imaging component and processor, and the Drive assembly includes the linear battle array at least two directions
Column ultrasonic transducer；
The described method includes:
When determining that the Drive assembly is aligned with muscle fibre direction, Drive assembly transmitting focusing inside muscle
Pulse signal；
Shearing wave of the ultrasonic imaging component to the pulse signal in the muscle internal motivation carries out ultrasonic imaging, obtains
Ultrasonic imaging sequence；
Processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the muscle
The corresponding mechanics parameter of both direction.
The Drive assembly includes first direction linear array ultrasound energy converter and second party in one of the embodiments,
To linear array ultrasound energy converter, the first direction linear array ultrasound energy converter and the second direction linear array ultrasound
Angle between energy converter is 90 degree；
The method also includes:
The processor obtain the corresponding first muscle ultrasound image of the first direction linear array ultrasound energy converter and
The corresponding second muscle ultrasound image of the second direction linear array ultrasound energy converter；
The processor identifies the first length of muscle fibre in the first muscle ultrasound image and respectively in institute
State the second length that the muscle fibre is identified in the second muscle ultrasound image；
It is described if the difference of first length and second length meets preset maximum length difference condition
Processor determines that the Drive assembly is aligned with the muscle fibre direction.
In one of the embodiments, ultrasonic imaging component to the pulse signal the muscle internal motivation shearing
Wave carries out ultrasonic imaging, obtains ultrasonic imaging sequence, comprising:
The linear array ultrasound energy converter at least two direction emits according to preset imaging sequence to the muscle
Ultrasonic signal, and receive the ultrasound echo signal of the muscle reflection；The ultrasound echo signal carries the intramuscular
The propagation information of the shearing wave of portion's excitation；
The ultrasonic imaging component obtains the ultrasound echo signal, and according to the ultrasound echo signal carry out ultrasound at
Picture obtains ultrasonic imaging sequence.
The preset imaging sequence includes that the linear array at least two direction is super in one of the embodiments,
Sonic transducer successively emits ultrasonic signal in the direction of the clock or counterclockwise.
The processor obtains the ultrasonic imaging sequence in one of the embodiments, and to the ultrasound image sequence
Column are analyzed, and the corresponding mechanics parameter of the muscle both direction is obtained, comprising:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains described
Drive assembly is in the shear wave velocity of the first direction, the Drive assembly in the shear wave velocity of the second direction and described
The angle of first direction and the muscle fibre direction；
The processor is to the Drive assembly in the shear wave velocity of the first direction, the Drive assembly described
The shear wave velocity in two directions and the first direction and the angle in the muscle fibre direction are calculated, and the muscle two is obtained
The corresponding mechanics parameter in a direction.
The Drive assembly further includes third direction linear array ultrasound energy converter in one of the embodiments, described
Angle between first direction linear array ultrasound energy converter and the third direction linear array ultrasound energy converter is 45 degree；
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains described
The corresponding mechanics parameter of muscle both direction, comprising:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains described
Drive assembly is in the shear wave velocity of the first direction, the Drive assembly in the shear wave velocity of the second direction and described
Shear wave velocity of the Drive assembly in the third direction；
The processor is to the Drive assembly in the shear wave velocity of the first direction, the Drive assembly described
The shear wave velocity in two directions and the Drive assembly are calculated in the shear wave velocity of the third direction, obtain the muscle
The corresponding mechanics parameter of both direction.
The Drive assembly further includes fourth direction linear array ultrasound energy converter in one of the embodiments, described
Angle between first direction linear array ultrasound energy converter and the fourth direction linear array ultrasound energy converter is 135 degree；
The method also includes:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains described
Shear wave velocity of the Drive assembly in the fourth direction；
The processor is using the shear wave velocity of the fourth direction to the corresponding mechanics parameter of the muscle both direction
It is checked, if checking error is less than preset threshold, exports the corresponding mechanics parameter of the muscle both direction.
A kind of elastograph imaging method, the measurement method including any of the above-described mechanics of muscle parameter, it is described elasticity at
Image space method further include:
The corresponding mechanics parameter of the muscle both direction is mapped to the ultrasound of the muscle by the ultrasonic imaging component
In image, the corresponding elastogram image of the muscle is obtained.
