CN206518567U - A kind of ultrasonic probe and portable ultrasound imaging auxiliary diagnostic equipment - Google Patents
A kind of ultrasonic probe and portable ultrasound imaging auxiliary diagnostic equipment Download PDFInfo
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- CN206518567U CN206518567U CN201621141480.4U CN201621141480U CN206518567U CN 206518567 U CN206518567 U CN 206518567U CN 201621141480 U CN201621141480 U CN 201621141480U CN 206518567 U CN206518567 U CN 206518567U
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Abstract
A kind of ultrasonic probe and portable ultrasound imaging auxiliary diagnostic equipment, probe includes shell, it is nested in the solid wood structure that outer casing bottom is extended to be contacted with tissue in shell and end, installed in the loudspeaker of cover top portion, the logical handle provided with cable, the opening of loudspeaker cone basin is towards solid wood structure, the dust cap being connected with cone basin is high molecular weight plastic material and is connected by a plastics push rod with solid wood structure, from the impedance matching adjuster that it is disposed with ultrasonic transducer and electrically connected with ultrasonic transducer vertically with the end for organizing to contact in solid wood structure, extend solid wood structure end to contact with tissue in the end of ultrasonic transducer, handle non-contactly wears shell successively, with ultrasonic transducer cage connection after solid wood structure, voice coil loudspeaker voice coil in loudspeaker, impedance matching adjuster is connected by the cable in handle with ultrasonic control system respectively；The utility model not only possesses conventional ultrasonic tissue reconstruct imaging function, and lesion nature can be differentiated.
Description
Technical field
The utility model is related to medical instruments field, more particularly to a kind of ultrasonic probe and portable ultrasound imaging auxiliary
Diagnostic device.
Background technology
Ultrasonic imaging is using ultrasonic acoustic beam scanning tissue, by the reception to reflected signal, processing, to obtain internal device
The image of official.Ultrasonic imaging method is commonly used to judge the position of internal organs, size, form, determines the scope and physical property of focus,
The internal anatomy of some gland tissues is provided, differentiate fetus it is normal with it is abnormal, in ophthalmology, gynemetrics and cardiovascular system, digestion
System, urinary system application it is quite varied.
Traditional ultrasonic imaging method is only capable of institutional framework being reconstructed imaging, it is impossible to which lesion nature is differentiated,
The tissue characteristics such as viscosity, elasticity can not be differentiated.In addition, conventional Ultrasound imaging can not carry out precise positioning to focus.
Utility model content
The technical problems to be solved in the utility model is that the drawbacks described above for prior art is visited there is provided a kind of ultrasound
Head and portable ultrasound imaging auxiliary diagnostic equipment.
The utility model solves the technical scheme that its technical problem used：Construct a kind of ultrasonic probe, including shell,
Be nested in shell and end extend outer casing bottom for the solid wood structure for organizing to contact, be contained in shell and with it is outer
The loudspeaker of connection, the logical handle provided with cable at the top of shell, the opening of the cone basin of loudspeaker are connected towards solid wood structure with cone basin
Dust cap be high molecular weight plastic material, and dust cap is connected by a plastics push rod with solid wood structure, the solid wood structure
The interior impedance for being disposed with ultrasonic transducer vertically with organizing the end that contacts and being electrically connected with ultrasonic transducer from it
Match adjuster, the end of ultrasonic transducer extends the solid wood structure end for being contacted with tissue, the handle according to
Secondary non-contactly wear after shell, solid wood structure is fixedly connected with ultrasonic transducer shell, voice coil loudspeaker voice coil, impedance matching in loudspeaker
Adjuster is connected by the cable in handle with outside ultrasonic control system respectively；
The mechanical vibratory excitation signal that the loudspeaker is used to receive ultrasonic control system output is shaken with carrying out Low-Frequency Mechanical
Dynamic, the low-frequency mechanical vibrations are delivered to tissue by solid wood structure；The ultrasonic transducer is used in ultrasonic control system
The lower transmitting ultrasonic wave of control, and receive the shearing in the ultrasound echo signal and tissue in tissue produced by low-frequency mechanical vibrations
Ripple signal, and the signal of reception exported to ultrasonic control system by impedance matching adjuster with carry out tissue hardness analysis and
Reconstructed tissue is imaged.
