CN109925004A - Conduit and imaging device are peeped in snooping head and ultrasound with it in a kind of ultrasound - Google Patents
Conduit and imaging device are peeped in snooping head and ultrasound with it in a kind of ultrasound Download PDFInfo
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- CN109925004A CN109925004A CN201711373564.XA CN201711373564A CN109925004A CN 109925004 A CN109925004 A CN 109925004A CN 201711373564 A CN201711373564 A CN 201711373564A CN 109925004 A CN109925004 A CN 109925004A
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 100
- 238000003384 imaging method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 208000008918 voyeurism Diseases 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000011835 investigation Methods 0.000 abstract description 6
- 244000144985 peep Species 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002608 intravascular ultrasound Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 210000000621 bronchi Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
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Abstract
The present invention relates to ultrasonic based endoscopic imaging fields, and in particular to a kind of ultrasound is interior to spy upon head, comprising: ultrasound emission receiving mechanism for emitting ultrasonic wave to target object, and receives the ultrasonic wave being reflected back by the target object simultaneously；The signal output end of the ultrasound emission receiving mechanism is arranged in signal enlarger (1), exports outward through transmission line (2) again after the signal amplification for exporting the signal output end.It further relates to peep conduit in a kind of ultrasound, including spying upon head in the described ultrasound, snooping head is placed in an outer tube (6) in the ultrasound.A kind of ultrasonic based endoscopic imaging device is further related to, including peeping conduit in the ultrasound, conduit is peeped in the ultrasound and is connect by bindiny mechanism with external imaging mechanism (8).The present invention improves a kind of amplitude, signal-to-noise ratio, detectivity and investigation depth for effectively improving ultrasound and obtaining signal, and then improves in the ultrasonic interior snooping head of signal quality and the ultrasound with it and peep conduit and imaging device.
Description
Technical field
The present invention relates to ultrasonic based endoscopic imaging fields, and in particular to peeps in snooping head and ultrasound with it in a kind of ultrasound
Conduit and imaging device.
Background technique
Such as ultrasonic gastroscope of ultrasonic Endoscopy, ultrasonic bronchoscope, intravascular ultrasound imaging with its high-resolution, in real time
Property it is good, imaging depth is deep the advantages that obtain clinical increasingly extensive application.This kind of ultrasound endoscopic imaging system, in order to detect people
Body interior lumen, the information of tissue usually can all have the ultrasonic transducer 5 of very long cable or conduit (length > 1m) and probe
Connection, as shown in Figure 1.Meanwhile in order to obtain higher resolution ratio, the working frequency of probe is also wanted generally in 10-70MHz
The working frequency of more traditional external Ultrasonic-B probe is high.And due to the decaying of ultrasonic signal in the tissue and frequency exponent function relation,
Signal that high frequency ultrasound detects and its faint is peeped in causing, usually in mV rank.In addition due to the interior high frequency ultrasound probe peeped
Transmission cable is longer, and in order to keep cable to can enter the detection intracavitary portion of target tube, such as intravascular ultrasound, the cable selected is all
Very thin, the signal for causing probe to receive its frequency bandwidth after cable transmission can be further narrow as, signal-to-noise ratio, signal strength
It is equally weakened, the signal received when final signal being caused to quantify is compared to the decline of pressure wave source signal signal-to-noise ratio, distortion spectrum
The subsequent signal processing of system and imaging bring great inconvenience.Furthermore in peep high frequency ultrasound system also proposed it is higher
Performance requirement limits further decreasing for system cost, causes equipment price high.
Summary of the invention
For this purpose, decaying is big technical problem to be solved by the present invention lies in the poor signal quality of existing high frequency ultrasound imaging,
The shallow defect of investigation depth, so propose it is a kind of effectively improve ultrasound obtain the amplitude of signal, signal-to-noise ratio, detectivity with
And investigation depth, and then improve in the ultrasonic interior snooping head of signal quality and the ultrasound with it and peep conduit and imaging device.
In order to solve the above-mentioned technical problems, the present invention provides spy upon head in a kind of ultrasound, comprising:
Ultrasound emission receiving mechanism for emitting ultrasonic wave to target object, and receives anti-by the target object simultaneously
The ultrasonic wave being emitted back towards；
The signal output end of the ultrasound emission receiving mechanism is arranged in signal enlarger, for the signal is defeated
It is exported outward through transmission line again after the signal amplification of outlet output.
Head, the signal output end of the signal enlarger and the ultrasound emission receiving mechanism are spied upon in the ultrasound
Pass through connection.
