CN105342642B - Elastogram system and method - Google Patents
Elastogram system and method Download PDFInfo
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- CN105342642B CN105342642B CN201510848521.7A CN201510848521A CN105342642B CN 105342642 B CN105342642 B CN 105342642B CN 201510848521 A CN201510848521 A CN 201510848521A CN 105342642 B CN105342642 B CN 105342642B
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Abstract
The present invention provides a kind of elastogram system and method, and the system includes control chip, pulse transceiver, ultrasonic transducer, analog-digital converter, multidiameter option switch, image forming process unit, memory, communication interface and host computer；Multidiameter option switch respectively with control chip, image forming process unit input and, output end is connected；When control chip receives enabled instruction, control pulse transceiver sends low-frequency pulse, to encourage ultrasonic transducer to launch ultrasonic wave；Image forming process unit carries out elastogram signal transacting to the ultrasound echo signal after analog-to-digital conversion；When control chip receives store instruction, control multidiameter option switch, will input and/or export in the ultrasound echo signal deposit memory of image forming process unit, subsequently to provide reliable checking data support to the Accuracy Verification of elastogram processing method, be advantageous to improve the accuracy of elastogram processing method.
Description
Technical field
The invention belongs to technical field of medical equipment, is specifically related to a kind of elastogram system and method.
Background technology
The characteristic of the elasticity and focus of biological tissue has tight association, and the diagnosis for illness has important references valency
Value.Therefore, in recent years, by Ultrasonic Elasticity Imaging, the elastic parameter of the biological tissue collected is subjected to imaging and shown,
Development is widely used in order to elastic characteristic directly perceived, understanding biological tissue exactly.
At present, the processing procedure of general ultrasonic elastograph imaging, it is in simple terms：By encouraging biological tissue, to organize
Inside produces shearing wave, by tissue emissions ultrasonic signal, to track propagation condition of the shearing wave in tissue, by connecing
Ultrasound echo signal is received, and by the processing to ultrasound echo signal, imaging, obtains the elastogram for reflecting tissue elasticity parameter
As a result.
During above-mentioned elastogram, after ultrasound echo signal is received, base directly is carried out to the ultrasound echo signal
In the operation of certain fixation ultrasonic imaging method.And the checking of the accuracy of the ultrasonic imaging method often before being taken into use,
Carried out based on emulation data, the degree of reliability of Accuracy Verification result is worth discussion, and its accuracy is in use
Shortage is effectively verified.
The content of the invention
In order to solve at least one problem mentioned in background technology, the present invention provides a kind of elastogram system and side
Method, by gathering and storing a variety of ultrasonic signals of actually detected acquisition, authentic data branch is provided for checking elastograph imaging method
Hold.
The invention provides a kind of elastogram system, including：
Control chip, pulse transceiver, ultrasonic transducer, analog-digital converter, multidiameter option switch, imaging list
Member, memory, communication interface and host computer；
Wherein, the multidiameter option switch respectively with the control chip, the input of the image forming process unit and institute
State the output end connection of image forming process unit；
The host computer, the control instruction is passed for receiving the control instruction of user, and by the communication interface
The control chip is transported to, wherein, the control instruction includes enabled instruction and store instruction；
The control chip, for when receiving the enabled instruction, according to preset launching beam generation type, controlling
The pulse transceiver sends low-frequency pulse, to encourage the ultrasonic transducer transmitting ultrasonic wave；
The pulse transceiver, it is additionally operable to receive ultrasound echo signal；
The analog-digital converter, for carrying out analog-to-digital conversion to the ultrasound echo signal of analog signal form；
The image forming process unit, for the ultrasound echo signal after analog-to-digital conversion is carried out at elastogram signal
Reason, and will be sent by the communication interface by the ultrasound echo signal of the elastogram signal transacting to described upper
Machine；
The control chip, it is additionally operable to when receiving the store instruction, the multichannel is selected according to the store instruction
Select switch and carry out switch control, will input at the ultrasound echo signal and/or the output imaging of the image forming process unit
The ultrasound echo signal for managing unit is stored in the memory.
Wherein, also include in the pulse transceiver：
Isolation circuit, the low-frequency pulse sent for isolating the pulse transceiver.
Further, the elastogram system also includes：
The attenuation equalizer being connected with the analog-digital converter, for being returned to the ultrasound being input in the analog-digital converter
Ripple signal carries out amplitude compensation.
Wherein, the image forming process unit includes：
Deserializer, Beam-former and the demodulator being sequentially connected.
