CN108784859A - Orthodontic system with direct mount type rectifier - Google Patents

Abstract

The present invention provides a kind of orthodontic systems, including dental aligners (such as stealthy facing), (passive) RF tag and card reader；Dental aligners and RF tag can be placed on cavity interior, and card reader can be placed on oral external；RF tag further comprises IC chip, power supply circuit, contact making device and regulation resistance；IC chip, power supply circuit and regulation resistance are located in dental aligners；Contact making device is glued and placed on the face of dental aligners tongue side contact tooth, and in parallel with regulation resistance；Contact making device includes the first contact and the second contact for being not in contact with connection, and when all or part of the first contact and the second contact touches dental surface, the first and second contact can form electrical connection.

Description

Orthodontic system with direct mount type rectifier

Technical field

The present invention relates to orthodontic technical fields, and in particular to a kind of orthodontic system.

Background technology

Orthodontic devices are common Medical Devices in oral cavity, for carrying out correction to tooth.The existing overwhelming majorityAlthough multiple types are presented in orthodontic devices on structure and material, wearer cannot be detected and wear orthodontic devicesTime so that the ambiguity Chu between rectification effect and rational wear time.It is disclosed in CN107432773AThe method for detecting stealthy facing wear time using chip, it is specific (referring to the 41st section), the occlusion of tooth is detected using chipDynamics, oral temperature and tongue vibrations, and when three reaches predetermined condition, detector starts timing.But above-mentioned patentIn there is also following technical problems：

The first, under natural conditions, tooth does not have snap-action, and tongue is also acted without vibrations, therefore how to detect to closeOcclusion dynamics and the tongue vibrations of reason realize upper relative difficulty in technology, or even cannot achieve.

The second, with reference to the attached drawing 1-3 of CN107432773A it is found that chip evagination is in facing ontology, so that user wearsExperience will not be very good when wearing facing.

Although not illustrating that chip is active chip or passive chip in third, CN107432773A, from detectionContent and the not no explanation of external card reader, can be to use active chip in reasonable expectation CN107432773A.HaveInclude battery in source chip, and once quality problems occur for the battery in mouth, will directly threaten the health of wearer.

Invention content

To solve the above-mentioned problems, the present invention provides a kind of orthodontic system, feature is being, including tooth is rectifiedPositive device (such as stealthy facing), (passive) RF tag and card reader；Dental aligners and RF tag can be placed on oral cavityInside, card reader can be placed on oral external；The RF tag further comprises IC chip, power supply circuit, contact making deviceAnd regulation resistance；IC chip, power supply circuit and regulation resistance are located in dental aligners；Contact making device is glued and placed in orthodonticDevice (preferably tongue side) contacts on the face of tooth, and in parallel with regulation resistance；The contact making device includes being not in contact with connectionFirst contact and the second contact, when all or part of the first contact and the second contact touches dental surface, first and second touchesPoint can form electrical connection；The contact making device and regulation resistance are used to control power supply circuit in the reading for receiving card reader and sending outIt powers to IC chip when the number of winning the confidence, andWherein, R1 is the first and second contact of contact making device in contact toothResistance value when tooth surface, R2 are the resistance value that regulation resistance is set, and R is required for power supply circuit can power to IC chipMaximum resistance value, λ is predetermined coefficient, andThe each set time T0 of card reader (such as every 10 minutes,Can also the on-fixed time) read the information of the RF tag, record read status information Si；The status information can be used forJudge the wear time T of the dental aligners.

Description of the drawings

Fig. 1 is the synoptic diagram of tooth correction system provided by the invention；

Fig. 2 is the circuit theory schematic diagram of passive RF label provided by the invention；

Fig. 2A and 2B is the principle schematic of the power supply circuit of passive RF label provided by the invention；

Fig. 3 A- Fig. 3 D are the structural schematic diagrams of contact making device provided by the invention.

The attached drawing 8 that partial graphical in Fig. 1 refers in the attached drawing 2 and CN101167089A of CN107432773A is drawn, Fig. 2In partial graphical drawn with reference to the attached drawing 2 in CN102254209B；Fig. 2A and 2B is referred to and is quoted the RFID uses of HOLTEKIllustrate to draw.

Specific implementation mode

To keep the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present inventionAttached drawing in mode carries out clear, complete description to technical scheme of the present invention, it is clear that described embodiment is thisInvent a part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skillThe every other embodiment that personnel are obtained without making creative work belongs to the model that the present invention protectsIt encloses.

