CN106137247B - A kind of supersonic imaging apparatus - Google Patents
A kind of supersonic imaging apparatus Download PDFInfo
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- CN106137247B CN106137247B CN201610485876.9A CN201610485876A CN106137247B CN 106137247 B CN106137247 B CN 106137247B CN 201610485876 A CN201610485876 A CN 201610485876A CN 106137247 B CN106137247 B CN 106137247B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 41
- 239000000523 sample Substances 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000012285 ultrasound imaging Methods 0.000 description 4
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
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Abstract
The embodiment of the invention provides a kind of supersonic imaging apparatus, the equipment includes: probe circuit, transmitting module, receiving module, data processing module and display/operation module；The transmitting module, for emitting ultrasonic wave by more than two array elements of the probe circuit to form the cylindrical wave of out-focus according to from the received operational order of display/operation module；The receiving module, for receiving the cylindrical wave of the transmitting module transmitting by the probe circuit；The data processing module, for the received cylindrical wave of the receiving module by aperture synthetic, to be formed double point-by-point focusing images, and shown by the display/operation module.The embodiment of the present invention can reduce the power consumption of supersonic imaging apparatus.
Description
Technical field
The present invention relates to ultrasonic imaging technique fields, more particularly to a kind of supersonic imaging apparatus.
Background technique
Medical ultrasound image is the principle for having gathered the subjects such as physical acoustics, electronics, informatics and biomedicine
The imaging method realized with technology, plays an important role in contemporary medical science.It is portable with the development of ultrasonic imaging technique
Formula supersonic imaging apparatus is more and more widely used.Portable ultrasound imaging equipment has small in size, light-weight, operation
Simply, the features such as easy to carry, can be widely used in each scene.
Existing portable ultrasound imaging equipment mainly consists of the following parts: transmitting module, receiving module, at data
Manage module, data transmission module, host process end, display etc..Implement principle are as follows: ultrasonic wave is carried out by transmitting module
Transmitting, receiving module samples the signal received, amplify after be transmitted to data processing module, data processing module carries out
The number that will be received to host process end, host process end is sent by data transmission module after the processing such as filtering, demodulation of data
It is displayable image on a display screen according to processing, and the image is sent to display and is shown.
However, existing portable ultrasound imaging equipment, transmitting module can motivate simultaneously multiple array elements (usually 32
It is more than road), the launching beam of the single direction of focusing is formed, and most strong transmitting signal is formed on transmitting focusing point.This will
Cause transmitting module power consumption higher.
Also, above-mentioned radiation pattern causes in the place far from transmitting focus, and effect weakening, which can occur, for sound field leads to image
Resolution ratio it is unevenly consistent, to influence image quality.Therefore, in order to guarantee the quality of the image shown in display,
Data processing module needs to obtain more sampled signal, and power consumption is higher.
Therefore, existing portable ultrasound imaging equipment is needed using the biggish component of power, so as to cause it is existing just
It is higher to take formula supersonic imaging apparatus power consumption.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of supersonic imaging apparatus, to reduce the power consumption of supersonic imaging apparatus.
Specific technical solution is as follows:
The embodiment of the invention provides a kind of supersonic imaging apparatus, the equipment includes: probe circuit, transmitting module, connects
Receive module, data processing module and display/operation module；
The transmitting module, for passing through the probe electricity according to from the received operational order of display/operation module
More than two array elements on road emit ultrasonic wave to form the cylindrical wave of out-focus；
The receiving module, for receiving the cylindrical wave of the transmitting module transmitting by the probe circuit；
The data processing module, for the received cylindrical wave of the receiving module by aperture synthetic, is formed it is double by
Point focusing image, and shown by the display/operation module.
Optionally, the transmitting module makes to emit presence between each array element specifically for opening or closing each array element respectively
The ultrasonic wave of delay, to form the cylindrical wave of out-focus.
Optionally, the data processing module, specifically for carrying out weight to the received cylindrical wave data of the receiving module
Structure forms double point-by-point focusing images.
