CN205411151U - Ultrafast optoacoustic image device based on array detector - Google Patents
Ultrafast optoacoustic image device based on array detector Download PDFInfo
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- CN205411151U CN205411151U CN201620126728.3U CN201620126728U CN205411151U CN 205411151 U CN205411151 U CN 205411151U CN 201620126728 U CN201620126728 U CN 201620126728U CN 205411151 U CN205411151 U CN 205411151U
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Abstract
The utility model discloses an ultrafast optoacoustic image device based on array detector, it relates to biomedical formation of image and medical instrument technical field. The pulsed laser of KHz semiconductor fiber laser transmission restraints output through fiber coupler with a branch of share multi beam optic fibre of incident laser through single multimode fiber, the optical fiber bundle distributes uniformly in bowl form inner shell, composite cable includes single multimode fiber and data line, the butt joint is connected with the array ultrasonic detector, the array ultrasonic detector distributes uniformly on bowl form inner shell, be full of ultrasound coupling agent coupling supersound in the bowl form inner shell, and seal by rubber sealing ring, the outer shell of bowl form is outside bowl form inner shell, the bottom of bowl form shell covers there is printing opacity entrant sound film. Adopt KHz semiconductor laser as the optoacoustic driving source, have characteristics such as small, safety and stability, maintenance are simple, but the portable designing of implementation system. Ultrafast radiation, ultrafast collection has been realized, the ultrafast photoacoustic imaging of tens images of per second can be realized.
Description
Technical field:
This utility model relates to a kind of ultrafast opto-acoustic imaging devices based on detector array, belongs to biomedical imaging and technical field of medical instruments.
Background technology:
Photoacoustic imaging is a kind of new lossless medical imaging procedure of development in recent years, the advantage that it combines the high-penetration depth characteristic of the high contrast features of pure optical imagery and pure ultra sonic imaging, it is provided that high-resolution and the tissue image of high-contrast.Photoacoustic imaging detector many employings linear array, ring battle array, face battle array at present, the condition at not rotary sample or detector that is difficult to obtains the complete data needed for three-dimensional imaging, conventional excitation light source mostly is pulsed or tunable pulsed laser device, and such laser instrument generally has numerous shortcomings such as volume is big, expensive, service life is limited, repetition rate is low, Maintenance Difficulty, and it is difficult to realize the miniaturization of system and industrialization, there is significant limitation in actual applications.
Summary of the invention:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of ultrafast opto-acoustic imaging devices based on detector array.
nullThis utility model ultrafast opto-acoustic imaging devices based on detector array,It comprises KHz semiconductor laser、Composite cable、Fiber coupler、Butt joint、Fibre bundle、Array ultrasonic sensors、Rubber seal ring、Bowl-shape inner shell、Printing opacity entrant sound thin film、Ar bowl-shaped enclosure、Data wire、Signal Pretreatment assembly、Data acquisition components and computer,A branch of for incident laser multiple beams of optical fiber bundle that is divided into is exported through fiber coupler by the pulse laser that KHz semiconductor light fibre laser is launched by single multimode fiber，Fibre bundle is evenly distributed in bowl-shape inner shell，Composite cable includes single multimode fiber and data wire,Butt joint is connected with array ultrasonic sensors,And described array ultrasonic sensors is evenly distributed on bowl-shape inner shell，Ultrasonic coupling agent coupling ultrasonic it is full of in described bowl-shape inner shell，And sealed by rubber seal ring,Described ar bowl-shaped enclosure is enclosed within outside bowl-shape inner shell，The bottom of ar bowl-shaped enclosure is coated with printing opacity entrant sound thin film.
As preferably, described fibre bundle, fiber coupler, composite cable, KHz semiconductor laser are sequentially connected with the wire of computer.
As preferably, described array ultrasonic sensors, butt joint, composite cable, data wire, Signal Pretreatment assembly, data acquisition components, computer are sequentially connected with.
As preferably, described KHz semiconductor optical fibre Laser synchronisation output is connected with data acquisition components.
As preferably, described KHz semiconductor laser, Signal Pretreatment assembly, data acquisition components, computer can be put and be loaded on moveable platform.
As preferably, described Signal Pretreatment assembly carries out the preposition amplification of ultra-low noise to signal.
As preferably, the port number of the described parallel acquisition in data acquisition components is identical with the array element number of array ultrasonic sensors.
The beneficial effects of the utility model: 1, use KHz semiconductor laser as light acoustic excitation sources, feature, the portable design of feasible system such as have that volume is little, safety and stability, maintenance are simple.
