CN106955087B - A kind of adjustment viewing angle and positioning brackets bonding position glasses - Google Patents
A kind of adjustment viewing angle and positioning brackets bonding position glasses Download PDFInfo
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- CN106955087B CN106955087B CN201710194595.2A CN201710194595A CN106955087B CN 106955087 B CN106955087 B CN 106955087B CN 201710194595 A CN201710194595 A CN 201710194595A CN 106955087 B CN106955087 B CN 106955087B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
- A61B1/247—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
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Abstract
The present invention provides a kind of adjustment viewing angle and positioning brackets bonding position glasses, mainly it is made of left images collector, control system, eyeglasses retainer, image display window, image viewing window, control system is electrically connected with eyeglasses retainer, and other end image viewing window is connected with image display window；Using image acquisition device and image display window mouth structure, bracket station diagram picture is acquired by image acquisition device, then carry out a series of processing by control circuit and transmit a signal to phonation unit, it is connected with sound-producing device, when dentist's viewing angle be more than certain angle when generating means send alarm.And control circuit sends picture signal to display module and shows that contour and bracket site, dentist pass through wearing spectacles, you can observation bracket position is simultaneously bonded.With the bracket position that solves to detect by an unaided eye in existing straight wire appliance formed with the experience of doctor, so can not be precisely controlled, the quality of orthodontic had so not only been affected, but also has extended treatment time.
Description
Technical field
The present invention provides a kind of glasses for adjusting viewing angle and positioning brackets bonding position, faces particularly suitable for mouth cavity orthodontic
The bracket of straight wire appliance, belongs to mouth cavity orthodontic instrument technical field in bed.
Background technology
In straight wire appliance, the correct bonding of bracket is crucial step.In the past, the step for is all with the naked eye
Observation is bonded in the clinical crown center of tooth to complete, but all there is such a problems in the application：Because bond position
It is experience formation with doctor to put, so can not be precisely controlled, so not only affected the quality of orthodontic, but also has prolonged
Treatment time is grown.Patent of the present invention solves the problems, such as this.
The content of the invention
The present invention provides a kind of glasses for adjusting viewing angle and positioning brackets bonding position, for positioning corrective operations person
Viewing angle and positioning brackets bonding position, to solve to detect by an unaided eye in existing straight wire appliance, bracket position is
It is formed with the experience of doctor, so can not be precisely controlled, the quality of orthodontic had so not only been affected, but also had been extended
Treatment time.
The present invention discloses a kind of glasses for adjusting viewing angle and positioning brackets bonding position, is mainly gathered by left image
Device, control system, eyeglasses retainer, image display window, image viewing window and right image collector are formed, control system
Including control circuit, sound-producing device, supply unit, battery capacity indication lamp and minitype USB interface, its one end and eyeglasses retainer electricity
Connection, other end image viewing window are connected with image display window；
Control circuit in control system is by including photoelectric conversion unit, image data processing unit, phonation unit, battery
Electricity monitoring module, display module composition：Left image collector, right figure collector respectively with photoelectric conversion unit and phonation unit
It is electrically connected with display module；Photoelectric conversion unit is electrically connected respectively with left image collector, right image collector, is used for a left side
Image acquisition device, the optical signal of right image collector are converted to digital signal and are transferred to image data processing unit；Picture number
By Digital Signal Processing and phonation unit and display module are transmitted to according to processing unit；Phonation unit is electrically connected with sound-producing device,
When glasses be more than certain angle when generating means send alarm；Display module is electrically connected with image display window, shows tooth wheel
Wide and bracket site.
The control system is equipped with battery capacity indication lamp, and battery capacity indication lamp is electrically connected with battery capacity monitoring module, when
Indicator light flickers during low battery；Supply unit is electrically connected for rechargeable battery with battery capacity monitoring module and minitype USB interface
It connects, minitype USB interface can be used to charge for rechargeable battery.
