CN108144199A - Device, method and system are motivated by ultrasound - Google Patents
Device, method and system are motivated by ultrasound Download PDFInfo
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- CN108144199A CN108144199A CN201711401737.4A CN201711401737A CN108144199A CN 108144199 A CN108144199 A CN 108144199A CN 201711401737 A CN201711401737 A CN 201711401737A CN 108144199 A CN108144199 A CN 108144199A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N2007/0004—Applications of ultrasound therapy
- A61N2007/0021—Neural system treatment
- A61N2007/0026—Stimulation of nerve tissue
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Abstract
The embodiment of the present invention provides a kind of ultrasonic action device, method and system.Device is motivated by ultrasound and includes waveform generator, power amplifier and ultrasound transducer array.After waveform generator is used for the ultrasonic action parameter for obtaining each channel, the waveform stimulus signal of each channel is generated according to ultrasonic action parameter.Power amplifier is electrically connected with waveform generator, for waveform stimulus signal to be carried out power amplification, is generated high-voltage driven signal and is inputed to ultrasound transducer array.Ultrasound transducer array is used to generate ultrasonic wave in corresponding array element according to high-voltage driven signal, and ultrasound transducer array includes multiple array elements, and each array element corresponds to a channel.Thus, it is possible to give full play to the performance of ultrasonic transducer, more preferably ultrasonic mechanics effect and fuel factor are obtained.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of ultrasonic action device, method and system.
Background technology
Neuromodulation method traditional at present is generally using the single waveform stimulus of single-frequency, such as sine wave or square wave
Excitation, but the pumping signal of single-frequency, it is impossible to give full play to the performance of ultrasonic transducer.Also, current device hardware
On pumping signal is mostly generated using the method similar to Direct Digital Synthesizer, this method flexibility is poor.
Invention content
In order to overcome above-mentioned deficiency of the prior art, the purpose of the present invention is to provide a kind of ultrasonic action device, sides
Method and system, can with the ultrasonic action parameter of each channel of flexible configuration to generate the pumping signal of random waveform, so as to
The performance of ultrasonic transducer is given full play to, obtains more preferably ultrasonic mechanics effect and fuel factor.
To achieve these goals, the technical solution that present pre-ferred embodiments use is as follows：
Present pre-ferred embodiments provide a kind of ultrasonic action device, the ultrasonic action device include waveform generator,
Power amplifier and ultrasound transducer array.
After the waveform generator is used for the ultrasonic action parameter for obtaining each channel, according to the ultrasonic action parameter life
Into the waveform stimulus signal of each channel.
The power amplifier is electrically connected with the waveform generator, for the waveform stimulus signal to be carried out power
Amplification generates high-voltage driven signal and inputs to the ultrasound transducer array.
The ultrasound transducer array is used to generate ultrasonic wave in corresponding array element according to the high-voltage driven signal,
In, the ultrasound transducer array includes multiple array elements, and each array element corresponds to a channel.
In present pre-ferred embodiments, wherein, the ultrasonic action parameter includes waveform shape, signal frequency, letter
At least one of number amplitude, focusing parameter, the signal frequency include unifrequency waveform frequency or combination frequency waveform frequency
Rate.
In present pre-ferred embodiments, above-mentioned waveform generator turns including communication interface, signal processor and digital-to-analogue
Converter array.
The signal processor is electrically connected respectively with the communication interface and the digital analog converter array, for controlling
The communication interface receives the ultrasonic action parameter of each channel, and generates corresponding channel according to the ultrasonic action parameter
Waveform stimulus signal, then the waveform stimulus signal is written in the digital analog converter array in corresponding digital analog converter,
The waveform stimulus signal is converted to analog signal by the digital analog converter and is exported to the power amplifier.
In present pre-ferred embodiments, above-mentioned signal processor is additionally operable to that the communication interface is controlled to receive control ginseng
Number, and according to the working condition of the control parameter control digital analog converter array and the power amplifier, wherein,
The control parameter is included in power amplification multiple, pulse recurrence frequency, emission control parameter, echo reception control parameter extremely
Few one or more kinds of combinations.
