CN106264600A - Elasticity distribution video generation system - Google Patents
Elasticity distribution video generation system Download PDFInfo
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- CN106264600A CN106264600A CN201510252550.7A CN201510252550A CN106264600A CN 106264600 A CN106264600 A CN 106264600A CN 201510252550 A CN201510252550 A CN 201510252550A CN 106264600 A CN106264600 A CN 106264600A
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Abstract
The present invention provides a kind of elasticity distribution video generation system, in order to set up out a spatial elastic distribution image of an organic media, comprise transmission and reception system and processing module, send the dispensing device with the system of reception and one transmission position of organic media is sent out a ultrasound, produce a shear wave in making organic media, produce a displacement signal so as to triggering in a receiving position of organic media.Receive device and send out a triggering signal according to displacement signal.Processing module receives triggering signal, calculates shear wave traveling time and alternate position spike respectively, so as to calculating shear wave gait of march according to the time launched and receive and transmission with receiving position.Send and performed above-mentioned steps with the system of reception by triggering the diverse location to organic media, so as to setting up out spatial elastic distribution image according to the shear wave gait of march of distinct locations.Thus can really learn the hardness situation of whole organic media inner space, and then accuracy is made a definite diagnosis in increase.
Description
Technical field
The present invention relates to a kind of elasticity distribution video generation system, particularly to a kind of in organic media not
Co-located is launched ultrasound and received bit shifting signal and is set up out the elasticity distribution image life of elasticity distribution image
One-tenth system.
Background technology
Due to development and the progress in epoch of science and technology, widely applied by the technology of ultrasound generation image
In the middle of the life of people, for example, conventional compared to clinic Medical Image System such as X-ray, CT,
MRI or core doctor's image, it is dangerous, instant that ultrasound video has low price, non-intrusion type, radiationless property
Image, the aerial image resolution of secondary millimeter (sub mm) level, portability and flow velocity detecting can be carried out
Etc. advantage, therefore ultrasound video is almost widely used in the diagnosis of clinical departments.
Ultrasound image-forming principle be the characteristic utilizing sound scattering and reflection to rebuild the image of body to be measured,
Specifically, ultrasound imaging is launched sound wave mainly by probe and is entered in human body, and with in human body
Various medium generation reciprocal actions, and utilize returned signal as the foundation of image in reconstruction human body.
But, the such as disease of cancer, liver cirrhosis, angiopathy, its scattering formed and reflection with
Health tissues difference is the least, cause often having under ultrasound imaging fail to pinpoint a disease in diagnosis, mistaken diagnosis or be difficult to the situation made a definite diagnosis.
In order to improve the diagnosis accuracy of cancer, prior art proposes the formation method of elastic image, is led
The surface that ultrasound scanner head to be urged to organic media (such as histiocyte) is oppressed, and makes organic Jie
Tissue within matter is subjected to displacement, and according to because of the organic media that causes of compressing before compression after echo letter
Number estimate the displacement of compression direction, ask for the space differentiation amount of displacement and deformation to carry out image conversion, enter
And produce above-mentioned elastic image, utilize this elastic image can be seen that organic media hardness (as deformation,
Coefficient of elasticity), and then increase the accuracy made a definite diagnosis.
But, prior art also cannot provide a kind of device that organic media can carry out elastogram completely,
Thus the hardness situation of whole organic media cannot be learnt, therefore prior art still has the space of improvement.
Summary of the invention
Because being limited to the framework of existing elastogram device, generally having and cannot learn whole organic Jie
The problem of the hardness situation of matter.Edge this, present invention generally provides a kind of elasticity distribution video generation system,
Mainly the diverse location in organic media is launched ultrasound and received bit shifting signal and is set up out elasticity distribution shadow
Picture, to solve above-mentioned problem.
Based on above-mentioned purpose, technical way of the present invention provides a kind of elasticity distribution image raw
One-tenth system, in order to set up out a spatial elastic distribution image of an organic media, and comprises a transmission and connects
Receipts system and a processing module.Send and comprise a dispensing device and a reception device with reception system,
Dispensing device sends out a ultrasound for a very first time to one first transmission position of organic media, borrows
So that organic media in produce a shear wave, and shear wave in one second time in the one first of organic media
Receiving position triggers and produces one first displacement signal.Receive device and supply to receive the first displacement signal, and foundation
First displacement signal sends out a triggering signal.Processing module be electrically connected at send with receive system send out
Send device and receive device, in order to receive triggering signal, going out one according to the very first time and the second Time Calculation
First shear wave traveling time and foundation first send position and calculate one first with the first receiving position
Alternate position spike, so as to calculating one first shear wave row according to the first shear wave traveling time and primary importance difference
Enter speed.