Head is spied upon in the ultrasound, the signal of the connection signal enlarger and the ultrasound emission receiving mechanism is defeated
The route road of outlet is cable or spun gold.
Spy upon head in the described ultrasound, the signal enlarger include micro-amplifier chip and with the miniature amplification
The circuit board of device chip connection.
Head is spied upon in the ultrasound, the ultrasound emission receiving mechanism includes ultrasonic transmitter and ultrasonic receiver, institute
Ultrasonic transmitter and ultrasonic receiver is stated to be arranged in angle.
Head is spied upon in the ultrasound, the signal enlarger is connect with the signal output end of the ultrasonic receiver.
The present invention also provides conduit is peeped in a kind of ultrasound, including spying upon head, snooping in the ultrasound in the ultrasound
Head is placed in an outer tube.
Conduit is peeped in the ultrasound, is additionally provided with one far from one end of the ultrasound emission receiving mechanism in the outer tube
The transmission line of bindiny mechanism, the interior snooping head of ultrasound is connected to the bindiny mechanism.
The present invention also provides one kind to have ultrasonic based endoscopic imaging device, described super including peeping conduit in the ultrasound
Conduit is peeped in sound to be connect by bindiny mechanism with external imaging mechanism.
The ultrasonic based endoscopic imaging device is provided between the bindiny mechanism and the external imaging mechanism and is used for
The changeover mechanism of the signal of the signal enlarger transmission is powered and received for the signal enlarger.
Technical solution of the present invention has the advantages that
1. spying upon head in ultrasound provided by the invention, pass through the signal output end setting signal in ultrasound emission receiving mechanism
Enlarger just amplifies the signal that signal output end exports before exporting outward through transmission line, can be greatly
Amplitude, signal-to-noise ratio, detectivity and the investigation depth etc. for receiving ultrasonic signal are improved, the signal matter of high frequency ultrasound is improved
Amount.
2. spying upon head in ultrasound provided by the invention, ultrasound emission receiving mechanism includes ultrasonic transmitter and ultrasonic reception
The signal output end of device, signal enlarger and ultrasonic receiver connects.Ultrasonic transmitter and ultrasonic receiver are provided separately, from
And reduce the setting of T/R switch and corresponding time controller, since the reduction of component in route can effectively improve reception
The quality of ultrasonic signal improves too big, the weak output signal of high frequency ultrasound decaying, the shallow insufficient problem of investigation depth.
3. peeping conduit in ultrasound provided by the invention, snooping head is placed in an outer tube in ultrasound, in outer tube far from ultrasound hair
The one end for penetrating receiving mechanism is additionally provided with a bindiny mechanism.In this way ultrasound in snooping head in ultrasound emission receiving mechanism and signal
The transmission line of enlarger connection can transmit outward ultrasonic signal through bindiny mechanism, and ultrasonic signal is high-quality.
4. ultrasound based endoscopic imaging device provided by the invention, conduit is peeped in ultrasound and passes through bindiny mechanism and external imaging mechanism
Connection.Ultrasonic signal in this way Jing Guo preparatory enhanced processing can be sent to external equipment through bindiny mechanism, and be ultimately imaged,
The quality for improving ultrasonic signal improves ultrasonic imaging decaying greatly, weak output signal, the shallow insufficient problem of investigation depth.Together
When being substantially improved due to original signal, the signal-to-noise ratio of signal can be effectively improved, can be provided for the subsequent filtering of system, gain bigger
Convenience, greatly reduce the performance requirement to related device.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that conduit is peeped in existing ultrasound；
Fig. 2 is the structural schematic diagram of snooping head in ultrasound of the invention；
Fig. 3 is the structural schematic diagram that conduit is peeped in ultrasound of the invention；
Fig. 4 is the schematic diagram of ultrasonic based endoscopic imaging device of the invention；
Description of symbols:
1- signal enlarger；2- transmission line；3- ultrasonic transmitter；4- ultrasonic receiver；5- ultrasonic transducer；Outside 6-
Pipe；7- bindiny mechanism；Imaging mechanism outside 8-；9- changeover mechanism；81- system host；82- display.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
A kind of specific embodiment of snooping head in ultrasound as shown in Figure 2, including ultrasound emission receiving mechanism and setting
In the signal enlarger 1 of the signal output end of ultrasound emission receiving mechanism.Ultrasound emission receiving mechanism is used for target object
Emit ultrasonic wave, and receives the ultrasonic wave being reflected back by the target object simultaneously；Signal enlarger 1 is for exporting signal
It is exported outward through transmission line 2 again after the signal amplification of end output.In the present embodiment, ultrasound emission receiving mechanism includes ultrasound
Transmitter 3 and ultrasonic receiver 4, ultrasonic transmitter 3 are used to emit ultrasonic wave to observation object, and ultrasonic receiver 4 is for receiving
By the reflected ultrasonic wave of observation object and be converted to electric signal.The signal enlarger 1 and the ultrasonic receiver 4
Signal output end passes through connection, such as cable or spun gold.
