CN207270582U - A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe - Google Patents
A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe Download PDFInfo
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- CN207270582U CN207270582U CN201720273868.8U CN201720273868U CN207270582U CN 207270582 U CN207270582 U CN 207270582U CN 201720273868 U CN201720273868 U CN 201720273868U CN 207270582 U CN207270582 U CN 207270582U
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Abstract
The utility model discloses a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe, it includes ultrasonic focusing energy transducer, supporting structure, water pocket and ultrasound imaging probe, the ultrasonic focusing energy transducer is symmetrically sealed in the left and right sides inside supporting structure by silicon rubber, the water pocket being surrounded by as the full inclusion component of waterproof of supporting structure, the full couplant of gap filling between water pocket and supporting structure, the upper surface of the supporting structure is the hyperboloid of arc-shaped, and supporting structure center is equipped with square through hole, the ultrasound imaging probe is placed with the through hole.The primitive bulk of the utility model focused transducer is small, it is easier to controls acoustic beam wide-angle deflection；Imaging probe and patient body are closer to the distance in the utility model at the same time, are conducive to ultrasonic imaging, can improve the image definition in therapeutic process.
Description
Technical field
A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe is the utility model is related to, belongs to medical instrument
Technical field.
Background technology
For power ultrasonic in the application of medical field, a kind of common mode is exactly the transmitting focusing work(out of human body extroversion human body
Rate ultrasonic wave, specific region forms larger energy accumulating and changes tissue biological's characteristic in the region in human body, realizes
Treat the purpose of disease.Ultrasonic transducer therein is used to convert electric energy to acoustic energy and be transmitted in human body, current common
Ultrasonic transducer is generally using composition forms such as single transducer, multiple transducer arrays, hundreds of transducer arrays.Either
Which kind of mode, all uses spherical cap shape substantially, is positioned in spherical crown bottom centre position equipped with through hole as guiding ultrasonic probe.
When spherical crown shape ultrasonic transducer is with human contact, there is certain distance in bottom with human body surface, makes before the treatment
Need imaging probe stretching out a distance shortening and distance between human body as far as possible during with imaging probe, when being treated, in order not to
Power ultrasonic is blocked, imaging probe will retract, and increased with target area distance, influence Real Time Observation effect, described in the utility model
Concave structure can be bonded with human body, and imaging probe, which does not have to stretch out, retracts.
For multiple transducer arrays, hundreds of transducer arrays, when using the arrangement mode of spherical crown shape, list therein
A transducer is generally using the shape such as circle, polygon, trapezoidal.The transducer of these shapes using phased array control circuit into
During row acoustic beam electronic deflection, it can realize 360 degree of omnidirectional's deflections, but because its size in each direction is bigger, foundation
Acoustics General Principle, its deflectable angle in each direction is smaller, have impact on practicality.It is described in the utility model recessed
Shape structure is employed in a manner of composite material makes bar shaped transducer array, and single transducer is in elongate strip spill, when
The width of transducer unit is small-sized, has good acoustic beam deflectable property, so as to carry out acoustic beam electricity in this direction
Son deflection possesses practicality, second, making energy preferably be focused on to central plane into concave in strip direction.
Utility model content
To overcome above-mentioned the shortcomings of the prior art, the utility model provides a kind of hyperbolic with three-dimensional imaging probe
Noodles shape power ultrasonic device.
The technical solution that the utility model is taken is as follows：
A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe, it includes ultrasonic focusing energy transducer, support
Structural member, water pocket and ultrasound imaging probe, the ultrasonic focusing energy transducer is by waterproof glue sealing inside supporting structure
The left and right sides, the water pocket being surrounded by as the full inclusion component of waterproof of the supporting structure, the water pocket with support tie
The full couplant of gap filling between component, the upper surface of the supporting structure is the single-curved surface of arc-shaped, and supports knot
Member center position is equipped with square through hole, and the ultrasound imaging probe is placed with the square through hole, and the ultrasonic imaging is visited
Head is located in square fixing piece, and the inner wall of square fixing piece and square through hole is bonded to each other；The ultrasonic focusing energy transducer includes
Thin back lining components, thick backing and protective layer, the upper surface of the thickness backing and protective layer is circular arc camber, the thin backing group
The inside of part is provided with grooving, and thin back lining components are pasted onto by glue on the curved surface of thick backing, and outer matching layer is pasted by glue
On the curved surface of thin back lining components, the protective layer protective layer is concave inward structure and is sleeved on guarantor above outer matching layer and thick backing
Sheath isolates transducer intraware and couplant.