As shown in Figure 1, the present invention provides a kind of orthodontic system, including dental aligners 10,20 and of RF tagCard reader 30.Dental aligners and RF tag can be placed on cavity interior, and card reader can be placed on oral external.This hairIn bright, dental aligners can be common dental brace type rectifiers, can also be stealthy dental brace type rectifier；The type of rectifier,The various parameter such as material, model will not play restriction effect to protection scope of the present invention.RF tag is passive RF markThe meaning of label, passive RF label should be understood as that itself does not have supply unit in the present invention, but can receive outsideCard reader (such as card reader 30) provides the electromagnetic signal of specific frequency and the label apparatus that works.Obviously, it is any meet it is aforementionedThe passive RF label of definition both falls within protection scope of the present invention, includes but are not limited to passive RFID tags.Card reader 30For that can provide electric power to RF tag 20 and receive the device of 20 feedback signal of RF tag, those skilled in the art know,Any kind of card reader that can coordinate the aforementioned function of completion with RF tag 20 in the prior art may be used in card reader 30Or similar device.

Although RF tag shown in FIG. 1 is located at the middle part of rectifier, skilled artisans appreciate that radio frequency markLabel can be located at any position of dental aligners.

As shown in Fig. 2, RF tag 20 further comprises IC chip 23, power supply circuit 21, contact making device 25 and adjusts electricityResistance 27.In the present invention, power supply circuit 21 is used to obtain the electromagnetic signal of the offer of card reader 30, to power to IC chip 23.ThisIn invention, the selection of IC chip 23 and power supply circuit 21 is not obviously limited, may be used any kind of in the prior artIC chip in RF tag and power supply circuit.

According to the present invention, IC chip 23, power supply circuit 21 and regulation resistance 27 are located inside dental aligners 10；Contact fills25 are set to be glued and placed on the face of dental aligner contacts tooth.Obviously, contact making device can be placed in dental aligner contacts toothLip side, but the preferred tongue side for being placed in contact tooth as shown in Figure 1 is not easy to be observed, more when so that wearingIt is beautiful.

Further, contact making device 25 of the invention is in parallel with regulation resistance 27；Contact making device 25 includes the company of being not in contact withThe first contact and the second contact connect, is indicated in the circuit theory schematic diagram of Fig. 2 with two " stains ".When the first contact andWhen all or part of two contacts touches dental surface, the first and second contact can form electrical connection.Contact making device 25 and adjustingResistance 27 is for controlling power supply circuit 21 when receiving reading signal (being a kind of electromagnetic signal) that card reader 30 is sent out to ICChip 23 is powered.That is, when user (such as need carry out orthodontic patient) wear dental aligners 10 when, the first contact andSecond contact dental surface, so that RF tag 20 is in the reading signal for receiving card reader 30, it can be to ICChip power supply, so that RF tag is in running order；When user removes dental aligners 10, the first and second contact is notDental surface is contacted, open circuit is formed, so that RF tag 20 is in the reading signal for receiving card reader 30, no normal direction ICChip power supply.

Those skilled in the art know that the electricity of resonance in parallel or series as shown in Figure 2 A and 2B may be used in power supply circuit 21Road can also use other power supply circuits in the prior art.Those skilled in the art also know, contact switch and regulation resistancePosition can be between power supply circuit and IC chip as shown in Figure 2.

Specifically, in the RF tag of the present invention, there are following relationships：

Wherein, R1 is resistance of the first and second contact of contact making device when contacting dental surfaceValue, R2 are the resistance value that regulation resistance is set, and R is that power supply circuit can be to the required maximum resistance value of IC chip power supply, λFor predetermined coefficient, and

According to one embodiment of present invention, before R1 generally manufactures dental aligners, by needing to wear toothTwo points of the dental surface of user's (or needing to carry out the patient of orthodontic) of rectifier measure acquisition.It is exemplary, dentist, nurse or other staff, even user oneself can be by by electric resistance measuring apparatus (such as ten thousandUse the ohms range of ammeter) measurement stylus contact dental surface using the reading by electric resistance measuring apparatus as R1.Obviously, abilityField technique personnel know repeatedly to measure the resistance value of user's dental surface point-to-point transmission, and by common mathematical method to surveyingThe resistance value (such as mean value or median) of amount is handled to obtain R1.

According to one embodiment of present invention, when the value of R2 is manufacture dental aligners, according to the R1 values for measuring acquisitionSelection determines.R2 > R form open circuit so that the first and second contact does not contact dental surface；MeanwhileFromAnd make the first and second contact dental surface, forming circuit.

According to another embodiment of the invention, R1 is samples the fixed value obtained to more user's sample,To so that the resistance value R2 of regulation resistance 27 is fixed, convenient for manufacture.

The each set time T0 of card reader reads the information of RF tag, record read status information Si；Status information canWear time T for judging dental aligners.The value of T0 can be the set time, such as per 10-30 minutes, preferably 10 pointsClock, can also the on-fixed time.Those skilled in the art can may be used in the prior art a variety of according to the information of recordConventional means obtain wear time.But according to a preferred embodiment of the invention, select the value of T0 for the set time when, in timingStart in a period of time terminated to timing, wear timeWherein, in the information success for reading RF tagWhen, the value of Si is 1, and when reading radio frequency label information is unsuccessful, the value of Si is 0.

