CN105997133A - Oral cavity computed radiography (CR) scanning system and oral cavity CR scanning method - Google Patents
Oral cavity computed radiography (CR) scanning system and oral cavity CR scanning method Download PDFInfo
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- CN105997133A CN105997133A CN201610290781.1A CN201610290781A CN105997133A CN 105997133 A CN105997133 A CN 105997133A CN 201610290781 A CN201610290781 A CN 201610290781A CN 105997133 A CN105997133 A CN 105997133A
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002601 radiography Methods 0.000 title 1
- 238000003384 imaging method Methods 0.000 claims abstract description 56
- 230000003760 hair shine Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
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- High Energy & Nuclear Physics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dentistry (AREA)
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- Radiology & Medical Imaging (AREA)
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Abstract
The invention provides an oral cavity CR scanning system and an oral cavity CR scanning method. The oral cavity CR scanning system includes: a laser emitter for emitting laser; a CR imaging board for recording acquired tissue information after an oral cavity is irradiated by X-ray, and generating corresponding fluorescence after laser irradiation; an MEMS micro mirror for reflecting the laser to allow the laser to irradiate the CR imaging board; and a receiver for receiving fluorescence emitted by the CR imaging board irradiated by the laser. The oral cavity CR scanning system and the oral cavity CR scanning method adopts the MEMS micro mirror to replace the conventional motor and pentaprism system, can simplify the structures of the conventional oral cavity CR scanning systems, can decrease the size of the CR scanning system, and can shorten the imaging time of the CR scanning system.
Description
Technical field
The present invention relates to a kind of oral cavity CR scanning system, belong to medical instruments field.
Background technology
The laser scanning module application of traditional oral cavity CR scanner is motor and pentaprism combination.In the production process of this combination, required precision is high, produces and assembly technology is complicated, and deviation probability is big, affects the concordance of product；Furthermore, in running, owing to the tolerance of motor controls with the tolerance difficulty of optics group, cause global tolerance to strengthen, affect the accurate information of picture；Finally, work efficiency is general, and owing to motor is circular motion, almost the rotation of 3/4 is invalid or useless, and the arrival of the next circumference such as next line need just can start, and need to calculate the time point of useful and useless process simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of oral cavity CR scanning system, to solve the problems referred to above.
Present invention employs following technical scheme:
The present invention provides a kind of oral cavity CR scanning system, it is characterised in that including: generating laser, sends laser；CR imaging plate, the organizational information that recording mouth obtains after X-ray irradiates, after laser irradiates, produce corresponding fluorescence；MEMS micromirror, reflects described laser, makes described laser be irradiated on CR imaging plate；And receptor, receive the fluorescence sent after CR imaging plate is irradiated with a laser.
Further, the oral cavity CR scanning system of the present invention, it is also possible to having a feature in that wherein, described MEMS micromirror has micromirror, framework and torsion beam, and described micromirror is arranged in described framework by torsion beam.
Further, the oral cavity CR scanning system of the present invention, it is also possible to have a feature in that described torsion beam has four, be distributed in four limits of described micromirror, described micromirror two axially on do.
Further, the oral cavity CR scanning system of the present invention, it is also possible to having a feature in that and also have: motor and conveyer belt, described CR imaging plate is arranged on described conveyer belt, with described conveyer belt, conveyer belt described in described driven by motor.
Further, the oral cavity CR scanning system of the present invention, can also have a feature in that wherein, described MEMS micromirror has micromirror, framework and torsion beam, described micromirror is arranged in described framework by torsion beam, described torsion beam has two, is distributed in the both sides of micro mirror so that micro mirror does flip-flop movement on the direction of axle.
The present invention also provides for a kind of oral cavity CR scan method, it is characterised in that comprise the steps:
Step one, laser instrument launches laser to MEMS micromirror,
Step 2, laser, after MEMS micromirror reflects, is irradiated on CR imaging plate, excites the latent image of record on CR imaging plate to produce fluorescence,
Step 3, receptor is received fluorescence and is formed the image of CR scanning by digital image,
Wherein, in step 2, the micromirror of MEMS micromirror carries out the flip-flop movement in orthogonal both direction, make laser scanning to CR imaging plate the 2 dimensional region of part to be imaged.