In present pre-ferred embodiments, above-mentioned signal processor is included at field programmable gate array or digital signal
Manage device.
In present pre-ferred embodiments, above-mentioned signal processor includes：
For controlling the communication processing unit of the communication interface；
For generating the waveform stimulus signal of each channel, and the waveform stimulus is believed according to the ultrasonic action parameter
The Logical processing unit of number write-in digital analog converter array；And
For the waveform stimulus signal of generation to be carried out to the Beam synthesis unit of phase delay according to focusing parameter.
In present pre-ferred embodiments, above-mentioned ultrasonic action device further includes echo acquirement module and echo-wave imaging mould
Block；
The echo acquirement module, for collecting the ultrasonic echo letter detected via the ultrasound transducer array
Signal processing is carried out after number, and ultrasound echo signal is converted to digital signal by treated；
The echo-wave imaging module and the echo acquirement module are electrically connected, for according to Beam synthesis parameter to described
Digital signal carries out signal processing, obtains corresponding ultrasonic echo data, and the ultrasonic echo data is transferred to computer
Equipment carries out ultrasonic imaging.
In present pre-ferred embodiments, above-mentioned echo acquirement module includes ultrasonic simulation front end amplifying unit and simulation is believed
Number collecting unit；
Ultrasonic simulation front end amplifying unit is electrically connected with the collection of simulant signal unit, for the ultrasound
After echo-signal is sent to the collection of simulant signal unit progress analog-to-digital conversion after preposition amplification, filtering, voltage-controlled amplification,
Output digit signals.
In present pre-ferred embodiments, above-mentioned ultrasound transducer array includes incentive probe and imaging probe；
The incentive probe is used to generate ultrasonic wave according to high-voltage driven signal；
The imaging probe is used in detecting ultrasonic echo for Imaging: Monitoring.
Present pre-ferred embodiments also provide a kind of ultrasound excitation method, described applied to above-mentioned ultrasonic action device
Method includes：
It is every according to the ultrasonic action parameter generation after the waveform generator obtains the ultrasonic action parameter of each channel
The waveform stimulus signal of a channel, wherein, the ultrasonic action parameter includes waveform shape, signal frequency, signal amplitude, gathers
At least one of burnt parameter, the signal frequency include unifrequency waveform frequency or combination frequency waveform frequency；
The waveform stimulus signal is carried out power amplification by the power amplifier, is generated high-voltage driven signal and is inputed to
The ultrasound transducer array；
The ultrasound transducer array generates ultrasonic wave according to the high-voltage driven signal in corresponding array element, wherein,
The ultrasound transducer array includes multiple array elements, and each array element corresponds to a channel.
Present pre-ferred embodiments also provide a kind of ultrasonic action system, and the ultrasonic action system includes computer equipment
And above-mentioned ultrasonic action device；
The computer equipment and the ultrasonic action device communication connection, it is each for being sent to the ultrasonic action device
The ultrasonic action parameter of a channel；
The ultrasonic action device is based on the ultrasonic action parameter and generates corresponding ultrasonic wave, and is returned collecting ultrasound
The ultrasonic echo data is sent to the computer equipment by wave number after；
The computer equipment exports visual image after carrying out ultrasonic imaging according to the ultrasonic echo data.