The measuring device and method, elastograph imaging method of above-mentioned mechanics of muscle parameter, since Drive assembly includes at least two
The linear array ultrasound energy converter in a direction, so that operator is not necessarily to that the measurement direction of Drive assembly and measurement position is varied multiple times
It sets, it is easy to operate, reduce manual operation bring measurement error, guarantees the measurement accuracy of mechanics of muscle parameter.Also, it is every
The linear array ultrasound energy converter in a direction, which can correspond to, obtains one group of ultrasonic imaging sequence, from different ultrasonic imaging sequences
Corresponding shear wave velocity determines the anisotropy mechanics parameter of muscle, can disposably obtain muscle anisotropy mechanics ginseng
Two mechanics parameters in number, to guarantee the stability and accuracy of muscle anisotropy mechanics parameter to the maximum extent.
Detailed description of the invention
Fig. 1 is the schematic diagram of three mechanics parameters existing for incompressible tranversely isotropic material；
Fig. 2 is the corresponding structure chart of difference Drive assembly in one embodiment；
Fig. 3 is the flow diagram of the measurement method of mechanics of muscle parameter in one embodiment；
Fig. 4 determines Drive assembly and muscle fibre according to different muscle ultrasound images for processor in one embodiment automatically
The flow diagram of direction alignment；
Fig. 5 is the flow diagram that the additional project of ultrasonic imaging sequence is obtained in one embodiment；
Fig. 6 is the imaging sequence figure of the linear array ultrasound energy converter at least two directions in Fig. 2；
Fig. 7 is the process signal for the additional project that the corresponding mechanics parameter of muscle both direction is obtained in one embodiment
Figure.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, a kind of measuring device of mechanics of muscle parameter is provided, which includes Drive assembly, surpasses
Acoustic imaging component and processor, wherein
Drive assembly, the linear array ultrasound energy converter 102 including at least two directions, for poly- in muscle internal emission
Burnt pulse signal, wherein the linear array ultrasound energy converter 102 at least two directions is arranged in a crossed manner；
Ultrasonic imaging component, connect with Drive assembly, carries out for the shearing wave to pulse signal in muscle internal motivation
Ultrasonic imaging obtains ultrasonic imaging sequence；
Processor is connect with ultrasonic imaging component, is divided for obtaining ultrasonic imaging sequence, and to ultrasonic image sequence
Analysis, obtains the corresponding mechanics parameter of muscle both direction.
Specifically, referring to Fig. 2, linear array ultrasound energy converter 102 refers to that multiple ultrasonic transducers are arranged with linear structure
Column.The linear array ultrasound energy converter 102 in each direction includes at least 32 ultrasonic transducers, to guarantee that linear array ultrasound changes
It can the enough signals for measuring shearing wave of device 102.Each linear array ultrasound energy converter 102, which increases ultrasonic transducer quantity, to be mentioned
The precision of high measurement, and reduce ultrasonic transducer quantity and then advantageously reduce cost.Therefore, the specific number of ultrasonic transducer quantity
Amount can be set according to budget, measurement request.Optionally, the linear array ultrasound energy converter 102 at least two directions is handed over
Fork is arranged and is formed crosspoint, and the linear array ultrasound energy converter 102 at least two directions is symmetrical arranged respectively with the crosspoint,
It is appreciated that the crosspoint is the center of Drive assembly.It is to be understood that the center frequency of the center of Drive assembly
Rate is between 4~25MHz.
More specifically, Drive assembly further includes long pulse electronic building brick, linear array ultrasound energy converter 102 can be made to send out
The long pulse signal of focusing is penetrated, to go out shearing wave in musculature internal excitation.It need to will be clear that the long pulse electronic building brick is answered
Linear array ultrasound transducer 102 can be supported to emit the long pulse of 800-1200 whole waves.Ultrasonic imaging component further includes using
In the storage equipment of storing data, data path and display screen for showing ultrasonic image.Ultrasonic imaging component needs energy
It is enough that high speed imaging is carried out to Drive assembly lower section at least frame frequency of 1000Hz or more, so that the propagation to shearing wave is supervised
It surveys.Processor carries out the measurement of the identification in muscle fibre direction, shear wave velocity in combination with the ultrasound image that ultrasonic imaging component obtains
Etc..
The measuring device of above-mentioned mechanics of muscle parameter, since Drive assembly includes the linear array ultrasound at least two directions
Energy converter, so that operator is not necessarily to that the measurement direction and measurement position of Drive assembly is varied multiple times, it is easy to operate, reduce people
To operate bring measurement error, guarantee the measurement accuracy of mechanics of muscle parameter.Also, the linear array ultrasound in each direction
Energy converter, which can correspond to, obtains one group of ultrasonic imaging sequence, determines from the different corresponding shear wave velocities of ultrasonic imaging sequence
The anisotropy mechanics parameter of muscle can disposably obtain two mechanics parameters in muscle anisotropy mechanics parameter,
To guarantee the stability and accuracy of muscle anisotropy mechanics parameter to the maximum extent.
