CN206924084U - Ultrasonic probe - Google Patents
Ultrasonic probe Download PDFInfo
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- CN206924084U CN206924084U CN201621283661.0U CN201621283661U CN206924084U CN 206924084 U CN206924084 U CN 206924084U CN 201621283661 U CN201621283661 U CN 201621283661U CN 206924084 U CN206924084 U CN 206924084U
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Abstract
The utility model provides a kind of ultrasonic probe, in the ultrasonic probe, probe body, including matching layer, piezoelectric layer and the back sheet being sequentially connected；Graphite radiating unit, including first end and the second end, at least a portion of the first end are arranged on inside the back sheet, and the second end is extended to outside the back sheet by the first end and formed.When graphite radiating unit is as heat conduction and heat radiation structure, being capable of heat caused by quick release piezoelectric layer, when first end part is arranged on inside back sheet, the ultrasonic wave that probe rear end can be avoided enter into is reflected back the interface of back sheet again, prevent probe from producing image artifacts, thus ultrasonic probe of the present utility model can effectively ensure the transmission of signal in ultrasonic probe while possessing excellent heat dispersion performance.
Description
Technical field
It the utility model is related to the technical field of supersonic imaging device, more particularly to a kind of ultrasonic probe.
Background technology
The electric impulse signal of excitation is converted to ultrasonic signal and enters patient's body by the operation principle of ultrasonic probe, then will
Ultrasound echo signal is converted to electric signal, so as to realize the conversion of energy.During acoustic energy and electric energy are mutually changed, it can produce
Raw certain heat, with the vibration of piezoelectric in probe, heat constantly produces.The piezoelectricity number of plies is more, participates in the battle array of vibration
Member is more, and quantity of heat production is bigger, and fuel factor is also more obvious.In actual applications, caused amount of heat must be dissipated in probe
Fall, it is impossible to assemble, otherwise can cause the probe distal end temperature exceeding standard directly contacted with patient skin, so that ultrasonic probe performance
Degeneration.
As shown in figure 1, the existing method for solving ultrasonic probe radiating is to set radiation aluminium platform 3 in the rear end of backing 2.Aluminium platform 3
It is connected by screw with aluminium support frame 4, aluminium support frame 4 is connected by heat-conducting glue or physical contact with cable protection tail sleeve component
Connect, cable protection tail sleeve component is molded by aluminum component insertion engineering plastics, therefore piezoelectric layer generation heat can pass through backing
2, then cable protection tail sleeve component is reached by aluminium platform 3, aluminium support frame 4, cable protection tail sleeve component is connected with handle housing, from
And heat is directed at handle housing, outwardly radiated by handle case.
Although the above-mentioned ultrasonic probe provided with aluminium platform 3 can realize radiating, because aluminium has larger sound in itself
Impedance, the acoustic attenuation effect of backing 2 is influenceed, disturb the signal of ultrasonic probe, the transmission of its signal is affected.
Utility model content
The purpose of this utility model is to solve ultrasonic probe in the prior art and is realizing that ultrasonic probe is believed while radiating
Number transmission the problem of being affected.
In order to solve the above technical problems, the utility model provides a kind of ultrasonic probe, the ultrasonic probe includes：Probe is originally
Body, including matching layer, piezoelectric layer and the back sheet being sequentially connected；Graphite radiating unit, including first end and the second end, institute
At least a portion for stating first end is arranged on inside the back sheet, and the second end extends to institute by the first end
State and formed outside back sheet.
Preferably, the graphite radiating unit includes multiple graphite heat radiation fins, and the multiple graphite heat radiation fin is along the spy
The width of head body is arranged at intervals.
Preferably, the top of the graphite heat radiation fin is narrowed form tip upwards.
Preferably, the thickness of the graphite heat radiation fin is 0.5mm-3mm.
Preferably, the graphite radiating unit for bifurcation structure, the bifurcation structure includes at least two furcation bodies.