Wherein, this transmission and reception system are by triggering in this organic media one second of one the 3rd time
Send position to send out this ultrasound, and be received in the one second of this organic media by triggering in one the 4th time
A second shifting signal produced by receiving position, so as to making this processing module according to the 3rd time and be somebody's turn to do
One second shear wave traveling time of the 4th Time Calculation gained and this second send position with this second
One second position difference of receiving position calculates one second shear wave gait of march, and according to this first shearing
Ripple gait of march and this second shear wave gait of march set up out this spatial elastic distribution image.
Wherein, in the preferred embodiment of the attached technological means of above-mentioned elasticity distribution video generation system, also
Comprising a rotary apparatus, rotary apparatus is electrically connected at processing module, sends and is arranged at rotation with reception system
Rotary device, and rotary apparatus be subject to processing module trigger rotate an anglec of rotation along a direction of rotation and make transmission
It is respectively moved to the second transmission position and the second received bit with receiving device with the dispensing device of the system of reception
Put.
Additionally, sending with reception system is an one-dimensional array probe, dispensing device is respectively with receiving device
The ultrasound of one-dimensional array probe sends probe and ultrasound receiving transducer.
It addition, processing module repeated trigger rotary apparatus rotates N number of anglec of rotation along direction of rotation, so as to
Space bullet is set up out according to this first shear wave gait of march N number of and this second shear wave gait of march N number of
Property distribution image.
Wherein, the primary importance difference shear wave wavelength less than a times, the second position difference shearing less than a times
Wave-wave is long.
Wherein, in the preferred embodiment of the attached technological means of above-mentioned elasticity distribution video generation system, send out
Sending with reception system is a two-dimensional array probe, and transmission is subject to processing module and triggers with different from reception system
Probe send position in second and send out ultrasound, and receive in the second receiving position with different probes
Second shifting signal.
Additionally, two-dimensional array probe is a cross array probe.
Wherein, the primary importance difference shear wave wavelength less than a times, the second position difference shearing less than a times
Wave-wave is long.
Wherein, in the preferred embodiment of the attached technological means of above-mentioned elasticity distribution video generation system, send out
Sending device to be all a two-dimensional array probe with receiving device, dispensing device is subject to processing module and triggers with different
Pop one's head in and send out ultrasound in the second transmission position, receive device and be subject to processing module triggering with different probes
Second shifting signal is received in the second receiving position.
Wherein, the primary importance difference shear wave wavelength less than a times, the second position difference shearing less than a times
Wave-wave is long.
After technical way by elasticity distribution video generation system of the present invention, due to can
Diverse location in organic media launches ultrasound and received bit shifting signal, thus can really learn whole have
The hardness situation in machine media interior space, and then increase and make a definite diagnosis accuracy, thus can effectively solve existing skill
The problem of art.
Specific embodiment of the present invention, will be made further by below example and accompanying drawing
Bright.
Accompanying drawing explanation
Fig. 1 is the square signal of the elasticity distribution video generation system of the display present invention the first preferred embodiment
Figure；
Fig. 2 is the three-dimensional signal of the elasticity distribution video generation system of the display present invention the first preferred embodiment
Figure；
Fig. 3 is that the elasticity distribution video generation system of the display present invention the first preferred embodiment is adjacent to organic
The top view of medium；
Fig. 4 is that the elasticity distribution video generation system of the display present invention the first preferred embodiment is adjacent to organic
First transmission position of medium and the side view of the first receiving position；
Fig. 5 is that the elasticity distribution video generation system of the display present invention the first preferred embodiment is adjacent to organic
Second transmission position of medium and the side view of the second receiving position；
Fig. 6 is the schematic diagram of the image reconstruction of the display present invention the first preferred embodiment；
Fig. 6 A is the schematic diagram of the spatial elastic distribution image of the display present invention the first preferred embodiment；
Fig. 7 is the top view of the elasticity distribution video generation system of the display present invention the second preferred embodiment；
Fig. 8 is the schematic diagram of the elasticity distribution video generation system of the display present invention the 3rd preferred embodiment；
Fig. 9 is the schematic diagram of the elasticity distribution video generation system of the display present invention the 4th preferred embodiment；
Figure 10 is the schematic diagram of the elasticity distribution video generation system of the display present invention the 5th preferred embodiment；
And
Figure 11 is the schematic diagram of the elasticity distribution video generation system of the display present invention the 6th preferred embodiment.