Specifically, the output of the multidiameter option switch output end with the deserializer, the Beam-former respectively
End connects with the output end of the demodulator.
Optionally, data read command is also included in the control instruction；
The control chip, it is additionally operable to when receiving the data read command, reading and institute from the memory
Ultrasound echo signal corresponding to data read command is stated, and the host computer is sent to by the communication interface.
Optionally, the memory, it is additionally operable to, when memory space is expired, alarm signal be sent to the control chip；
The control chip, it is additionally operable to be carried to host computer transmission by the communication interface according to the alarm signal
Show signal, to prompt the host computer distribution memory space, and the whole ultrasound echo signals stored in the memory are led to
Cross the communication interface and be sent to the host computer.
Further, elastogram system also includes：
Power supply, for the elastogram system power supply.
Optionally, the communication interface is included such as any of lower interface interface：
General-purpose serial bus USB interface, gigabit ethernet interface, external equipment interconnection Bus PC IE interfaces are extended,
RapidIO interfaces, optical fiber interface.
Optionally, the quantity of the control chip is one or two.
The embodiment of the present invention provides a kind of elastograph imaging method of elastogram system using described in any of the above-described, bag
Include：
The control chip receives the control instruction that user is sent by the host computer；
When the control instruction includes enabled instruction, the control chip according to preset launching beam generation type,
The pulse transceiver is controlled to send low-frequency pulse, to encourage the ultrasonic transducer transmitting ultrasonic wave；
The control chip controls the pulse transceiver to receive ultrasound echo signal, so that the image forming process unit pair
Ultrasound echo signal after analog-to-digital conversion process carries out elastogram signal transacting, will pass through at the elastogram signal
The ultrasound echo signal of reason is sent to the host computer；
When the control instruction includes store instruction, the control chip is selected the multichannel according to the store instruction
Select switch and carry out switch control, will input at the ultrasound echo signal and/or the output imaging of the image forming process unit
The ultrasound echo signal for managing unit is stored in the memory.
Elastogram system and method provided by the invention, by setting control chip, multidiameter option switch, memory etc.
Part, during carrying out elastomeric check to tissue and carrying out elastogram processing, control chip can be according to the control of user
System instruction, switch control is carried out for the multidiameter option switch of image forming process unit input, output end connection, so as to by imaging
Different ultrasound echo signals during reason are stored respectively.Based on this, while the processing of normal elastogram is completed,
Also subsequently to provide reliable checking data support to the Accuracy Verification of elastogram processing method, so as to be advantageous to improve bullet
Property image processing method accuracy, for improve elastogram quality support is provided.
Brief description of the drawings
Fig. 1 is the schematic diagram of elastogram system embodiment one of the present invention；
Fig. 2 is the schematic diagram of elastogram system embodiment two of the present invention；
Fig. 3 is the schematic diagram of elastogram system embodiment three of the present invention；
Fig. 4 is the flow chart of elastograph imaging method embodiment one of the present invention.
Embodiment
Fig. 1 is the schematic diagram of elastogram system embodiment one of the present invention, as shown in figure 1, the elastogram system includes：
Control chip 11, pulse transceiver 12, ultrasonic transducer 13, analog-digital converter 14, multidiameter option switch 15, into
As processing unit 16, memory 17, communication interface 18 and host computer 19.
Wherein, the multidiameter option switch 15 input with the control chip 11, the image forming process unit 16 respectively
End connects with the output end of the image forming process unit 17.
The host computer 19, the control is referred to for receiving the control instruction of user, and by the communication interface 18
Order is transmitted to the control chip 11, wherein, the control instruction includes enabled instruction and store instruction.
In practical application, user can carry out the specific control to elastogram system in the control interface of host computer 19
Operating, in the present embodiment, the control operation that user is substantially carried out includes the control operation for starting the work of elastogram system, and
Control the control operation selectively stored to ultrasound echo signal.Therefore, above two control operation corresponds respectively to open
Dynamic instruction and store instruction, it is to be understood which ultrasound echo signal specifically stored comprising instruction in the store instruction
Configured information.
Host computer 19 transmits control instruction to control after the control instruction that user sends is received, by communication interface 18
Coremaking piece 11.
Specifically, communication interface 18 can be included such as any of lower interface interface：
USB (Universal Serial Bus, abbreviation USB) interface, gigabit ethernet interface, extension are outer
Portion's apparatus interconnection bus (Peripheral Component Interconnect-Express, abbreviation PCIE) interface,
RapidIO interfaces, optical fiber interface.
Based on above-mentioned interface, it is possible to achieve the data transfer of high speed.
