CN207640439U - A kind of ultrasound is interior to spy upon head and elastogram system - Google Patents
A kind of ultrasound is interior to spy upon head and elastogram system Download PDFInfo
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- CN207640439U CN207640439U CN201720734740.7U CN201720734740U CN207640439U CN 207640439 U CN207640439 U CN 207640439U CN 201720734740 U CN201720734740 U CN 201720734740U CN 207640439 U CN207640439 U CN 207640439U
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Abstract
The utility model discloses snooping head and elastogram systems in a kind of ultrasound, wherein snooping head includes in the ultrasound：Ultrasound transducer array, including multiple ultrasonic transducers for emitting ultrasonic wave, and receive the ultrasonic echo that ultrasonic wave is reflected through biological tissue to be detected；Self-focusing ultrasonic transducer, for generating focused ultrasound beams, the focused ultrasound beams generate acoustic radiation force and act on the biological tissue to be detected.The utility model generates focused ultrasound beams by self-focusing ultrasonic transducer, biological tissue to be detected is acted on by the acoustic radiation force of the focused ultrasound beams, to make biological tissue to be detected generate deformation, when being compressed forward and backward ultrasound echo signal to obtain biological tissue using snooping head in the ultrasound, apply external force by hand without operator, operating process is easy, without by means of external mechanical devices, reduces system cost.
Description
Technical field
The utility model is related to Ultrasonic Elasticity Imaging fields, and in particular to a kind of ultrasound is interior to spy upon head and elastogram
System.
Background technology
Elastogram is converted into the elastic information of the biological tissue of acquisition the visible images of doctor's custom, is cured to allow
Life can differentiate the characteristic of material mechanics of biological tissue by visible images, and then be judged according to the soft or hard situation of biological tissue
The pathological change and its position, shapes and sizes that respective organization or organ may occur.In general, the mechanics of materials of biological tissue
Characteristic is by tactilely-perceptible, and the essence of tactilely-perceptible is the touched complexity to deform later of material.If material
Material is easily deformed, then tactilely-perceptible to information be exactly that material is softer；Otherwise it is exactly harder.Namely to know the soft or hard of material
Degree must just bring it about deformation.
Existing ultrasound imaging probe is provided with ultrasound transducer array, can emit ultrasonic wave and acquire ultrasonic wave through biology
Ultrasonic echo after Tissue reflectance.Elastograph imaging method emits ultrasonic wave by ultrasound transducer array, collects ultrasonic wave warp
The first ultrasonic echo after biological tissue's reflection to be imaged；Then biological tissue to be imaged is made to generate miniature deformation, again by
Ultrasound transducer array sends out ultrasonic wave, collects the second ultrasonic echo after biological tissue's reflection to be imaged.First ultrasound is returned
Wave, the second ultrasonic echo intercepted, sampled successively, Hilbert transform, and then obtains compressing front and back analytic signal.Pass through
The analytic signal for compressing front and back is handled, obtains compressing front and back estimation displacement, and further carry out elastogram accordingly.
In aforesaid way, the prior art makes biological tissue to be detected generate the mode of miniature deformation, is typically to pass through setting
Mechanical device or operator's hand-held ultrasound probe outside body apply pressure to tissue to be detected, applied external force
It is transmitted to body interior, tissue to be detected is caused to deform upon.
However, the above-mentioned mode for making biological tissue to be detected generate miniature deformation by external mechanical equipment makes system structure
It is complex；It applies stressed mode by hand above by operator and so that operating process is relatively complicated.
Invention content
In view of this, the utility model embodiment provides, a kind of ultrasound is interior to spy upon head and elastogram system, to solve
Stressed ask must be applied when obtaining biological tissue and being compressed forward and backward ultrasonic echo by external mechanical equipment or by hand
Topic.
According in a first aspect, the utility model embodiment provide it is a kind of ultrasound in spy upon head, including：Ultrasonic transducer battle array
Row, including multiple ultrasonic transducers for emitting ultrasonic wave, and receive the ultrasound that ultrasonic wave is reflected through biological tissue to be detected and return
Wave；Self-focusing ultrasonic transducer, for generating focused ultrasound beams, the focused ultrasound beams generate acoustic radiation force and act on institute
State biological tissue to be detected.