The centre frequency of the ultrasonic focusing energy transducer is 0.2MHz-5MHz, and relative bandwidth is not less than 50%；The thick back of the body
Acoustic impedance range 2MRayl to the 15MRayl of lining, surface curvature radius are 5cm-25cm, its curved surface is hyperboloid.
Glue or glue mixture are filled in the grooving, which is insulation class glue.The protective layer protective layer its
The middle velocity of sound is more than the velocity of sound in water, and center maximum gauge is 0.5mm-5mm.
The thin back lining components include thin backing, and are sequentially arranged at the FPC positive electrode layers of thin backing upper surface, piezoresistive material
The bed of material, interior matching layer, FPC copper-foil conducting electricities side are pasted on piezoelectric material layer with conductive glue, and FPC insulation side is glued with glue
It is attached on thin backing, piezoelectric material layer opposite side fastens with glue interior matching layer, and cuts out a plurality of grooving by scribing machine.
Thin backing acoustic impedance range 2MRayl to the 15MRayl；The piezoelectric material layer is used with emission type piezoelectricity
Ceramics are the piezo-electricity composite material of the 1-3 structures of substrate；The FPC positive electrode layers are the soft board with copper conductive layer；Described interior
With layer acoustic impedance range 3MRayl-15MRayl, its width is less than piezoelectric material layer.
The depth of the grooving gos deep into thin backing to cut through piezoelectric material layer, and depth is at least up to thin backing thickness
1/2, notch width 0.05mm-0.2mm, grooving number be more than 20, array element spacing is 0.5mm-2mm, or each grooving it
Between the secondary grooving that is of uniform thickness of additional depth and piezoelectric material layer, form primitive, primitive number is 1-3.
The supporting structure material is stainless steel or aluminium, and drawing rectangular body region inside it is used to inlay the focus ultrasonic
Transducer, it is adjustable around four faces direction of ultrasonic focusing energy transducer, two energy transducer focus for making to inlay can overlap to a little or
Two different points, supporting structure surface curvature radius are 5cm-25cm, match area for treatment body surface curved surface, it can be by upper
Portion's mechanical structure carries out translational motion；Ultrasonic focusing energy transducer can by electron channel delays time to control focus depth position and partially
Indexing is put；The ultrasound imaging probe is two-dimensional array, and primitive sum is 64-16384, centre frequency 3MHz-8MHz；Institute
State and couplant is loaded in water pocket serve as acoustic propagation transition medium between transducer and water pocket, water pocket material is meets bio-compatible
Property material；The couplant is de aerated water, it can be circulated by external peristaltic pump.
The square fixing piece, its inner surface configuration is with ultrasound imaging probe case surface shape complementation to ensure to paste completely
Close, and ultrasound imaging probe is bonded to inside square fixing piece using silicon rubber, its outer surface is fitted closely with supporting structure
And seal.
The beneficial effects of the utility model are：The primitive bulk of the utility model focused transducer is small, it is easier to controls
Acoustic beam wide-angle deflection processed.In spherical crown shape therapeutic system each transducer it is larger in the size of all directions, it can be achieved that acoustic beam
Electronic deflection angle is smaller, and practicality is very poor.
The utility model supporting structure surface curvature is variable to match body surface curved surface, and supporting structure empties rectangular body region
Direction-agile, synthesizes total focus with ultrasonic focusing energy transducer focus, makes total focal position be more convenient to adjust, on the other hand expand
The scope of design of transducer parameters.
The utility model handles relevant range using the heat that focus ultrasonic produces, and this regional temperature is risen to necessarily
Numerical value is simultaneously continued for some time to reach therapeutic purposes.Wherein loading couplant serves as the transition medium between transducer and water pocket
And remove the heat of ultrasonic transducer generation.
Using face battle array mode, it does not have the ultrasound imaging probe of the utility model compared to by the way of rotating and translating
There is a Mechanical course, assembling is simpler, and resolution ratio uniformity is good during composograph.
The hyperboloid that the utility model uses is that ultrasonic focusing energy transducer is directly made width is also concave curved surface
Shape, it is focused on by mechanical structure, eliminates condenser lens, greatly reduces loss.And single-curved surface is in the poly- of width
What Jiao leaned on is that focusing is realized in the refraction of condenser lens, but the loss in lens is bigger.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2A is two-dimensional array image probe typical outside view.
Fig. 2 B are the emission array structure diagram inside the battle array probe of face.
Fig. 3 is Vltrasonic device top view.
Fig. 4 is Vltrasonic device profile.
