Invention content
The purpose of the present invention is to provide a kind of water circulation system for optoacoustic mammary gland imager, solve optoacoustic mammary gland at
As technology needs water as medium, and the problem of needing to be always ensured that in full water state in detecting sink.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of water circulation system for optoacoustic mammary gland imager, above-mentioned water circulation system and the detection in optoacoustic mammary gland imager
Sink is connected, and above-mentioned water circulation system includes the water tank for the lower section for being set to above-mentioned detection sink, and above-mentioned water tank passes through the first water
Pump is connected with detection sink, and the outer edge of above-mentioned detection sink is provided with backflash, and above-mentioned backflash passes through return duct and water tank
It is connected, flow sensor is provided in above-mentioned backflash, above-mentioned flow sensor is connect with industrial control host signal;In above-mentioned water tank
It is provided with liquid level sensor, and is provided with the first solenoid valve being connect with liquid level sensor signal on its water inlet pipe.
Preferably, the bottom of above-mentioned detection sink is provided with the sink drain being connect with water tank, above-mentioned water channel drain
Second solenoid valve is provided on pipe, above-mentioned water tank connects tank drains pipe by the second water pump, is arranged on above-mentioned tank drains pipe
There are third solenoid valve and flow switch, above-mentioned first water pump, the second water pump, second solenoid valve, third solenoid valve and flow switch
It is connect with industrial control host signal.
Preferably, first interface is provided between above-mentioned second water pump and third solenoid valve, above-mentioned first solenoid valve
It is provided with second interface between water tank, water pipe connection is provided between above-mentioned first interface and second interface, in above-mentioned water pipe
On be provided with the 4th solenoid valve, above-mentioned first solenoid valve and liquid level sensor, safety switch, the 4th solenoid valve and the first water pump are equal
Signal connects.
Preferably, be provided with plano lens in above-mentioned detection sink and be connected with optoacoustic acquisition system, above-mentioned optoacoustic acquisition
System includes laser, optical fiber and annular array detector, and above-mentioned annular array detector is located above detection sink, and passes through
Data collecting card is connect with industrial control host signal;Above-mentioned optical fiber is located at the lower section of plano lens, and above-mentioned laser passes through optical fiber
The pulsed laser energy that laser is sent out is directed into below plano lens and is irradiated vertically upward.
Preferably, the plano lens for being provided with control detection sink and its inside below above-mentioned detection sink is lifted
Motor jacking system, above-mentioned motor jacking system signal is connected with electric machine controller, is additionally provided with and takes the photograph below above-mentioned plano lens
As unit, above-mentioned camera unit is used to observe the position relationship between human breast and plano lens, and result passes through according to the observation
Plano lens in motor jacking system control detection sink is lifted.
Preferably, motor rotary system is additionally provided with below above-mentioned detection sink, above-mentioned motor rotary system and electricity
Machine controller signal connects and is located on motor jacking system, and above-mentioned motor rotary system control fiber spinning is for adjusting light
The human breast position that fibre is irradiated.
Preferably, above-mentioned motor jacking system includes first motor jacking system and the second motor jacking system, it is above-mentioned
First motor jacking system is used to lift the plano lens in detection sink, adjusts micro- extruding of plano lens and human breast
State;Above-mentioned second motor jacking system is used to lift detection sink, realizes annular array detector to human breast
Multiple tomographies are scanned.
Preferably, above-mentioned laser includes laser host, laser head and connect laser control with industrial control host signal
Device processed is provided with coupler in above-mentioned laser head, and the pulse laser that laser head is sent out is coupled to by coupler in optical fiber.
Preferably, above-mentioned optical fiber is fixed on by interface on laser head, and the fiber outlet on optical fiber is provided with two
More than a, more than two fiber outlets are uniformly arranged;It is additionally provided with diffusion sheet between above-mentioned optical fiber and plano lens.