2, use array fibre bundle radiation laser, then use detector array to receive photoacoustic signal, it may be unnecessary to rotary sample or detector just can obtain the complete data needed for image reconstruction.
3, use the imaging mode that KHz semiconductor light fibre laser, detector array combine with multi-channel parallel system, it is achieved that ultrafast radiation, ultrafast collection, the ultrafast photoacoustic imaging of tens width images per second can be realized.
Accompanying drawing illustrates:
For ease of explanation, this utility model is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is this utility model structural representation.
1-KHz semiconductor laser；2-composite cable；3-fiber coupler；4-butt joint；5-fibre bundle；6-array ultrasonic sensors；7-rubber seal ring；The bowl-shape inner shell of 8-；9-printing opacity entrant sound thin film；10-ar bowl-shaped enclosure；11-data wire；12-Signal Pretreatment assembly；13-data acquisition components；14-computer.
Detailed description of the invention:
nullAs shown in Figure 1，This detailed description of the invention is by the following technical solutions: it comprises KHz semiconductor laser 1、Composite cable 2、Fiber coupler 3、Butt joint 4、Fibre bundle 5、Array ultrasonic sensors 6、Rubber seal ring 7、Bowl-shape inner shell 8、Printing opacity entrant sound thin film 9、Ar bowl-shaped enclosure 10、Data wire 11、Signal Pretreatment assembly 12、Data acquisition components 13 and computer 14,A branch of for incident laser multiple beams of optical fiber bundle 5 that is divided into is exported through fiber coupler 3 by the pulse laser that KHz semiconductor light fibre laser 1 is launched by single multimode fiber，Fibre bundle 5 is evenly distributed in bowl-shape inner shell 8，Composite cable 2 includes single multimode fiber and data wire,Butt joint 4 is connected with array ultrasonic sensors 6,And described array ultrasonic sensors 6 is evenly distributed on bowl-shape inner shell 8，Ultrasonic coupling agent coupling ultrasonic it is full of in described bowl-shape inner shell 8，And sealed by rubber seal ring 7,Described ar bowl-shaped enclosure 10 is enclosed within outside bowl-shape inner shell 8，The bottom of ar bowl-shaped enclosure 10 is coated with printing opacity entrant sound thin film 9.
Wherein, described fibre bundle 5, fiber coupler 3, composite cable 2, KHz semiconductor laser 1 are sequentially connected with the wire of computer 14；Described array ultrasonic sensors 6, butt joint 4, composite cable 2, data wire 11, Signal Pretreatment assembly 12, data acquisition components 13, computer 14 are sequentially connected with；Described KHz semiconductor light fibre laser 1 synchronism output is connected with data acquisition components 13；Described KHz semiconductor laser 1, Signal Pretreatment assembly 12, data acquisition components 13, computer 14 can be put and be loaded on moveable platform；Described Signal Pretreatment assembly 12 carries out the preposition amplification of ultra-low noise to signal；The port number of the described parallel acquisition in data acquisition components 13 is identical with the array element number of array ultrasonic sensors 6.
The operating procedure of this detailed description of the invention is: incident laser is divided into multi-channel optical fibre output by fiber coupler 3 by the laser that a.KHz semiconductor laser 1 is launched, and uniform irradiation is on sample and produces photoacoustic signal；Each array element of the array ultrasonic sensors 6 being b. evenly distributed on bowl-shape inner shell is simultaneously received the photoacoustic signal of this position, is stored in computer 14 after signal being carried out data acquisition by data acquisition components 13 after signal pre-processing circuit carries out low-pass filtering and preposition amplification to signal；C. utilize Matlab data processing software to write image reconstruction program, obtain the ultrafast photoacoustic image of high-resolution, high-contrast, and show over the display.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
- null1. a ultrafast opto-acoustic imaging devices based on detector array，It is characterized in that: it comprises KHz semiconductor laser (1)、Composite cable (2)、Fiber coupler (3)、Butt joint (4)、Fibre bundle (5)、Array ultrasonic sensors (6)、Rubber seal ring (7)、Bowl-shape inner shell (8)、Printing opacity entrant sound thin film (9)、Ar bowl-shaped enclosure (10)、Data wire (11)、Signal Pretreatment assembly (12)、Data acquisition components (13) and computer (14),A branch of for incident laser multiple beams of optical fiber bundle (5) that is divided into is exported through fiber coupler (3) by the pulse laser that KHz semiconductor light fibre laser (1) launches by single multimode fiber，Fibre bundle (5) is evenly distributed in bowl-shape inner shell (8)，Composite cable (2) includes single multimode fiber and data wire,Butt joint (4) is connected with array ultrasonic sensors (6),And described array ultrasonic sensors (6) is evenly distributed on bowl-shape inner shell (8)，Ultrasonic coupling agent coupling ultrasonic it is full of in described bowl-shape inner shell (8)，And sealed by rubber seal ring (7),Described ar bowl-shaped enclosure (10) is enclosed within bowl-shape inner shell (8) outward，The bottom of ar bowl-shaped enclosure (10) is coated with printing opacity entrant sound thin film (9).