Optionally, the ultrasound transducer array forms arc-shaped curved surface structure.
Optionally, the self-focusing ultrasonic transducer is set to the middle part of the ultrasound transducer array.
Optionally, the ultrasound transducer array and the curved surface that the self-focusing ultrasonic transducer is formed are in cydariform or olive
Shape.
Optionally, the outer surface depressions setting of the self-focusing ultrasonic transducer；And/or the self-focusing ultrasonic transducing
Acoustic lens is provided on device.
Optionally, the ultrasound transducer array and the self-focusing ultrasonic transducer are set to base-plates surface；The base
Seat, which is provided with, axially penetrates through hole；The input of each array element, output signal line are described in the ultrasound transducer array
It axially penetrates through hole to pick out, and is set to the side of snooping head axial position in the ultrasound.
According to second aspect, the utility model embodiment provides a kind of elastogram system, including：First aspect or
Head is spied upon in ultrasound described in any one optional embodiment of first aspect；Ultrasound emission controller, with the ultrasonic transduction
The input terminal connection of each ultrasonic transducer in device array, emits ultrasonic wave for controlling each ultrasonic transducer；Ultrasonic reception
Collector is connect with the output end of each ultrasonic transducer in the ultrasound transducer array, for obtaining ultrasonic wave through to be checked
Survey the ultrasonic echo of biological tissue's reflection；Processor is connect with the ultrasonic reception collector, for received ultrasound
Echo is handled, and elastogram image is obtained；Display is connected to the processor, for the elastogram image
It is shown.
Optionally, snooping head is two or more in the ultrasound；Wherein, the ultrasonic transducer battle array of head is spied upon in each ultrasound
Row and self-focusing ultrasonic transducer are set to a base-plates surface, and each pedestal, which is both provided with, axially penetrates through hole；It is propped up by elasticity
Support member passes through axially penetrating through in the multiple ultrasounds of hole series winding for multiple pedestals to spy upon head.
Optionally, the elastic supporting member for supporting optical member is spring.
Optionally, the input of each array element, output signal line pass through the spring in the ultrasound transducer array
Inner cavity pick out, and be set to one end of the spring.
Snooping head and elastogram system in the ultrasound that the utility model embodiment provides, are obtained by ultrasound transducer array
Biological tissue is taken to obtain elastogram figure by forward and backward ultrasound echo signal is compressed to handle ultrasound echo signal
Picture；Focused ultrasound beams are generated by self-focusing ultrasonic transducer, is acted on and is waited for by the acoustic radiation force of the focused ultrasound beams
Biological tissue is detected, to make biological tissue to be detected generate deformation, to obtain biological tissue using snooping head in the ultrasound
When being compressed forward and backward ultrasound echo signal, apply external force by hand without operator, operating process is easy, without by means of
External mechanical devices reduce system cost；Ultrasound transducer array is set in same ultrasound with self-focusing ultrasonic transducer and peeps
On probe, without being respectively arranged on two probes, decoration structure features simple design can either reduce the pain of detected person, and can
So that easy to operate.
Description of the drawings
Can be more clearly understood the feature and advantage of the utility model by reference to attached drawing, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 shows the structural schematic diagram of snooping head in the ultrasound according to the utility model embodiment；
Fig. 2 shows according to the schematic top plan view for spying upon head in a kind of ultrasound of the utility model embodiment；
Fig. 3 shows the schematic elevation view of snooping head in a kind of ultrasound according to the utility model embodiment；
Fig. 4 respectively illustrates the schematic side view of snooping head in a kind of ultrasound according to the utility model embodiment；
Fig. 5 shows the general structure schematic diagram of snooping head in the another kind ultrasound according to the utility model embodiment；
Fig. 6 shows the axial sectional view of snooping head in the another kind ultrasound according to the utility model embodiment；
Fig. 7 shows a kind of schematic diagram of elastogram system according to the utility model embodiment；
Fig. 8 shows the schematic diagram of snooping head in the ultrasound in the elastogram system according to the utility model embodiment；
Fig. 9 shows a kind of schematic diagram of elastograph imaging method according to the utility model embodiment.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those skilled in the art are obtained without creative efforts belong to this reality
With novel protected range.