In one embodiment, the Drive assembly includes first direction linear array ultrasound energy converter and second direction line
Property array ultrasound transducer, the first direction linear array ultrasound energy converter and the second direction linear array ultrasound transducing
Angle between device is 90 degree.Optionally, in one embodiment, first direction linear array ultrasound energy converter and second direction
Linear array ultrasound energy converter is L-shaped.
Specifically, since the corresponding mechanics parameter of muscle anisotropy is mutually perpendicular to, by first direction linear array
Ultrasonic transducer and second direction linear array ultrasound energy converter are arranged to vertical structure, can be simultaneously to the power of muscle both direction
It learns parameter to measure, is not necessarily to operator's each direction manual measurement anisotropic to muscle respectively, reduce artificial
The measurement of operation is made mistakes, and the measurement accuracy of mechanics of muscle parameter is further improved.
More specifically, in the present embodiment, the measurement method of mechanics parameter specifically: processor obtains ultrasonic imaging sequence,
And ultrasonic image sequence is analyzed, Drive assembly shear wave velocity in a first direction, Drive assembly are obtained in second direction
Shear wave velocity and first direction and muscle fibre direction angle；Shearing wave of the processor to Drive assembly in a first direction
Speed, Drive assembly are calculated in the shear wave velocity and first direction and the angle in muscle fibre direction of second direction, obtain flesh
The corresponding mechanics parameter of meat both direction.
Further, in one embodiment, the Drive assembly further includes third direction linear array ultrasound energy converter,
Angle between the first direction linear array ultrasound energy converter and the third direction linear array ultrasound energy converter is 45
Degree.
Specifically, in the present embodiment, the measurement method of mechanics parameter specifically: processor obtains ultrasonic imaging sequence, and
Ultrasonic image sequence is analyzed, obtains Drive assembly shear wave velocity in a first direction, Drive assembly in second direction
The shear wave velocity of shear wave velocity and Drive assembly in third direction；Shearing wave of the processor to Drive assembly in a first direction
Speed, Drive assembly are calculated in the shear wave velocity and Drive assembly of second direction in the shear wave velocity of third direction, are obtained
The corresponding mechanics parameter of muscle both direction.The present embodiment reduces numbers of transducers according to the actual conditions of skeletal muscle, optimization is changed
Energy device arrangement mode, can substantially reduce the overall cost of device under the premise of guaranteeing measuring device accuracy.
Further, in one embodiment, the Drive assembly further includes fourth direction linear array ultrasound transducing
Device, the angle between the first direction linear array ultrasound energy converter and the fourth direction linear array ultrasound energy converter are
135 degree.
Specifically, in the present embodiment, the measurement method of mechanics parameter specifically: processor obtains ultrasonic imaging sequence, and
Ultrasonic image sequence is analyzed, obtains Drive assembly shear wave velocity in a first direction, Drive assembly in second direction
Shear wave velocity, Drive assembly third direction shear wave velocity and Drive assembly the fourth direction shear wave velocity；Place
Reason device exists to Drive assembly shear wave velocity in a first direction, Drive assembly in the shear wave velocity and Drive assembly of second direction
The shear wave velocity of third direction is calculated, and the corresponding mechanics parameter of muscle both direction is obtained；Processor utilizes fourth direction
Shear wave velocity the corresponding mechanics parameter of muscle both direction is checked, if check error be less than preset threshold, export
The corresponding mechanics parameter of muscle both direction.The present embodiment allows the parameter using the measurement data of redundancy as Quality Control, can
Automatically filter out obvious unreasonable result.
Optionally, in one embodiment, the linear array ultrasound energy converter 102 at least two direction is constituted rectangular
Structure.
The measuring device of above-mentioned mechanics of muscle parameter, without frequently manual operation measuring device, disposably
Obtain two (μ in muscle anisotropy mechanics parameterTAnd μL).The device has real-time, quick, lossless noninvasive, operation letter
Just, many advantages, such as reliable test result.