In terms of existing technologies, the invention has the advantages that：
The embodiment of the present invention provides a kind of ultrasonic action device, method and system, is obtained by waveform generator each logical
The waveform stimulus signal of each channel is generated after the ultrasonic action parameter in road, waveform stimulus signal is carried out power by power amplifier
Amplification generates high-voltage driven signal and inputs to ultrasound transducer array, and ultrasound transducer array exists according to high-voltage driven signal
Ultrasonic wave is generated in corresponding array element.Thus, it is possible to the ultrasonic action parameter of each channel of flexible configuration is to generate random waveform
Pumping signal, for the pumping signal of each array element in ultrasound transducer array can independent control, so as to
The performance of ultrasonic transducer is given full play to, obtains more preferably ultrasonic mechanics effect and fuel factor.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structure diagram of ultrasonic action system that present pre-ferred embodiments provide；
Fig. 2 is a kind of a kind of oscillogram of pumping signal in embodiment；
Fig. 3 is another structure diagram of ultrasonic action system that present pre-ferred embodiments provide；
Fig. 4 is another structure diagram of ultrasonic action system that present pre-ferred embodiments provide；
Fig. 5 is another structure diagram of ultrasonic action system that present pre-ferred embodiments provide；
Fig. 6 is a kind of flow diagram of ultrasound excitation method that present pre-ferred embodiments provide.
Icon：System is motivated by ultrasound in 10-；Device is motivated by ultrasound in 100-；110- waveform generators；112- communication interfaces；
114- signal processors；1142- communication processing units；1144- Logical processing units；1146- Beam synthesis units；116- digital-to-analogues
Switch array；120- power amplifiers；130- ultrasound transducer arrays；140- echo acquirement modules；Before 142- ultrasonic simulations
Hold amplifying unit；144- collection of simulant signal units；150- echo-wave imaging modules；200- computer equipments.
Specific embodiment
At present, medical ultrasonic technology has been widely used for clinical diagnosis and treatment.Ultrasonic Diagnosis mainly utilizes ultrasound
Echo obtains the iconography information of tissue, and necessary diagnosis reference is provided for clinician.Ultrasonic therapy is then that ultrasound is utilized
Mechanics effect, fuel factor and the cavitation effect of wave, for the treatment of disease.Specifically, the super of high dose can be divided into again
The ultrasonic wave control technique of acoustic and thermal ablation techniques and low dosage.High intensity focused ultrasound (HIFU) is exactly a kind of typical ultrasound heat
Ablation techniques, HIFU can penetrate tissue, reach the target area of setting, for destroying internal tumour, finally by body
The immune system of itself sponges destroyed tumour, the effect of reaching non-invasive therapy.Mainly application has for low dosage ultrasonic therapy：
Ultrasonic blood vessel thrombolysis, the blood-brain barrier based on ultrasonic wave are opened and ultrasonic neuromodulation.So-called ultrasonic blood vessel thrombolysis, i.e., it is sharp
It destroyed with ultrasonic wave, dredged blood cake, to achieve the purpose that treatment.Blood-brain barrier refers between blood vessel and brain selectively
Cucumber is prevented to enter the barrier of brain by blood, usually this protection for body, be beneficial.But can equally it weaken
Drug is to the therapeutic effect of patient.And blood-brain barrier can temporarily be released by focusing on ultrasonic wave, enable drug that can be reached to pass through barrier
Brain effectively improves the effect of drug therapy.Ultrasonic neuromodulation that is, by ultrasound stimulation nerve, causes nervous system excited
Or inhibit, the nervous activity of organism is adjusted, changes the response of neural circuitry, so as to contribute to controlling for neuropsychiatric disorders
It treats.Ultrasonic neuromodulation by the neural circuitry of human intervention biological living, and then carries out cerebral function (such as cognition, impression
Deng) research, and as a kind of effective means.
At present, through present inventor the study found that common scheme is the ultrasound based on single array element Self-focusing transducer
System, the advantage of the program is that system complexity is low, convenient to carry out.But shortcoming it is also obvious that as ultrasonic focus pattern it is single,
The problems such as stimulating target spot position inaccurate.In order to solve the problems, such as focus movement, location difficulty, based on arrayed ultrasonic transducer
Ultrasonic system be suggested, this scheme by the way of electron scanning, can flexibly change phase array transducer
Focal position, the defects of preferably solving the former.