Preferably, be also connected with adapter on above-mentioned annular array detector in turn, above-mentioned adapter and amplifier
Input port connects, and the output port of above-mentioned amplifier is connect with data collecting card.
Compared with prior art, the beneficial effects of the invention are as follows:
Water circulation system in the present invention can be such that the water in detection sink is in always by the setting of water pump and backflash
The state of full water forms interior cycle, is conducive to optoacoustic breast imaging system and carries out photo-acoustic detection imaging, makes Detection accuracy more
It is high.
The optoacoustic mammary gland imager of present invention combination water circulation system can early diagnose tumor of breast, it utilizes short
Pulsed laser irradiation human breast organizes, and inspires wide band ultrasonic signal, which contains rich in breast tissue
Rich structure and function information.Ultrasonic signal acquisition is got off using ring-shaped ultrasonic sensor array, is calculated through finite element algorithm
Go out the Two dimensional Distribution of hemoglobin concentration and oxygen saturation in tissue, doctor can be by the parameter come the good pernicious progress to lesion
It distinguishes.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1~3, for one embodiment of the present of invention, a kind of water circulation system for optoacoustic mammary gland imager,
Above-mentioned water circulation system is connected with the detection sink 1 in optoacoustic mammary gland imager, and above-mentioned water circulation system is above-mentioned including being set to
The water tank 9 of the lower section of sink 1 is detected, above-mentioned water tank 9 is connected by the first water pump 14 with detection sink 1, above-mentioned detection sink 1
Outer edge is provided with backflash, and above-mentioned backflash is connected by return duct 10 with water tank 9, and flow biography is provided in above-mentioned backflash
Sensor, above-mentioned flow sensor are connect with 8 signal of industrial control host;Be provided with liquid level sensor 29 in above-mentioned water tank 9, and its into
The first solenoid valve 11 being connect with 29 signal of liquid level sensor is provided on water pipe.
In the present embodiment, in order to fill water by sink is detected by water circulation system, and detection sink is made entirely to make
With being in full water state in the process, therefore interior cycle need to be formed with water tank by water circulation system by sink is detected;In startup
When cycle, it is necessary first to which starting the first solenoid valve 11 makes water intake from water inlet pipe into water tank 9, and level sensing is provided in water tank
Device controls water surface elevation, and when liquid level reaches sensing station, liquid level sensor sends a signal to first solenoid valve 11, and first
Solenoid valve 11 closes and stops water inlet, and 29 failure of liquid level sensor, peace is provided in the top of liquid level sensor 29 in order to prevent
Full switch 30 can also close the first solenoid valve by safety switch;At the same time start the first water pump 14 into detection sink 1
Water storage is carried out, after detecting the storage full water of sink 1, the water detected in sink can be spilt into its outer peripheral backflash, then be passed through
Return line flow returns in water tank, therefore the water detected in sink forms interior cycle in full water state always, when detection sink 1
In being formed between water tank 9 after cycle, signal can be passed to industrial control host by the flow sensor in return duct, then be had
System prompt lamp is lighted, and cycle in operator's system is prompted to be formed.
Further, for an alternative embodiment of the invention, the bottom of above-mentioned detection sink 1 is provided with to be connected with water tank 9
The sink drain connect is provided with second solenoid valve 12 in above-mentioned sink drain, and above-mentioned water tank 9 is connected by the second water pump 15
Tank drains pipe is provided with third solenoid valve 13 and flow switch, above-mentioned first water pump 14, the second water on above-mentioned tank drains pipe
Pump 15, second solenoid valve 12, third solenoid valve 13 and flow switch are connect with 8 signal of industrial control host.
In the present embodiment, in order to complete to empty the water in detecting sink 1 later to disease detection in equipment, therefore detecting
The bottom of sink 1 is provided with the sink drain being connect with water tank, and after system completes secretary's acquisition, industrial control host sends letter
Number the first water pump 14 is given, so that the first water pump 14 is stopped cycle in stopping, while starting second solenoid valve 12 and make detection sink
In water all flow back into water tank 9, while starting the second water pump 15 and third solenoid valve 13 and draining outward, wait for that water is drained
Afterwards, it is all drained to detect water by the flow switch being arranged in tank drains pipe for system, and industrial control host stops the second water pump
15, third solenoid valve 13.