Based on the same inventive concept, referring to Fig. 3, present invention also provides a kind of measurement method of mechanics of muscle parameter,
This method is applied to the measuring device for the mechanics of muscle parameter that above-described embodiment is related to, this method comprises:
S202, when determining that the Drive assembly is aligned with muscle fibre direction, the Drive assembly is in muscle internal emission
The pulse signal of focusing；
S204, ultrasonic imaging component to the pulse signal the muscle internal motivation shearing wave carry out ultrasound at
Picture obtains ultrasonic imaging sequence；
S206, processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains described
The corresponding mechanics parameter of muscle both direction.
Specifically, the direction of Drive assembly can be aligned by operator with muscle fibre direction manually, can also pass through excitation group
The ultrasound image for two orthogonal planes that part is passed back automatically determines the direction of muscle fibre, and automatically by the side of Drive assembly
It is aligned to muscle fibre direction.After Drive assembly is aligned with muscle fibre direction, Drive assembly applies outer source forcing to muscle.
Optionally, outer source forcing can be mechanical excitation or acoustic radiation force etc..By taking acoustic radiation force as an example, Drive assembly is to muscle inside
Specific position transmitting focusing long pulse signal, thus in musculature internal excitation shearing wave.For convenience of analysis, acoustic radiation
The focus that power focuses is located at the underface at transducer array center.Later, ultrasonic imaging component is with sufficiently high frame per second to shearing
The propagation of wave is imaged, and ultrasonic imaging sequence is obtained.Preprocessor obtain ultrasonic imaging sequence, and to ultrasonic image sequence
It is analyzed, obtains the corresponding mechanics parameter of muscle both direction.
The measurement method of above-mentioned mechanics of muscle parameter, since Drive assembly includes the linear array ultrasound at least two directions
Energy converter, so that operator is not necessarily to that the measurement direction and measurement position of Drive assembly is varied multiple times, it is easy to operate, reduce people
To operate bring measurement error, guarantee the measurement accuracy of mechanics of muscle parameter.Also, the linear array ultrasound in each direction
Energy converter, which can correspond to, obtains one group of ultrasonic imaging sequence, determines from the different corresponding shear wave velocities of ultrasonic imaging sequence
The anisotropy mechanics parameter of muscle can disposably obtain two mechanics parameters in muscle anisotropy mechanics parameter,
To guarantee the stability and accuracy of muscle anisotropy mechanics parameter to the maximum extent.
In one embodiment, referring to Figure 4 together, the Drive assembly includes first direction linear array ultrasound transducing
Device and second direction linear array ultrasound energy converter, the first direction linear array ultrasound energy converter and the second direction line
Angle between property array ultrasound transducer is 90 degree；This method is further comprising the steps of:
S212, the processor obtain the corresponding first muscle ultrasound figure of the first direction linear array ultrasound energy converter
Picture and the corresponding second muscle ultrasound image of the second direction linear array ultrasound energy converter；
S214, the processor identified in the first muscle ultrasound image respectively muscle fibre the first length and
The second length of the muscle fibre is identified in the second muscle ultrasound image；
S216, if the difference of first length and second length meets preset maximum length difference condition,
Then the processor determines that the Drive assembly is aligned with the muscle fibre direction.
Specifically, for different measuring devices, need to formulate different imaging sequences to obtain the image of high quality.It is right
The minimum requirements of imaging are as follows: be at least acquired in two mutually perpendicular directions, frame frequency in both directions cannot be low
In 1000 frames/second.
In one embodiment, referring to Fig. 5, being related to ultrasonic imaging component to the pulse signal inside the muscle
The shearing wave of excitation carries out ultrasonic imaging, obtains a kind of possible realization process of ultrasonic imaging sequence.In above-described embodiment
On the basis of, S204 the following steps are included:
S2042, the linear array ultrasound energy converter at least two direction is according to preset imaging sequence to the flesh
Meat emits ultrasonic signal, and receives the ultrasound echo signal of the muscle reflection；The ultrasound echo signal carries described
The propagation information of the shearing wave of muscle internal motivation；
S2044, the ultrasonic imaging component obtains the ultrasound echo signal, and is carried out according to the ultrasound echo signal
Ultrasonic imaging obtains ultrasonic imaging sequence.
Optionally, the preset imaging sequence includes the linear array ultrasound energy converter at least two direction by suitable
Clockwise counterclockwise successively emits ultrasonic signal.Specifically, reference can be made to scheming, 6, for the excitation group of different structure
The imaging sequence of part, linear array ultrasound energy converter is different.