The control chip 11, for when receiving the enabled instruction, according to preset launching beam generation type, controlling
Make the pulse transceiver 12 and send low-frequency pulse, to encourage the ultrasonic transducer 13 to launch ultrasonic wave.
Specifically, when user by host computer 19 send be enabled instruction when, control chip 11 is according to wherein preset
Launching beam generation type, control pulse transceiver 12 sends corresponding frequency, the low-frequency pulse of form, to encourage ultrasonic waves
Energy device 13 launches ultrasonic wave into tissue.Also, the pulse transceiver 12 also receives ultrasound echo signal, the simulation that will be received
The ultrasound echo signal of signal form is sent to analog-digital converter 14, to carry out analog-to-digital conversion process, obtains the super of digital form
Sound echo-signal.
What deserves to be explained is between pulse transceiver 12 and ultrasonic transducer 13, another multichannel can also be set
Selecting switch, for the vibration source in launching beam generation type strobe pulse transceiver 12.Certainly, in launching beam shape
In the case of being fixed into mode, the vibration source in corresponding pulse transceiver 12 can also be pre-selected, sent out by selected vibration source
Go out low-frequency pulse.
In the present embodiment, in order to avoid the low-frequency pulse that pulse transceiver 12 is sent analog-digital converter 14 will not be produced it is dry
Disturb, isolation circuit is also provided with pulse transceiver 12, the low-frequency pulse sent for isolating pulse transceiver, avoid it from applying
It is added on the analog-digital converter 14 being connected with pulse transceiver 12, in case analog-digital converter 14 damages.
The ultrasound echo signal of the digital form handled through analog-digital converter 14 enters image forming process unit 16, by being imaged
Processing unit 16 is incited somebody to action by communication interface 18 ultrasound echo signal after analog-to-digital conversion is carried out into elastogram signal transacting
Sent by the ultrasound echo signal of elastogram signal transacting to host computer 19.
Wherein, elastogram signal processing can such as include the different signal transacting sides such as Wave beam forming, demodulation
Formula.
On the other hand, if during elastogram processing, the storage that control chip 11 receives user's transmission refers to
Order, then control chip 11 carries out switch control according to the store instruction to multidiameter option switch 15, will input imaging list
In the ultrasound echo signal of member 16 and/or the ultrasound echo signal deposit memory 17 of output image forming process unit 16.
Wherein it is possible to understand include which ultrasound echo signal specifically stored in the store instruction that user sends
Instruction message.In the present embodiment, the instruction message can be that the ultrasonic echo for inputting image forming process unit 16 is believed in instruction
In number deposit memory 17 or instruction will export the ultrasound echo signal deposit memory 17 of image forming process unit 16
In, it can also be that instruction will be inputted and the ultrasound echo signal of output image forming process unit 16 is stored in memory 17 respectively.
It is understood that different storage regions can be set, for storing different surpass in memory 17 respectively
Sound echo-signal.
What deserves to be explained is as shown in figure 1, the control chip 11 in the present embodiment can be one, still, practical application
In, the control chip 11 can be divided into two chips and realize, as shown in Fig. 2 the chip A and chip B in Fig. 2 form control chip
11.The control chip 11 can be realized by FPGA.
In fig. 2, launching beam generation type can be pre-filled with chip B, so as to receive host computer in chip B
During the enabled instruction of 19 transmissions, the control to pulse transceiver 12 is triggered.The function of other control chips 11 can be in chip A
Middle realization., can be when needing to use different launching beam generation types, it is only necessary to which chip B is entered by such design
The corresponding replacing of row or renewal processing.
In the present embodiment, by setting the parts such as control chip, multidiameter option switch, memory, bullet is being carried out to tissue
During property detects and carries out elastogram processing, control chip can be according to the control instruction of user, for imaging
Unit input, the multidiameter option switch of output end connection carry out switch control, so as to which the difference in imaging process is ultrasonic
Echo-signal is stored respectively.Based on this, while normal elastogram processing is completed, also not subsequently to elastogram
The Accuracy Verification of processing method provides reliable checking data and supported, so as to be advantageous to improve the standard of elastogram processing method
True property, support is provided to improve elastogram quality.
Fig. 3 is the schematic diagram of elastogram system embodiment two of the present invention, as shown in figure 3, in the base of embodiment illustrated in fig. 1
On plinth, the elastogram system also includes：
The attenuation equalizer 21 being connected with the analog-digital converter, for super in the analog-digital converter 14 to being input to
Sound echo-signal carries out amplitude compensation.