Fig. 5 is ultrasonic focusing energy transducer internal cross section figure.
Application scenario diagram when Fig. 6 treats for Vltrasonic device.
In figure：1- ultrasonic focusing energy transducers, 2- water pockets, 3- couplants, 4- supporting structures, 5- ultrasound imaging probes, 6-
Protective layer, the thin backings of 8-, 9- thickness backings, matching layer in 10-, 11- piezoelectric material layers, 12- groovings, 13-FPC positive electrode layers,
The square fixing pieces of 14-.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe, it includes ultrasound
Focused transducer 1, supporting structure 4, water pocket 2 and ultrasound imaging probe 5, the ultrasonic focusing energy transducer 1 pass through silicon rubber pair
Claim to be sealed in the left and right sides inside supporting structure 4, the supporting structure 4 is surrounded by as the full inclusion component of waterproof
Water pocket 2, the full couplant 3 of gap filling between the water pocket 2 and supporting structure 4, the upper surface of the supporting structure 4
For the single-curved surface of arc-shaped, and 4 center of supporting structure is equipped with square through hole, is placed with the ultrasound in the through hole
Imaging probe 5, the ultrasound imaging probe 5 are placed in square fixing piece 14, the left and right ends of fixing piece 14 and square through hole
Inner wall be bonded to each other.
As shown in figure 5, the ultrasonic focusing energy transducer 1 includes thin back lining components, thick backing 9 and protective layer 6, the thick back of the body
Lining 9 and the A directions of protective layer 6 and B directions are circular arc camber, and the inside of the thin back lining components is provided with grooving 12, thin backing
Component is pasted onto by glue on the curved surface of thick backing 9, and the protective layer 6 is concave arc structure and fully wrapped around firmly thin backing
Component and thick 9 upper isolation transducer intraware of backing and couplant 3.
This hyperboloid transducer, A directions and B directions depend on mechanical bend focusing, and front end only needs plus one layer of thin guarantor
Sheath isolates intraware and coupled outside agent, the decay very little in protective layer.Can unrestricted choice according to the distance of focus
The bending radius of two different directions, focal position range of choice are big.And single-curved surface transducer corresponding thereto, A directions rely on
Mechanical bend focuses on, and B directions rely on lens focus, and since B directions scale is big, goal-focus more closely needs lens thickness thicker,
Decay in lens bigger, the more remote lens focus sound field of goal-focus more dissipates, and focusing effect is very poor, limits focus selection model
Enclose.
As the preferred of the present embodiment, the centre frequency of the ultrasonic focusing energy transducer 1 is 0.2MHz-5MHz, opposite band
It is wide to be not less than 50%；Acoustic impedance range 2MRayl to the 15MRayl of the thickness backing 9, surface curvature radius is 5cm-25cm,
Its curved surface is circular arc hyperboloid.Glue or glue mixture are filled in the grooving 12, which is insulation class glue.
As the preferred of the present embodiment, the protective layer 6 wherein velocity of sound is more than the velocity of sound in water, and center maximum gauge is
0.5mm-5mm。
As the preferred of the present embodiment, the thin back lining components include thin backing 8, and are sequentially arranged at thin 8 upper table of backing
FPC positive electrode layers 13, piezoelectric material layer 11, the interior matching layer 10 in face, FPC copper-foil conducting electricities side paste piezoelectricity with conductive glue
In material layer, FPC insulation side fastens with glue onto thin backing 8, and 11 opposite side of piezoelectric material layer fastens with glue interior matching
Layer 10, and a plurality of grooving 12 is cut out by scribing machine.
As the preferred of the present embodiment, thin 8 acoustic impedance range 2MRayl to the 15MRayl of backing；The piezoresistive material
The bed of material 11 uses emission type piezoelectric ceramics or the piezo-electricity composite material using it as the 1-3/2-2 structures of substrate；The FPC positive electrodes
Layer 13 is the soft board with copper conductive layer；The 10 acoustic impedance range 3MRayl-15MRayl of interior matching layer, its width are less than pressure
Material layer.
As the preferred of the present embodiment, the depth of the grooving 12 gos deep into thin backing 8 to cut through piezoelectric material layer 11,
Depth is at least up to the 1/2 of thin backing thickness, 12 width 0.05mm-0.2mm of grooving, and grooving number is more than 20, and array element spacing is
0.5mm-2mm, or the secondary grooving that additional depth is of uniform thickness with piezoelectric material layer 11 between each grooving 12, form base
Member, primitive number are 1-3.