Optionally, when array number is odd number, the center of circle of the cylindrical wave is located at the center of center array element；When array number is
When even number, the center of circle of the cylindrical wave is located at the midpoint between two array elements in center.
Optionally, the array element is deployed on the probe in probe circuit.
Optionally, the array element is the material block being divided on the probe.
Optionally, the probe is one or more kinds of combined probes during convex battle array, linear array, phased array or cavity are popped one's head in.
Optionally, the display/operation module is touch display screen.
Optionally, the equipment further include: dual power supply module, for providing operation institute for the supersonic imaging apparatus
Electricity demand；Wherein, the dual power supply module includes external power supply and battery.
Optionally, the equipment further include: wireless communication module, it is described double for obtaining the data processing module
Point-by-point focusing image is sent to external equipment.
The embodiment of the invention provides a kind of supersonic imaging apparatus, transmitting module can by be precisely controlled multiple array elements by
Emit the cylindrical wave for generating out-focus according to specific mode.Meanwhile data processing module can be by the received cylinder of receiving module
Wave forms double point-by-point focusing images, so that the quality of image is improved, the homogeneity of especially image is obtained by aperture synthetic
To significantly improving.Compared with prior art, transmitting module does not need to form the launching beam of the single direction of focusing, data processing
Module can be obtained the image of higher quality using less sampled signal, therefore, can reduce transmitting module and data processing
The power consumption of module, to reduce the power consumption of supersonic imaging apparatus.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of supersonic imaging apparatus provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to reduce the power consumption of supersonic imaging apparatus, the embodiment of the invention provides a kind of supersonic imaging apparatus.Such as Fig. 1 institute
Show, the equipment may include: probe circuit 110, transmitting module 120, receiving module 130, data processing module 140 and display/
Operation module 150；
Transmitting module 120, for passing through probe circuit 110 according to from the received operational order of display/operation module 150
More than two array elements transmitting ultrasonic wave to form the cylindrical wave of out-focus；
Receiving module 130, for receiving the cylindrical wave of transmitting module transmitting by probe circuit 110；
Data processing module 140, for by aperture synthetic, forming double point-by-point the received cylindrical wave of receiving module 130
Focusedimage, and shown by display/operation module 150.
In embodiments of the present invention, in order to reduce the power consumption of supersonic imaging apparatus, transmitting module 120 can be according to from aobvious
Show/received the operational order of operation module 150, emits ultrasonic wave by more than two array elements of probe circuit 110 to be formed not
The cylindrical wave of focusing.
Specifically, transmitting module 120 can open or close each array element respectively, and transmitting between each array element is made to there is delay
Ultrasonic wave, to form the cylindrical wave of out-focus.
Data processing module 140 can be reconstructed the received cylindrical wave data of receiving module 130, be formed double point-by-point poly-
Burnt image.Wherein, each of image pixel is all entire to scan by moving horizontally the center location of cylindrical wave
The data set that detecting head surface is formed sums to obtain；The emission delay of data point in the data set and reception delay and be one
A constant.
Assuming that the horizontal coordinate in the center of circle of cylindrical wave is n0, array element spacing is p, longitudinal coordinate z0, and the delay of array element N
For the delay coefficient of 0 (i.e. N is boundary array element) then array element n (n be between n0 and N) are as follows:
Wherein, c is preset constant.
Certainly, when z0=0, above formula can be significantly reduced to
When except the section that n is in n0 and N, the calculated result of T (n) and formula above is in symmetrical as a result, every
A kind of cylindrical wave is uniquely determined by the center of circle (n0, z0) of cylinder.
It should be noted that the realization of each cylindrical wave can be completed respectively by many apertures.For example, we can be
Each cylindrical wave is realized respectively with M aperture, and uses whole array elements in current aperture immediately after emitting cylindrical wave
Receive echo.
Specifically, it keeps z0 constant, gradually changes the position of n0, the center location for gradually moving cylindrical wave is whole to scan
A detecting head surface.Assuming that n0 can convert L position, then each image needs to emit L*M times.Emit each time, N*M battle array
The all independent receives echo-signal of member.Each group of echo-signal is a 1 dimension group, length Z.Z is related with the depth of image.