And in fact, inventor has found that ultrasonic transducer has certain bandwidth in the course of the research, in the bandwidth range
Interior pumping signal suffers from higher electroacoustic transformation efficiency.It studies for a long period of time, is had been found that using two or more frequencies through inventor
The close pumping signal of rate encourages ultrasonic transducer simultaneously, forms novel activation sequence, opening in such as blood-brain barrier, poly-
Better effect can be obtained in the applications such as the heating ablation in burnt region.Mostly it is using single but in current state of the art
Sine wave or square wave excitation ultrasonic transducer, it is difficult to obtain such effect.It is also, more on currently existing device hardware
Pumping signal is generated using the method similar to Direct Digital Synthesizer, it is difficult to compensate this by software algorithm
Defect.
In view of the above problems, it studies for a long period of time exploration through present inventor, proposes following embodiments, controlled for improving ultrasound
The effect for the treatment of, can be with the ultrasonic action parameter of each channel of flexible configuration to generate the pumping signal of random waveform, for ultrasound
The pumping signal of each array element in transducer array can independent control, so as to give full play to ultrasonic transducer
Performance obtains more preferably ultrasonic mechanics effect and fuel factor, and on this basis, related personnel can design novel field wave
So as to fulfill the excitation waveform and the type of focusing of more diversification, better equipment is provided for ultrasonic therapy for shape and activation sequence
Basis.Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.It is usually attached here
The component of the embodiment of the present invention described and illustrated in figure can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
Referring to Fig. 1, a kind of structure diagram of the ultrasonic action system 10 provided for present pre-ferred embodiments.This implementation
In example, the ultrasonic action system 10 may include computer equipment 200 and ultrasonic action device 100.The computer equipment
200 communicate to connect with the ultrasonic action device 100, for sending the ultrasound of each channel to the ultrasonic action device 100
Excitation parameters.The ultrasonic action device 100 is based on the ultrasonic action parameter and generates corresponding ultrasonic wave, and super collecting
The ultrasonic echo data is sent to the computer equipment 200 after sound echo data.The computer equipment 200 is according to institute
It states after ultrasonic echo data carries out ultrasonic imaging and exports visual image.
In the present embodiment, the computer equipment 200 can include hardware, software or embedded logic element or two
Or the electronic device of the combination of this multiple class component, and it is able to carry out the suitable work(implemented or supported by computer equipment 200
Energy.The computer equipment 200 can be a kind of equipment with radio transmission-receiving function, including indoor or outdoors, hand-held, wearing
Or mobile unit.For example, the computer equipment 200 can be mobile phone (Mobile Phone), tablet computer (Pad), individual
Computer (Personal Computer, PC), the computer with radio transmission-receiving function, virtual reality (Virtual Reality, VR)
It is wireless in terminal, augmented reality (Augmented Reality, AR) terminal, Industry Control (Industrial Control)
Terminal, the wireless terminal in unmanned (Self Driving), the wireless terminal in tele-medicine (Remote Medical),
Wireless terminal in intelligent grid (Smart Grid), the wireless terminal in transportation safety (Transportation Safety),
Wireless terminal in wireless terminal, wisdom family (Smart Home) in smart city (Smart City) etc..This implementation
Example does not limit application scenarios.
Specifically, the computer equipment 200 can be used as host computer, provide the ultrasonic action ginseng for each channel to be configured
Several interactive interfaces, user can need that the ultrasonic action parameter of each channel is configured in the interactive interface according to actual conditions,
The ultrasonic action device 100 is sent to generate relevant control instruction, the ultrasonic action device 100 can be based on each logical
The ultrasonic action parameter in road generates ultrasonic wave in corresponding array element.
What deserves to be explained is the ultrasonic action device 100 can not also be only limitted to aforesaid way and obtain each channel
Parameter is motivated by ultrasound, the configuration button that can be also provided by the way that device 100 itself is motivated by ultrasound obtains or pass through remote server
It obtains, the mode that the present embodiment obtains ultrasonic action device 100 ultrasonic action parameter does not limit in detail.