Further, the oral cavity CR scan method of the present invention, it is also possible to have a feature in that in step 2, MEMS micromirror controls the band of laser elder generation one pixel width of longitudinal scanning, then one pixel of transverse shifting scans a longitudinal band again, is performed repeatedly until whole 2 dimensional region scanned.
Further, the oral cavity CR scan method of the present invention, can also have a feature in that in step 2, MEMS micromirror controls the band of laser elder generation one pixel of transversal scanning, vertically move a pixel again, then one band of transversal scanning, repeats said process until by scanned for whole 2 dimensional region.
The present invention reoffers a kind of oral cavity CR scan method, it is characterised in that comprise the steps:
Step one, laser instrument launches laser to MEMS micromirror,
Step 2, laser, after micro mirror reflects, is irradiated on CR imaging plate, excites the latent image of record on CR imaging plate to produce fluorescence,
Step 3, receptor is received fluorescence and is formed the image of CR scanning by digital image,
Wherein, in step 2, MEMS micromirror carries out single shaft upset, and CR imaging plate is perpendicular to the motion in MEMS reverses direction on a moving belt, the two associated movement make laser scanning to CR imaging plate the 2 dimensional region of part to be imaged.
Further, the oral cavity CR scan method of the present invention, can also have a feature in that in step 2, MEMS micromirror controls one band of laser scanning, being then transported on band drives CR imaging plate to move up a pixel in the side being perpendicular to this band, then MEMS micromirror control laser scans a band on the direction parallel with previous band again, repeats this process until by complete for the whole two dimension sector scanning to be imaged on CR imaging plate.
The beneficial effect of the invention
The oral cavity CR scanning system of the present invention and oral cavity CR scan method, owing to using MEMS micromirror to replace traditional motor to add pentaprism system, simplify the structure of traditional oral CR scanning system, reduce the volume of CR scanning system, accelerate the imaging time of CR scanning.
Accompanying drawing explanation
Fig. 1 is the structural representation of the oral cavity CR scanning system in embodiment one.
Fig. 2 is the structural representation of MEMS micromirror.
Fig. 3 is the schematic diagram of MEMS micromirror sweep limits.
Fig. 4 is the structural representation of the oral cavity CR scanning system in embodiment two.
Detailed description of the invention
The detailed description of the invention of the present invention is described below in conjunction with accompanying drawing.
Embodiment one:
As it is shown in figure 1, oral cavity CR scanning system includes: generating laser 1；MEMS micromirror 2；CR imaging plate 4, also referred to as IP plate；And receptor 5.
Generating laser 1 sends laser 3, is irradiated IP plate.
The structure of MEMS micromirror is as in figure 2 it is shown, be provided with a piece of micromirror 22 in framework 21, the four sides of micromirror 22 has four torsion beam 23 micromirror 22 to be connected with framework 21, has electrode and substrate below micromirror 22.Electrode is arranged on substrate, is overturn by static-electronic driving micro mirror.As it is shown on figure 3, the maximum angle that MEMS micromirror control laser can scan in the case of single shaft overturns is the γ in figure.MEMS refers to MEMS.
CR imaging plate 4, is vertically arranged in the opposite of generating laser 1, and the two lays respectively at the both sides of laser 3 reflected light path.The organizational information that CR imaging plate 4 recording mouth obtains after X-ray irradiates.
Receptor 5, be arranged in parallel with CR imaging plate 4, after laser 3 is irradiated to the corresponding position of CR imaging plate 4, receives the exposure information on CR imaging plate 4 thus imaging.
In use, generating laser 1 launches laser 3 to MEMS micromirror, and laser 3, after micro mirror reflects, is irradiated on CR imaging plate 4, excites the latent image of record on CR imaging plate 4 to produce fluorescence, and receptor 5 is received fluorescence and formed the image of CR scanning by digital image.During scanning, the micromirror of MEMS micromirror 2 carries out the flip-flop movement on Shang Heβ direction, α direction as shown in Figure 2, makes laser 3 scan the 2 dimensional region of imaging moiety on CR imaging plate 4.MEMS micromirror 2 controls the band that the mode of laser 3 scanning can be first one pixel width of longitudinal scanning, and then one pixel of transverse shifting scans a longitudinal band again, is performed repeatedly until whole 2 dimensional region scanned.Can also be the band of first one pixel of transversal scanning, then vertically move a pixel, then one band of transversal scanning be until by scanned for whole 2 dimensional region.It is horizontal and vertical that herein horizontal and vertical refers on CR imaging plate 4.During whole scanning, CR imaging plate 4 is fixed.Here pixel refers to width rather than the pixel of computer generated image that single beam laser irradiated.