Preferably, the top of the furcation body is narrowed form tip upwards.
Preferably, the top of the first end is in contact with the upper surface of the back sheet.
Preferably, the bottom of the second end is provided with support set, for fixing the graphite radiating unit.
As shown from the above technical solution, the beneficial effects of the utility model are：
In ultrasonic probe of the present utility model, first end at least a portion of graphite radiating unit is arranged in back sheet
Portion, the ultrasonic wave that can avoid enter into probe rear end are reflected back the interface of back sheet, prevent probe signal to be interfered again；Second
End is extended to outside back sheet by first end, can be conducted heat caused by piezoelectric layer to outside probe, be avoided heat from visiting
Aggregation in head；When graphite radiating unit is as heat conduction and heat radiation structure simultaneously, compared with heat dissipation metal structure, there is higher lead
Hot radiating efficiency, can heat caused by quick release piezoelectric layer, the acoustic impedance of graphite radiating unit is far below metal in addition
Acoustic impedance, probe signal can be prevented to be interfered, ensure the image quality of probe；Therefore, ultrasonic probe of the present utility model
While possessing excellent heat dispersion performance, the smooth transmission of signal in ultrasonic probe can effectively ensure that.
Brief description of the drawings
Fig. 1 is the structural representation of ultrasonic probe in the prior art.
Fig. 2 is the structural representation of the utility model ultrasonic probe first embodiment.
Fig. 3 is the transverse sectional view of the utility model ultrasonic probe first embodiment.
Fig. 4 is the structural representation of the utility model ultrasonic probe first embodiment graphite heat radiation fin.
Fig. 5 to Fig. 7 is the structural representation of other embodiment graphite heat radiation fins of the utility model ultrasonic probe.
Fig. 8 is the structural representation of the utility model ultrasonic probe second embodiment.
Fig. 9 is the structural representation of the utility model ultrasonic probe 3rd embodiment.
Figure 10 is the structural representation of the utility model ultrasonic probe 3rd embodiment graphite radiating unit.
Figure 11 is the structural representation of another embodiment graphite radiating unit of the utility model ultrasonic probe.
Description of reference numerals is as follows：1st, ultrasonic probe；11st, probe body；111st, matching layer；112nd, piezoelectric layer；113rd, carry on the back
Lining；12nd, graphite radiating unit；12a, first end；12b, the second end；121st, graphite heat radiation fin；13rd, support set；14th, believe
Number ground unit；15th, circuit board；2nd, backing；3rd, aluminium platform；4th, aluminium support frame.
Embodiment
Embodying the exemplary embodiment of the utility model features and advantages will describe in detail in the following description.It should be understood that
Be that the utility model can have various changes in different embodiments, it does not all depart from model of the present utility model
Enclose, and explanation therein and diagram are treated as purposes of discussion in itself, and be not used to limit the utility model.
In order to further illustrate principle and structure of the present utility model, it is preferable to carry out in conjunction with accompanying drawing to of the present utility model
Example is described in detail.
First embodiment
As shown in Fig. 2 the ultrasonic probe 1 of the present embodiment includes probe body 11 and graphite radiating unit 12, probe body
11 can be used for launching and receiving ultrasonic wave, and graphite radiating unit 12 can visit caused heat transfer in probe body 11 to ultrasound
First 1 outside, avoid heat from assembling inside probe and influence the image quality of ultrasonic probe 1.
In addition, the ultrasonic probe 1 of the present embodiment also includes the He of signal ground unit 14 for being arranged on the periphery of probe body 11
Circuit board 15, the two can be used for the connection of electric signal in probe, wherein, signal ground unit 14 is made up of copper foil.
