CN109893101A - A kind of caries diagnosis imaging device and hand-held caries diagnosis imager - Google Patents
A kind of caries diagnosis imaging device and hand-held caries diagnosis imager Download PDFInfo
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- CN109893101A CN109893101A CN201910343776.6A CN201910343776A CN109893101A CN 109893101 A CN109893101 A CN 109893101A CN 201910343776 A CN201910343776 A CN 201910343776A CN 109893101 A CN109893101 A CN 109893101A
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- caries diagnosis
- imaging device
- infrared light
- caries
- drive module
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Abstract
The invention discloses a kind of caries diagnosis imaging device and hand-held caries diagnosis imagers, including being equipped with the embedded type control module of on piece micro-control unit and host computer image processing unit, laser drive module, near-infrared semiconductor laser, output optical fibre, returning to optical fiber, filming apparatus, on piece micro-control unit receives control command, controls laser drive module；The optical power of the near infrared light of laser drive module regulating near-infrared semiconductor laser output, will be near infrared light to tested tooth by output optical fibre；The transmission image that filming apparatus is tested tooth by returning to collecting fiber, is sent to host computer image processing unit for transmission image；Host computer image processing unit handles transmission image, and detecting tested tooth, there are highlight lesion region when lesion region.Above-mentioned technical proposal disclosed in the present application can reduce the ionising radiation during caries diagnosis, and the reliability and accuracy of caries diagnosis can be improved.
Description
Technical field
The present invention relates to mouth disease diagnostic techniques field, more specifically to a kind of caries diagnosis imaging device and
Hand-held caries diagnosis imager.
Background technique
Currently, counted although the prevention of saprodontia, diagnosing and treating technology have greatly improved according to World Health Organization,
Saprodontia is still disease incidence highest in all mouth diseases, and is a kind of mouth disease for influencing all age levels.By clinical number
According to it is found that saprodontia in the case where not obtaining timely, correct disposition, it will lead to permanent tooth loss, or even can make
At loss of tooth, therefore, it is necessary to be diagnosed to saprodontia, in order to be treated in time to saprodontia.
Existing caries diagnosis method substantially passes through x-ray bombardment tooth, and tooth is made to generate the different fluorescence of intensity, and benefit
Carious region is screened with the strong correlation that the power of fluorescence is lost with enamel mineral substance.But due to X-ray meeting
Ionising radiation is generated, and this kind of radiation can bring bigger harm to human body, therefore, the method is not suitable for infants and children
Equal special populations, and due to the excessive overlapping of enamel, so that the Reliability comparotive that X-ray is detected is low, to can then reduce
The accuracy of diagnostic result.
In conclusion how to reduce the ionising radiation during caries diagnosis, and improve the reliability and standard of caries diagnosis
True property is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of caries diagnosis imaging devices and hand-held caries diagnosis to be imaged
Instrument to reduce the ionising radiation during caries diagnosis, and improves the reliability and accuracy of caries diagnosis.
To achieve the goals above, the invention provides the following technical scheme:
A kind of caries diagnosis imaging device, including embedded type control module, laser drive module, near-infrared semiconductor swash
Light device, returns to optical fiber, filming apparatus at output optical fibre, and the embedded type control module includes on piece micro-control unit and host computer
Image processing unit, in which:
The on piece micro-control unit receives control command, and controls the laser drive module；
The laser drive module adjusts the optical power for the near infrared light that the near-infrared semiconductor laser is exported,
And it will be on the near infrared light to tested tooth by the output optical fibre；
The filming apparatus is by being tested the transmission image of tooth described in the return collecting fiber, and by the transmission plot
As being sent to the host computer image processing unit；
The host computer image processing unit handles the transmission image, and is detecting that the tested tooth deposits
Lesion region is highlighted in lesion region.
It preferably, further include TEC drive module and heat radiation cooling device, the heat radiation cooling device includes TEC and heat pipe,
Wherein:
The TEC drive module is on said sheets under the control of micro-control unit, using the heat radiation cooling device to institute
It states near-infrared semiconductor laser and carries out temperature control, so that the near infrared light that the near-infrared semiconductor laser is exported
Temperature maintains within a preset range.
Preferably, further includes:
Near infrared light for exporting to the output optical fibre carries out shaping, so that the near infrared light uniform irradiation is to institute
State the even optical lens mould group on tested tooth.
Preferably, the filming apparatus is miniature CCD camera.