Description of reference numerals:
1,1a, 1b, 1c, 1d, 1f elasticity distribution video generation system
11,11a, 11d, 11f send and the system of reception
111,111a, 111b, 111c, dispensing device
111d、111e、111f
1111b, 1111f, 1112f pop one's head in
112,112a, 112b, 112c, reception device
112d、112e、112f
1121b, 1121f, 1122f pop one's head in
12,12d, 12f processing module
13 rotary apparatuss
131 rotate accommodating device
132 rotating bodies
2 organic medias
D1, d2, d3, d5 primary importance is poor
D4, d6 second position is poor
W1 ultrasound
W2 shear wave
W3 the first displacement signal
W4 ultrasound
W5 second shifting signal
S1 triggers signal
P1 first sends position
P2 the first receiving position
P3 second sends position
P4 the second receiving position
L1, L2, L3, L4 direction of rotation
Detailed description of the invention
Due in elasticity distribution video generation system provided by the present invention, a combination thereof embodiment is unequal to piece
Lift, therefore this is no longer going to repeat them, only enumerates four preferred embodiments and is illustrated.
See also the elasticity distribution shadow that Fig. 1 to Fig. 5, Fig. 1 are the display present invention the first preferred embodiment
As generating the block schematic diagram of system, Fig. 2 is the elasticity distribution shadow of the display present invention the first preferred embodiment
As generating the schematic perspective view of system, Fig. 3 is the elasticity distribution shadow of the display present invention the first preferred embodiment
As generation system is adjacent to the top view of organic media, Fig. 4 is the display present invention the first preferred embodiment
Elasticity distribution video generation system is adjacent to the first transmission position of organic media and the side of the first receiving position
View, Fig. 5 is that the elasticity distribution video generation system of the display present invention the first preferred embodiment has been adjacent to
Second transmission position of machine medium and the side view of the second receiving position.
As it can be seen, the elasticity distribution video generation system 1 of present pre-ferred embodiments is in order to set up out one
One spatial elastic distribution image of organic media 2, and this organic media 2 can be such as the tissue of organism
Cell, blood vessel or organ (such as liver), but it is not limited to this.
Elasticity distribution video generation system 1 comprise a transmission and reception system 11, processing module 12 and
One rotary apparatus 13, sends and is adjacent to organic media 2 with reception system 11 and arranges (as shown in Figure 4),
And comprise dispensing device 111 and a reception device 112, furthermore, it is understood that the present invention first preferably implements
Example only comprises a dispensing device 111 and a reception device 112, and dispensing device 111 is a ultrasound
Transmitting probe, receiving device 112 is then receiving transducer, and preferably, the mid frequency of dispensing device 111
For 20MHz, the mid frequency receiving device 112 is 40MHz, and reception device 112 typically can be electric again
Property is connected to a ultrasonic system (not shown).
Processing module 12 is electrically connected at the dispensing device 111 and reception device sent with reception system 11
112, can be above-mentioned ultrasonic system, typically there is circuit or the chip processing function, such as in can being
Central processor (Central Processing Unit, CPU), graphic process unit (Graphics Processing Unit,
Or OverDrive Processor ODP (Accelerated Processing Unit, APU), and processing module 12 can be whole GPU)
Together in receiving in device 112, but also can additionally be arranged at such as the electronic installation such as panel computer, desktop computer
In.
Rotary apparatus 13 is electrically connected at processing module, comprises rotation accommodating device 131 and a rotation
Body 132, rotating body 132 is rotatably received in rotation accommodating device 131, and is linked to rotate appearance
Put the interior motor being provided with of device 131, and above-mentioned dispensing device 111 is arranged at rotation with receiving device 112
Turning body 132, it such as can use chimeric mode, but is not limited to this in other embodiments.