Further, probe body 11 includes matching layer 111, piezoelectric layer 112 and the back sheet 113 being sequentially connected.Piezoelectricity
Layer 112 can be one or more layers structure, for realizing the conversion between the inside electric signal of ultrasonic probe 1 and acoustical signal, believe
In number transfer process, piezoelectric layer 112 can vibrate, and discharge heat；Matching layer 111 is arranged on the upper surface of piezoelectric layer 112,
Can be one or more layers structure, it is caused super in probe to realize for reducing the acoustic impedance difference between probe and patient
Sound wave is to be at utmost sent to patient；Back sheet 113 is arranged on the lower surface of piezoelectric layer 112, can make the rear end of ultrasonic probe 1
Ultrasonic attenuation simultaneously prevents it from returning to interface.
Refering to Fig. 2, graphite radiating unit 12 is provided with ultrasonic probe 1, graphite radiating unit 12 can connect probe body
11 and the element that is arranged on outside ultrasonic probe 1.Graphite has good thermal conductivity, and its thermal conductivity exceedes the gold such as steel, iron, lead
Category, thermal resistance lower than aluminium 40%.The conduction of heat can be carried out quickly using the heat-sink unit of graphite material, ensure ultrasonic probe 1
Good thermal diffusivity.
Graphite radiating unit 12 includes first end 12a and the second end 12b, at least one of wherein first end 12a
Divide and be arranged on inside back sheet 113, the second end 12b is extended to outside back sheet 113 by first end 12a and formed, the second end
12b is specifically determined beyond the length of back sheet 113 by the factor such as actual heat conduction demand and the size of ultrasonic probe 1.Such stone
The black can of heat-sink unit 12 conducts caused heat in probe body 11 to outside probe, prevents heat from assembling in probe end
And cause the situation of probe end temperature exceeding standard, it is ensured that the good detection performance of ultrasonic probe 1.
The second end 12b bottom is provided with support set 13 in the present embodiment, for graphite radiating unit 12 is stably solid
It is scheduled on the end of probe.Support set 13 is typically made up of heat conductivility preferably aluminium, and heat can be by stone caused by piezoelectric layer 112
Black heat-sink unit 12, the support set 13 of the second end 12b bottoms is reached, then thus support set 13 is transferred to probe cable protection tail
Set, is finally transferred heat to outside ultrasonic probe 1.
As shown in Figures 2 and 3, in graphite radiating unit 12, first end 12a's is partly interposed in the interior of back sheet 113
Portion, wherein L represent the distance between first end 12a top and the upper surface of back sheet 113.In answering for actual ultrasonic probe 1
Used time according to the image property of probe, it is necessary to assess insertion depths of the first end 12a in back sheet 113, so that it is determined that L
Size.
Generally, first end 12a top is easier outside by heat-conducting unit closer to piezoelectric layer 112, heat
Transmit.In order that the radiating effect of ultrasonic probe 1 is more preferable, first end 12a top and the upper surface of back sheet 113 can be made
It is in contact, be i.e. when L is 0, can ensures that heat caused by piezoelectric layer 112 can transmit in graphite radiating unit 12 quickly.
Due to the good toughness of graphite, it is easy to be machined, corresponding thickness can be made according to being actually needed, thus in order to add
The radiating effect of strong graphite radiating unit 12, makes the integral heat sink of ultrasonic probe 1 more uniform, the graphite radiating unit of the present embodiment
12 include multiple graphite heat radiation fins 121, and length direction of multiple graphite heat radiation fins 121 along probe body 11 is arranged at intervals.
The thickness of graphite heat radiation fin 121 is 0.5mm-3mm in the present embodiment, and each graphite heat radiation fin 121 can be achieved to dissipate
The function of heat, multiple collective effects of graphite heat radiation fin 121 can strengthen the effect of probe radiating, while ensure that what heat distributed
It is more uniform.
Although the acoustic impedance of graphite is much smaller than the acoustic impedance of metal, ultrasonoscopy artifact can be avoided to a certain extent
Produce, but in order to effectively suppress the reflected signal of ultrasonic wave, the top of graphite heat radiation fin 121 is narrowed upwards in the present embodiment
Form tip.