Embodiment one
Fig. 1 shows the structural schematic diagram of snooping head in the ultrasound according to the utility model embodiment, is spied upon in the ultrasound
Biological tissue is obtained when head to biological tissue for carrying out elastogram is compressed forward and backward ultrasound echo signal.It requires supplementation with
Illustrate, biological tissue herein includes blood vessel, stomach etc., also includes intraorganic tissue.
According to Fig. 1, snooping head includes ultrasound transducer array 10 and self-focusing ultrasonic transducer 20 in the ultrasound.It is super
Acoustic transducer array 10 includes multiple ultrasonic transducers, for emitting ultrasonic wave, and receives ultrasonic wave through biological tissue to be detected
The ultrasonic echo of reflection.For self-focusing ultrasonic transducer 20 for generating focused ultrasound beams, which will produce sound
Radiant force acts on biological tissue to be detected, to make biological tissue to be detected generate deformation.
Head is spied upon in above-mentioned ultrasound, obtaining biological tissue by ultrasound transducer array is compressed forward and backward ultrasonic echo
Signal obtains elastogram image to handle ultrasound echo signal；Focusing is generated by self-focusing ultrasonic transducer
Ultrasonic beam acts on biological tissue to be detected by the acoustic radiation force of the focused ultrasound beams, to make biological group to be detected
Generation deformation is knitted, when being compressed forward and backward ultrasound echo signal to obtain biological tissue using snooping head in the ultrasound, is not necessarily to
Operator applies external force by hand, and operating process is easy, without by means of external mechanical devices, reduces system cost；Ultrasound is changed
Energy device array is set to self-focusing ultrasonic transducer in same ultrasound on snooping head, without being respectively arranged at two probes
On, decoration structure features simple design can either reduce the pain of detected person, and can make easy to operate.
Embodiment two
The vertical view that Fig. 2, Fig. 3 and Fig. 4 respectively illustrate snooping head in a kind of ultrasound according to the utility model embodiment is shown
It is intended to, schematic elevation view and schematic side view, the interior snooping head of the ultrasound are used to obtain life when carrying out elastogram to biological tissue
Object tissue is compressed forward and backward ultrasound echo signal.It should be added that biological tissue herein includes blood vessel, stomach
Deng intraorganic can also organizing.
As shown in Fig. 2, snooping head includes ultrasound transducer array 10 and self-focusing ultrasonic transducer 20 in the ultrasound.About
The specific descriptions of ultrasound transducer array 10 and self-focusing ultrasonic transducer 20 please refer to embodiment one.
As shown in figure 3, ultrasound transducer array 10 forms arc-shaped curved surface structure.Plane is formed with ultrasound transducer array 10
Structure is compared, and arc-shaped curved surface structure can increase the visual field of ultrasonic endoscopic imaging probe, i.e., the biological tissue's model that can be observed
Enclose bigger.It illustrate only the situation that arc-shaped curved surface is minor arc curved surface in Fig. 3, in addition to this, which can also be excellent
Arc surface.
As a kind of optional embodiment of the present embodiment, self-focusing ultrasonic transducer 20 is set to ultrasound transducer array
Self-focusing ultrasonic transducer 20 is arranged, as shown in Figure 2 and Figure 4 in 10 middle part that is, within the scope of 10 region of ultrasonic transducer.
Self-focusing ultrasonic transducer 20 is set among multiple ultrasonic transducers, and the deformation position of biological tissue can be made to be located at ultrasound
The middle part of transducer array 10.It should be added that self-focusing ultrasonic transducer 20 can also be set to ultrasonic transducer
The side of array 10, for example, be set to above or below ultrasound transducer array 10 shown in Fig. 2, i.e. corresponding diagram 4 respectively
Shown in ultrasound transducer array 10 left or right side.In addition, the arrangement mode of multiple self-focusing ultrasonic transducers 20
It is not limited only to linear array shown in figure, can be arbitrary arrangement mode.