As a result, after the reception of whole ultrasound pulse transmissions all terminates, the different data of L*M*N*M group can be obtained, always
It is made of altogether L*M*N*M*Z data point.
In turn, entire image by the above L*M*N*M*Z data point reconstruct Lai.The principle of reconstruct is:
1. each of image pixel is all to be denoted as S by a subset of L*M*N*M*Z data point, summed
It arrives；
It is the emission delay of data point in 2.S and reception delay and (in the case where there is error approximate for a constant
For a constant).
Wherein, when array number is odd number, the center of circle of cylindrical wave is located at the center of center array element；When array number is even number
When, the center of circle of cylindrical wave is located at the midpoint between two array elements in center.
In a kind of optional implementation of the embodiment of the present invention, array element can be deployed on the probe in probe circuit.
Further, array element can be the material block being divided on probe.
Further, the probe in probe circuit can be one or two kinds of in convex battle array, linear array, phased array or cavity probe
The above combined probe.
In practical applications, control panel is also typically included in supersonic imaging apparatus, is used for input control parameter.Such as scanning
Depth and signal gain etc..
Scan depths degree is the investigation depth that scanned position as needed changes scanning signal, so as to so as to need to be swept
The image areas retouched is more clear.For example, it is desired to scan skin tissue, since skin is close from probe, it is necessary to by scan depths
It shoals, can thus reduce the interference of other parts signal, to improve imaging definition.Signal gain is that change signal is strong
Degree adjusts the image that user can be made to see needs by this.
In embodiments of the present invention, in order to reduce the volume of supersonic imaging apparatus, make it easy to carry, above-mentioned display/behaviour
Making module 150 can be touch display screen.
That is, can perform image display by display/operation module 150, and carry out the input of control parameter.Cause
This, can reduce the volume of supersonic imaging apparatus.
In embodiments of the present invention, supersonic imaging apparatus can also include dual power supply module, for being ultrasonic imaging
Equipment provides operation institute's electricity demand.Wherein, dual power supply module may include external power supply and battery.
It is appreciated that supersonic imaging apparatus, which may be applied to remote districts etc., is inconvenient to use the place of external power supply.Cause
By dual power supply module, when facilitating the place with external power supply, external power supply power supply can be used in this；When not
When facilitating the place with external power supply, battery power supply can be used, improve the applicability of supersonic imaging apparatus.
In embodiments of the present invention, supersonic imaging apparatus can also include wireless communication module, be used for data processing mould
Double point-by-point focusing images that block 140 obtains are sent to external equipment.
Wherein, which can be the wireless communication modules such as WIFI, bluetooth, or be existing any nothing
Line communication module, the embodiment of the present invention is to this without limiting.
By wireless communication module, the image that supersonic imaging apparatus generates can be sent to external equipment, realize inspection
The shared of result is surveyed, user experience is improved.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (9)
1. a kind of supersonic imaging apparatus, which is characterized in that the equipment includes: probe circuit, transmitting module, receiving module, number
According to processing module and display/operation module；
The transmitting module, for passing through the probe circuit according to from the received operational order of display/operation module
More than two array elements emit ultrasonic waves to form the cylindrical wave of out-focus；
The receiving module, for receiving the cylindrical wave of the transmitting module transmitting by the probe circuit；
The data processing module, for by aperture synthetic, forming double point-by-point poly- the received cylindrical wave of the receiving module
Burnt image, and shown by the display/operation module；
The transmitting module makes transmitting between each array element there is the ultrasound being delayed specifically for opening or closing each array element respectively
Wave, to form the cylindrical wave of out-focus；
Wherein, array element n emits the delay coefficient of ultrasonic wave are as follows:
N0 is the horizontal coordinate in the center of circle of cylindrical wave, and p is array element spacing, and z0 is longitudinal coordinate, and the delay of array element N is that 0, n is in
Between n0 and N, c is preset constant；
The supersonic imaging apparatus is imaged by the following method:
Each cylindrical wave is realized respectively with M aperture, and uses the whole in current aperture immediately after emitting cylindrical wave
Array element receives echo；
It keeps z0 constant, gradually changes the position of n0, the center location of mobile cylindrical wave is to scan entire detecting head surface；Assuming that
N0 can convert L position, and each image needs to emit L*M times；Emit each time, all independent reception echo of N*M array element
Signal；Each group of echo-signal is a 1 dimension group, length Z；Z is related with the depth of image；
After the reception of whole ultrasound pulse transmissions terminates, the different data of L*M*N*M group can be obtained, in total by L*M*N*M*
Z data point composition；
In turn, entire image is reconstructed by the above L*M*N*M*Z data point Lai the principle of reconstruct is:
A) each of image pixel is all to be denoted as S by a subset of L*M*N*M*Z data point, and summation obtains；
B) emission delay and reception delay of the data point in S and be a constant.