In ultrasonic probe described in the utility model, the ultrasonic probe, which also includes one, to be used to adjust magnetic in loudspeaker
The magnetic induction intensity adjuster of induction and then auxiliary adjustment low-frequency mechanical vibrations amplitude, the magnetic induction intensity adjuster leads to
The cable crossed in handle is connected with outside ultrasonic control system.
In ultrasonic probe described in the utility model, the magnetic induction intensity adjuster is the magnetic for being wound on loudspeaker
Coil on internal T iron, ultrasonic control system is by the size and Orientation of electric current in control coil to adjust magnetic in loudspeaker
Induction.
The invention also discloses a kind of portable ultrasound imaging auxiliary diagnostic equipment, including described ultrasonic probe and
Ultrasonic control system, the ultrasonic control system includes：
Main control module；
Mechanical vibratory excitation signal drive module, connects the main control module and loudspeaker, for main control module to be exported
Mechanical vibratory excitation signal be amplified after export to loudspeaker；
Ultrasonic excitation signals are produced and first control module of shaking, and connect the main control module and impedance matching adjuster, are used
Ultrasonic transducer is triggered after handling the ultrasonic excitation signals that main control module is exported and launches ultrasonic wave to tissue；
Signal processing module, connects the main control module and impedance matching adjuster, for what is received to ultrasonic transducer
Signal is delivered to main control module and carries out tissue hardness analysis and reconstructed tissue imaging after being handled.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, the mechanical vibratory excitation signal drives
Dynamic model block includes what is be sequentially connected：The D/A converter module that is connected with main control module, bandpass filter, the work(being connected with loudspeaker
Rate amplification module, D/A converter module is used to the data signal that exports main control module and is converted to again change after analog voltage signal
As AC signal, bandpass filter is used for the filtering process that the alternation AC signal of reception is carried out to 5Hz-1KHz
After export to power amplifier module, power amplifier module is used to carry out filtered alternation AC signal after power amplification
Export to loudspeaker.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, the assistant diagnosis system also includes
D/A converter module, the ultrasonic probe also includes a magnetic induction intensity regulation for being used to adjust loudspeaker intrinsic inductance
Device, the D/A converter module connection main control module and magnetic induction intensity adjuster, the numeral for main control module to be exported is believed
Number be converted to and to be transformed into AC signal after analog voltage signal again and export to magnetic induction intensity adjuster, the magnetic induction
Intensity adjustment is used to adjust loudspeaker intrinsic inductance and then auxiliary adjustment low-frequency mechanical vibrations amplitude.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, main control module includes：It is FPGA, outer
Enclose circuit, for what is be controlled to FPGA and peripheral circuit and ultrasound echo signal and shearing wave signal are parsed
MCU, the FPGA are connected to MCU by 16 I/O buses and spi bus, and the peripheral circuit includes what is be connected with MCU：
SD card memory module, LCD MODULE, for lithium battery power supply is managed power management module, by serial ports with
MCU connections are so that data to be sent to wireless communication module, the USB interface at PC ends.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, wireless communication module includes bluetooth mould
Block and/or WiFi module.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, the power management module includes：
Battery, the power management chip charged the battery, the first DC-DC for 12V input voltages to be converted to 3.3V supplies MCU
Converter, for by 12V input voltages be converted to 3.3V supply peripheral circuit the second DC-DC converter, for 12V to be inputted
Voltage conversion is the 3rd DC-DC converter that 8V supplies ultrasonic excitation signals generation and first control module of shaking, and the 2nd DC-DC becomes
Parallel operation, the 3rd DC-DC converters each receive 12V input voltages, the control of each switching device by a switching device respectively
End is connected to power management chip.