In one embodiment, referring to Fig. 7, being related to processor obtains the ultrasonic imaging sequence, and to the ultrasound
Image sequence is analyzed, and a kind of possible realization process of the corresponding mechanics parameter of the muscle both direction is obtained.Upper
On the basis of stating embodiment, S206 the following steps are included:
S2062, the processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains
To the Drive assembly the shear wave velocity of the first direction, the Drive assembly the second direction shear wave velocity with
And the angle of the first direction and the muscle fibre direction；
S2064, shear wave velocity, the Drive assembly of the processor to the Drive assembly in the first direction exist
The shear wave velocity of the second direction and the first direction and the angle in the muscle fibre direction are calculated, and are obtained described
The corresponding mechanics parameter of muscle both direction.
Specifically, in the present embodiment, the shear wave velocity V of Drive assembly in a first direction0It indicates, Drive assembly is the
The shear wave velocity V in two directions90It indicates, first direction and the angle in muscle fibre direction are indicated with θ.It need to will be clear that theory of mechanics
The relationship between the shearing wave propagation velocity of wave of anisotropic material and mechanical parameters has been given, therefore, processor is to super
Multiple frames of ultrasonic image in acoustic image sequence is analyzed, and the shear wave velocity V of Drive assembly in a first direction can be obtained0, excitation
Shear wave velocity V of the component in second direction90And the angle theta of first direction and muscle fibre direction, in turn, processor is according to V0、
V90And the mechanics parameter μ in muscle both direction is calculated in θTAnd μL。
In one embodiment, the Drive assembly further includes third direction linear array ultrasound energy converter, and described first
Angle between dimension linear array ultrasound transducer and the third direction linear array ultrasound energy converter is 45 degree.It is then described
Processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the muscle both direction
Corresponding mechanics parameter, comprising the following steps:
S206a, the processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains
To the Drive assembly the shear wave velocity of the first direction, the Drive assembly the second direction shear wave velocity with
And the Drive assembly is in the shear wave velocity of the third direction；
S206b, shear wave velocity, the Drive assembly of the processor to the Drive assembly in the first direction exist
The shear wave velocity of the second direction and the Drive assembly are calculated in the shear wave velocity of the third direction, obtain institute
State the corresponding mechanics parameter of muscle both direction.
Specifically, in the present embodiment, the shear wave velocity V of Drive assembly in a first direction0It indicates, Drive assembly is the
The shear wave velocity V in two directions90It indicates, shear wave velocity V of the Drive assembly in third direction45It indicates.It need to will be clear that mechanics
The shearing wave that anisotropic material has been given in theory propagates the relationship between velocity of wave and mechanical parameters, therefore, processor
Multiple frames of ultrasonic image in ultrasonic image sequence is analyzed, the shear wave velocity V of Drive assembly in a first direction can be obtained0、
Shear wave velocity V of the Drive assembly in second direction90And Drive assembly is in the shear wave velocity V of third direction45, in turn, processing
Device is according to V0、V45And V90The mechanics parameter μ in muscle both direction is calculatedTAnd μL。
In one embodiment, the Drive assembly further includes fourth direction linear array ultrasound energy converter, and described first
Angle between dimension linear array ultrasound transducer and the fourth direction linear array ultrasound energy converter is 135 degree.Then institute
It is further comprising the steps of to state method:
S2072, the processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains
To the Drive assembly the fourth direction shear wave velocity；
S2074, the processor is using the shear wave velocity of the fourth direction to the corresponding power of the muscle both direction
It learns parameter to be checked, if checking error is less than preset threshold, exports the corresponding mechanics parameter of the muscle both direction.
Specifically, processor using the shear wave velocity in 135 degree of planes to the corresponding mechanics parameter of muscle both direction into
Row is checked.If it is larger to check error, measurement should be re-started, until checking error is lower than preset threshold, then exports the muscle
The corresponding mechanics parameter of both direction.The application by the way that the face data method that determines anisotropy mechanics parameter is imaged more, at
In the case that image planes are more than three, this method is to the no particular/special requirement of direction in measuring device plane.
Based on the same inventive concept, present invention also provides a kind of elastograph imaging method, this method includes above-described embodiment
The measurement method for any mechanics of muscle parameter being related to, the elastograph imaging method are further comprising the steps of:
The corresponding mechanics parameter of the muscle both direction is mapped to the ultrasound of the muscle by the ultrasonic imaging component
In image, the corresponding elastogram image of the muscle is obtained.