As shown in figure 4, the top of the one side of the present embodiment graphite heat radiation fin 121 is narrowed upwards forms tip.Due to tip
Structure is much smaller than the wavelength of ultrasonic wave in back sheet 113, can reduce the anti-of ultrasonic wave close to piezoelectric layer 112, its tip
Area is penetrated, with smaller ultrasonic wave in reflection caused by interface, so as to effectively suppress the reflected signal and ultrasound of ultrasonic wave
The generation of image artifacts.
In order that the tip on the top of graphite heat radiation fin 121 is smaller, its reflected signal inhibition to ultrasonic wave is more
It is good, in other preferred embodiments, as shown in figure 5, the top of 121 two sides of graphite heat radiation fin can be made to receive upwards
It is narrow and formed tip；Or as shown in Figure 6 and Figure 7, make the side or two sides of graphite heat radiation fin 121, in certain arc
Degree ground narrows upwards, to ensure that the cutting-edge structure section on top is smaller.
In the actual preparation process of ultrasonic probe 1, after the machine-shaping of graphite radiating unit 12, determine that first end 12a is inserted
After the depth for entering back sheet 113, then by graphite radiating unit 12 and back sheet 113 together moulding by casting, finally and other elements
It is assembled into complete ultrasonic probe 1.
Second embodiment
The ultrasonic probe 1 of second embodiment is roughly the same with first embodiment, and its difference is, as shown in figure 8, this reality
It is bifurcation structure to apply graphite radiating unit 12 in example, and the bifurcation structure includes at least two furcation bodies, and single furcation body is top
Smooth plates, there is gap between two neighboring furcation body.
The first end 12a of the present embodiment bifurcation structure is in comb shape, and first end 12a at least a portion is arranged on the back of the body
The inside of lining 113；The second end 12b is extended downward into outside back sheet 113 by first end 12a bottom；So graphite dissipates
Hot cell 12 can just conduct caused heat in probe 11 to outside probe.
The setting of the bifurcation structure of graphite radiating unit 12 in the present embodiment, while the quick transmission of heat is ensured, really
The uniformity of heat transfer is protected；In addition the graphite radiating unit 12 is integral structure, does not include scattered unit, in ultrasound
During the preparation of probe 1, the step of assembling can be simplified, reduce the consuming of manpower and cost.
3rd embodiment
The ultrasonic probe 1 of 3rd embodiment is roughly the same with first embodiment, and it is distinguished part and is：As shown in figure 9,
Graphite radiating unit 12 is bifurcation structure in the present embodiment, and the bifurcation structure includes three furcation bodies.In other preferably
In embodiment, the number of furcation body can need correspondingly to increase or decrease according to actual product structure.
Similarly, in order to more effectively suppress the reflected signal of ultrasonic wave, refering to Figure 10, the top of furcation body in the present embodiment
Narrow upwards and form tip in end.In addition, in order to which the tip on bifurcation structure top is smaller, its suppression of reflected signal to ultrasonic wave
Effect processed is more preferable, in other preferred embodiments, as shown in figure 11, makes the side or two sides of furcation body, is in
Narrow upwards to certain radian, to ensure that the cutting-edge structure section on top is smaller.
In the graphite radiating unit 12 of bifurcation structure 122 while realizing good heat radiating and avoiding image artifacts from producing,
Making material has been saved, has simplified the installation procedure of ultrasonic probe 1.
To sum up, in the utility model ultrasonic probe, graphite radiating unit can quickly conduct heat caused by piezoelectric layer, keep away
Exempt from amount of heat ultrasonic probe end assemble, in order to avoid the temperature exceeding standard of probe distal end and influence the performance of probe itself, simultaneously
The first end part of graphite radiating unit is arranged on inside back sheet, and the ultrasonic wave that can avoid enter into probe rear end reflects again
The interface of back sheet is gone back to, prevents probe from producing image artifacts, ensures the transmission of signal in probe.