The elastogram system also includes：Power supply 22, for elastogram system power supply.
In actual applications, due to the propagation condition difference that ultrasonic signal is propagated in the tissue, so receiving
The amplitude of the ultrasound echo signal for traveling to tissue different depth decayed.In order to ensure the quality of elastogram,
In the present embodiment, the ultrasound echo signal for being received to pulse transceiver 12 and being sent to analog-digital converter 14 carries out amplitude compensation
Processing.
Processing of the image forming process unit 16 to ultrasound echo signal such as can include unstring, Wave beam forming, demodulation process,
So as to which image forming process unit 16 includes：Deserializer, Beam-former and the demodulator being sequentially connected.
Correspondingly, multidiameter option switch 15 output end with deserializer, the output end of Beam-former and demodulator respectively
Output end connection.So as to which the control that user can be selective will enter by the ultrasound echo signal of different imaging process
Row storage, in the form of obtaining the following characteristics in different disposal stage of the ultrasound echo signal in elastogram processing procedure, it is
Subsequently more abundant experimental data support is provided to the Accuracy Verification of elastic processing method.
Further, in the present embodiment, except that can control, elastogram system starts work to user, control is returned to ultrasound
Outside ripple signal is stored, control can also be read out to the ultrasound echo signal stored in memory 17.I.e. user sends
Control instruction in can also include data read command.
So as to which control chip 11 is read and the digital independent when receiving the data read command from memory 17
Ultrasound echo signal corresponding to instruction, and host computer 19 is sent to by communication interface 18.
Specifically, it is similar to store instruction, can also be including for indicating reading, which is specific in the data read command
Ultrasound echo signal instruction message, for example instruction reads ultrasound echo signal after Beam-former is handled, then controls
Coremaking piece 11 reads the ultrasound echo signal after Beam-former is handled from memory 17 and feeds back to host computer 19.
In addition, when the memory space in memory 17 is expired, memory 17 can send alarm signal to control chip 11
Number, it is full to report to memory space.So as to, control chip 11 sends cue by communication interface 18 to host computer 19, with
Prompt host computer 19 to distribute memory space, carry out data receiver preparation.
And then the whole ultrasound echo signals stored in memory 17 are sent to by control chip 11 by communication interface 18
Host computer 19, stored in host computer 19, and the checking provided to elastogram processing method is used, so as to memory 17
Its memory space is vacateed, carries out the storage of other follow-up ultrasound echo signals.
That memory 17 can be DDR3 memory bar in specific implementation, and the quantity of memory bar can be one or
It is multiple.
Fig. 4 is the flow chart of elastograph imaging method embodiment one of the present invention, as shown in figure 4, this method uses Fig. 1 to Fig. 3
In it is any shown in elastogram system, this method comprises the following steps：
Step 101, control chip receive the control instruction that user is sent by host computer.
Step 102, when control instruction includes enabled instruction, control chip according to preset launching beam generation type,
Control pulse transceiver sends low-frequency pulse, to encourage ultrasonic transducer to launch ultrasonic wave.
Step 103, control chip control pulse transceiver receive ultrasound echo signal, so that image forming process unit is to passing through
Ultrasound echo signal after analog-to-digital conversion process carries out elastogram signal transacting, by by the ultrasound of elastogram signal transacting
Echo-signal is sent to host computer.
Step 104, when control instruction includes store instruction, control chip enters according to store instruction to multidiameter option switch
Row switch control, the ultrasound echo signal of image forming process unit will be inputted and/or export the ultrasonic echo of image forming process unit
In signal deposit memory.
The specific implementation procedure of this method may be referred to the description in various embodiments above, repeat no more.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (11)
- A kind of 1. elastogram system, it is characterised in that including：Control chip, pulse transceiver, ultrasonic transducer, analog-digital converter, multidiameter option switch, image forming process unit, deposit Reservoir, communication interface and host computer；Wherein, the multidiameter option switch respectively with the control chip, the image forming process unit input and it is described into As the output end of processing unit connects；The host computer, for receiving the control instruction of user, and by the communication interface by the control instruction transmit to The control chip, wherein, the control instruction includes enabled instruction and store instruction；The control chip, for when receiving the enabled instruction, according to preset launching beam generation type, described in control Pulse transceiver sends low-frequency pulse, to encourage the ultrasonic transducer transmitting ultrasonic wave；The pulse transceiver, it is additionally operable to receive ultrasound echo signal；The analog-digital converter, for carrying out analog-to-digital conversion to the ultrasound echo signal of analog signal form；The image forming process unit, for by after analog-to-digital conversion ultrasound echo signal carry out elastogram signal transacting, and It will be sent by the communication interface by the ultrasound echo signal of the elastogram signal transacting to the host computer；The control chip, it is additionally operable to when receiving the store instruction, the multi-path choice is opened according to the store instruction Put row switch control into, the ultrasound echo signal and/or the output imaging list of the image forming process unit will be inputted The ultrasound echo signal of member is stored in the memory.