Preferably, the resolution ratio of the miniature CCD camera is greater than 640 × 480, and camera perspective is greater than 100 °.
Preferably, the wavelength for the near infrared light that the near-infrared semiconductor laser is exported is 770~790nm.
Preferably, the wavelength for the near infrared light that the near-infrared semiconductor laser is exported is 780nm.
Preferably, the output optical fibre and the optical fiber that returns are the medical optical fiber that core diameter is 400 μm.
A kind of hand-held caries diagnosis imager exists including casing, the control button being arranged in outside the casing, setting
The caries diagnosis imaging device as described in any one of the above embodiments of the casing internal.
Preferably, the control button is membrane keyboard.
The present invention provides a kind of caries diagnosis imaging device and hand-held caries diagnosis imagers, wherein the device packet
It includes embedded type control module, laser drive module, near-infrared semiconductor laser, output optical fibre, return to optical fiber, shooting dress
It sets, embedded type control module includes on piece micro-control unit and host computer image processing unit, in which: on piece micro-control unit connects
Control command is received, and laser drive module is controlled；Laser drive module regulating near-infrared semiconductor laser institute
The optical power of the near infrared light of output, and will be near infrared light to tested tooth by output optical fibre；Filming apparatus passes through
The transmission image that collecting fiber is tested tooth is returned, and transmission image is sent to host computer image processing unit；Host computer figure
As processing unit handles transmission image, and there are highlight lesion region when lesion region detecting tested tooth
Come.
Above-mentioned technical proposal disclosed in the present application, near-infrared semiconductor laser drive on piece micro-control unit and laser
Near infrared light is exported under the action of dynamic model block, which is irradiated on tested tooth through output optical fibre and forms transmission plot
Picture, filming apparatus will return to optical fiber transmission image collected and be sent to host computer image processing unit, by host computer image
Reason unit handles it, and is detecting tested tooth there are lesion region is highlighted when lesion region, to realize
Diagnosis to saprodontia.Since near infrared light will not generate ionising radiation in use, then it can reduce and give human body institute
Bring harm, and since near infrared light has relatively good penetration power, then make finally through host computer image procossing list
Member treated image has a preferable examination degree, and can image relatively accurately highlights lesion region by the way that treated
Out, to improve the reliability and accuracy of caries diagnosis.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of caries diagnosis imaging device provided in an embodiment of the present invention；
Fig. 2 is transmission image of the saprodontia in a length of 780nm of near-infrared light waves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, it illustrates a kind of structural schematic diagrams of caries diagnosis imaging device provided in an embodiment of the present invention, can
To include embedded type control module 1, laser drive module 2, near-infrared semiconductor laser 3, output optical fibre 4, return to optical fiber
5, filming apparatus 6, embedded type control module 1 may include on piece micro-control unit 100 and host computer image processing unit 110,
Wherein:
On piece micro-control unit 100 receives control command, and controls laser drive module 2；
The optical power for the near infrared light that 2 regulating near-infrared semiconductor laser 3 of laser drive module is exported, and pass through
Output optical fibre 4 will be near infrared light to tested tooth 7；
Filming apparatus 6 acquires the transmission image of tested tooth 7 by returning to optical fiber 5, and transmission image is sent to upper
Machine image processing unit 110；
Host computer image processing unit 110 handles transmission image, and there are diseased regions detecting tested tooth 7
Lesion region is highlighted when domain.
Caries diagnosis imaging device may include being provided on piece micro-control unit 100 and host computer image processing unit
110 embedded type control module 1, the laser drive module 2 being connected with embedded type control module 1 and laser drive module 2
Connected near-infrared semiconductor laser 3, the output optical fibre 4 being connected with near-infrared semiconductor laser 3, return optical fiber 5, with return
The filming apparatus 6 that back into optical fibers 5 and embedded type control module 1 are connected.Wherein, laser drive module 2 specifically can be using precision
Voltage controlled current source, to make the Output optical power of near-infrared semiconductor laser 3 accurately adjustable, consequently facilitating improving subsequent acquired
Transmission image quality.In addition, caries diagnosis imaging device can also include the power supply mould being connected with embedded type control module 1
Block 8 can be specifically powered, so that caries diagnosis imaging device can work using the alternating current of 220V.