A kind of operating method for adjusting viewing angle and positioning brackets bonding position of the present invention, including following step
Suddenly：
1）Determine target tooth：
A points and b points where left image collector, right image collector gather the figure of respective visual range facing respectively
Picture is transferred to control system, and by the common pickup area of 2 points of a, b of control system image data processing unit identification；It chooses
The c points at ab two-point defined lines midpoint, excessively c points do the straight line c lines perpendicular to ab two-point defined lines, the d points that c lines intersect with facing；Left figure
As photoelectric signal transformation for digital signal and is transferred to image data processing unit by collector, right image collector；Picture number
According to processing unit by Digital Signal Processing, calculate d point positions and be transmitted to display module, the window of display module control at this time
Mouth simultaneously shows d points on window：D points are located at adjoining position, then observer adjusts glasses, until d points fall on facing, d points
The tooth at place is then considered as target tooth；
2）Adjust viewing angle：
After target tooth determines, the angle of c lines and facing is known as angle β, if angle β for 90 ° ± 5 ° be considered as it is acceptable
Bonding angle；In operator's operating process, if observation position or angle, beyond acceptable bonding angle, sound-producing device will be sent out
Go out buzzing alarming；Operator adjusts position, until angle β is in tolerance interval；
3）Positioning brackets bonding position：
Determine target tooth, after adjusting viewing angle, left image collector, right image collector are respectively by the optical telecommunications of acquisition
It number is converted to digital signal and is transferred to image data processing unit；Image data processing unit calculates Digital Signal Processing
Go out facing position and be transmitted to display module, at this time display module control window and the display target tooth on display window
Profile, while image data processing unit calculates the peak G points of facing central point O and gum edge, with straight where 2 points
Line is considered as clinical crown long axis l, is ginseng with clinical crown central point O distances 2.5mm and perpendicular to two straight lines of clinical crown long axis l
Line is examined, the reference line that nearly tooth closes end is reference line l1 , the reference line at nearly gum end is reference line l2；Image data processing unit will
Data above is transmitted to display module, and clinical crown long axis l, reference line l are shown on window1, reference line l2 ；With convenient to operate
Person's autonomous positioning bracket position.
The positive effect of the present invention is：Using image acquisition device and image display window mouth structure, pass through image acquisition device
Bracket station diagram picture is acquired, then carry out a series of processing by control circuit and transmits a signal to sounding
Unit is connected with sound-producing device, when dentist's viewing angle be more than certain angle when generating means send alarm.And control electricity
Road sends picture signal to display module and shows contour and bracket site, and dentist is by wearing spectacles, i.e.,
Observable bracket position is simultaneously bonded.To solve the bracket position that detects by an unaided eye in existing straight wire appliance
It is to be formed with the experience of doctor, so can not be precisely controlled, the quality of orthodontic had so not only been affected, but also had been extended
Treatment time.
Description of the drawings
Fig. 1 is structure front schematic view of the present invention；
Fig. 2 is texture edge schematic diagram of the present invention；
Fig. 3 is light path schematic diagram of the present invention；
Fig. 4 shows image schematic diagram for window of the present invention；
In figure, 1, right image collector；2nd, control system；3rd, eyeglasses retainer；4th, image display window；5th, image is seen
Examine window；6th, left image collector；21st, control circuit；22nd, sound-producing device；23rd, supply unit；25th, battery capacity indication lamp； 24、
Minitype USB interface.
Specific embodiment
Patent of the present invention is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this hair is better described
Bright embodiment, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual object；To this field skill
For art personnel, some known features and its explanation may be omitted and will be understood by attached drawing.
Embodiment 1
As shown in Figure 1 and 2, a kind of glasses for positioning corrective operations person's viewing angle and positioning brackets bonding position, including the right side
Image acquisition device 1, control system 2, eyeglasses retainer 3, image display window 4, the left figure of image viewing window 5 and opposite side
As collector 6, one end of control system 2 is connected with eyeglasses retainer 3, other end image viewing window 5 and image display window
Mouth 4 connects.
As shown in Fig. 2, control system 2 includes control circuit 21, sound-producing device 22, supply unit 23, battery capacity indication lamp 25
With minitype USB interface 24.