As the preferred of the present embodiment, 4 material of supporting structure is stainless steel or aluminium, draws rectangular body region inside it
It is adjustable around four faces direction of ultrasonic focusing energy transducer 1 for inlaying the ultrasonic focusing energy transducer 1,4 table of supporting structure
Curvature radius is 5cm-25cm, matches area for treatment body surface curved surface, it can carry out translational motion by top mechanical structure；Institute
Stating ultrasonic focusing energy transducer 1 can be by electron channel delays time to control focus depth position and inflection point；The ultrasonic imaging is visited
First 5 be face battle array, and primitive sum is 64-16384, centre frequency 3MHz-8MHz；Couplant is loaded in the water pocket 2 to serve as
Acoustic propagation transition medium between transducer and water pocket, 2 material of water pocket are to meet biocompatible materials；The couplant 3 is
De aerated water, it can be circulated by external peristaltic pump.
As the preferred of the present embodiment, the square fixing piece 14, its inner surface configuration and 5 shell table of ultrasound imaging probe
Face shape complementation is to ensure to be bonded completely, and using silicon rubber bonding ultrasound imaging probe 5 to inside square fixing piece 14, outside it
Surface fits closely and seals with supporting structure 4.
In the utility model, the method that makes the focused transducer, its production method is：
（1）Thick backing is made first, by processing arc by turning mould after mould pre-production cuboid-type material
Surface；Thin backing is made again, by being refined after mould pre-production cuboid-type material by lathe to 0.3mm-2mm, then
Lathe is refined to 0.2mm-2mm after matching layer in making；
（2）Glued thin backing, piezoelectric material layer, FPC and interior matching layer form the thin backing group described in claim 9
Part, refines the thin back sheet in this component afterwards, and it is 2.0mm-5.0mm to make component integral thickness, this group is machined by scribing
Thin back lining components indent after the completion of cutting, is molded and fits in the curved surface of thick backing by the grooving in part by molding die afterwards
On, grooving is filled using glue afterwards, is glued and thin wire to piezoelectric material layer both sides exposed portion, conducting resinl using conductive glue
The protection of epoxy glue curing is reused after water cure thereon, its height of projection is no more than interior matching layer height；
（3）Protective layer is formed using die casting.
As shown in fig. 6, the application method of this hyperboloid strip power ultrasonic device with three-dimensional imaging probe is：Exist first
Smear coupling agent for medical use in water pocket lower surface（General spawn during ultrasound diagnosis）, lesion is pressed onto by exterior mechanical structure
Area top general area, opens imaging probe detection focal zone, and the exterior mechanical structure adjustment treatment probe positions of control, make manually
For focal zone generally within imaging probe location mid-shaft, startup imaging probe three-dimensional function, 3D figures are synthesized by host software, whole
Body grasps focal zone three-dimensional information, is shown in computer and delimit area for treatment on figure, and daemon software automatically generates therapeutic scheme, system
Determine therapy target position and number, it is automatic to plan mechanical motion mode and each target spot electronic delay to control focus depth position
And inflection point, start to treat, energy continues for some time at each target spot, while uses temperature at algorithm real time monitoring target spot
Rise, next target spot is jumped to after reaching threshold value, continue until that all target treatments are completed, in whole therapeutic process, water pocket
Middle couplant carries out circulation by external peristaltic pump and takes away the heat that treatment probe produces in treatment.Pass through imaging after completing treatment
Probe assessment treatment Preliminary Results.
The basic principle, main feature and advantage of the utility model has been shown and described above.The ordinary skill of this area
Personnel are not it should be appreciated that above-described embodiment limits the scope of protection of the utility model, all use equivalent substitutions etc. in any form
The technical solution that mode is obtained, falls within the scope of protection of the utility model.
The utility model is not directed to partly same as the prior art or can be realized using the prior art.
Claims (8)
- A kind of 1. hyperboloid strip power ultrasonic device with three-dimensional imaging probe, it is characterised in that：Including focus ultrasonic transducing Device（1）, supporting structure（4）, water pocket（2）And ultrasound imaging probe（5）, the ultrasonic focusing energy transducer（1）Pass through marine glue Water-stop is in supporting structure（4）The internal left and right sides, the supporting structure（4）Be surrounded by as the full inclusion of waterproof The water pocket of component（2）, the water pocket（2）With supporting structure（4）Between the full couplant of gap filling（3）, the support knot Component（4）Upper surface be arc-shaped single-curved surface, and supporting structure（4）Center is equipped with square through hole, in the party The ultrasound imaging probe is placed with shape through hole（5）, the ultrasound imaging probe（5）It is located at square fixing piece（14）In, side Shape fixing piece（14）Pass through waterproof glue sealing with the inner wall of square through hole；The ultrasonic focusing energy transducer（1）Including thin backing Component, thick backing（9）And protective layer（6）, the thickness backing（9）And protective layer（6）Upper surface be circular arc hyperboloid, it is described The inside of thin back lining components is provided with grooving（12）, thin back lining components are pasted onto thick backing by glue（9）Curved surface on, the guarantor Sheath protective layer（6）For concave arc structure and fully wrapped around firmly thin back lining components and thick backing（9）Upper protective layer isolation is changed Can device intraware and couplant（3）.