In portable ultrasound imaging auxiliary diagnostic equipment described in the utility model, the ultrasonic transducer uses multilayer
Shake first Scan Architecture, the signal processing module include be sequentially connected pretreatment circuit, magnifier, filter circuit,
Demodulator circuit, AD Acquisition Circuit, the pretreatment circuit are also connected with impedance matching adjuster, and the AD Acquisition Circuit connects master control
Module.
Implement ultrasonic probe of the present utility model and portable ultrasound imaging auxiliary diagnostic equipment, with following beneficial effect
Really：Probe of the present utility model not only possesses conventional ultrasonic tissue reconstruct imaging function, and can be carried out by loudspeaker
Low-frequency mechanical vibrations, low-frequency mechanical vibrations are delivered to tissue by solid wood structure, so as to form shearing wave, shearing wave in tissue
It can be received and then be exported to ultrasonic control system to carry out tissue hardness analysis by ultrasonic transducer, so realize to neuropathic
Matter is differentiated；
Further, in probe of the present utility model, by setting up coil on the T iron of loudspeaker, control coil is passed through
In size of current and direction realize regulation loudspeaker intrinsic inductance, and then auxiliary adjustment low-frequency mechanical vibrations amplitude；
Further, data can will be sent to PC ends by the utility model by wireless communication module or USB interface,
Used suitable for family, and power management module can realize that power supply low-power consumption is managed；Ultrasonic transducer is shaken member using multilayer
Scan Architecture, the time delay launched per Lu Zhenyuan makes the certain point that ultrasound beamformer is focused in tissue, realizes to the accurate of focus
Positioning.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the preferred embodiment of the utility model ultrasonic probe；
Fig. 2 is the structural representation of loudspeaker in Fig. 1；
Fig. 3 be the utility model ultrasonic probe preferred embodiment in ultrasonic transducer first distribution schematic diagram that shakes；
Fig. 4 is the structural representation of the utility model portable ultrasound imaging auxiliary diagnostic equipment.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate embodiment of the present utility model.
It is the structural representation of the preferred embodiment of the utility model ultrasonic probe with reference to Fig. 1.Fig. 2 is loudspeaker in Fig. 1
Structural representation.
Ultrasonic probe of the present utility model, including shell 2, be nested in shell 2 and end extend the bottom of shell 2 with
For the solid wood structure 1 contacted with animal tissue, the loudspeaker 5 for being contained in shell 2 and be connected with the top of shell 2, lead to and be provided with
The handle 4 of cable 3, the opening of the cone basin of loudspeaker 5 is towards solid wood structure 1, and the dust cap 17 being connected with cone basin is polymer plastic
Glue material matter, and dust cap 17 is connected by a plastics push rod 6 with solid wood structure 1, is connect in the solid wood structure 1 from it with tissue
Play the impedance matching adjuster for being disposed with ultrasonic transducer vertically and being electrically connected with ultrasonic transducer, ultrasound in tactile end
The end of solid wood structure 1 is extended for being contacted with tissue in the end of transducer, and the handle 4 is non-contactly worn successively
It is fixedly connected after shell 2, solid wood structure 1 with ultrasonic transducer shell, voice coil loudspeaker voice coil 16, impedance matching adjuster point in loudspeaker 5
It is not connected by the cable 3 in handle 4 with outside ultrasonic control system.
The mechanical vibratory excitation signal that the loudspeaker 5 is used to receive ultrasonic control system output is shaken with carrying out Low-Frequency Mechanical
Dynamic, the low-frequency mechanical vibrations are delivered to tissue by solid wood structure 1；The ultrasonic transducer is used in ultrasonic control system
The lower transmitting ultrasonic wave of control, and receive the shearing in the ultrasound echo signal and tissue in tissue produced by low-frequency mechanical vibrations
Ripple signal, and the signal of reception exported to ultrasonic control system by impedance matching adjuster with carry out tissue hardness analysis and
Reconstructed tissue is imaged.