Below using the ultrasonic action device 100 by obtaining ultrasonic action ginseng as the computer equipment 200 of host computer
For number, the structure of the ultrasonic action device 100 is described in detail.As shown in Figure 1, the ultrasonic action device 100 can be with
Including waveform generator 110, power amplifier 120 and ultrasound transducer array 130.The waveform generator 110 is used to obtain
After the ultrasonic action parameter for obtaining each channel, the waveform stimulus signal of each channel is generated according to the ultrasonic action parameter.Institute
It states power amplifier 120 to be electrically connected with the waveform generator 110, for waveform stimulus signal progress power to be put
Greatly, it generates high-voltage driven signal and inputs to the ultrasound transducer array 130.The ultrasound transducer array 130 is used for root
According to the high-voltage driven signal ultrasonic wave is generated in corresponding array element.
In detail, the ultrasonic action parameter may include having in waveform shape, signal frequency, signal amplitude, focusing parameter
At least one, the signal frequency include unifrequency waveform frequency or combination frequency waveform frequency.The ultrasonic transducer
Array 130 may include multiple array elements, and each array element corresponds to a channel.In the present embodiment, the ultrasonic action parameter can be with
By associated user's flexible configuration, so as to be needed to generate the pumping signal of random waveform, therefore change ultrasound according to user
The pumping signal of each array element in energy device array 130 can be carried out independent control, may be, for example, same frequency waveform, also may be used
For different frequency waveform, same array element can also use the waveform containing multiple frequencies into row energization, per channel waveform according to certain
Rule carries out sequential arrangement, and the pumping signal can also use continuous wave, short pulse wave and long pulse wave.In this way, fully
The performance of ultrasonic transducer has been played, has obtained more preferably ultrasonic mechanics effect and fuel factor so that beat in such as blood-brain barrier
It opens, can obtain more preferably effect in the applications such as ultrasound thermal ablation.On this basis, related personnel can design novel excitation
Waveform and activation sequence so as to fulfill the excitation waveform and the type of focusing of more diversification, are provided for ultrasonic therapy and are preferably set
Standby basis.
Wherein, the waveform shape can refer to the waveform after sine wave, square wave and the synthesis of multi-frequency sine, described
Signal frequency can refer to the signal intensity period of the waveform signal, may include when the waveform after using a variety of sines compound more
Kind frequency.In addition, if the repetition rate of configuration pulse is also needed to using pulse wave excitation.The signal amplitude can refer to refer to
The range that signal voltage fluctuates up and down.The focusing parameter can refer to the type of focusing of signal.
For example, in oscillogram shown in Fig. 2, list three kinds of typical different excitation waveforms, be respectively unifrequency just
The composite signal of signal and bifrequency sine wave after string wave signal, single frequency sine wave and carrier modulation, when using a variety of
It is sinusoidal it is compound after waveform when, the composite signal kind of the bifrequency sine wave includes multi-frequency at this time.In practical applications, still
Other pumping signals so can be designed according to actual conditions, it is only necessary to the pumping signal of design be sampled, calculate correspondence
Excitation parameters and other control parameters (for example, amplification factor, pulse recurrence frequency etc.) at sampled point are issued to waveform
Device 110 can synthesize designed pumping signal.Thus, it is possible to avoid conventional method that from can only generating single waveform stimulus signal
The defects of, preferably using the bandwidth of ultrasonic transducer, can obtain in different applications preferably ultrasonic mechanics effect with
And fuel factor.And in practical application scene, it is described super by using modulating wave shown in Fig. 2 or dual frequency sine wave excitation
When sonic transducer is to heat target tissue, faster, heating time shortens temperature rise, in such as blood-brain barrier opening, ultrasound heat
More preferably effect can be obtained in the applications such as ablation.