Above-mentioned elastograph imaging method makes since Drive assembly includes the linear array ultrasound energy converter at least two directions
It obtains operator to be not necessarily to that the measurement direction and measurement position of Drive assembly is varied multiple times, reduces the measurement of manual operation bring and miss
Difference guarantees the measurement accuracy of mechanics of muscle parameter.Also, the linear array ultrasound energy converter in each direction, which can correspond to, to be obtained
One group of ultrasonic imaging sequence is obtained, the anisotropy mechanics of muscle is determined from the different corresponding shear wave velocities of ultrasonic imaging sequence
Parameter can disposably obtain two mechanics parameters in muscle anisotropy mechanics parameter, to guarantee to the maximum extent
The stability and accuracy of muscle anisotropy mechanics parameter.In turn, it is obtained based on the muscle anisotropy mechanics parameter
The picture quality of the elastogram image of muscle is higher.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (14)
1. a kind of measuring device of mechanics of muscle parameter, which is characterized in that described device includes:
Drive assembly, the linear array ultrasound energy converter including at least two directions, the arteries and veins for the transmitting focusing inside muscle
Rush signal, wherein the linear array ultrasound energy converter at least two direction is arranged in a crossed manner；
Ultrasonic imaging component is connect with the Drive assembly, for cutting to the pulse signal in the muscle internal motivation
It cuts wave and carries out ultrasonic imaging, obtain ultrasonic imaging sequence；
Processor is connect with the ultrasonic imaging component, for obtaining the ultrasonic imaging sequence, and to the ultrasound image sequence
Column are analyzed, and the corresponding mechanics parameter of the muscle both direction is obtained.
2. the apparatus according to claim 1, which is characterized in that the linear array ultrasound energy converter at least two direction
Arranged in a crossed manner and form crosspoint, the linear array ultrasound energy converter at least two direction is respectively with the intersection point symmetry
Setting.
3. device according to claim 1 or 2, which is characterized in that the Drive assembly includes first direction linear array
Ultrasonic transducer and second direction linear array ultrasound energy converter, the first direction linear array ultrasound energy converter and described the
Angle between two dimension linear array ultrasound transducers is 90 degree.
4. device according to claim 3, which is characterized in that the Drive assembly further includes that third direction linear array is super
Sonic transducer, between the first direction linear array ultrasound energy converter and the third direction linear array ultrasound energy converter
Angle is 45 degree.
5. device according to claim 4, which is characterized in that the Drive assembly further includes that fourth direction linear array is super
Sonic transducer, between the first direction linear array ultrasound energy converter and the fourth direction linear array ultrasound energy converter
Angle is 135 degree.
6. the apparatus according to claim 1, which is characterized in that the linear array ultrasound energy converter at least two direction
Constitute square structure.
7. a kind of measurement method of mechanics of muscle parameter, which is characterized in that the method is applied to the measurement of mechanics of muscle parameter
Device, described device include Drive assembly, ultrasonic imaging component and processor, and the Drive assembly includes at least two directions
Linear array ultrasound energy converter；
The described method includes:
When determining that the Drive assembly is aligned with muscle fibre direction, the pulse of Drive assembly transmitting focusing inside muscle
Signal；
Shearing wave of the ultrasonic imaging component to the pulse signal in the muscle internal motivation carries out ultrasonic imaging, obtains ultrasound
Imaging sequence；
Processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the muscle two
The corresponding mechanics parameter in direction.
8. the method according to the description of claim 7 is characterized in that the Drive assembly includes first direction linear array ultrasound
Energy converter and second direction linear array ultrasound energy converter, the first direction linear array ultrasound energy converter and the second party
It is 90 degree to the angle between linear array ultrasound energy converter；
The method also includes:
The processor obtains the corresponding first muscle ultrasound image of the first direction linear array ultrasound energy converter and described
The corresponding second muscle ultrasound image of second direction linear array ultrasound energy converter；
The processor identifies the first length of muscle fibre in the first muscle ultrasound image and respectively described
The second length of the muscle fibre is identified in two muscle ultrasound images；
If the difference of first length and second length meets preset maximum length difference condition, the processing
Device determines that the Drive assembly is aligned with the muscle fibre direction.