The elasticity distribution video generation system 1 that the user present invention to be used the first preferred embodiment is provided
Time, can trigger, by processing module 12, the dispensing device 111 sent with reception system 11 and send out a Supersonic
Ripple W1 (can be triggered by button or other modes), in the present invention the first preferred embodiment, sends dress
Put 111 surfaces being adjacent to organic media 2, and be triggered in a very first time and send out ultrasound W1,
It is to say, one first transmission position P1 of organic media 2 is sent by dispensing device 111 in the very first time
Go out ultrasound W1 (longitudinally transmission), in making organic media 2, produce a shear wave W2 (lateral transport),
And shear wave W2 one first receiving position P2 triggering generation one in organic media 2 in one second time
First displacement signal W3 (longitudinally transmission).
And receive device 112 and be adjacent to dispensing device 111, and in fact reception device 112 is in above-mentioned
(with on the first same vertical of receiving position P2) in first receiving position P2, therefore in the second time with
First receiving position P2 receives the first displacement signal W3, and sends out one according to the first displacement signal W3
Trigger signal S1.
Wherein, needing one to be mentioned that at this, dispensing device 111 is arranged at the first transmission position P1, receives
Device 112 is arranged at the second transmission position P2, and first sends position P1 and second transmission position P2 phase
Away from primary importance difference d1, additionally, shear wave W2 has a shear wave wavelength (not shown), and shearing
Wave-wave length is defined as in λ, and all preferred embodiments of the present invention, and primary importance difference d1 is both less than one times
Shear wave wavelength X, namely d1 < λ, and more precisely, the position set by dispensing device 111 with
Receive the alternate position spike between the position set by device 112 and be all necessarily less than the shear wave wavelength of a times, and
The definition of above-mentioned alternate position spike is air line distance, and only says with two dimensional surface in present pre-ferred embodiments
Bright.
Processing module 12 receives after triggering signal S1, according to the very first time and the second time and first
Send position P1 and the first receiving position P2 calculates one first shear wave traveling time and one first respectively
Alternate position spike, specifically, the first shear wave traveling time is the second time to deduct the very first time, first
Put poor d1 and refer to that the first receiving position P2 place coordinate deducts the first P1 place, transmission position coordinate, and borrow
With the distance calculated, and the first receiving position P2 and the first transmission position P1 are that position is in same level
On so that the alternate position spike calculated is for moving horizontally distance.The first shearing is calculated in processing module 12
After ripple traveling time and primary importance difference d1, according to the first shear wave traveling time and primary importance difference d1
Calculating one first shear wave gait of march, its calculation for example, primary importance difference d1 is cut divided by first
Reeb traveling time.
After processing module 12 calculates the first shear wave traveling time, can first keep in the first shear wave and advance
Time, and trigger the motor rotation rotating accommodating device 131 of rotary apparatus 13 so that rotating body 132
Along direction of rotation L rotate an anglec of rotation (direction of rotation in present pre-ferred embodiments refer to spin,
But other embodiments are not limited to this) so that send the dispensing device 111 with reception system 11 and fill with receiving
Put 112 and be respectively moved to one second transmission position P3 and one second receiving position P4, and the present invention first is relatively
In good embodiment, direction of rotation L is clockwise (as shown in Figure 3), and the anglec of rotation is 90 degree.
Further, since dispensing device 111 with receive device 112 for being fixed on rotating body 132, therefore second
The second position difference (not shown) sending position P3 and the second receiving position P4 place is poor with primary importance
D1 is equal so that the second position difference shear wave wavelength again smaller than a times.
Rotate complete at rotating body 132 and make dispensing device 111 and receive device 112 and be respectively moved to the
After two send position P3 and the second receiving position P4, processing module 12 triggers and sends and receive system 11
Dispensing device 111 in one the 3rd time, the second of organic media 2 the transmission position P3 is sent out ultrasound
W4, and tactile sending/receiving device 112 is received in the second receiving position P4 of organic media 2 in one the 4th time
Produced a second shifting signal W5 (second shifting signal W5 and the generation of the first displacement signal W3
Mode is identical, repeats no more), so as to making processing module 12 according to the 3rd time and the 4th Time Calculation institute
The one second shear wave traveling time obtained and second sends a second of position and the second receiving position
Put difference calculate one second shear wave gait of march (identical with the calculation of the first shear wave gait of march,
Repeat no more), and after calculating the second shear wave gait of march, processing module 12 calls the first shearing
Ripple gait of march, so as to setting up out according to the first shear wave gait of march and the second shear wave gait of march
State the distribution in organic media 2 in space of the shear wave gait of march, and be further converted into coefficient of elasticity
Spatial distribution, and then set up out spatial elastic distribution image (namely spatial elastic distribution image be bullet
The spatial distribution image of property coefficient).