As a kind of optional embodiment of the present embodiment, the outer surface depressions of self-focusing ultrasonic transducer 20 are arranged.It is recessed
Ultrasonic wave can be brought together by falling into the outer surface of setting, form the focused ultrasound beams of power density bigger.Ultrasonic beam
Power density only reach certain value, generated acoustic radiation force can make biological tissue generate deformation.
Alternatively, a kind of variant embodiment as the above embodiment, it is arranged on self-focusing ultrasonic transducer 20 sound
Ultrasonic wave is brought together by lens by acoustic lens, forms the focused ultrasound beams of power density bigger.
Alternatively, the outer surface depressions setting of self-focusing ultrasonic transducer 20, and it is provided with acoustic lens, to more conducively will
Ultrasonic wave is brought together.
As a kind of optional embodiment of the present embodiment, ultrasound transducer array 10 and self-focusing ultrasonic transducer 20 are set
It is placed in 30 surface of pedestal, i.e., snooping head includes pedestal 30 in the ultrasound.As shown in figure 4, pedestal 30 is provided with and axially penetrates through hole.It is super
The input of each array element, output signal line are picked out by axially penetrating through hole in acoustic transducer array 10, and are set to ultrasound
The side of interior snooping head axial position.
Embodiment three
Fig. 5 and Fig. 6 respectively illustrates the overall structure of snooping head in the another kind ultrasound according to the utility model embodiment
Schematic diagram, axial sectional view, the ultrasound interior snooping head obtain biological tissue when being used to carry out elastogram to biological tissue and are pressed
Contract forward and backward ultrasound echo signal.It should be added that biological tissue herein includes blood vessel, stomach etc., it can also device
Tissue in official.
According to Fig.5, snooping head includes ultrasound transducer array 10 and self-focusing ultrasonic transducer 20, tool in the ultrasound
Body please refers to embodiment one.
As shown in figure 5, ultrasound transducer array 10 is in cydariform or olive with the curved surface that self-focusing ultrasonic transducer 20 is formed
Shape.To which ultrasound transducer array 10 forms arc-shaped curved surface structure, compared with ultrasound transducer array 10 forms planar structure, arc
Shape curved-surface structure can increase the visual field of ultrasonic endoscopic imaging probe, i.e., the biological tissue's range bigger that can be observed.In addition,
The curved surface that ultrasound transducer array 10 is formed with self-focusing ultrasonic transducer 20 is in cydariform or olive shape, i.e., ultrasonic transducer is in drum
Shape or olive shape are circumferentially distributed so that and snooping head can detect the biological tissue around it within the scope of multi-angle in the ultrasound,
Without rotation.
As a kind of optional embodiment of the present embodiment, self-focusing ultrasonic transducer 20 is set to ultrasound transducer array
Self-focusing ultrasonic transducer 20 is arranged, as shown in Figure 5 and Figure 6 in 10 middle part that is, within the scope of 10 region of ultrasonic transducer.
Self-focusing ultrasonic transducer 20 is set among multiple ultrasonic transducers, and the deformation position of biological tissue can be made to be located at ultrasound
The middle part of transducer array 10.It should be added that self-focusing ultrasonic transducer 20 can be set to ultrasonic transducer battle array
The one or both sides of row 10.In addition, the arrangement mode of multiple self-focusing ultrasonic transducers 20 is also not limited to line shown in figure
Shape arranges, and can be arbitrary arrangement mode.
As a kind of optional embodiment of the present embodiment, the outer surface depressions of self-focusing ultrasonic transducer 20 are arranged.It is recessed
Ultrasonic wave can be brought together by falling into the outer surface of setting, form the focused ultrasound beams of power density bigger.Ultrasonic beam
Power density only reach certain value, generated acoustic radiation force can make biological tissue generate deformation.
Alternatively, a kind of variant embodiment as the above embodiment, it is arranged on self-focusing ultrasonic transducer 20 sound
Ultrasonic wave is brought together by lens by acoustic lens, forms the focused ultrasound beams of power density bigger.
Alternatively, the outer surface depressions setting of self-focusing ultrasonic transducer 20, and it is provided with acoustic lens, to more conducively will
Ultrasonic wave is brought together.