Further, for an alternative embodiment of the invention, since during draining, the liquid level in water tank 9 passes
Sensor is still working normally, in order to avoid the first solenoid valve 11 receives the signal of liquid level sensor and starts to intake, because
This is provided with first interface between the second water pump 15 and third solenoid valve 13, is provided between the first solenoid valve 11 and water tank 9
Second interface is provided with water pipe connection, is provided with the 4th solenoid valve on the water pipe between first interface and second interface, and first
Solenoid valve 11 is connect with liquid level sensor 29, safety switch 30, the 4th solenoid valve and 14 equal signal of the first water pump, when the first water pump
14 in close in the state of when, the first solenoid valve does not start under any circumstance;If the first solenoid valve 11 starts and water
When the circulatory system is in hull-borne, it can make to be discharged directly from the 4th solenoid valve into water by starting the 4th solenoid valve.
Further, it for an alternative embodiment of the invention, is provided with plano lens in above-mentioned detection sink 1 and is connected with
Optoacoustic acquisition system, detection sink 1 are metal groove body, and the bottom of detection sink 1 is provided with collapsible compressible high molecular material,
Then plano lens is placed on collapsible compressible high molecular material, and this soft connection is for detecting between sink 1 and plano lens
Relative displacement can be carried out, and can generate relative displacement after human breast is placed on plano lens and form extruding
State, above-mentioned optoacoustic acquisition system include laser 2, optical fiber 3 and annular array detector 5, above-mentioned annular array detector 5
Above detection sink 1, and it is connect with 8 signal of industrial control host by data collecting card 7;Above-mentioned optical fiber 3 is located under plano lens
Side, and above-mentioned laser 2 pulsed laser energy that laser 2 is sent out is directed by optical fiber 3 it is below plano lens and vertical
Irradiation upwards.
In the present embodiment, when needing to carry out optical acoustic scanning to human breast, 1 note of sink will be detected by water circulation system
Full water, then sends out pulse laser by the laser in optoacoustic acquisition system, and the pulsed laser energy that laser is sent out passes through
Below optic fibre guide to plano lens, and human breast is irradiated vertically upward, human breast generates ultrasonic signal after absorbing light energy,
Ultrasonic signal is converted to electric signal by the water in detection sink as in media transmission to annular array detector and by it, this
Electric signal is acquired by data collecting card and is saved in the acquisition imaging for completing data in industrial control host;By having after imaging
Limit Meta algorithm calculates the Two dimensional Distribution of hemoglobin concentration and oxygen saturation in tissue, and doctor can be by the parameter come to lesion
Good pernicious distinguish.
The present embodiment can further increase disease detection by more accurately photoacoustic imaging and effective parser
Accuracy rate, greatly reduce rate of missed diagnosis and misdiagnosis rate.
Further, for an alternative embodiment of the invention, the lower section of above-mentioned detection sink 1 is provided with control detection water
The motor jacking system 17 that slot 1 and its plano lens of inside are lifted, above-mentioned 17 signal of motor jacking system are connected with motor
Controller 18, above-mentioned plano lens lower section are additionally provided with camera unit 6, and above-mentioned camera unit 6 is for observing human breast and putting down thoroughly
Position relationship between mirror, and result controls the plano lens progress in detection sink 1 by motor jacking system 17 according to the observation
Lifting.
In the present embodiment, after people lies into optoacoustic breast imaging system, human breast is placed in detection sink, passes through
Camera unit is able to observe that the position relationship between human breast and plano lens, detects and is improved when detecting for convenience
Imaging efficiency and accuracy rate, it is therefore desirable to adjust human breast and plano lens to best squeezed state, therefore when camera shooting is single
When member observes that the squeezed state between human breast and plano lens is bad, by human body put position or by motor jacking system come
Plano lens in control detection sink is lifted.