The structure of the waveform generator 110 is illustrated below, referring to Fig. 3, the waveform generator 110 can wrap
Include communication interface 112, signal processor 114 and digital analog converter array 116.In detail, the signal processor 114 is distinguished
It is electrically connected with the communication interface 112 and the digital analog converter array 116, for the communication interface 112 to be controlled to receive
The ultrasonic action parameter of each channel, and according to the waveform stimulus signal of the corresponding channel of the ultrasonic action parameter generation, connect
It and the waveform stimulus signal is written in the digital analog converter array 116 in corresponding digital analog converter again.The digital-to-analogue
The waveform stimulus signal can be converted to analog signal and exported to the power amplifier 120 by converter.It is thus, it is possible to real
Now to the digital-to-analogue of the reception of ultrasonic action parameter of each channel, the generation of waveform stimulus signal and waveform stimulus signal
Conversion.
In one embodiment, the signal processor 114 can include field programmable gate array or number letter
Number processor 114.
In one embodiment, the signal processor 114 includes communication processing unit 1142, Logical processing unit
1144 and Beam synthesis unit 1146.The communication processing unit 1142 is used to control the communication interface 112, the logic
Processing unit 1144 is used to generate the waveform stimulus signal of each channel, and the waveform is swashed according to the ultrasonic action parameter
It encourages signal and is written the digital analog converter array 116, the Beam synthesis unit 1146 is used for generation according to focusing parameter
Waveform stimulus signal carries out phase delay, to synthesize specific sound field, improves practical application effect.
In one embodiment, the signal processor 114 is additionally operable to that the communication interface 112 is controlled to receive control ginseng
Number, and according to the control parameter control digital analog converter array 116 and the work shape of the power amplifier 120
State.The control parameter can include power amplification multiple, pulse recurrence frequency, emission control parameter, echo reception control ginseng
The combination of at least one or multiple of number.The power amplification multiple can refer to the amplification of power amplifier 120 excitation
The multiple of signal, meanwhile, need to configure pulse recurrence frequency when using pulse wave excitation.Emission control parameter, echo reception control
Parameter processed can refer to when emitting pumping signal and the control parameter of receives echo-signal.
In one embodiment, the ultrasound transducer array 130 can be the phase array transducer of more array elements, can be with
For plane or cabochon, ultrasonic transducer array element can be that well-regulated distribution can also be random distribution.In addition,
Ultrasound stimulation, imaging bimodulus energy converter may be used in ultrasonic transducer array element.Bimodulus energy converter can realize that real time imagery monitors
The function of ultrasound stimulation target spot is provided for mobile focus ultrasonic focus and is more accurately supported.In this situation, the ultrasound is changed
Can device include incentive probe and imaging probe, the incentive probe be used for according to high-voltage driven signal generate ultrasonic wave, it is described into
As probe in detecting ultrasonic echo for Imaging: Monitoring.
Further, on the basis of ultrasonic echo is detected, referring to Fig. 4, the ultrasonic action device 100 can be with
Including echo acquirement module 140 and echo-wave imaging module 150.Specifically, the echo acquirement module 140, for collecting
Carry out signal processing after the ultrasound echo signal detected via the ultrasound transducer array 130, and will treated ultrasound
Echo-signal is converted to digital signal.The echo-wave imaging module 150 is electrically connected with the echo acquirement module 140, is used for
Signal processing is carried out to the digital signal according to Beam synthesis parameter, obtains corresponding ultrasonic echo data, and will be described super
Sound echo data is transferred to computer equipment 200 and carries out ultrasonic imaging, so as to provide support for user's decision.
More specifically, referring to Fig. 5, the echo acquirement module 140 may include ultrasonic simulation front end amplifying unit 142
With collection of simulant signal unit 144.Ultrasonic simulation front end amplifying unit 142 and 144 electricity of collection of simulant signal unit
Property connection, for the ultrasound echo signal by preposition amplification, filtering, be sent to the analog signal after voltage-controlled amplification and adopt
After collecting the progress analog-to-digital conversion of unit 144, output digit signals.As a result, by the way that, integrated level integrated with echo-wave imaging is motivated by ultrasound
More preferably, it can realize that ultrasonoscopy bootstrap is treated.