2. supersonic imaging apparatus according to claim 1, which is characterized in that the data processing module, be specifically used for pair
The received cylindrical wave data of receiving module are reconstructed, and form double point-by-point focusing images.
3. supersonic imaging apparatus according to claim 1, which is characterized in that when array number is odd number, the cylindrical wave
The center of circle be located at center array element center；When array number is even number, the center of circle of the cylindrical wave be located at the array elements of center two it
Between midpoint.
4. supersonic imaging apparatus according to claim 1, which is characterized in that the array element is deployed in the spy in probe circuit
On head.
5. supersonic imaging apparatus according to claim 4, which is characterized in that the array element is to be divided on the probe
Material block.
6. supersonic imaging apparatus according to claim 4, which is characterized in that it is described probe be convex battle array, linear array, phased array or
One or more kinds of combined probes in cavity probe.
7. supersonic imaging apparatus according to any one of claims 1 to 6, which is characterized in that the display/operation module is
Touch display screen.
8. supersonic imaging apparatus according to any one of claims 1 to 6, which is characterized in that the equipment further include: double electricity
Source power supply module, for providing operation institute's electricity demand for the supersonic imaging apparatus；Wherein, the dual power supply module includes
External power supply and battery.
9. supersonic imaging apparatus according to any one of claims 1 to 6, which is characterized in that the equipment further include: wireless
Communication module, double point-by-point focusing images for obtaining the data processing module are sent to external equipment.
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| CN201610485876.9A CN106137247B (en) | 2016-06-28 | 2016-06-28 | A kind of supersonic imaging apparatus |
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| CN201610485876.9A CN106137247B (en) | 2016-06-28 | 2016-06-28 | A kind of supersonic imaging apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107822655B (en) * | 2017-07-19 | 2018-11-09 | 武汉启佑生物医疗电子有限公司 | A kind of hand-held ultrasound device and imaging method |
| CN108254445A (en) * | 2018-01-05 | 2018-07-06 | 国家电网公司 | For the supersonic array device and imaging method of composite insulator defects detection |
| CN112654292B (en) * | 2018-09-13 | 2024-09-20 | 深圳迈瑞生物医疗电子股份有限公司 | Desk type ultrasonic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752896A (en) * | 1983-09-28 | 1988-06-21 | Kabushiki Kaisha Toshiba | Ultrasonic imaging device |
| CN1220135A (en) * | 1997-12-17 | 1999-06-23 | 通用电器横河医疗系统株式会社 | Ultrasound imaging methods and apparatus |
| CN105011965A (en) * | 2015-06-10 | 2015-11-04 | 熊佑全 | Focusing implementation method by adoption of aperture synthesis and ultrasonic holography for scanning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58156853A (en) * | 1982-03-13 | 1983-09-17 | Toshiba Corp | Ultrasonic flaw detector |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752896A (en) * | 1983-09-28 | 1988-06-21 | Kabushiki Kaisha Toshiba | Ultrasonic imaging device |
| CN1220135A (en) * | 1997-12-17 | 1999-06-23 | 通用电器横河医疗系统株式会社 | Ultrasound imaging methods and apparatus |
| CN105011965A (en) * | 2015-06-10 | 2015-11-04 | 熊佑全 | Focusing implementation method by adoption of aperture synthesis and ultrasonic holography for scanning |
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