In preferred embodiment, impedance matching adjuster, ultrasonic transducer can be welded on same circuit board and form one
Individual entirety.Solid wood structure 1 is tubular, and the outer tight set shell 2 of solid wood structure 1, shell 2 is mainly attractive in appearance and dust-proof.
With continued reference to Fig. 2, the structure of existing loudspeaker is made full use of in preferred embodiment.Loudspeaker 5 includes clamping plate 10,
Frame 11 positioned at the side of clamping plate 10, positioned at the Antimagnetic hood 12 of the opposite side of clamping plate 10, Antimagnetic hood 12 can pass through the modes such as welding
On the roof for being fixed on shell 1, fixed in Antimagnetic hood 12 and one is provided with a magnet 13, magnet 13 for enhancing magnet 13
Cone basin 15, voice coil loudspeaker voice coil 16, dust cap 17 are provided with the T iron 14 of magnetic, frame 11.When loudspeaker 5 works, the vibration of voice coil loudspeaker voice coil 16 drives
Community's motion of connected cone basin 15, dust cap 17, and solid wood structure 1 is transferred to by plastics push rod 6.Frame 11,
Magnet 13, T iron 14, Antimagnetic hood 12 are static part.
In this way, when voice coil loudspeaker voice coil 16 vibrates, driving the community of cone basin 15, dust cap 17, push rod 6, solid wood structure 1 to carry out
Low-frequency mechanical vibrations are passed to tissue by low-frequency mechanical vibrations, solid wood structure 1 again, and then form shearing wave in the tissue, according to
The speed of shearing wave can obtain the hardness information of tissue, you can obtain the pathological characteristics of tissue.
It is understood that the transmission of vibration is not limited to this, as long as can transmit the low-frequency mechanical vibrations of loudspeaker 5
Community to solid wood structure 1 is within protection domain of the present utility model.For example, it is also possible to be the connection of other shapes
Part, however it is not limited to push rod.In addition, magnet 1, frame 11, ultrasonic transducer, impedance matching adjuster can also be consolidated by support
Fixed integral, handle 4 is fixed with the overall structure after fixing.
It is preferred that, the ultrasonic probe also includes the magnetic induction intensity for being used to adjust in loudspeaker 5 and then aids in adjusting
The magnetic induction intensity adjuster of low-frequency mechanical vibrations amplitude is saved, the magnetic induction intensity adjuster is by the cable in handle and outside
The ultrasonic control system connection in portion.
For example, in embodiment, the magnetic induction intensity adjuster is one and is wound in the magnet 13 of loudspeaker 5
Coil (not shown) on T iron 14, ultrasonic control system is by the size and Orientation of electric current in control coil to adjust loudspeaker 5
Interior magnetic induction intensity.
Be with reference to Fig. 3 the utility model ultrasonic probe preferred embodiment in ultrasonic transducer first distribution schematic diagram that shakes.
It is preferred that, the ultrasonic transducer is shaken first Scan Architecture using multilayer, the main control module 400 pass through control per Lu Zhenyuan hair
The time delay penetrated makes the certain point that ultrasound beamformer is focused in tissue.Every layer of member of shaking forms planar circular structure.Preferred embodiment
In, 1 member of shaking of first layer, 8 members of shaking of the second layer, 16 members of shaking of third layer, * 8 members of shaking of n-th layer (N-1), the like.It is logical
Cross the time delay launched per Lu Zhenyuan make certain point that ultrasound beamformer focused in tissue (point for each Lu Zhenyuan signal simultaneously
A bit reached, signal is most strong), you can realize the precise positioning to focus.