Specifically, ultrasonic transmitter 3 connects positive and negative two cables, the high pressure that cable distal end ultrasonic-frequency power supply module is generated
Electric impulse signal is transferred on ultrasonic transmitter 3.A coaxial cable and ultrasonic transmitter 3 can certainly be selected according to demand
Connection.4 one termination electrode of ultrasonic receiver connects ground wire, and another signal wire is connected to signal enlarger by Thin cable or spun gold etc.
On structure 1.The length of cable is greater than 10cm.
Ultrasonic transmitter 3 can be piezoelectric ceramic transducer, piezoelectric monocrystal energy converter, composite piezoelectric transducer, condenser type
Any one of ultrasonic transducer, piezoelectric membrane ultrasonic transducer, mangneto ultrasonic transducer or photoacoustic ultrasound energy converter etc.；Accordingly
Ground, ultrasonic receiver 4 can be piezoelectric ceramic transducer, piezoelectric monocrystal energy converter, composite piezoelectric transducer, condenser type ultrasound and change
Any one of energy device, piezoelectric membrane ultrasonic transducer or mangneto ultrasonic transducer etc..
The transmitting unit and receiving unit for including in ultrasonic transmitter 3 and ultrasonic receiver 4 can be with not just one, can also
It can be linear array or face battle array etc. to be two or multiple.Ultrasonic transmitter 3 and ultrasonic receiver 4 can be fixed on same pedestal
It is (intermediate gaps distance>1um,<10cm) adjacent to one another or on adjacent pedestal, but be not turned on.Ultrasonic transmitter 3 and ultrasound connect
The work area size for receiving device 4 may be the same or different.
In the present embodiment, the ultrasonic transmitter 3 and ultrasonic receiver 4 are arranged in angle.The purpose for the arrangement is that side
Just the transmitting, reception and transmission of ultrasonic signal.Certainly, the two can also be arranged in parallel, and select according to demand.
As a kind of specific embodiment, the signal enlarger 1 include micro-amplifier chip and with it is described micro-
The microcircuit card of type amplifier chip connection, microcircuit card can be PCB, fPCB, ASIC etc., and major function is to meet miniature put
The work power supply of big device chip, the export of signal and the connection with cable.The bandwidth of micro-amplifier chip can be from 50KHz-
4GHz, gain 0-60dB.
As a kind of alternative embodiment, ultrasound emission receiving mechanism may be by ultrasound emission and receive capabilities collection
The ultrasonic transducer being integrally formed.
As a kind of alternative embodiment, signal enlarger 1 can also be integrated into one with ultrasound emission receiving mechanism
Body setting, to reduce the use of connection line.
Embodiment 2
A kind of specific embodiment that conduit is peeped in ultrasound as shown in Figure 3, it is described including spying upon head in the ultrasound
Snooping head is placed in an outer tube 6 in ultrasonic.One is additionally provided with far from one end of the ultrasound emission receiving mechanism in the outer tube 6
The transmission line 2 of bindiny mechanism 7, the interior snooping head of ultrasound is connected to the bindiny mechanism 7.In the present embodiment, machine is connected
Structure 7 is connector, the one of the both threads cable of ultrasonic transmitter 3, a cable of ultrasonic receiver 4 and signal enlarger 1
Root cable is connected to connector, to guarantee the normal transmission of signal.
Conduit is peeped in the ultrasound may be used as ultrasonic gastroscope conduit, bronchus ultrasound catheter or intravascular ultrasound catheter
Deng.
Embodiment 3
A kind of specific embodiment of ultrasonic based endoscopic imaging device as shown in Figure 4, including peeping conduit in the ultrasound,
Conduit is peeped in the ultrasound to be connect by bindiny mechanism 7 with external imaging mechanism 8.The bindiny mechanism 7 and the outside at
The signal transmitted for powering and receiving the signal enlarger 1 for the signal enlarger 1 is provided between camera structure 8
Changeover mechanism 9.External imaging mechanism 8 includes the system host 81 and display ultrasound figure for being analyzed and processed to signal
The display 82 of picture.