On piece micro-control unit 100 when needing to carry out checkout and diagnosis to tested tooth 7, in embedded type control module 1
Control command transmitted by extraneous (such as users such as doctors) is received, and laser drive module 2 is controlled.Laser driving
The light function of the near infrared light that regulating near-infrared semiconductor laser 3 is exported under the control of on piece micro-control unit 100 of module 2
Rate.
Transmission of the near infrared light that near-infrared semiconductor laser 3 is exported through output optical fibre 4 and be irradiated to tested tooth 7
On, and the inside into tested tooth 7 is transmitted, form the transmission image of tested tooth 7.Filming apparatus 6 is acquired by returning to optical fiber 5
The transmission image of tested tooth 7, and by collected transmission image be sent to the host computer image in embedded type control module 1
Processing unit 110.Host computer image processing unit 110 is analyzed and processed received transmission image, is passing through processing
Transmission image afterwards detects that tested tooth 7 there are lesion region is highlighted when lesion region, examines saprodontia to realize
It is disconnected, and it is convenient for doctor and patient that can timely, intuitively obtain the correlation circumstance of tested tooth 7, and be convenient for the ditch between doctors and patients
It is logical.Wherein, host computer image processing unit 110 can specifically detect tested tooth 7 with the presence or absence of diseased region in the following way
Domain: comparing detection for the transmission image of the transmission image of tested tooth 7 and healthy tooth, to judge whether be tested tooth 7
There are lesion regions.It is of course also possible to test and analyze etc. by other means.
In addition, host computer image processing unit 110 also has the function of image data download and transmission, in order to picture number
According to output and storage.
In caries diagnosis imaging device provided herein, since near infrared light will not generate electricity in use
From radiation, therefore, the safety in such a way that near infrared light is imaged is relatively high, the special populations such as pregnant woman, children
To carry out caries diagnosis in this way.In addition, the penetrating power due near infrared light is stronger, then make the dental caries
Tooth diagnostic imaging device can be used for examining for plane saprodontia, occlusal caries, interproximal caries, incipient dental caries, secondary caries and crack etc.
It is disconnected, and due to may finally by the way that host computer image processing unit 110 will treated that transmission image shows,
The full breadth of saprodontia disease damage then can be directly observed, in order to doctor patient communication, improves the accuracy and specificity of diagnosis, thus
Reduce the rate of missed diagnosis and misdiagnosis rate of early stage caries.
Above-mentioned technical proposal disclosed in the present application, near-infrared semiconductor laser drive on piece micro-control unit and laser
Near infrared light is exported under the action of dynamic model block, which is irradiated on tested tooth through output optical fibre and forms transmission plot
Picture, filming apparatus will return to optical fiber transmission image collected and be sent to host computer image processing unit, by host computer image
Reason unit handles it, and is detecting tested tooth there are lesion region is highlighted when lesion region, to realize
Diagnosis to saprodontia.Since near infrared light will not generate ionising radiation in use, then it can reduce and give human body institute
Bring harm, and since near infrared light has relatively good penetration power, then make finally through host computer image procossing list
Member treated image has a preferable examination degree, and can image relatively accurately highlights lesion region by the way that treated
Out, to improve the reliability and accuracy of caries diagnosis.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention can also include that TEC drive module 9 and heat dissipation are cold
But device 10, heat radiation cooling device 10 may include TEC101 and heat pipe 102, in which:
TEC drive module 9 is under the control of on piece micro-control unit 100, using heat radiation cooling device 10 to near-infrared half
Conductor laser 3 carry out temperature control so that the temperature for the near infrared light that near-infrared semiconductor laser 3 is exported maintain it is pre-
If in range.
In view of near-infrared semiconductor laser 3 can generate certain heat at work, and in view of near-infrared is partly led
The emission wavelength of body laser 3 can change with the variation of temperature, therefore, in order to near-infrared semiconductor laser 3
It radiates, and in order to make the near infrared light that near-infrared semiconductor laser 3 can be relatively stable with output wavelength, then it can be in dental caries
TEC (Thermo Electric Cooler, semiconductor cooler) drive module 9 is set in tooth diagnostic imaging device and heat dissipation is cold
But device 10, wherein TEC drive module 9 is connected with embedded type control module 1 and heat radiation cooling device 10, heat radiation cooling device
10 include TEC101 and heat pipe 102.