Accordingly, the invention also discloses a kind of portable ultrasound imaging auxiliary diagnostic equipment.It is this with reference to Fig. 4
The structural representation of utility model portable ultrasound imaging auxiliary diagnostic equipment.Portable ultrasound imaging auxiliary of the present utility model
Diagnostic device, including described ultrasonic probe and ultrasonic control system.Wherein, the ultrasonic control system includes main control module
400th, mechanical vibratory excitation signal drive module 100, ultrasonic excitation signals are produced and first control module 200 of shaking.Wherein：
Mechanical vibratory excitation signal drive module 100, connects the main control module 400 and loudspeaker 5, for by master control mould
The mechanical vibratory excitation signal that block 400 is exported is exported to loudspeaker 5 after being amplified；
Ultrasonic excitation signals are produced and first control module 200 of shaking, and connect the main control module 400 and impedance matching regulation
Device, is arrived for triggering ultrasonic transducer transmitting ultrasonic wave after handling the ultrasonic excitation signals that main control module 400 is exported
Tissue.In specific embodiment, ultrasonic excitation signals produce and shaken first control module 200 and carry out power amplification using EL7222,
Then impedance matching is realized by transformer.
Signal processing module 300, connects the main control module 400 and impedance matching adjuster, for ultrasonic transducer
The signal of reception is delivered to main control module 400 and carries out tissue hardness analysis and reconstructed tissue imaging after being handled.
Main control module 400, including FPGA, peripheral circuit, for being controlled and FPGA and peripheral circuit to ultrasound
The MCU that echo-signal and shearing wave signal are parsed, the FPGA are connected to by 16 I/O buses and spi bus
MCU, the peripheral circuit includes what is be connected with MCU：SD card memory module, LCD MODULE, for entering to lithium battery power supply
The power management module of row management, it is connected and is connect so that data to be sent to the wireless communication module at PC ends, USB with MCU by serial ports
Mouthful.Wireless communication module includes bluetooth module and/or WiFi module.
Control FPGA to produce pulse signal by MCU to vibrate come controlling loudspeaker 5, so that ultrasonic probe shell and solid wood
Structural vibration and produce shearing wave；In addition, MCU also controls FPGA to carry out Barker and Golay to every road ultrasonic excitation signals
Coding, excitation ultrasound transducer industry crosses ultrasonic coupling agent and sends multiplex ultrasonic to biological tissue, and FPGA is by control per road
The certain point that the time delay of member of shaking transmitting makes ultrasound beamformer focus in tissue；The ultrasonic echo that FPGA is received to multichannel array element
Signal is analyzed, processing and digit synthesis, and extracts the spread speed of shearing wave in the tissue, and tissue hardness information is visited
Depth measurement degree, the information such as institutional framework is uploaded to MCU by SPI/16 IO buses and shown, storage and by wired or
Wirelessly it is uploaded to PC ends or PDA or mobile phone is further shown, controls and be imaged.
Wherein, the power management module can realize that low-power consumption is managed, and it is specifically included：Battery, charge the battery
Power management chip, for by 12V input voltages be converted to 3.3V supply MCU the first DC-DC converter, for 12V is defeated
Enter voltage conversion and supply the 2nd DC-DC converters of peripheral circuit, for 12V input voltages to be converted into 8V supplies for 3.3V
Ultrasonic excitation signals generation and the 3rd DC-DC converter of first control module of shaking, the second DC-DC converter, the 3rd DC-DC become
Parallel operation each receives 12V input voltages by a switching device respectively, and the control end of each switching device is connected to power management
Chip.
Wherein, the mechanical vibratory excitation signal drive module 100 includes what is be sequentially connected：It is connected with main control module 400
D/A converter module, bandpass filter, the power amplifier module being connected with loudspeaker 5, D/A converter module is used for master control
The data signal that module 400 is exported is converted to is transformed into AC signal again after analog voltage signal, bandpass filter is used
Exported after the alternation AC signal of reception to be carried out to 5Hz-1KHz filtering process to power amplifier module, power is put
Big module is used to export to loudspeaker 5 after filtered alternation AC signal is carried out into power amplification.