- 2. according to a kind of based on detector array the ultrafast opto-acoustic imaging devices described in claim 1, it is characterised in that: described fibre bundle (5), fiber coupler (3), composite cable (2), KHz semiconductor laser (1) are sequentially connected with the wire of computer (14).
- 3. according to a kind of based on detector array the ultrafast opto-acoustic imaging devices described in claim 1, it is characterised in that: described array ultrasonic sensors (6), butt joint (4), composite cable (2), data wire (11), Signal Pretreatment assembly (12), data acquisition components (13), computer (14) are sequentially connected with.
- 4. according to a kind of based on detector array the ultrafast opto-acoustic imaging devices described in claim 1, it is characterised in that: described KHz semiconductor light fibre laser (1) synchronism output is connected with data acquisition components (13).
- 5. according to a kind of based on detector array the ultrafast opto-acoustic imaging devices described in claim 1, it is characterised in that: the port number of the described parallel acquisition in data acquisition components (13) is identical with the array element number of array ultrasonic sensors (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620126728.3U CN205411151U (en) | 2016-02-18 | 2016-02-18 | Ultrafast optoacoustic image device based on array detector |
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| CN201620126728.3U CN205411151U (en) | 2016-02-18 | 2016-02-18 | Ultrafast optoacoustic image device based on array detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106473751A (en) * | 2016-11-25 | 2017-03-08 | 刘国栋 | Palm blood vessel imaging based on arrayed ultrasonic sensor and identifying device and its imaging method |
| CN108802710A (en) * | 2018-06-06 | 2018-11-13 | 复旦大学 | Flash of light laser acquisition based on vertical cavity surface emitting laser and measuring system |
| CN110037654A (en) * | 2019-03-22 | 2019-07-23 | 同济大学 | A kind of noninvasive cerebral function imaging helmet and imaging method |
| CN110367942A (en) * | 2019-08-23 | 2019-10-25 | 中国科学技术大学 | Photoacoustic imaging system and method |
| CN110477871A (en) * | 2019-09-10 | 2019-11-22 | 南方科技大学 | For moving freely the photoacoustic tomography device of experimental animal Brian Imaging under state |
-
2016
- 2016-02-18 CN CN201620126728.3U patent/CN205411151U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106473751A (en) * | 2016-11-25 | 2017-03-08 | 刘国栋 | Palm blood vessel imaging based on arrayed ultrasonic sensor and identifying device and its imaging method |
| CN106473751B (en) * | 2016-11-25 | 2024-04-23 | 刘国栋 | Palm blood vessel imaging and identifying device based on array ultrasonic sensor and imaging method thereof |
| CN108802710A (en) * | 2018-06-06 | 2018-11-13 | 复旦大学 | Flash of light laser acquisition based on vertical cavity surface emitting laser and measuring system |
| CN110037654A (en) * | 2019-03-22 | 2019-07-23 | 同济大学 | A kind of noninvasive cerebral function imaging helmet and imaging method |
| CN110037654B (en) * | 2019-03-22 | 2021-05-11 | 同济大学 | Noninvasive brain function imaging helmet and imaging method |
| CN110367942A (en) * | 2019-08-23 | 2019-10-25 | 中国科学技术大学 | Photoacoustic imaging system and method |
| WO2021036897A1 (en) * | 2019-08-23 | 2021-03-04 | 中国科学技术大学 | Photoacoustic imaging system and method |
| CN110367942B (en) * | 2019-08-23 | 2021-03-09 | 中国科学技术大学 | Photoacoustic imaging system and method |
| CN110477871A (en) * | 2019-09-10 | 2019-11-22 | 南方科技大学 | For moving freely the photoacoustic tomography device of experimental animal Brian Imaging under state |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170218 |