When near-infrared semiconductor laser 3 is in running order, micro-control unit 100 on 9 receiving sheet of TEC drive module
Control, and at the control adjust heat radiation cooling device 10 in TEC101 and heat pipe 102 power, with utilize cooling
TEC101 and heat pipe 102 in device 10 carry out temperature control to near-infrared semiconductor laser 3, so that near-infrared semiconductor
The temperature for the near infrared light that laser 3 is exported can maintain preset range (previously according to set by experiment and analysis etc.
Temperature range) in, that is, allow the temperature of near infrared light to remain stable, so that the wavelength of near infrared light can remain steady
It is fixed, to obtain the higher transmission image of mass ratio, and then improve the reliability and accuracy of caries diagnosis.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention can also include:
Near infrared light for exporting to output optical fibre 4 carries out shaping, so that near infrared light uniform irradiation is to tested tooth 7
On even optical lens mould group 11.
Even optical lens mould group 11 can also be set in caries diagnosis imaging device, be specifically located at output optical fibre 4 it
It is connected afterwards and with output optical fibre 4 and return optical fiber 5.
Even optical lens mould group 11 can carry out shaping to the near infrared light that output optical fibre 4 is exported, so that near infrared light can
To be evenly radiated on tested tooth 7, and it is equably transmitted to the inside of tested tooth 7, to improve finally obtained
The quality of transmission image, and then improve the reliability and accuracy of caries diagnosis.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention, filming apparatus 6 can be miniature CCD camera.
Filming apparatus 6 included in caries diagnosis imaging device is specifically as follows miniature CCD (Charge Coupled
Device, charge-coupled device) camera, optical image can be converted into digital signal, and its volume is smaller, thus
The volume that can reduce caries diagnosis imaging device becomes it lightly, easy to use.
It is after the near-infrared exported by even optical lens mould group 11 to output optical fibre 4 carries out shaping, then adjustable
The angle of miniature CCD camera, so that the tested blur-free imaging in miniature CCD camera focal plane of tooth 7, finally makes host computer figure
As processing unit 110 can export the clear image of high image quality, while detecting tested tooth 7, there are can be with when lesion region
Lesion region is clearly highlighted.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention, the resolution ratio of miniature CCD camera is greater than 640 ×
480, camera perspective is greater than 100 °.
Caries diagnosis imaging device can be greater than 640 × 480 using resolution ratio, and camera perspective is greater than 100 ° of miniature CCD
Camera is as filming apparatus 6, in order to preferably acquisition of transmission image, consequently facilitating the clear image of output high image quality, in turn
Improve the accuracy and reliability of caries diagnosis.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention, near-infrared semiconductor laser 3 are exported close
The wavelength of infrared light can be 770~790nm.
The wavelength for the near infrared light that near-infrared semiconductor laser 3 is exported be specifically as follows 770~790nm (including end
Point value), in order to preferably transmit inside tested tooth 7, so that host computer image processing unit 110 can export matter
Measure image relatively high, that clarity is relatively good.
Referring to fig. 2, the transmission image it illustrates saprodontia in a length of 780nm of near-infrared light waves.The embodiment of the present invention mentions
A kind of caries diagnosis imaging device supplied, the wavelength for the near infrared light that near-infrared semiconductor laser 3 is exported can be
780nm。
In order to obtain better image, then the wavelength for the near infrared light that near-infrared semiconductor laser 3 is exported specifically may be used
780nm is thought, and the maximum optical power that the near-infrared semiconductor laser 3 is exported can be 15mW, to obtain high definition figure
Picture.
As can be seen from Figure 2, healthy tooth tissue (left side dental imaging shown in Fig. 2) is translucent, and there are demineralizations
Dental tissue (right side dental imaging shown in Fig. 2) is shown as dark, and contrast apparent in this way makes the dental caries of Its pulp
Bad situation is clear and legible, i.e., may finally be by lesion region and normal area after handling by host computer image processing unit 110
Domain distinguishes display, in order to find lesion region in time, and is conducive to doctor patient communication.
A kind of caries diagnosis imaging device provided in an embodiment of the present invention, output optical fibre 4 and return optical fiber 5 all can be cores
The medical optical fiber that diameter is 400 μm.
Output optical fibre 4 used in caries diagnosis imaging device and return optical fiber 5 all can be core diameter be 400 μm of doctor
With optical fiber, and optical fiber interface can use SMA905 interface, preferably to transmit near infrared light.