As a kind of optional embodiment of the present embodiment, ultrasound transducer array 10 and self-focusing ultrasonic transducer 20 are set
It is placed in 30 surface of pedestal, i.e., snooping head includes pedestal 30 in the ultrasound.As shown in Figure 5 and Figure 6, pedestal 30, which is provided with, axially penetrates through
Hole.The input of each array element, output signal line are picked out by axially penetrating through hole in ultrasound transducer array 10, and are set to
The side of snooping head axial position in ultrasonic.As shown in figure 5, the input of each array element, output signal line are connected to
Signal shaft in figure, the signal shaft are located at the right positions of snooping head axial direction in ultrasound.The signal shaft is divided into 41,42 two parts,
41 parts connect input signal, and 42 parts connect output signal.
Example IV
Fig. 7 shows a kind of schematic diagram of elastogram system according to the utility model embodiment, the elastogram system
System to biological tissue for carrying out elastogram.It should be added that biological tissue herein includes blood vessel, stomach etc.,
It intraorganic can also organize.
According to Fig.7, which includes embodiment one to three or its any one optional embodiment
Head is spied upon in the ultrasound, further includes ultrasound emission controller 50, ultrasonic reception collector 60, processor 70 and display
80。
Ultrasound emission controller 50 is connect with the input terminal of each ultrasonic transducer in ultrasound transducer array 10, for controlling
Make each ultrasonic transducer transmitting ultrasonic wave.
Ultrasonic reception collector 60 is connect with the output end of each ultrasonic transducer in ultrasound transducer array 10, for obtaining
The ultrasonic echo for taking ultrasonic wave to be reflected through biological tissue to be detected.
Processor 70 is connect with ultrasonic reception collector 60, for handling received ultrasonic echo, is obtained
Elastogram image.
Display 80 is connect with processor 70, for being shown to elastogram image.
As a kind of optional embodiment of the present embodiment, as shown in figure 8, in ultrasound snooping head be it is more than two (including
Two).Wherein, the ultrasound transducer array of snooping head and self-focusing ultrasonic transducer are set to a pedestal table in each ultrasound
Face, each pedestal, which is both provided with, axially penetrates through hole.By elastic supporting member for supporting optical member pass through multiple pedestals axially penetrate through hole contact it is multiple
Head is spied upon in ultrasonic.
Optionally, elastic supporting member for supporting optical member is spring.
As a kind of optional embodiment of the present embodiment, each array element inputs, is defeated in ultrasound transducer array
Go out signal wire to pick out across the inner cavity of spring, and be set to one end of spring, as shown in Figure 8.
Embodiment five
Fig. 9 shows that a kind of schematic diagram of elastograph imaging method according to the utility model embodiment, this method are suitable for
Elastogram system described in example IV or its any one optional embodiment.According to Fig.9, this method includes such as
Lower step：
S10：It controls each ultrasonic transducer in ultrasound transducer array and emits the first ultrasonic wave, and acquire the first ultrasonic wave
The first ultrasonic echo reflected through biological tissue to be detected.
S20：Self-focusing ultrasonic transducer transmitting focusing ultrasonic beam is controlled, focused ultrasound beams generate acoustic radiation force effect
In biological tissue to be detected, biological tissue to be detected is made to generate deformation.
S30：It controls each ultrasonic transducer in ultrasound transducer array and emits the second ultrasonic wave, and acquire the second ultrasonic wave
The second ultrasonic echo reflected through biological tissue to be detected.
S40：Received the first ultrasonic echo and the second ultrasonic echo are handled by processor, obtain elasticity
Image.
S50：Elastogram image is shown by display.
It should be added that there are many ways to step S40 handles to obtain imaging results ultrasonic echo,
The application does not limit herein.
As a kind of optional embodiment of the present embodiment, step S40 can be according to the first ultrasonic echo and the second ultrasound
Echo analysis, when obtaining biological tissue's generation deformation, the spread speed of shearing wave in biological tissues recycles shearing wave in life
Spread speed in object tissue calculates the quantitative elastic data for tissue of attaining the Way with the linear relationship of elasticity, and then obtains elastogram
Image.