Further, for an alternative embodiment of the invention, the lower section of above-mentioned detection sink 1 is additionally provided with motor rotation
System 16, above-mentioned motor rotary system 16 connect with 18 signal of electric machine controller and is located on motor jacking system 17, above-mentioned
Motor rotary system 16 controls optical fiber 3 and rotates the human breast position irradiated for adjusting optical fiber 3.
Further, for an alternative embodiment of the invention, above-mentioned motor jacking system 17 is lifted including first motor
System and the second motor jacking system, above-mentioned first motor jacking system are used to lift the plano lens in detection sink 1,
Adjust micro- squeezed state of plano lens and human breast;Above-mentioned second motor jacking system is used to lift detection sink 1,
Realize that annular array detector 5 is scanned the multiple tomographies of human breast.
Further, for an alternative embodiment of the invention, above-mentioned laser 2 includes laser host 21, laser head
22 and it is connect laser controller with 8 signal of industrial control host, coupler is provided in above-mentioned laser head 22, what laser head 22 was sent out
Pulse laser is coupled to by coupler in optical fiber 3.
Further, for an alternative embodiment of the invention, above-mentioned optical fiber 3 is fixed on by interface on laser head 22,
And the fiber outlet 31 on optical fiber 3 is provided with two or more, and more than two fiber outlets 31 are uniformly arranged;Above-mentioned optical fiber 3
Diffusion sheet 4 is additionally provided between plano lens.In the present embodiment, the side that is more concentrated relative to single-entry single-out laser energy
Optical fiber is set as single into having more by formula, can be as needed from physically arranging to optical fiber light-emitting window so that laser
Energy relatively disperses, and homogenizes processing again by diffusion sheet, on the one hand makes to be irradiated to the light energy distribution of human breast more
Add uniformly, improve image quality, on the other hand also contribute to the service life of diffusion sheet, as shown in figure 5, use one into
Five designs gone out make laser energy be square arrangement.
Further, it for an alternative embodiment of the invention, is also connected in turn on above-mentioned annular array detector 5 suitable
Orchestration 31, above-mentioned adapter 31 are connect with the input port of amplifier 20, and output port and the data of above-mentioned amplifier 20 acquire
7 connection of card.
In the present embodiment, since the signal that annular array detector 5 acquires is more faint, annular array detector is visited
The electric signal measured is connect after transferring after adapter with the input port of amplifier 20, and amplifier 20 is to faint electric signal
It is transmitted in data collecting card again after amplification and data is acquired, final collected data remain in industrial control host 8.
For the break-make of system switching, digital control port 19 is connect with 8 signal of industrial control host, digital control port 19 with
Relay 32 connects, and Switching Power Supply is connect by relay 32 with all direct current components in equipment, and industrial control host 8 is controlled by number
The level signal of device 19 processed received and sent works to control relay 32, and then to control Switching Power Supply and other direct current portions
The break-make relationship of part.Direct current component includes:All solenoid valves, all water pumps, amplifier, all fans, industrial control host.