Embodiment two:
As shown in Figure 4,
Oral cavity CR scanning system includes: generating laser 1；MEMS micromirror 2；CR imaging plate 4；Receptor 5；Motor 6 and conveyer belt 7.
Generating laser 1 in present embodiment；CR imaging plate 4 is identical with embodiment one with receptor 5.Difference is: MEMS micromirror 2 can use the twin shaft upset micro mirror in embodiment one, it would however also be possible to employ single shaft upset micro mirror.Another difference is that also have motor 6 and conveyer belt 7 in present embodiment, motor 6 drives conveyer belt 7 to move.
CR imaging plate 4 arranges on conveyor belt 7, moves up and down under the drive of conveyer belt 7.Here up and down motion is the up and down motion in orientation shown in Fig. 4.
In use, generating laser 1 launches laser 3 to MEMS micromirror 2, and laser 3, after micro mirror reflects, is irradiated on CR imaging plate 4, excites the latent image of record on CR imaging plate 4 to produce fluorescence, and receptor 5 is received fluorescence and formed the image of CR scanning by digital image.
The scanning process of present embodiment is different from embodiment one, specifically: during scanning, the micromirror of MEMS micromirror 2 only carries out the flip-flop movement on single as shown in Figure 2 Shang Huoβ direction, α direction, then makes laser 3 scan the 2 dimensional region of imaging moiety on CR imaging plate 4 under the cooperation of conveyer belt.MEMS micromirror 2 controls one band of mode transversal scanning of laser scanning, being then transported on band drives CR imaging plate 4 to vertically move a pixel, then MEMS micromirror 2 controls laser one band of transversal scanning again, repeats this process until by complete for whole two-dimensional imaging sector scanning.Horizontal and vertical on CR imaging plate 4 in the horizontal and vertical position referred to shown in Fig. 4 herein.The perpendicular scope that can make laser scanning under both relative displacements in direction actually having only to the direction of motion so that CR imaging plate and laser scanning covers whole 2 dimensional region to be measured.
The imaging time of embodiment one and embodiment two is all in the 5-6 second.
Claims (10)
1. oral cavity CR scanning system, it is characterised in that including:
Generating laser, sends laser；
CR imaging plate, the organizational information that recording mouth obtains after X-ray irradiates, shines at laser
Corresponding fluorescence is produced after penetrating；
MEMS micromirror, reflects described laser, makes described laser be irradiated on CR imaging plate；
And receptor, receive the fluorescence sent after CR imaging plate is irradiated with a laser.
2. oral cavity as claimed in claim 1 CR scanning system, it is characterised in that:
Wherein, described MEMS micromirror has micromirror, framework and torsion beam, described micro mirror
Face is arranged in described framework by torsion beam.
3. oral cavity as claimed in claim 1 CR scanning system, it is characterised in that:
Described torsion beam has four, is distributed in four limits of described micromirror, and described micromirror exists
Two axially on do.
4. oral cavity as claimed in claim 1 CR scanning system, it is characterised in that also have:
Motor and conveyer belt, described CR imaging plate is arranged on described conveyer belt, with described biography
Band is sent to move, conveyer belt described in described driven by motor.
5. oral cavity as claimed in claim 4 CR scanning system, it is characterised in that:
Wherein, described MEMS micromirror has micromirror, framework and torsion beam, described micro mirror
Face is arranged in described framework by torsion beam, and described torsion beam has two, is distributed in micro mirror
Both sides so that micro mirror does flip-flop movement on the direction of axle.