In one specific example, the DAC908E that D/A converter module is selected, using the band logical with a width of 5Hz-1KHz
Wave filter is filtered, the STK084 that power amplifier module is used.Controlled by way of FPGA inquires about sine table and uses timing
DAC908E produces the low frequency signal of certain frequency as mechanical vibratory excitation signal, and detailed process is as follows：Pass through FPGA pairs
DAC908E carries out digital-to-analogue conversion, and the low frequency signal for producing a frequency-adjustable (is adjusted, frequency by FPGA<1kHz), then lead to
Cross a bandpass filter and bandpass filtering is carried out to the low frequency signal of generation, then by a power amplifier to the low of generation
Frequency signal is amplified, the voice coil loudspeaker voice coil 16 of the low frequency signal drive the speaker 5 after amplification, so as to cause the voice coil loudspeaker voice coil 16 of loudspeaker 5, cone
Basin 15, dust cap 17 and the push rod 6 connected together, solid wood structure 1 make low-frequency vibration, and specific vibration frequency is controlled by FPGA
System.
Wherein, the signal processing module 300 may be referred to the principle of existing ultrasonic image-forming system.For example, a tool
In body embodiment, signal processing module 300 includes the pretreatment circuit being sequentially connected, magnifier, filter circuit, demodulation
Circuit, AD Acquisition Circuit, the pretreatment circuit are also connected with impedance matching adjuster, and the AD Acquisition Circuit connects main control module
400.The utility model AD Acquisition Circuit is realized using ADC10321CIVT as 8 ADC acquisition chips to be believed ultrasonic echo
Number analog-to-digital conversion, first corresponding passage that each shakes led to using ADC chip, the digital output end of the road ADC chips of Bing Jiang 25
Bus control unit is crossed to be attached with FPGA.
It is preferred that, the assistant diagnosis system also includes D/A converter module, and the D/A converter module connects master control mould
Magnetic induction intensity adjuster in block 400 and loudspeaker 5, the data signal for main control module 400 to be exported is converted to simulation
It is transformed into AC signal after voltage signal again to export to magnetic induction intensity adjuster, magnetic induction intensity adjuster is adjusted again
Magnetic induction intensity and then auxiliary adjustment low-frequency mechanical vibrations amplitude in loudspeaker 5.In one specific embodiment, magnetic induction is strong
Degree adjuster is used as D/A converter module using 8 DAC908E.
Further, ultrasonic transducer is shaken first Scan Architecture using multilayer in the utility model, is launched per Lu Zhenyuan
Time delay makes the certain point that ultrasound beamformer is focused in tissue, realizes the precise positioning to focus；And main control module 400 is used
Barker and Golay encoding mechanisms are compressed coding to ultrasonic excitation signals, so that portable ultrasound imaging auxiliary is examined
The ultrasonic wave penetrability of disconnected device is stronger, realizes the ultrasonic imaging to deeper tissue.
In summary, implement ultrasonic probe of the present utility model and portable ultrasound imaging auxiliary diagnostic equipment, have
Following beneficial effect：Probe of the present utility model not only possesses conventional ultrasonic tissue reconstruct imaging function, and can pass through
Loudspeaker carries out low-frequency mechanical vibrations, and low-frequency mechanical vibrations are delivered to tissue by solid wood structure, is cut so as to be formed in tissue
Ripple is cut, shearing wave can be received and then exported to ultrasonic control system to carry out tissue hardness analysis by ultrasonic transducer, so
Realization differentiates to lesion nature；Further, in probe of the present utility model, by setting up line on the T iron of loudspeaker
Circle, regulation loudspeaker intrinsic inductance, and then auxiliary adjustment low frequency are realized by the size of current in control coil and direction
Mechanical oscillation amplitude；Further, data can will be sent to PC by the utility model by wireless communication module or USB interface
End, it is adaptable to which family uses, and power management module can realize that power supply low-power consumption is managed；Ultrasonic transducer is shaken using multilayer
First Scan Architecture, the time delay launched per Lu Zhenyuan makes the certain point that ultrasound beamformer is focused in tissue, realizes the essence to focus
Certainly position.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment be only it is schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model objective and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (10)