9. the method according to the description of claim 7 is characterized in that ultrasonic imaging component is to the pulse signal in the muscle
The shearing wave of internal motivation carries out ultrasonic imaging, obtains ultrasonic imaging sequence, comprising:
The linear array ultrasound energy converter at least two direction emits ultrasound to the muscle according to preset imaging sequence
Wave signal, and receive the ultrasound echo signal of the muscle reflection；The ultrasound echo signal carries to swash inside the muscle
The propagation information for the shearing wave encouraged；
The ultrasonic imaging component obtains the ultrasound echo signal, and carries out ultrasonic imaging according to the ultrasound echo signal,
Obtain ultrasonic imaging sequence.
10. according to the method described in claim 9, it is characterized in that, the preset imaging sequence includes described at least two
The linear array ultrasound energy converter in direction successively emits ultrasonic signal in the direction of the clock or counterclockwise.
11. according to the method described in claim 8, it is characterized in that, the processor obtains the ultrasonic imaging sequence, and it is right
The ultrasonic image sequence is analyzed, and the corresponding mechanics parameter of the muscle both direction is obtained, comprising:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the excitation
Component is in the shear wave velocity of the first direction, the Drive assembly in the shear wave velocity of the second direction and described first
The angle in direction and the muscle fibre direction；
The processor is to the Drive assembly in the shear wave velocity of the first direction, the Drive assembly in the second party
To shear wave velocity and the first direction and the angle in the muscle fibre direction calculated, obtain two sides of the muscle
To corresponding mechanics parameter.
12. according to the method described in claim 8, it is characterized in that, the Drive assembly further includes third direction linear array
Ultrasonic transducer, between the first direction linear array ultrasound energy converter and the third direction linear array ultrasound energy converter
Angle be 45 degree；
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the muscle
The corresponding mechanics parameter of both direction, comprising:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the excitation
Shear wave velocity, Drive assembly shear wave velocity and the excitation in the second direction of the component in the first direction
Shear wave velocity of the component in the third direction；
The processor is to the Drive assembly in the shear wave velocity of the first direction, the Drive assembly in the second party
To shear wave velocity and the Drive assembly calculated in the shear wave velocity of the third direction, obtain the muscle two
The corresponding mechanics parameter in direction.
13. according to the method for claim 12, which is characterized in that the Drive assembly further includes fourth direction linear array
Ultrasonic transducer, between the first direction linear array ultrasound energy converter and the fourth direction linear array ultrasound energy converter
Angle be 135 degree；
The method also includes:
The processor obtains the ultrasonic imaging sequence, and analyzes the ultrasonic image sequence, obtains the excitation
Shear wave velocity of the component in the fourth direction；
The processor carries out the corresponding mechanics parameter of the muscle both direction using the shear wave velocity of the fourth direction
It checks, if checking error is less than preset threshold, exports the corresponding mechanics parameter of the muscle both direction.
14. a kind of elastograph imaging method, which is characterized in that the survey including any mechanics of muscle parameter of claim 7-13
Amount method, the elastograph imaging method further include:
The corresponding mechanics parameter of the muscle both direction is mapped to the ultrasound image of the muscle by the ultrasonic imaging component
In, obtain the corresponding elastogram image of the muscle.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755095A (en) * | 2019-10-31 | 2020-02-07 | 清华大学 | Skeletal muscle motor function test system and test method thereof |
| CN111449629A (en) * | 2020-04-28 | 2020-07-28 | 北京信息科技大学 | Optical coherence elastography method and device |
| CN113633312A (en) * | 2020-05-11 | 2021-11-12 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasound elastography method and system |
| CN114515168A (en) * | 2020-11-19 | 2022-05-20 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009219834A (en) * | 2008-03-13 | 2009-10-01 | Seikosha:Kk | Muscle power evaluation apparatus by evaluation of difference between two images of a-mode ultrasonic image |