Control circuit 21 includes photoelectric conversion unit 211, image data processing unit 212, phonation unit 213, battery electricity
Measure monitoring module 214, display module 215.Image data processing unit 212 respectively with photoelectric conversion unit 211 and phonation unit
213 and display module 215 connect.Photoelectric conversion unit 211 is connected respectively with right image collector 1 and left image collector 6,
For the optical signal of right image collector 1 and left image collector 6 to be converted to digital signal and is transferred to image real time transfer
Unit 212；Image data processing unit 212 is by Digital Signal Processing and is transmitted to phonation unit 213 and display module 215.Hair
Sound unit 213 is connected with sound-producing device 22, when glasses be more than certain angle when generating means send alarm.Display module 215 with
Image display window 4 connects, and shows contour and bracket site.Control system 2 is equipped with battery capacity indication lamp 25, electricity
Amount instruction lamp 25 is connected with battery capacity monitoring module 214, and when low battery, indicator light flickers.Supply unit 23 is chargeable
Battery is connected with battery capacity monitoring module 214 and minitype USB interface 24, and it is rechargeable battery that minitype USB interface 24, which can be used,
It charges.
As shown in Fig. 3 ~ 4, specific operation process of the present invention：Step 1：Determine target tooth.Right image collector 1（Below will
Point abbreviation a where 1）With left image collector 6（Below by the point abbreviation b where 6）Respective visual range facing is gathered respectively
Image（A bit of denture approximately regards straight line as）Control system 2 is transferred to, and by 2 image data processing unit of control system
Identify the common pickup area of a, b, such as facing 1, facing 2, facing 3.It is c points to choose line segment ab midpoints, cross c points do perpendicular to
The straight line of line segment ab is known as c lines, and the point that c lines intersect with facing is d points.Right image collector 1, left image gather 6 by optical telecommunications
It number is converted to digital signal and is transferred to image data processing unit 212；Image data processing unit 212 will be at digital signal
Reason, calculates d point positions and is transmitted to display module 215, and display module 215 controls window 4 and shown on window 4 at this time
D points are shown, if adjoining position of the d points between two facings, observer adjusts glasses, until d points fall on facing, at this time
Tooth where d points is then considered as target tooth.
Step 2：Adjust viewing angle.The angle of c lines and facing is known as angle β, is calculated by data handling system 212
Go out the angle of angle β, if angle β is considered as acceptable bonding angle for 90 ° ± 5 °.In operator's operating process, if angle β surpasses
Go out acceptable bonding angle, data handling system 212 will send the data to phonation unit 213, and phonation unit 213 controls
Sound-producing device 22 will send buzzing alarming.If sending alarm, operator adjusts position, until angle β is in tolerance interval,
Alarm song stops.
Step 3：Positioning brackets bonding position.Right image collector 1, left image gather 6 by the photoelectric signal transformation of acquisition
For digital signal and it is transferred to image data processing unit 212；Image data processing unit 212 calculates Digital Signal Processing
Go out facing position and be transmitted to display module 215, display module 215 controls window 4 and shown on display window 4 at this time
The profile of target tooth, is shown in Fig. 4（Dotted portion is the schematic diagram of root of the tooth, only explains effect, does not show on the screen）, scheme simultaneously
As data processing unit 212 calculates the peak G of facing central point i.e. clinical crown central point O and gum edge, with where 2 points
Straight line be considered as clinical crown long axis l, with clinical crown central point O distances 2.5mm and perpendicular to two straight lines of clinical crown long axis l
For reference line, the reference line that nearly tooth closes end is reference line l1 , the reference line at nearly gum end is reference line l2.Image real time transfer list
Data above is transmitted to display module 215 by member 212, and the profile of target clinical crown of tooth, clinical crown length are shown on window 4
Axis l, reference line l1, reference line l2 .So as to operator's autonomous positioning bracket position.