1. a kind of ultrasonic probe, it is characterised in that including shell (2), be nested in shell (2) and shell (2) is extended in end
Bottom for the solid wood structure (1) for the organizing contact, loudspeaker (5) at the top of shell (2), logical provided with cable (3)
Handle (4), the opening of the cone basin (15) of loudspeaker (5) is towards solid wood structure (1), the dust cap (17) being connected with cone basin (15)
For high molecular weight plastic material, and dust cap (17) is connected by a plastics push rod (6) with solid wood structure (1), the solid wood knot
From it is disposed with ultrasonic transducer vertically with the end for organizing to contact and is electrically connected with ultrasonic transducer in structure (1)
Impedance matching adjuster, it is described for being contacted with tissue that the solid wood structure (1) end is extended in the end of ultrasonic transducer
Handle (4) non-contactly wears shell (2), solid wood structure (1) and is fixedly connected afterwards with ultrasonic transducer shell (2) successively, raises one's voice
Voice coil loudspeaker voice coil (16), impedance matching adjuster in device (5) are respectively with outside ultrasound control by the cable (3) in handle (4)
System connection；
The mechanical vibratory excitation signal that the loudspeaker (5) is used to receive ultrasonic control system output is shaken with carrying out Low-Frequency Mechanical
Dynamic, the low-frequency mechanical vibrations are delivered to tissue by solid wood structure (1)；The ultrasonic transducer is used in ultrasonic control system
Control under launch ultrasonic wave, and receive cutting produced by low-frequency mechanical vibrations in the ultrasound echo signal and tissue in tissue
Ripple signal is cut, and the signal of reception is exported to ultrasonic control system to carry out tissue hardness analysis by impedance matching adjuster
With reconstructed tissue imaging.
2. ultrasonic probe according to claim 1, it is characterised in that the ultrasonic probe is also raised including one for regulation
The magnetic induction intensity adjuster of sound device (5) intrinsic inductance and then auxiliary adjustment low-frequency mechanical vibrations amplitude, the magnetic induction
Intensity adjustment is connected by the cable (3) in handle (4) with outside ultrasonic control system.
3. ultrasonic probe according to claim 2, it is characterised in that the magnetic induction intensity adjuster is wound on for one and raised
The coil on T iron (14) in the magnet (13) of sound device (5), size and side of the ultrasonic control system by electric current in control coil
To adjust loudspeaker (5) intrinsic inductance.
4. a kind of portable ultrasound imaging auxiliary diagnostic equipment, it is characterised in that including ultrasonic probe as claimed in claim 1
And ultrasonic control system, the ultrasonic control system includes：
Main control module (400)；
Mechanical vibratory excitation signal drive module (100), connects the main control module (400) and the loudspeaker (5), for inciting somebody to action
The mechanical vibratory excitation signal of main control module (400) output is exported to loudspeaker (5) after being amplified；
Ultrasonic excitation signals are produced and first control module (200) of shaking, and connect the main control module (400) and the impedance matching
Adjuster is super for triggering ultrasonic transducer transmitting after handling the ultrasonic excitation signals that main control module (400) is exported
Sound wave is to tissue；
Signal processing module (300), connects the main control module (400) and the impedance matching adjuster, for changing ultrasound
The signal that energy device is received is delivered to main control module (400) progress tissue hardness analysis after being handled and reconstructed tissue is imaged.
5. portable ultrasound imaging auxiliary diagnostic equipment according to claim 4, it is characterised in that the mechanical oscillation swash
Encouraging signal drive module (100) includes what is be sequentially connected：The D/A converter module that is connected with main control module (400), bandpass filtering
Device, the power amplifier module being connected with loudspeaker (5), the numeral that D/A converter module is used to export main control module (400) are believed
Number be converted to and to be transformed into AC signal after analog voltage signal again, bandpass filter is used for the alternation alternation electricity of reception
Stream signal export after 5Hz-1KHz filtering process to power amplifier module, and power amplifier module is used to hand over filtered
Become after AC signal carries out power amplification and export to loudspeaker (5).