| CN103179907A (en) * | 2011-09-27 | 2013-06-26 | 株式会社东芝 | Ultrasonic diagnostic device and ultrasonic scanning method |
| CN103584884A (en) * | 2013-11-07 | 2014-02-19 | 中国科学院深圳先进技术研究院 | Muscle force assessment method and device and muscle rehabilitation training tracking and assessment method and system |
| WO2015104582A1 (en) * | 2014-01-08 | 2015-07-16 | Amid S.R.L. | Method and device for estimation of the elastic properties of tissues, particularly muscle tissues |
| CN105726063A (en) * | 2016-04-29 | 2016-07-06 | 深圳大学 | Transient shearlet excitation system and transient shearlet excitation method based on ring external vibration |
| CN106175831A (en) * | 2016-09-28 | 2016-12-07 | 重庆理工大学 | A kind of tissue viscoelasticity based on shearing wave amplitude and phase-detection measuring method |
| CN106264573A (en) * | 2016-07-26 | 2017-01-04 | 吉林大学 | Portable mechanics of muscle parameter and muscular force are in body supersonic detection device and method |
| CN106821308A (en) * | 2016-11-15 | 2017-06-13 | 深圳大学 | The method and apparatus of contraction movement assessment under a kind of skeletal muscle stimulating |
| CN107961038A (en) * | 2017-12-12 | 2018-04-27 | 深圳先进技术研究院 | A kind of method and device that biomechanical parameter is obtained according to Ultrasonic elasticity myograph |
| CN108095765A (en) * | 2018-01-18 | 2018-06-01 | 北京索瑞特医学技术有限公司 | Combined probe and measuring system |
| CN108095762A (en) * | 2018-01-18 | 2018-06-01 | 北京索瑞特医学技术有限公司 | Combined probe and measuring system |
| CN108742705A (en) * | 2018-04-10 | 2018-11-06 | 深圳大学 | A kind of supersonic imaging apparatus and method of real-time detection muscle morphological parameters |
-
2019
- 2019-03-01 CN CN201910156056.9A patent/CN109875609B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009219834A (en) * | 2008-03-13 | 2009-10-01 | Seikosha:Kk | Muscle power evaluation apparatus by evaluation of difference between two images of a-mode ultrasonic image |
| CN103179907A (en) * | 2011-09-27 | 2013-06-26 | 株式会社东芝 | Ultrasonic diagnostic device and ultrasonic scanning method |
| CN103584884A (en) * | 2013-11-07 | 2014-02-19 | 中国科学院深圳先进技术研究院 | Muscle force assessment method and device and muscle rehabilitation training tracking and assessment method and system |
| WO2015104582A1 (en) * | 2014-01-08 | 2015-07-16 | Amid S.R.L. | Method and device for estimation of the elastic properties of tissues, particularly muscle tissues |
| CN105726063A (en) * | 2016-04-29 | 2016-07-06 | 深圳大学 | Transient shearlet excitation system and transient shearlet excitation method based on ring external vibration |
| CN106264573A (en) * | 2016-07-26 | 2017-01-04 | 吉林大学 | Portable mechanics of muscle parameter and muscular force are in body supersonic detection device and method |
| CN106175831A (en) * | 2016-09-28 | 2016-12-07 | 重庆理工大学 | A kind of tissue viscoelasticity based on shearing wave amplitude and phase-detection measuring method |
| CN106821308A (en) * | 2016-11-15 | 2017-06-13 | 深圳大学 | The method and apparatus of contraction movement assessment under a kind of skeletal muscle stimulating |
| CN107961038A (en) * | 2017-12-12 | 2018-04-27 | 深圳先进技术研究院 | A kind of method and device that biomechanical parameter is obtained according to Ultrasonic elasticity myograph |
| CN108095765A (en) * | 2018-01-18 | 2018-06-01 | 北京索瑞特医学技术有限公司 | Combined probe and measuring system |
| CN108095762A (en) * | 2018-01-18 | 2018-06-01 | 北京索瑞特医学技术有限公司 | Combined probe and measuring system |
| CN108742705A (en) * | 2018-04-10 | 2018-11-06 | 深圳大学 | A kind of supersonic imaging apparatus and method of real-time detection muscle morphological parameters |
Non-Patent Citations (1)
| Title |
|---|
| GUO-YANG LI ET AL.: "Elastic Cherenkov effects in transversely isotropic soft materials-II： Ex vivo and in vivo experiments", 《JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755095A (en) * | 2019-10-31 | 2020-02-07 | 清华大学 | Skeletal muscle motor function test system and test method thereof |
| CN111449629A (en) * | 2020-04-28 | 2020-07-28 | 北京信息科技大学 | Optical coherence elastography method and device |
| CN113633312A (en) * | 2020-05-11 | 2021-11-12 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasound elastography method and system |
| CN114515168A (en) * | 2020-11-19 | 2022-05-20 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging system |
| CN114515168B (en) * | 2020-11-19 | 2024-04-16 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging system |
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Application publication date: 20190614 Assignee: Beijing Xijian Technology Co.,Ltd. Assignor: TSINGHUA University Contract record no.: X2022980018767 Denomination of invention: Measuring device and method of muscle mechanical parameters, elastic imaging method Granted publication date: 20201222 License type: Common License Record date: 20221019 |