Need one to be mentioned that at this, above-mentioned first sends position P1, the first receiving position P2, the second transmission
The position in organic media 2 is referred to for position P3 and the second receiving position P4 narrow sense, but in broad terms
Also can refer to the position being perpendicular in organic media 2 outside organic media 2, hereby chat bright.Although additionally, originally
Inventing in the first preferred embodiment, the anglec of rotation is 90 degree, the most alternatively 1 degree or other angles,
And repeated trigger rotary apparatus 13 persistently rotates, say, that in other embodiments, 360 degree can be performed
Complete circular scan, and then set up out the spatial elastic distribution image of 360 degree, and above-mentioned technology can be in
It is provided with a rotation program in processing module 12, realizes controlling the mesh of the anglec of rotation by setting rotation program
(the most often rotate 1 degree to trigger dispensing device 111 and send ultrasound and reception respectively with reception device 112
Displacement signal, just stops triggering rotating, so as to organic media 2 is done N number of angle until rotating to original position
Degree measurement and produce N group data, and N group data have been N number of first shear wave gait of march and
N number of second shear wave gait of march, and set up out according to the distribution of above-mentioned data reconstruction coefficient of elasticity
Spatial elastic distribution image).
Additionally, in other embodiments, repeatable in same position transmission ultrasound W1 and reception first
Shifting signal W3, after e.g. repeating to receive the first displacement signal W3 40 times with the frequency of 2000Hz,
Just trigger rotary apparatus 13 to rotate to the next angle preset.It addition, in other embodiments, except can
Perform outside above-mentioned circular spin-scan mode, it is possible to utilize track reach along track advance and with square,
Circular or other polygonal traveling modes are scanned, and may be set to often move a distance and i.e. trigger
Send ultrasound, that is (sending for this M time can be one with reception with reception to may be set to perform M transmission
Always complete apart from interior execution), and then set up out space according to the distribution of above-mentioned data reconstruction coefficient of elasticity
Elasticity distribution image.
Further referring to the image weight that Fig. 6 Yu Fig. 6 A, Fig. 6 are the display present invention the first preferred embodiment
The schematic diagram built, Fig. 6 A is the signal of the spatial elastic distribution image of the display present invention the first preferred embodiment
Figure.As it can be seen, for the first shear wave gait of march, processing module 12 receives and triggers signal S1
After, after the target zone lattice point of the first shear wave gait of march will be calculated, just may utilize matrix
Mode solves the velocity amplitude of each lattice point, wherein L* Δ s=Δ t, and L is under each angle, shear wave W2
The length of each lattice point of path traversal advanced, namelyIt it is first
Send position P1 to first distance of receiving position P2, and line segmentLength can disassemble into it and pass through
The length summation of each lattice point.
Δ s is the inverse of each lattice point velocity amplitude, and Δ t is to be calculated time difference range finding by the shear wave signal received
(Time-of-flight) time value (very first time and the time difference of the second time, the i.e. first shearing drawn
Ripple traveling time).It is therefore assumed that K angle of scanning, and target zone is divided into M*N lattice, then L
Can be the matrix of a K*MN, Δ s can be the row vector of MN*1, and Δ t can be the row vector of K*1.
In other preferred embodiments, if often spending run-down, namely K is 360, and owing to sending out
Sending device 111 to make rotation sweep with the center of circle that reception device 112 is around fixing, shear wave W2 advances
Path is i.e. the diameter of different angles, and therefore L can directly be tried to achieve by calculating geometrically, and Δ t can be by
Experiment data try to achieve, so via inverse matrix calculate just can draw Δ s, the most just learn shear wave speed in
Distribution in sweep limits, that is as shown in Figure 6A, (spatial elastic is divided to rebuild velocity contour out
Cloth image) in, the shear wave VELOCITY DISTRIBUTION in the circular scope of scanning can be learnt, brightness therein represents
For speed, the brightest expression speed the fastest (in figure, whiter table is the brightest), namely the elasticity number in this region is more
Greatly.