- 2. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1, its feature exist In：The ultrasonic focusing energy transducer（1）Centre frequency be 0.2MHz-5MHz, relative bandwidth is not less than 50%；The thickness backing （9）Acoustic impedance range 2MRayl to 15MRayl, surface curvature radius is 5cm-25cm, its curved surface is circular arc hyperboloid.
- 3. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1, its feature exist In：The grooving（12）Glue or glue mixture are inside filled, which is insulation class glue；The protective layer protective layer（6） Wherein the velocity of sound is more than the velocity of sound in water, and center maximum gauge is 0.5mm-5mm.
- 4. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1, its feature exist In：The thin back lining components include thin backing（8）, and it is sequentially arranged at thin backing（8）The FPC positive electrode layers of upper surface（13）、 Piezoelectric material layer（11）, interior matching layer（10）, FPC copper-foil conducting electricities side pastes piezoelectric material layer with conductive glue（11）On, FPC insulation side fastens with glue to thin backing（8）On, piezoelectric material layer（11）Opposite side fastens with glue interior matching layer （10）, and a plurality of grooving is cut out by scribing machine（12）.
- 5. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 4, its feature exist In：The thin backing（8）Acoustic impedance range 2MRayl to 15MRayl；The piezoelectric material layer（11）Use to launch class pressure Electroceramics is the piezo-electricity composite material of the 1-3 structures of substrate；The FPC positive electrode layers（13）For the soft board with copper conductive layer；Institute State interior matching layer（10）Acoustic impedance range 3MRayl-15MRayl, its width are less than piezoelectric material layer.
- 6. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1 or 4, its feature It is：The grooving（12）Depth to cut through piezoelectric material layer（11）, and go deep into thin backing（8）, depth is at least up to the thin back of the body The 1/2 of thickness of the liner degree, grooving（12）Width 0.05mm-0.2mm, grooving number are more than 20, and array element spacing is 0.5mm-2mm, or The secondary grooving that additional depth is of uniform thickness with piezoelectric material layer (11) between each grooving (12), forms primitive, primitive number For 1-3.
- 7. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1, its feature exist In：The supporting structure（4）Material is stainless steel or aluminium, rectangular body region is drawn inside it is used to inlaying the focus ultrasonic and change Can device（1）, around ultrasonic focusing energy transducer（1）Four faces direction it is adjustable, supporting structure（4）Surface curvature radius is 5cm- 25cm, matches area for treatment body surface curved surface, it can carry out translational motion by top mechanical structure；The ultrasonic focusing energy transducer （1）Electron channel delays time to control focus depth position and inflection point can be passed through；The ultrasound imaging probe（5）For two-dimensional surface Battle array, primitive sum are 64-16384, centre frequency 3MHz-8MHz；The water pocket（2）Middle loading couplant serves as transducer Acoustic propagation transition medium between water pocket, water pocket（2）Material is to meet biocompatible materials；The couplant（3）It is de- Air water, it can be circulated by external peristaltic pump.
- 8. a kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe according to claim 1, its feature exist In：The square fixing piece（14）, its inner surface configuration and ultrasound imaging probe（5）The complementation of case surface shape is complete to ensure Fitting, and using silicon rubber bonding ultrasound imaging probe（5）To square fixing piece（14）Inside, its outer surface and supporting structure （4）Fit closely and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273868.8U CN207270582U (en) | 2017-03-21 | 2017-03-21 | A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273868.8U CN207270582U (en) | 2017-03-21 | 2017-03-21 | A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe |
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| Publication Number | Publication Date |
|---|---|
| CN207270582U true CN207270582U (en) | 2018-04-27 |
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|---|---|---|---|
| CN201720273868.8U Expired - Fee Related CN207270582U (en) | 2017-03-21 | 2017-03-21 | A kind of hyperboloid strip power ultrasonic device with three-dimensional imaging probe |
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| Country | Link |
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