According to one embodiment of present invention, card reader is self-contained unit.According to one embodiment of present invention, card reader30 can be installed in the additional shell of mobile terminal (such as mobile phone, bracelet either children's electronic watch etc.) or Card ReaderDevice is integrated in inside mobile terminal, so that card reader 30 is convenient for carrying.

Further, as shown in figure 3, the first and second contact is including a plurality of parallel connection at comb teeth-shaped (Fig. 3 A and 3B) or sawThe conductor wire of the parallel conductive electric wire of dentation (Fig. 3 C), the conductor wire of the first contact and the second contact is staggered.Preferably, adjacentThe first contact conductive line and the second contact conductive line distance be less than or equal to 0.5 millimeter.

As shown in Figure 3D, in another embodiment of the present invention, the first and second contact includes mutually nested spiral-shaped conductiveLine.Preferably, the distance between spiral-shaped conductive is less than or equal to 0.5 millimeter.Although spiral shape shown in Fig. 3 D is rectangularSpiral shape, but the spiral shape of the present invention also includes circular spiral shape.

In embodiment shown in Fig. 3, the first and second contact is interspersed at planar on the whole, so that first and secondContact is more easily accessible to tooth in user's wear corrective device, but also the saliva of cavity interior is easier to touch first and secondConductive relation is established between point.

Further, RF tag includes at least the first RF tag and the second RF tag (preferred first and second radio frequencyLabel is respectively placed in the both ends of dental aligners), when card reader reads the information success of first or second RF tag, Si'sValue is 1, is that the value of Si is 0 when the information of reading card device the first and second RF tags of reading is unsuccessful.This design,When making a failure in two RF tags, remain able to obtain effective wear time T.

The above is only the better embodiment of the present invention, is not intended to limit the present invention in any form, everyAccording to the technical essence of the invention to any simple modification, equivalent variations made by embodiment of above, each fall within the present invention'sWithin protection domain.

Claims (9)

1. a kind of orthodontic system, feature are being, including dental aligners (such as stealthy facing), (passive) radio frequency markLabel and card reader；Dental aligners and RF tag can be placed on cavity interior, and card reader can be placed on oral external；

The RF tag further comprises IC chip, power supply circuit, contact making device and regulation resistance；IC chip, power supply circuitIt is located in dental aligners with regulation resistance；Contact making device is glued and placed in the face of dental aligners (preferably tongue side) contact toothOn, and it is in parallel with regulation resistance；The contact making device includes the first contact and the second contact for being not in contact with connection, when firstWhen all or part of contact and the second contact touches dental surface, the first and second contact can form electrical connection；

The contact making device and regulation resistance are for controlling power supply circuit when receiving the reading signal that card reader is sent out to ICChip power supply, andWherein, R1 is electricity of the first and second contact of contact making device when contacting dental surfaceResistance value, R2 are the resistance value that regulation resistance is set, and R is that power supply circuit can be to the required maximum resistance of IC chip power supplyValue, λ is predetermined coefficient, and

The each set time T0 of card reader (such as every 10 minutes, can also on-fixed time) reads the RF tagInformation, record read status information Si；The status information can be used for judging the wear time T of the dental aligners.

2. orthodontic system according to claim 1, wherein the card reader is installed in mobile terminal (such as handMachine, bracelet either children's electronic watch etc.) additional shell in or the card reader be integrated in inside mobile terminal, orCard reader described in person is self-contained unit.

3. orthodontic system according to claim 1, wherein the wear timeDescribed in readingWhen the information success of RF tag, the value of the Si is 1, when the reading radio frequency label information is unsuccessful, the Si'sValue is 0.

4. orthodontic system according to claim 1, wherein first and second contact include it is a plurality of it is in parallel atComb teeth-shaped or jagged parallel conductive electric wire, the conductor wire staggered row of the conductor wire of first contact and second contactRow.

5. orthodontic system according to claim 4, wherein the first adjacent contact conductive line and the second contact conductiveThe distance of line is less than or equal to 0.5 millimeter.

6. orthodontic system according to claim 1, wherein first and second contact includes mutually nested spiral shellRevolve shape conductor wire.

7. orthodontic system according to claim 6, wherein the distance between described spiral-shaped conductive is less than or waitsIn 0.5 millimeter.

8. orthodontic system according to claim 3, wherein the RF tag include at least the first RF tag andSecond RF tag, when the card reader reads the information success of first or second RF tag, the value of the Si is 1,It is that the value of the Si is 0 when the information of the reading card device the first and second RF tags of reading is unsuccessful.

9. orthodontic system according to claim 3, wherein first and second RF tag is respectively placed in the toothThe both ends of tooth rectifier.