Further, referring to Fig. 6, present pre-ferred embodiments also provide a kind of ultrasound excitation method, it is possible to understand that
The step of being involved in the ultrasound excitation method next to be described, has been noted above in the examples above, specific each step
Rapid exhaustive can refer to above embodiment description, and only performing step to ultrasound excitation method below is briefly described.
The method may include：
Step S110 after the waveform generator 110 obtains the ultrasonic action parameter of each channel, swashs according to the ultrasound
Encourage the waveform stimulus signal that parameter generates each channel.
The ultrasonic action parameter includes at least one in waveform shape, signal frequency, signal amplitude, focusing parameter
Kind, the signal frequency includes unifrequency waveform frequency or combination frequency waveform frequency.
The waveform stimulus signal is carried out power amplification by step S120, the power amplifier 120, generates high drive
Signal simultaneously inputs to the ultrasound transducer array 130.
Step S130, the ultrasound transducer array 130 are generated according to the high-voltage driven signal in corresponding array element
Ultrasonic wave.
The ultrasound transducer array 130 includes multiple array elements, and each array element corresponds to a channel.
In conclusion the embodiment of the present invention provides a kind of ultrasonic action device, method and system, obtained by waveform generator
Generate the waveform stimulus signal of each channel after the ultrasonic action parameter of each channel, power amplifier is by waveform stimulus signal
Power amplification is carried out, generate high-voltage driven signal and inputs to ultrasound transducer array, ultrasound transducer array drives according to high pressure
Dynamic signal generates ultrasonic wave in corresponding array element.Thus, it is possible to the ultrasonic action parameter of each channel of flexible configuration is to generate
The pumping signal of random waveform, for the pumping signal of each array element in ultrasound transducer array can independent control,
So as to give full play to the performance of ultrasonic transducer, more preferably ultrasonic mechanics effect and fuel factor are obtained.
It should be noted that herein, term " including ", " including " or its any other variant are intended to non-row
Its property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes the other elements being not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute
State in process, method, article or the equipment of element that also there are other identical elements.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of ultrasonic action device, which is characterized in that it is described ultrasonic action device include waveform generator, power amplifier with
And ultrasound transducer array；
It is every according to the ultrasonic action parameter generation after the waveform generator is used for the ultrasonic action parameter for obtaining each channel
The waveform stimulus signal of a channel；
The power amplifier is electrically connected with the waveform generator, for waveform stimulus signal progress power to be put
Greatly, it generates high-voltage driven signal and inputs to the ultrasound transducer array；
The ultrasound transducer array is used to generate ultrasonic wave in corresponding array element according to the high-voltage driven signal, wherein,
The ultrasound transducer array includes multiple array elements, and each array element corresponds to a channel.
2. ultrasonic action device according to claim 1, which is characterized in that wherein, the ultrasonic action parameter includes
At least one of waveform shape, signal frequency, signal amplitude, focusing parameter, the signal frequency include unifrequency waveform frequency
Rate or combination frequency waveform frequency.
3. ultrasonic action device according to claim 1, which is characterized in that the waveform generator include communication interface,
Signal processor and digital analog converter array；
The signal processor is electrically connected respectively with the communication interface and the digital analog converter array, described for controlling
Communication interface receives the ultrasonic action parameter of each channel, and the waveform of corresponding channel is generated according to the ultrasonic action parameter
Pumping signal, then the waveform stimulus signal is written in the digital analog converter array in corresponding digital analog converter, with logical
The digital analog converter is crossed the waveform stimulus signal is converted to analog signal and is exported to the power amplifier.
4. ultrasonic action device according to claim 3, which is characterized in that the signal processor is additionally operable to described in control
Communication interface receives control parameter, and controls the digital analog converter array and the power amplification according to the control parameter
The working condition of device, wherein, the control parameter includes power amplification multiple, pulse recurrence frequency, emission control parameter, echo
Receive the combination of at least one or multiple of control parameter.