The embodiment of the invention also provides a kind of hand-held caries diagnosis imagers, may include casing, are arranged in casing
The control button of outside, any of the above-described kind of caries diagnosis imaging device that casing internal is set.
The machine that hand-held caries diagnosis imager is included can be arranged in any of the above-described kind of caries diagnosis imaging device
The inside of shell, and control button is set in the external of casing.
Wherein, which can be connected with embedded type control module included in caries diagnosis imaging device, phase
Ying Di then can send control command to caries diagnosis imaging device by the operation to control button, be examined with carrying out saprodontia
It is disconnected.It should be noted that the control button can include but is not limited to switch key, optical power tune up/optical power turns key down.
By the way that any of the above-described kind of caries diagnosis imaging device to be integrated in hand-held caries diagnosis imager, can reduce
The volume of hand-held caries diagnosis imager, so that its low-profile, and it is easy to use.
A kind of hand-held caries diagnosis imager provided in an embodiment of the present invention, control button can be membrane keyboard.
Set control button is specifically as follows membrane keyboard on the casing of hand-held caries diagnosis imager, and having makes
The features such as fineness long, easy to clean, succinct with the service life.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic.?
Do not have in the case where more limiting, the element limited by sentence "including a ...", it is not excluded that including the element
There is also other identical elements in process, method, article or equipment.In addition, above-mentioned technology provided in an embodiment of the present invention
In scheme with correspond to the consistent part of technical solution realization principle and unspecified in the prior art, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (10)
1. a kind of caries diagnosis imaging device, which is characterized in that including embedded type control module, laser drive module, close red
Outer semiconductor laser, returns to optical fiber, filming apparatus at output optical fibre, and the embedded type control module includes on piece microcontroller list
Member and host computer image processing unit, in which:
The on piece micro-control unit receives control command, and controls the laser drive module；
The laser drive module adjusts the optical power for the near infrared light that the near-infrared semiconductor laser is exported, and leads to
Crossing the output optical fibre will be on the near infrared light to tested tooth；
The filming apparatus is sent out the transmission image by being tested the transmission image of tooth described in the return collecting fiber
It send to the host computer image processing unit；
The host computer image processing unit handles the transmission image, and is detecting that it is sick that the tested tooth exists
Lesion region is highlighted when becoming region.
2. caries diagnosis imaging device according to claim 1, which is characterized in that further include TEC drive module and heat dissipation
Cooling device, the heat radiation cooling device include TEC and heat pipe, in which:
The TEC drive module is on said sheets under the control of micro-control unit, using the heat radiation cooling device to described close
Infrared semiconductor laser carries out temperature control, so that the temperature for the near infrared light that the near-infrared semiconductor laser is exported
It maintains within a preset range.
3. caries diagnosis imaging device according to claim 2, which is characterized in that further include:
Near infrared light for exporting to the output optical fibre carries out shaping, so that the near infrared light uniform irradiation is to the quilt
Survey the even optical lens mould group on tooth.
4. caries diagnosis imaging device according to claim 3, which is characterized in that the filming apparatus is miniature CCD phase
Machine.
5. caries diagnosis imaging device according to claim 4, which is characterized in that the resolution ratio of the miniature CCD camera
Greater than 640 × 480, camera perspective is greater than 100 °.
6. caries diagnosis imaging device according to any one of claims 1 to 5, which is characterized in that the near-infrared is partly led
The wavelength for the near infrared light that body laser is exported is 770~790nm.
7. caries diagnosis imaging device according to claim 6, which is characterized in that the near-infrared semiconductor laser institute
The wavelength of the near infrared light of output is 780nm.
8. caries diagnosis imaging device according to claim 6, which is characterized in that the output optical fibre and the return light
Fibre is the medical optical fiber that core diameter is 400 μm.
9. a kind of hand-held caries diagnosis imager, which is characterized in that including casing, the control being arranged in outside the casing by
Button, the caries diagnosis imaging device as claimed in any one of claims 1 to 8 that the casing internal is set.
10. hand-held caries diagnosis imager according to claim 9, which is characterized in that the control button is to touch
Key.
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| CN201910343776.6A CN109893101A (en) | 2019-04-26 | 2019-04-26 | A kind of caries diagnosis imaging device and hand-held caries diagnosis imager |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113425440A (en) * | 2021-06-24 | 2021-09-24 | 广州华视光学科技有限公司 | System and method for detecting caries and position thereof based on artificial intelligence |
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Application publication date: 20190618 |