Although being described in conjunction with the accompanying the embodiments of the present invention, those skilled in the art can not depart from this
Various modifications and variations can be made in the case of the spirit and scope of utility model, and such modifications and variations are each fallen within by appended power
Profit requires within limited range.
Claims (10)
1. spying upon head in a kind of ultrasound, which is characterized in that including：
Ultrasound transducer array, including multiple ultrasonic transducers for emitting ultrasonic wave, and receive ultrasonic wave through biology to be detected
The ultrasonic echo of Tissue reflectance；
Self-focusing ultrasonic transducer, for generating focused ultrasound beams, the focused ultrasound beams generate acoustic radiation force and act on
The biological tissue to be detected.
2. spying upon head in ultrasound according to claim 1, which is characterized in that it is bent that the ultrasound transducer array forms arc
Face structure.
3. spying upon head in ultrasound according to claim 1 or 2, which is characterized in that the self-focusing ultrasonic transducer setting
In the middle part of the ultrasound transducer array.
4. spying upon head in ultrasound according to claim 3, which is characterized in that the ultrasound transducer array and the autohemagglutination
The curved surface that burnt ultrasonic transducer is formed is in cydariform or olive shape.
5. spying upon head in ultrasound according to claim 1, which is characterized in that the outer surface of the self-focusing ultrasonic transducer
Recess setting；And/or it is provided with acoustic lens on the self-focusing ultrasonic transducer.
6. spying upon head in ultrasound according to claim 1, which is characterized in that the ultrasound transducer array and the autohemagglutination
Burnt ultrasonic transducer is set to base-plates surface；
The pedestal, which is provided with, axially penetrates through hole；The input of each array element, output signal in the ultrasound transducer array
Line axially penetrates through hole described in and picks out, and is set to the side of snooping head axial position in the ultrasound.
7. a kind of elastogram system, is characterized in that, including：
Head is spied upon in claim 1 to 6 any one of them ultrasound；
Ultrasound emission controller is connect with the input terminal of each ultrasonic transducer in the ultrasound transducer array, for controlling
Each ultrasonic transducer emits ultrasonic wave；
Ultrasonic reception collector is connect with the output end of each ultrasonic transducer in the ultrasound transducer array, for obtaining
The ultrasonic echo that ultrasonic wave is reflected through biological tissue to be detected；
Processor is connect with the ultrasonic reception collector, for handling received ultrasonic echo, obtains elasticity
Image；
Display is connected to the processor, for being shown to the elastogram image.
8. elastogram system according to claim 7, which is characterized in that snooping head is two or more in the ultrasound；
Wherein, the ultrasound transducer array of snooping head and self-focusing ultrasonic transducer are set to a base-plates surface in each ultrasound, often
A pedestal, which is both provided with, axially penetrates through hole；
Axially penetrating through in the multiple ultrasounds of hole series winding for multiple pedestals is passed through to spy upon heads by elastic supporting member for supporting optical member.
9. elastogram system according to claim 8, which is characterized in that the elastic supporting member for supporting optical member is spring.
10. elastogram system according to claim 9, which is characterized in that each battle array in the ultrasound transducer array
The input of column unit, output signal line pass through the inner cavity of the spring to pick out, and are set to one end of the spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720734740.7U CN207640439U (en) | 2017-06-22 | 2017-06-22 | A kind of ultrasound is interior to spy upon head and elastogram system |
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| CN201720734740.7U CN207640439U (en) | 2017-06-22 | 2017-06-22 | A kind of ultrasound is interior to spy upon head and elastogram system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260216A (en) * | 2017-06-22 | 2017-10-20 | 苏州国科昂卓医疗科技有限公司 | Pry head and elastogram system, method in a kind of ultrasound |
-
2017
- 2017-06-22 CN CN201720734740.7U patent/CN207640439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260216A (en) * | 2017-06-22 | 2017-10-20 | 苏州国科昂卓医疗科技有限公司 | Pry head and elastogram system, method in a kind of ultrasound |
| CN107260216B (en) * | 2017-06-22 | 2023-09-19 | 苏州国科昂卓医疗科技有限公司 | Ultrasonic endoscopic probe and elastic imaging system and method |
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