Refer to the elasticity distribution video generation system that Fig. 7, Fig. 7 are the display present invention the second preferred embodiment
Top view, as it is shown in fig. 7, in elasticity distribution video generation system 1a, with the first preferred embodiment not
With place be only that transmission with receive system 11a be an one-dimensional array probe, dispensing device 111a with connect
Receiving apparatus 112a is respectively the ultrasound of one-dimensional array probe and sends probe and ultrasound receiving transducer, such as
Dispensing device 111a is the probe of the leftmost side in figure, receives the probe that device 112a is then the rightmost side, but sends out
Primary importance difference d2 sending device 111a and receive device 112a place must be less than the shearing wave-wave of a times
It is long, it addition, second position difference (not shown) also needs the shear wave wavelength less than a times (to send in figure
Device 111a is primary importance difference d2 with the centre-to-centre spacing deviation of reception device 112a, can in other embodiments
Range difference for both sides), remaining is all identical with the first preferred embodiment, repeats no more.It addition, this
Although bright first preferred embodiment uses with the second preferred embodiment and triggers the mode that motor rotates, that is adopts
By the mode of mechanical scan, but other embodiments can use the mode of electron scanning, will under carry out
Describe.
Refer to the elasticity distribution video generation system that Fig. 8, Fig. 8 are the display present invention the 3rd preferred embodiment
Schematic diagram, as shown in Figure 8, the place different from the first preferred embodiment is, elasticity distribution image
In generation system 1b, dispensing device 111b is one-dimensional array probe with receiving device 112b, and all can edge
Direction of rotation L2 rotates, and the probe 1111b in dispensing device 111b can be used to send out ultrasound,
The probe 1121b received in device 112b can be used to receive second shifting signal, and remaining is all preferable with first
Embodiment is identical, repeats no more.
Refer to the elasticity distribution video generation system that Fig. 9, Fig. 9 are the display present invention the 4th preferred embodiment
Schematic diagram, as it is shown in figure 9, dispensing device 111c with receive device 112c be similarly single probe, with
The different place of first preferred embodiment is, in elasticity distribution video generation system 1c, and dispensing device 111c
It is controlled to the most static, and reception device 112c can be along direction of rotation L3 or direction of rotation L4
Mobile, can in rotary moving under the angle limited with dispensing device 111c (connect it is preferred that receive device 112c
Between receiving apparatus 112c and dispensing device 111c air line distance and receive device 112c move after position with
The angle of air line distance between dispensing device 111c), and be individually controlled transmission ultrasound and receive the second displacement
Signal, additionally, dispensing device 111c the most also can move along direction of rotation L4 and rotating 360 degrees (reception
Device 112c also can synchronize the most mobile with dispensing device 111c).
Refer to the elasticity distribution video generation system that Figure 10, Figure 10 are the display present invention the 5th preferred embodiment
The schematic diagram of system, as shown in Figure 10, the place different from the first preferred embodiment is, elasticity distribution shadow
As generating, system 1d does not comprise rotary apparatus, and transmission is that a two-dimensional array is visited with system 11d of reception
Head, and send be subject to processing the triggering of module 12d with reception system 11d and with different probes in second
Position (not shown) is sent to send out ultrasound (not shown), and with different probes in the second receiving position
(not shown) receives second shifting signal (not shown), say, that first sends position (not shown)
Sending ultrasound with the dispensing device 111d of the leftmost side, the first receiving position (not shown) is with the rightmost side
Receiving device 112d and receive second shifting signal, second sends position (not shown) with dispensing device 111e
Sending ultrasound, the second receiving position (not shown) receives second shifting signal to receive device 112e,
It is to say, the most do not use the mode of mechanical scanning but use the mode of electron scanning,
Additionally, the shearing wave-wave that dispensing device 111d and primary importance difference d3 receiving device 112d are less than a times
Long (in figure with dispensing device 111d with receive the centre-to-centre spacing deviation of device 112d for primary importance difference d3,
Other embodiments can be the range difference of both sides), dispensing device 111e and the second of reception device 112e
The alternate position spike d4 shear wave wavelength less than a times is (with dispensing device 111e with reception device 112e's in figure
Centre-to-centre spacing deviation is second position difference d4, can be the range difference of both sides in other embodiments), remaining all with
First preferred embodiment is identical, therefore repeats no more.Additionally, above-mentioned transmission can be entered with system 11d of reception
One step is that a cross array probe (not shown, i.e. pop one's head in cross each other by two one-dimensional arraies in Fig. 7
Intersect), but it is not limited to this.