Specifically, system host 81 include high voltage power supply, impulse generator, digital analog converter, amplifying circuit, filter and
Capture card etc..Changeover mechanism 9 is other than motor, transformer, encoder and the controller of peeping ultrasonic system configuration in routine, also
The power supply module and signal receiving module to work exclusively for signal enlarger 1.
The experimental results showed that in existing micro-amplifier and under conditions of do not increase existing ultrasonic transducer area, i.e., it is super
Acoustic transmitter and ultrasonic receiver area are the half of original conventional ultrasound transducer, using snooping in ultrasound of the invention
The signal of head acquisition is higher by one times or more than the waveform peak of the signal of snooping head acquisition in traditional ultrasound, illustrates that the present invention mentions
Scheme out be it is feasible, improve at least one times, it can be achieved that receiving signal using snooping head in ultrasound of the invention, signal
Strength improving effect is obvious.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. spying upon head in a kind of ultrasound characterized by comprising
Ultrasound emission receiving mechanism for emitting ultrasonic wave to target object, and receives be reflected back by the target object simultaneously
Ultrasonic wave；
The signal output end of the ultrasound emission receiving mechanism is arranged in signal enlarger (1), for exporting the signal
It is exported outward through transmission line (2) again after the signal amplification of end output.
2. spying upon head in ultrasound according to claim 1, which is characterized in that the signal enlarger (1) surpasses with described
The signal output end of sound emission receiving mechanism passes through connection.
3. spying upon head in ultrasound according to claim 2, which is characterized in that the route is cable or spun gold.
4. spying upon head in ultrasound according to claim 1-3, which is characterized in that the signal enlarger (1)
Including micro-amplifier chip and the circuit board being connect with the micro-amplifier chip.
5. spying upon head in ultrasound according to claim 1-4, which is characterized in that the ultrasound emission receiving mechanism
Including ultrasonic transmitter (3) and ultrasonic receiver (4), the ultrasonic transmitter (3) and ultrasonic receiver (4) are arranged in angle.
6. spying upon head in ultrasound according to claim 5, which is characterized in that the signal enlarger (1) surpasses with described
The signal output end of acoustic receiver connects.
7. peeping conduit in a kind of ultrasound, which is characterized in that including spying upon head, institute in ultrasound described in any one of claims 1-6
Snooping head in ultrasound is stated to be placed in an outer tube (6).
8. peeping conduit in ultrasound according to claim 7, which is characterized in that in the outer tube (6) far from the ultrasound hair
The one end for penetrating receiving mechanism is additionally provided with a bindiny mechanism (7), and the transmission line (2) of snooping head is connected to described in the ultrasound
Bindiny mechanism (7).
9. a kind of ultrasound based endoscopic imaging device, which is characterized in that described including peeping conduit in ultrasound described in claim 7 or 8
Conduit is peeped in ultrasound to be connect by bindiny mechanism (7) with external imaging mechanism (8).
10. ultrasound based endoscopic imaging device according to claim 9, which is characterized in that in the bindiny mechanism (7) and described
It is provided between external imaging mechanism (8) for powering and receiving the signal enlarger for the signal enlarger (1)
(1) changeover mechanism (9) of the signal transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373564.XA CN109925004A (en) | 2017-12-19 | 2017-12-19 | Conduit and imaging device are peeped in snooping head and ultrasound with it in a kind of ultrasound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373564.XA CN109925004A (en) | 2017-12-19 | 2017-12-19 | Conduit and imaging device are peeped in snooping head and ultrasound with it in a kind of ultrasound |
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| CN109925004A true CN109925004A (en) | 2019-06-25 |
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| CN201711373564.XA Pending CN109925004A (en) | 2017-12-19 | 2017-12-19 | Conduit and imaging device are peeped in snooping head and ultrasound with it in a kind of ultrasound |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134728A (en) * | 2020-02-20 | 2020-05-12 | 苏州希声科技有限公司 | Self-guided endoscopic system and diagnostic method of ultrasonic endoscopic interventional imaging |
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| JP2000298119A (en) * | 1999-04-15 | 2000-10-24 | Olympus Optical Co Ltd | Composite piezoelectric ultrasonic probe integrated with electric circuit and its manufacture |
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Application publication date: 20190625 |