5. ultrasonic action device according to claim 3, which is characterized in that the signal processor includes：
For controlling the communication processing unit of the communication interface；
For generating the waveform stimulus signal of each channel, and the waveform stimulus signal is write according to the ultrasonic action parameter
Enter the Logical processing unit of the digital analog converter array；And
For the waveform stimulus signal of generation to be carried out to the Beam synthesis unit of phase delay according to focusing parameter.
6. ultrasonic action device according to claim 1, which is characterized in that the ultrasonic action device further includes echo and adopts
Collect module and echo-wave imaging module；
The echo acquirement module, for after the ultrasound echo signal detected via the ultrasound transducer array is collected
Signal processing is carried out, and ultrasound echo signal is converted to digital signal by treated；
The echo-wave imaging module and the echo acquirement module are electrically connected, for according to Beam synthesis parameter to the number
Signal carries out signal processing, obtains corresponding ultrasonic echo data, and the ultrasonic echo data is transferred to computer equipment
Carry out ultrasonic imaging.
7. ultrasonic action device according to claim 6, which is characterized in that the echo acquirement module includes ultrasonic simulation
Front end amplifying unit and collection of simulant signal unit；
Ultrasonic simulation front end amplifying unit is electrically connected with the collection of simulant signal unit, for the ultrasonic echo
After signal is sent to the collection of simulant signal unit progress analog-to-digital conversion after preposition amplification, filtering, voltage-controlled amplification, output
Digital signal.
8. ultrasonic action device according to claim 1, which is characterized in that the ultrasound transducer array includes excitation and visits
Head and imaging probe；
The incentive probe is used to generate ultrasonic wave according to high-voltage driven signal；
The imaging probe is used in detecting ultrasonic echo for Imaging: Monitoring.
9. a kind of ultrasound excitation method, applied to the ultrasonic action device described in any one in claim 1-8, feature exists
In, the method includes：
It is each logical according to the ultrasonic action parameter generation after the waveform generator obtains the ultrasonic action parameter of each channel
The waveform stimulus signal in road, wherein, the ultrasonic action parameter includes waveform shape, signal frequency, signal amplitude, focuses on ginseng
At least one of number, the signal frequency include unifrequency waveform frequency or combination frequency waveform frequency；
The waveform stimulus signal is carried out power amplification by the power amplifier, is generated high-voltage driven signal and is inputed to described
Ultrasound transducer array；
The ultrasound transducer array generates ultrasonic wave according to the high-voltage driven signal in corresponding array element, wherein, it is described
Ultrasound transducer array includes multiple array elements, and each array element corresponds to a channel.
10. a kind of ultrasonic action system, which is characterized in that the ultrasonic action system includes computer equipment and claim
Ultrasonic action device in 1-8 described in any one；
The computer equipment and the ultrasonic action device communication connection, it is each logical for being sent to the ultrasonic action device
The ultrasonic action parameter in road；
The ultrasonic action device is based on the ultrasonic action parameter and generates corresponding ultrasonic wave, and collecting ultrasonic echo number
The ultrasonic echo data is sent to the computer equipment after；
The computer equipment exports visual image after carrying out ultrasonic imaging according to the ultrasonic echo data.
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| CN201711401737.4A CN108144199A (en) | 2017-12-22 | 2017-12-22 | Device, method and system are motivated by ultrasound |
| PCT/CN2017/120162 WO2019119519A1 (en) | 2017-12-22 | 2017-12-29 | Ultrasonic excitation apparatus, method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711401737.4A CN108144199A (en) | 2017-12-22 | 2017-12-22 | Device, method and system are motivated by ultrasound |
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| CN108144199A true CN108144199A (en) | 2018-06-12 |
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| CN201711401737.4A Pending CN108144199A (en) | 2017-12-22 | 2017-12-22 | Device, method and system are motivated by ultrasound |
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| CN (1) | CN108144199A (en) |
| WO (1) | WO2019119519A1 (en) |
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