It addition, need one to be mentioned that at this, a transmitting/receiving program can be provided with in processing module 12d, also
I.e. processing module 12d is after reception device 112d receives displacement signal, and processing module 12d is according to sending
Reception program triggers the probe sent with in system 11d of reception and sends Supersonic as dispensing device 111e
Ripple, and trigger the probe sent and receive in system 11d as receiving device 112e to receive displacement letter
Number, and then set up out the gait of march of shear wave in each space, and set up out spatial elastic distribution image.
Refer to the elasticity distribution video generation system that Figure 11, Figure 11 are the display present invention the 6th preferred embodiment
The schematic diagram of system, as shown in figure 11, the place different from the first preferred embodiment is, elasticity distribution shadow
As generating, system 1f does not the most comprise rotary apparatus, and send and the dispensing device 111f of system 11f of reception
It is all a two-dimensional array probe with receiving device 112f, and the first transmission position sends position with second and sent out
The ultrasound (not shown) sent can be sent by probes different in dispensing device 111f and (is such as respectively
Probe 1111f, 1112f in figure), similarly, the first receiving position can be by different from the second receiving position
Probe (being such as respectively probe 1121f, the 1122f in figure) receive the first displacement signal respectively (figure be not
Show) and second shifting signal (not shown), say, that the place different from the first preferred embodiment exists
In sending different from receiving transducer (first of 1111f and receiving transducer 1112f place but transmission is popped one's head in
Put poor d5 and must be less than the shear wave wavelength of a times, send probe 1112f and receiving transducer 1122f place
Second position difference d6 must be less than the shear wave wavelength of a times, and to send probe 1111f and to connect in figure
The centre-to-centre spacing deviation receiving probe 1112f is primary importance difference d5, sends probe 1112f and receiving transducer 1122f
Centre-to-centre spacing deviation be second position difference d6, other embodiments can be the range difference of both sides), first relatively
Good embodiment first send position with second send the probe that used of position be same (be all to send to fill
Put 111), the probe that the first receiving position and the second receiving position are used also for same (be all reception
Device 112).
It addition, need one to be mentioned that at this, a transmitting/receiving program in processing module 12f, can be provided with, that is
Processing module 12f is after often a probe in receiving in device 112f receives displacement signal, according to sending out
Another probe sending reception program to trigger in dispensing device 111f sends ultrasound, and tactile sending/receiving device
Another probe in 112f carrys out received bit shifting signal, and then sets up out the row of shear wave in each space
Enter speed, and set up out spatial elastic distribution image.
Comprehensive the above, after using elasticity distribution video generation system provided by the present invention, due to
Ultrasound and received bit shifting signal can be launched in the diverse location of organic media, thus can really learn whole
The hardness situation of organic media inner space, and then increase and make a definite diagnosis accuracy, thus can effectively solve existing
The problem of technology.
Pass through the above detailed description of preferred embodiments, it would be desirable to more clearly describe inventive feature with
Spirit, and not with above-mentioned disclosed preferred embodiment, scope of the invention is any limitation as.
On the contrary, its objective is that the present invention that is arranged in wishing to contain various change and tool equality is intended to apply for
The scope of the claims category in.
Claims (10)
1. an elasticity distribution video generation system, in order to set up out a spatial elastic distribution of an organic media
Image, it is characterised in that comprise:
One sends and the system of reception, comprises:
One dispensing device, sent out one first transmission position of this organic media for a very first time
One ultrasound, so as to producing a shear wave in making this organic media, and this shear wave in one second time in
One first receiving position of this organic media triggers and produces one first displacement signal；And one receive device,
For receiving this first displacement signal, and send out a triggering signal according to this first displacement signal；And
One processing module, is electrically connected at this dispensing device and this reception device of this transmission and the system of reception,
In order to receive this triggering signal, go out one first shear wave row according to this very first time and this second Time Calculation
Enter the time and first send position and this first receiving position according to this to calculate a primary importance poor,
Advance fast so as to calculating one first shear wave according to this first shear wave traveling time and this primary importance difference
Degree；
Wherein, this transmission and reception system are by triggering in this organic media one second of one the 3rd time
Send position to send out this ultrasound, and be received in the one second of this organic media by triggering in one the 4th time
A second shifting signal produced by receiving position, so as to making this processing module according to the 3rd time and be somebody's turn to do
One second shear wave traveling time of the 4th Time Calculation gained and this second send position with this second
One second position difference of receiving position calculates one second shear wave gait of march, and according to this first shearing
Ripple gait of march and this second shear wave gait of march set up out this spatial elastic distribution image.