In use, bracket station diagram picture is acquired by using image acquisition device, then by control
Circuit processed carries out a series of processing and transmits a signal to phonation unit, is connected with sound-producing device, when dentist's viewing angle
Generating means sends alarm during more than certain angle.And control circuit sends picture signal to display module and shows tooth
Profile and clinical crown long axis and reference line, dentist pass through wearing spectacles, you can observation bracket position is simultaneously bonded.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to this
The restriction of the embodiment of invention.It for those of ordinary skill in the art, on the basis of the above description can be with
It makes other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all in this hair
All any modification, equivalent and improvement made within bright spirit and principle etc., should be included in the claims in the present invention
Within protection domain.
Claims (3)
1. a kind of glasses for adjusting viewing angle and positioning brackets bonding position, mainly by left image collector, control system, eye
Mirror fixing device, image display window, image viewing window and right image collector are formed, control system include control circuit,
Sound-producing device, supply unit, battery capacity indication lamp and minitype USB interface, its one end are electrically connected with eyeglasses retainer, the other end with
Image viewing window is connected with image display window；
Control circuit in control system is monitored by photoelectric conversion unit, image data processing unit, phonation unit, battery capacity
Module, display module composition：Left image collector, right figure collector respectively with photoelectric conversion unit and phonation unit and display mould
Block is electrically connected；Photoelectric conversion unit is electrically connected respectively with left image collector, right image collector, is used to gather left image
Device, the optical signal of right image collector are converted to digital signal and are transferred to image data processing unit；Image real time transfer list
Member is by Digital Signal Processing and is transmitted to phonation unit and display module；Phonation unit is electrically connected with sound-producing device, when glasses surpass
Sound-producing device sends alarm when crossing certain angle；Display module is electrically connected with image display window, shows contour and support
Slot bond sites.
2. a kind of glasses for adjusting viewing angle and positioning brackets bonding position according to claim 1, it is characterised in that：
The control system is equipped with battery capacity indication lamp, and battery capacity indication lamp is electrically connected with battery capacity monitoring module, works as electricity
Indicator light flickers when too low；Supply unit is electrically connected for rechargeable battery with battery capacity monitoring module and minitype USB interface, can
It is charged using minitype USB interface for rechargeable battery.
3. a kind of method for adjusting viewing angle and positioning brackets bonding position, comprises the following steps：
1）Determine target tooth：
A points and b points where left image collector, right image collector gather the image of respective visual range facing respectively, pass
It is defeated to arrive control system, and by the common pickup area of 2 points of a, b of control system image data processing unit identification；Choose 2 points of ab
The c points at straight line midpoint, excessively c points do the straight line c lines perpendicular to ab two-point defined lines, the d points that c lines intersect with facing；Left image gathers
Photoelectric signal transformation for digital signal and is transferred to image data processing unit by device, right image collector；Image real time transfer
Digital Signal Processing is calculated d point positions and is transmitted to display module by unit, at this time display module control window and
D points are shown on window：D points are located at adjoining position, then observer adjusts glasses, until d points fall on facing, where d points
Tooth is then considered as target tooth；
2）Adjust viewing angle：
After target tooth determines, the angle of c lines and facing is known as angle β, if angle β is considered as acceptable bonding for 90 ° ± 5 °
Angle；In operator's operating process, if observation position or angle, beyond acceptable bonding angle, sound-producing device will send bee
Ring alarm；Operator adjusts position, until angle β is in tolerance interval；
3）Positioning brackets bonding position：