6. portable ultrasound imaging auxiliary diagnostic equipment according to claim 5, it is characterised in that the auxiliary diagnosis system
System also includes D/A converter module, and the ultrasonic probe also includes the magnetic for being used to adjust loudspeaker (5) intrinsic inductance
Induction adjuster, D/A converter module connection main control module (400) and magnetic induction intensity adjuster, for by master control
The data signal of module (400) output is converted to be transformed into AC signal and exports to magnetic induction again after analog voltage signal
Intensity adjustment, the magnetic induction intensity adjuster is used to adjust loudspeaker (5) intrinsic inductance and then auxiliary adjustment low frequency
Mechanical oscillation amplitude.
7. portable ultrasound imaging auxiliary diagnostic equipment according to claim 6, it is characterised in that main control module (400)
Including：FPGA, peripheral circuit, for being controlled to FPGA and peripheral circuit and to ultrasound echo signal and shearing wave signal
The MCU parsed, the FPGA are connected to MCU by 16 I/O buses and spi bus, the peripheral circuit include with
MCU connections：SD card memory module, LCD MODULE, the power management module, logical for being managed to lithium battery power supply
Serial ports is crossed to be connected to be sent to data into wireless communication module, the USB interface at PC ends with MCU.
8. portable ultrasound imaging auxiliary diagnostic equipment according to claim 7, it is characterised in that wireless communication module bag
Include bluetooth module and/or WiFi module.
9. portable ultrasound imaging auxiliary diagnostic equipment according to claim 7, it is characterised in that the power management mould
Block includes：Battery, the power management chip charged the battery, for by 12V input voltages be converted to 3.3V supply MCU first
DC-DC converter, for by 12V input voltages be converted to 3.3V supply peripheral circuit the second DC-DC converter, for will
12V input voltages are converted to 8V supply ultrasonic excitation signals generations and the 3rd DC-DC conversion for first control module (200) of shaking
Device, the second DC-DC converter, the 3rd DC-DC converter each receive 12V input voltages by a switching device respectively, respectively
The control end of switching device is connected to power management chip.
10. portable ultrasound imaging auxiliary diagnostic equipment according to claim 5, it is characterised in that the ultrasonic transduction
Device is shaken first Scan Architecture using multilayer, and the signal processing module (300) includes pretreatment circuit, the instrument amplification being sequentially connected
Circuit, filter circuit, demodulator circuit, AD Acquisition Circuit, the pretreatment circuit are also connected with impedance matching adjuster, and the AD is adopted
Collector connection main control module (400).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141480.4U CN206518567U (en) | 2016-10-20 | 2016-10-20 | A kind of ultrasonic probe and portable ultrasound imaging auxiliary diagnostic equipment |
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|---|---|---|---|
| CN201621141480.4U CN206518567U (en) | 2016-10-20 | 2016-10-20 | A kind of ultrasonic probe and portable ultrasound imaging auxiliary diagnostic equipment |
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| CN110096468A (en) * | 2019-05-08 | 2019-08-06 | 西北大学 | It is a kind of based on FPGA architecture mobile module and its with the connection method of mobile phone |
| CN112450972A (en) * | 2020-11-19 | 2021-03-09 | 深圳大学 | Clamp device for imaging test of intravascular ultrasonic probe |
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| CN109009221A (en) * | 2018-08-22 | 2018-12-18 | 广东华睿远洋医疗科技有限公司 | A kind of Doppler's cardiac output detection device and its detection method |
| CN110096468A (en) * | 2019-05-08 | 2019-08-06 | 西北大学 | It is a kind of based on FPGA architecture mobile module and its with the connection method of mobile phone |
| CN112450972A (en) * | 2020-11-19 | 2021-03-09 | 深圳大学 | Clamp device for imaging test of intravascular ultrasonic probe |
| CN112450972B (en) * | 2020-11-19 | 2021-07-27 | 深圳大学 | Clamp device for imaging test of intravascular ultrasonic probe |
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