The operation principle of the present invention:
1, the master switch for starting complete machine first restarts laser power supply key, and complete machine, which is in be powered, waits for working condition;Equipment is normal
30 minutes or so time need to be preheated;
2, start the control software above display, Initialize installation is carried out to system, initialization object includes:Laser, electricity
Machine controller, data collecting card etc.;
3, start the first solenoid valve complete machine and start water inlet and arrive water tank, have liquid level sensor inside water tank to control water surface elevation, when
Liquid level reaches sensing station, and system can be automatically closed the first solenoid valve and stop water inlet;At the same time start water pump automatically to inspection
Survey sink in carry out water storage, when detect need full water in sink after, water can be spilt into backflash, then return to water by return duct
In case, therefore detects the water in sink and be in full water state always;
4, after detecting cycle in formation between sink and water tank, the sensor for the pipe port that flows back can pass the signal along to industry control
Then host has warning light on display and lights, cycle in operator's system is prompted to be formed;
5, after interior cycle is formed, patient can be to carry out the standby inspection of pendulum level in prostrate to equipment, operator can pass through camera unit
It observes micro- squeezed state of the plano lens above human breast and diffusion sheet, and then patient is instructed to do pendulum position, if squeezing shape
State is undesirable, can adjust mammary gland squeezed state by motor jacking system, reach optimum efficiency;
6, after the completion of putting position, starting device acquisition system, the pulse laser that laser is launched is coupled to optical fiber by coupler
In, coupler is not shown inside laser head on figure;Pulsed laser energy in optical fiber passes through optic fibre guide to human breast
Lower section is simultaneously irradiated vertically upward, is irradiated in human breast after being scattered piece, plano lens;The light energy being irradiated in human breast
Ultrasonic signal is generated after being absorbed, ultrasonic signal is transferred to annular array detector as coal quality by water and is converted by its detection
At electric signal, which shares 96 array elements, the electric signal in each array element transfer after adapter after with amplification
Device input port connects, and amplifier is acquired data to being transmitted in capture card again after faint electric signal amplification, acquires
To data be stored in industrial personal computer;Expressed above is to carry out data acquisition to single 5cm diameters imaging region;
7, after carrying out signal acquisition to the human breast region in single location, it is fixed that system by motor rotary system rotate
Bit scan carries out laser irradiation and data acquisition to realize to the multiple positions of human breast;
8, due to wanting quantitative imaging, so system uses two kinds of optical maser wavelengths and carrys out excitation ultrasound signal, i.e.,:First wavelength is complete
After pairs of mammary gland rotation sweep gathered data, system will be to laser wavelength switching, according to the 6th step above after wavelength switching
Rapid and the 7th step acquires one group of data again;Signal on different location under two kinds of optical maser wavelengths has all acquired, and system passes through
Delay and sum algorithms carry out real time imagery to breast tissue inside, and will be on the different location under two kinds of optical maser wavelengths
Image shows face over the display, investigates patient's lesion for operating doctor;
9, after the acquisition for completing all data, the work that system can stop water pump stopping interior cycle, while starting solenoid valve
So that the water in sink is all flowed back into water tank, while starting water pump and solenoid valve and draining the water in water tank outward, waits for that water is arranged
After complete, system makes the second water pump, second solenoid valve and third solenoid valve be stopped by the sensor identification of drainpipe, restores
Normally.Somatic data acquisition complete so just completes;
10, in step 8, the image shows that delay and sum are calculated are mainly used for just being over the display doctor to patient
One preview of mammary gland inner case, if it find that having suspected abnormality on certain positions, then operation doctor can be on software
It selects these images and clicks determination, system can will have the data of suspected abnormality to be sent on an other independent PC automatically
Face, the PC our products dedicated independent software systems installed above, the independent software system can be to the data that send
Advanced treating is carried out, the hemoglobin concentration and oxygen saturation of the lesion are obtained;Stand alone software processing has human-computer interaction work(
Can and post processing of image function outside, the algorithm that calculates hemoglobin concentration and oxygen saturation be exactly using finite element method come
It calculates;
11, in order to meet the requirement of EMC and safety, the side of laser host is provided with 26 filter of surge suppressor, 25 He
Transformer module 28;It is additionally provided with power interface 27 on transformer module 28, is used for incoming transport power supply;It makes an uproar to reduce
Sound is provided with sound-proof material 24 on the side wall of machine;For damping, it is made of vibration-absorptive material 23 in the side wall of laser head.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification
Example " etc. refers to that specific features, structure or the feature of embodiment description is combined to be included in the description of the application generality extremely
In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one
For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations
Example realizes that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.