2. elasticity distribution video generation system as claimed in claim 1, it is characterised in that also comprise a rotation
Rotary device, this rotary apparatus is electrically connected at this processing module, and this transmission and reception system are arranged at this rotation
Rotary device, and this rotary apparatus triggers by this processing module and rotates an anglec of rotation along a direction of rotation and make
This dispensing device and this reception device of this transmission and the system of reception be respectively moved to this second send position with
This second receiving position.
3. elasticity distribution video generation system as claimed in claim 2, it is characterised in that this transmission with connect
Receipts system is an one-dimensional array probe, and this dispensing device and this reception device are respectively this one-dimensional array probe
Ultrasound send probe with ultrasound receiving transducer.
4. elasticity distribution video generation system as claimed in claim 2, it is characterised in that this processing module
This rotary apparatus of repeated trigger rotates this anglec of rotation N number of along this direction of rotation, so as to according to N number of this
One shear wave gait of march and this second shear wave gait of march N number of set up out this spatial elastic distribution shadow
Picture.
5. elasticity distribution video generation system as claimed in claim 2, it is characterised in that this primary importance
Difference this shear wave wavelength less than a times, this second position difference this shear wave wavelength less than a times.
6. elasticity distribution video generation system as claimed in claim 1, it is characterised in that this transmission with connect
Receipts system is a two-dimensional array probe, and this transmission is triggered with different by this processing module with the system of reception
Pop one's head in and send out this ultrasound in this second transmission position, and with different probe in this second receiving position
Receive this second shifting signal.
7. elasticity distribution video generation system as claimed in claim 6, it is characterised in that this two-dimensional array
Probe is a cross array probe.
8. elasticity distribution video generation system as claimed in claim 6, it is characterised in that this primary importance
Difference this shear wave wavelength less than a times, this second position difference this shear wave wavelength less than a times.
9. elasticity distribution video generation system as claimed in claim 1, it is characterised in that this dispensing device
Being a two-dimensional array probe with this reception device, this dispensing device is triggered by this processing module with different spies
Head sends out this ultrasound in this second transmission position, and this reception device is triggered by this processing module with difference
Probe receive this second shifting signal in this second receiving position.
10. elasticity distribution video generation system as claimed in claim 9, it is characterised in that this first
Put difference this shear wave wavelength less than a times, this second position difference this shear wave wavelength less than a times.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038787A (en) * | 1988-08-10 | 1991-08-13 | The Board Of Regents, The University Of Texas System | Method and apparatus for analyzing material properties using reflected ultrasound |
| US20060287596A1 (en) * | 1996-08-29 | 2006-12-21 | Techniscan, Inc. | Apparatus and method for imaging objects with wavefields |
| KR20120008218A (en) * | 2010-07-16 | 2012-01-30 | 대진대학교 산학협력단 | Method for providing an elastic image |
| CN102686165A (en) * | 2010-10-21 | 2012-09-19 | 松下电器产业株式会社 | Ultrasonic testing device and ultrasonic testing method |
| WO2014103511A1 (en) * | 2012-12-25 | 2014-07-03 | 日立アロカメディカル株式会社 | Ultrasound diagnostic device and elasticity analysis method |
-
2015
- 2015-05-18 CN CN201510252550.7A patent/CN106264600B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038787A (en) * | 1988-08-10 | 1991-08-13 | The Board Of Regents, The University Of Texas System | Method and apparatus for analyzing material properties using reflected ultrasound |
| US20060287596A1 (en) * | 1996-08-29 | 2006-12-21 | Techniscan, Inc. | Apparatus and method for imaging objects with wavefields |
| KR20120008218A (en) * | 2010-07-16 | 2012-01-30 | 대진대학교 산학협력단 | Method for providing an elastic image |
| CN102686165A (en) * | 2010-10-21 | 2012-09-19 | 松下电器产业株式会社 | Ultrasonic testing device and ultrasonic testing method |
| WO2014103511A1 (en) * | 2012-12-25 | 2014-07-03 | 日立アロカメディカル株式会社 | Ultrasound diagnostic device and elasticity analysis method |
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