Although describing the utility model with reference to several exemplary embodiments, it is to be understood that, term used is to say
Bright and exemplary and nonrestrictive term.Because the utility model can be embodied without departing from practicality in a variety of forms
New is spiritual or substantive, it should therefore be appreciated that above-mentioned embodiment is not limited to any foregoing details, and should be in right of enclosing
It is required that widely explained in the spirit and scope limited, thus whole changes for falling into claim or its equivalent scope and
Remodeling all should be appended claims and be covered.
Claims (8)
1. a kind of ultrasonic probe, it is characterised in that the ultrasonic probe includes：
Probe body, including matching layer, piezoelectric layer and the back sheet being sequentially connected；
Graphite radiating unit, including first end and the second end, at least a portion of the first end are arranged on the back of the body
Inside lining, the second end is extended to outside the back sheet by the first end and formed, and the first end is located at institute
It is multiple plates structures being spaced apart to state the part inside back sheet.
2. ultrasonic probe according to claim 1, it is characterised in that the graphite radiating unit includes multiple graphite radiatings
Piece, width of the multiple graphite heat radiation fin along the probe body are arranged at intervals.
3. ultrasonic probe according to claim 2, it is characterised in that narrow formed upwards in the top of the graphite heat radiation fin
Tip.
4. ultrasonic probe according to claim 2, it is characterised in that the thickness of the graphite heat radiation fin is 0.5mm-3mm.
5. ultrasonic probe according to claim 1, it is characterised in that the graphite radiating unit for bifurcation structure, institute
Stating bifurcation structure includes at least two furcation bodies.
6. ultrasonic probe according to claim 5, it is characterised in that narrow form point upwards in the top of the furcation body
End.
7. ultrasonic probe according to claim 1, it is characterised in that the top of the first end and the back sheet
Upper surface is in contact.
8. ultrasonic probe according to claim 1, it is characterised in that the bottom of the second end is provided with support set, uses
In the fixation graphite radiating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283661.0U CN206924084U (en) | 2016-11-28 | 2016-11-28 | Ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283661.0U CN206924084U (en) | 2016-11-28 | 2016-11-28 | Ultrasonic probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206924084U true CN206924084U (en) | 2018-01-26 |
Family
ID=61348980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621283661.0U Active CN206924084U (en) | 2016-11-28 | 2016-11-28 | Ultrasonic probe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237256A1 (en) * | 2018-06-12 | 2019-12-19 | 深圳市理邦精密仪器股份有限公司 | Ultrasound transducer, ultrasonic probe, and ultrasonic detection apparatus |
| WO2020062272A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasound probe and area array ultrasound probe |
| WO2020062274A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic probe |
| CN110960258A (en) * | 2018-09-30 | 2020-04-07 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic probe |
| CN112020330A (en) * | 2018-03-30 | 2020-12-01 | 皇家飞利浦有限公司 | Thermally conductive material layer and internal structure for ultrasound imaging probe |
-
2016
- 2016-11-28 CN CN201621283661.0U patent/CN206924084U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020330A (en) * | 2018-03-30 | 2020-12-01 | 皇家飞利浦有限公司 | Thermally conductive material layer and internal structure for ultrasound imaging probe |
| CN112020330B (en) * | 2018-03-30 | 2024-04-16 | 皇家飞利浦有限公司 | Ultrasonic imaging probe |
| WO2019237256A1 (en) * | 2018-06-12 | 2019-12-19 | 深圳市理邦精密仪器股份有限公司 | Ultrasound transducer, ultrasonic probe, and ultrasonic detection apparatus |
| US11642105B2 (en) | 2018-06-12 | 2023-05-09 | Edan Instruments, Inc. | Ultrasonic transducer, ultrasonic probe, and ultrasonic detection apparatus |
| WO2020062272A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasound probe and area array ultrasound probe |
| WO2020062274A1 (en) * | 2018-09-30 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic probe |
| CN110960258A (en) * | 2018-09-30 | 2020-04-07 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic probe |
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