Determine target tooth, after adjusting viewing angle, left image collector, right image collector respectively turn the photosignal of acquisition
It is changed to digital signal and is transferred to image data processing unit；Image data processing unit teethes Digital Signal Processing, calculating
Face position is simultaneously transmitted to display module, at this time display module control window and on display window display target tooth wheel
Exterior feature, while image data processing unit calculates the peak G points of facing central point O and gum edge, with the straight line where 2 points
It is considered as clinical crown long axis l, is reference with clinical crown central point O distances 2.5mm and perpendicular to two straight lines of clinical crown long axis l
Line, the reference line that nearly tooth closes end are reference line l1 , the reference line at nearly gum end is reference line l2；Image data processing unit will be with
Upper data transmission shows clinical crown long axis l, reference line l to display module on window1, reference line l2 ；So as to operator
Autonomous positioning bracket position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194595.2A CN106955087B (en) | 2017-03-29 | 2017-03-29 | A kind of adjustment viewing angle and positioning brackets bonding position glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194595.2A CN106955087B (en) | 2017-03-29 | 2017-03-29 | A kind of adjustment viewing angle and positioning brackets bonding position glasses |
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| Publication Number | Publication Date |
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| CN106955087A CN106955087A (en) | 2017-07-18 |
| CN106955087B true CN106955087B (en) | 2018-05-25 |
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| CN201710194595.2A Expired - Fee Related CN106955087B (en) | 2017-03-29 | 2017-03-29 | A kind of adjustment viewing angle and positioning brackets bonding position glasses |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052951B (en) * | 2021-06-01 | 2024-03-08 | 上海交通大学医学院附属第九人民医院 | Bracket accurate positioning method, device, system, terminal and medium based on image recognition |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280474A (en) * | 1997-10-30 | 2001-01-17 | 奥色坦公司 | Computerized orthodontic diagnosis and appliance dispenser |
| CN1663540A (en) * | 2004-03-04 | 2005-09-07 | 矫正技术公司 | Systems and methods for fabricating a dental template |
| CN101862175A (en) * | 2010-06-01 | 2010-10-20 | 苏州生物医学工程技术研究所 | Digitalized oral cavity intelligent auxiliary diagnosis and treatment system and diagnosis and treatment method thereof |
| CN101969877A (en) * | 2007-12-21 | 2011-02-09 | 3M创新有限公司 | Orthodontic treatment monitoring based on reduced images |
| CN102908203A (en) * | 2012-11-11 | 2013-02-06 | 安徽工业大学 | Measuring device for internal tooth displacement |
| CN103347436A (en) * | 2011-01-11 | 2013-10-09 | 爱德芳世株式会社 | Oral imaging and display system |
| CN105030364A (en) * | 2015-07-19 | 2015-11-11 | 南方医科大学 | Method for measuring transverse and longitudinal inclinations of teeth |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69327661T2 (en) * | 1992-11-09 | 2000-07-20 | Ormco Corp | METHOD AND DEVICE FOR MANUFACTURING INDIVIDUALLY ADAPTED ORTHODONTIC DEVICES |
| JPH08229057A (en) * | 1995-02-28 | 1996-09-10 | Yoshida Dental Mfg Co Ltd | Color tone correcting mechanism for dental observation device |
| US20110008747A1 (en) * | 2008-02-22 | 2011-01-13 | Glaxosmithkline Llc | Method and Apparatus for Electronically Modeling and Manufacturing Dentures |
-
2017
- 2017-03-29 CN CN201710194595.2A patent/CN106955087B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280474A (en) * | 1997-10-30 | 2001-01-17 | 奥色坦公司 | Computerized orthodontic diagnosis and appliance dispenser |
| CN1663540A (en) * | 2004-03-04 | 2005-09-07 | 矫正技术公司 | Systems and methods for fabricating a dental template |
| CN101969877A (en) * | 2007-12-21 | 2011-02-09 | 3M创新有限公司 | Orthodontic treatment monitoring based on reduced images |
| CN101862175A (en) * | 2010-06-01 | 2010-10-20 | 苏州生物医学工程技术研究所 | Digitalized oral cavity intelligent auxiliary diagnosis and treatment system and diagnosis and treatment method thereof |
| CN103347436A (en) * | 2011-01-11 | 2013-10-09 | 爱德芳世株式会社 | Oral imaging and display system |
| CN102908203A (en) * | 2012-11-11 | 2013-02-06 | 安徽工业大学 | Measuring device for internal tooth displacement |
| CN105030364A (en) * | 2015-07-19 | 2015-11-11 | 南方医科大学 | Method for measuring transverse and longitudinal inclinations of teeth |
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| CN106955087A (en) | 2017-07-18 |
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