6. an oral cavity CR scan method, it is characterised in that comprise the steps:
Step one, laser instrument launches laser to MEMS micromirror,
Step 2, laser, after MEMS micromirror reflects, is irradiated on CR imaging plate,
The latent image of record on CR imaging plate is excited to produce fluorescence,
Step 3, receptor is received fluorescence and is formed the image of CR scanning by digital image,
Wherein, in step 2, the micromirror of MEMS micromirror carries out orthogonal both direction
On flip-flop movement, make laser scanning to CR imaging plate the 2 dimensional region of part to be imaged.
7. oral cavity as claimed in claim 6 CR scan method, it is characterised in that:
In step 2, MEMS micromirror controls the band of laser elder generation one pixel width of longitudinal scanning,
Then one pixel of transverse shifting scans a longitudinal band again, is performed repeatedly until whole two dimension
Sector scanning is complete.
8. oral cavity as claimed in claim 6 CR scan method, it is characterised in that:
In step 2, MEMS micromirror controls the band of laser elder generation one pixel of transversal scanning, then
Vertically move a pixel, then one band of transversal scanning, repeat said process until by whole
Individual 2 dimensional region is scanned.
9. an oral cavity CR scan method, it is characterised in that comprise the steps:
Step one, laser instrument launches laser to MEMS micromirror,
Step 2, laser, after micro mirror reflects, is irradiated on CR imaging plate, excites CR
On imaging plate, the latent image of record produces fluorescence,
Step 3, receptor is received fluorescence and is formed the image of CR scanning by digital image,
Wherein, in step 2, MEMS micromirror carries out single shaft upset, and CR imaging plate is transmitting
Being perpendicular to the motion in MEMS reverses direction on band, the two associated movement makes laser scanning
The 2 dimensional region of part to be imaged on CR imaging plate.
10. oral cavity as claimed in claim 9 CR scan method, it is characterised in that:
In step 2, MEMS micromirror controls one band of laser scanning, is then transported on band band
Dynamic CR imaging plate moves up pixel, then a MEMS in the side being perpendicular to this band
Micro mirror controls laser and scans a band on the direction parallel with previous band again, repeats this mistake
Journey is until by complete for the whole two dimension sector scanning to be imaged on CR imaging plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290781.1A CN105997133A (en) | 2016-05-04 | 2016-05-04 | Oral cavity computed radiography (CR) scanning system and oral cavity CR scanning method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610290781.1A CN105997133A (en) | 2016-05-04 | 2016-05-04 | Oral cavity computed radiography (CR) scanning system and oral cavity CR scanning method |
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| CN105997133A true CN105997133A (en) | 2016-10-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100265382A1 (en) * | 2009-04-17 | 2010-10-21 | Si-Ware Systems | Ultra-wide angle mems scanner architecture |
| CN203153692U (en) * | 2013-01-05 | 2013-08-28 | 无锡微奥科技有限公司 | Optical image detecting device for mouth cavity |
| CN104111041A (en) * | 2014-07-17 | 2014-10-22 | 西安交通大学 | Device and method for rotation angle measurement of laser three-dimensional imaging MEMS two-dimensional scanning lens |
| CN205123882U (en) * | 2015-12-01 | 2016-03-30 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Image scanning system and device |
| CN205831816U (en) * | 2016-05-04 | 2016-12-28 | 上海汉缔医疗设备有限公司 | Oral cavity CR scanning means |
-
2016
- 2016-05-04 CN CN201610290781.1A patent/CN105997133A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100265382A1 (en) * | 2009-04-17 | 2010-10-21 | Si-Ware Systems | Ultra-wide angle mems scanner architecture |
| CN203153692U (en) * | 2013-01-05 | 2013-08-28 | 无锡微奥科技有限公司 | Optical image detecting device for mouth cavity |
| CN104111041A (en) * | 2014-07-17 | 2014-10-22 | 西安交通大学 | Device and method for rotation angle measurement of laser three-dimensional imaging MEMS two-dimensional scanning lens |
| CN205123882U (en) * | 2015-12-01 | 2016-03-30 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Image scanning system and device |
| CN205831816U (en) * | 2016-05-04 | 2016-12-28 | 上海汉缔医疗设备有限公司 | Oral cavity CR scanning means |
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Application publication date: 20161012 |