- 2. system according to claim 1, it is characterised in that also include in the pulse transceiver：Isolation circuit, the low-frequency pulse sent for isolating the pulse transceiver.
- 3. system according to claim 1, it is characterised in that also include：The attenuation equalizer being connected with the analog-digital converter, for believing the ultrasonic echo being input in the analog-digital converter Number carry out amplitude compensation.
- 4. system according to claim 1, it is characterised in that the image forming process unit includes：Deserializer, Beam-former and the demodulator being sequentially connected.
- 5. system according to claim 4, it is characterised in that the multidiameter option switch is defeated with the deserializer respectively Go out end, the output end of the Beam-former connects with the output end of the demodulator.
- 6. system according to claim 1, it is characterised in that also include data read command in the control instruction；The control chip, it is additionally operable to when receiving the data read command, is read and the number from the memory According to ultrasound echo signal corresponding to reading instruction, and the host computer is sent to by the communication interface.
- 7. system according to claim 1, it is characterised in that：The memory, it is additionally operable to, when memory space is expired, alarm signal be sent to the control chip；The control chip, it is additionally operable to send prompting letter to the host computer by the communication interface according to the alarm signal Number, to prompt the host computer distribution memory space, and the whole ultrasound echo signals stored in the memory are passed through into institute State communication interface and be sent to the host computer.
- 8. system according to any one of claim 1 to 7, it is characterised in that also include：Power supply, for the elastogram system power supply.
- 9. system according to any one of claim 1 to 7, it is characterised in that the communication interface includes such as lower interface Any of interface：General-purpose serial bus USB interface, gigabit ethernet interface extend external equipment interconnection Bus PC IE interfaces, and RapidIO connects Mouthful, optical fiber interface.
- 10. system according to any one of claim 1 to 7, it is characterised in that the quantity of the control chip is one Or two.
- 11. a kind of elastograph imaging method of elastogram system using as any one of claim 1 to 10, its feature It is, including：The control chip receives the control instruction that user is sent by the host computer；When the control instruction includes enabled instruction, the control chip is according to preset launching beam generation type, control The pulse transceiver sends low-frequency pulse, to encourage the ultrasonic transducer transmitting ultrasonic wave；The control chip controls the pulse transceiver to receive ultrasound echo signal, so that the image forming process unit is to passing through Ultrasound echo signal after analog-to-digital conversion process carries out elastogram signal transacting, by by the elastogram signal transacting Ultrasound echo signal is sent to the host computer；When the control instruction includes store instruction, the control chip is opened the multi-path choice according to the store instruction Put row switch control into, the ultrasound echo signal and/or the output imaging list of the image forming process unit will be inputted The ultrasound echo signal of member is stored in the memory.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510848521.7A CN105342642B (en) | 2015-11-26 | 2015-11-26 | Elastogram system and method |
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|---|---|---|---|
| CN201510848521.7A CN105342642B (en) | 2015-11-26 | 2015-11-26 | Elastogram system and method |
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| CN105342642A CN105342642A (en) | 2016-02-24 |
| CN105342642B true CN105342642B (en) | 2018-01-05 |
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| CN109992205B (en) * | 2019-03-27 | 2020-06-02 | 无锡海斯凯尔医学技术有限公司 | Data storage device, method and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60138483A (en) * | 1983-12-27 | 1985-07-23 | Yokogawa Medical Syst Ltd | Ultrasonic diagnostic device |
| JP2005046193A (en) * | 2003-07-29 | 2005-02-24 | Toshiba Corp | Ultrasonic diagnostic equipment and ultrasonic image data preparation method |
| CN101647713B (en) * | 2008-08-13 | 2012-04-11 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic video acquisition system and device |
| CN103300888B (en) * | 2013-05-07 | 2014-12-17 | 中国医学科学院生物医学工程研究所 | High-frequency ultrasonic superficial organ imaging method capable of lowering random noise |
| CN205181384U (en) * | 2015-11-26 | 2016-04-27 | 无锡海斯凯尔医学技术有限公司 | Elasticity imaging system |
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