CN106031660A - Wireless orthodontic auxiliary treatment apparatus - Google Patents
Wireless orthodontic auxiliary treatment apparatus Download PDFInfo
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- CN106031660A CN106031660A CN201510114542.6A CN201510114542A CN106031660A CN 106031660 A CN106031660 A CN 106031660A CN 201510114542 A CN201510114542 A CN 201510114542A CN 106031660 A CN106031660 A CN 106031660A
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- China
- Prior art keywords
- wireless
- therapeutic instrument
- receiving unit
- auxiliary therapeutic
- correction auxiliary
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a wireless orthodontic auxiliary treatment apparatus, which comprises an inside-oral part, wherein the inside-oral part comprises a tooth base plate and a wireless receiving unit, and the wireless receiving unit is arranged on the tooth base plate; and an outside-oral part, wherein the outside-oral part comprises a wireless transmission unit and a control unit, no conducting wire connection exists between the wireless transmission unit and the wireless receiving unit, the wireless transmission unit comprises a first LC resonance circuit having a first resonance frequency, and the wireless receiving unit comprises a second LC resonance circuit having a second resonance frequency. According to the present invention, with the ultrasonic waves produced by the wireless orthodontic auxiliary treatment apparatus, the tooth movement is accelerated during the orthodontic process, the orthodontic time is reduced, the patient pain is reduced, the tooth root absorption index is reduced, and the repair of the absorbed tooth root can be promoted.
Description
Technical field
The present invention relates to orthodontic treatments field, a kind of wireless correction auxiliary therapeutic instrument.
Background technology
At present, ultrasound wave has been widely used for therapeutic treatment field.The mechanical effect of ultrasound wave, thermogenetic effect,
Physical and chemical effect to the absorption of osseous tissue, repair and reconstruct, there is positive effect.During orthodontic,
Ultrasound wave can accelerate tooth moving process, reduces the correction time；Ultrasound wave also has alleviates correction patient pain,
Promote the root resorption reparation that correction reinforcing causes, promote that alveolar bone tissue reconstruction is reinvented, assist to stablize correction
Effect.Currently reported ultrasound wave is used for orthodontic treatment, and achieves good result, without the worst
Reaction.But, it is currently used for the ultrasonic therapeutic apparatus of orthodontic treatment, bulky, structure operation is complicated,
Ul-trasonic irradiation point is positioned at oral cavity outer skin, positions inaccuracy, it is impossible to by patient's Self-operating every day；Power supply
Line is cared for, and uses inconvenience and has danger of hazardous electrical discharges.Cannot reflected ultrasound ripple for the advantage of orthodontic treatment.
Summary of the invention
In order to overcome defect of the prior art, the present invention provides a kind of wireless correction auxiliary therapeutic instrument, this treatment
The ul-trasonic irradiation site of instrument is positioned at oral cavity mucosa, and can need to adjust position and quantity at any time according to treatment；
Can be after doctor have designed and produced, patient plucks voluntarily and wears operation.The ultrasound wave that this therapeutic instrument produces, at tooth
Accelerate tooth during tooth correction to move, reduce the correction time, alleviate the pain of patient, reduce root resorption
Index, can promote to have absorbed the reparation of root of the tooth simultaneously.
The present invention realizes by the following technical solutions.
The present invention provides a kind of wireless correction auxiliary therapeutic instrument, and this is wireless, and correction auxiliary therapeutic instrument includes: in oral cavity
Part, it includes that tooth base and radio receiving unit, wherein said radio receiving unit are arranged on described tooth
On tooth base: and oral external divides, it includes wireless transmitting unit and control unit；Wherein, described nothing
Connecting without wire between line transmitter unit and described radio receiving unit, described wireless transmit unit includes first
LC resonant tank, a LC resonant tank has the first resonant frequency, and described radio receiving unit includes
Two LC resonant tanks, the 2nd LC resonant tank has the second resonant frequency.
Preferably, described tooth base is made up of denture base material, and tooth base arranges radio receiving unit
Installation site.Tooth base makes according to patient's Arch width, is attached at part dental bed mucosa, and reserves
Radio receiving unit installation site.
Preferably, described radio receiving unit is multiple and separate.
Preferably, described radio receiving unit is arranged on described tooth base in the way of fixing or be detachable
On.Therefore can embed on tooth base suitably installation site according to orthodontic treatment needs, vibration plane with
Patient's mucosal contact.
Preferably, the described 2nd LC resonant tank in described radio receiving unit by the second induction coil and surpasses
Acoustic wave transducer forms, and wherein, described second sensing packing ring and described ultrasonic oscillator are series connection, and described super
Acoustic wave transducer has capacitance characteristic, and is energy transducer, can convert electrical energy into dither, produce ultrasonic
Ripple.
Ultrasonic oscillator in this radio receiving unit has dual function, is i.e. that energy transducer has again electricity
Hold characteristic.A LC resonant tank is formed, when resonant frequency and the transmitting in this loop with the second induction coil
When the frequency of the 2nd LC resonant tank of circuit, i.e. wireless transmitting unit is consistent, resonance can be produced, therefore
Can receive the magnetic energy that wireless transmit unit sends in a certain distance, and be converted to electric energy and be applied directly to surpass
The two ends of acoustic wave transducer, it is provided that the required energy of vibration, and be energy transducer, therefore can convert electrical energy into height
Frequency vibration, produces ultrasound wave.
Preferably, described ultrasonic oscillator includes piezoelectric ceramics.
Preferably, described wireless transmitting unit include for by DC conversion be alternating-current pulse DC-AC conversion
Pulse generating circuit；And a described LC resonant tank, wherein said DC-AC changes pulse generating circuit
Connect with a described LC resonant tank.
Preferably, the described LC resonant tank in described wireless transmitting unit is by the first induction coil and electricity
Container forms, and wherein, described first induction coil and described capacitor are in parallel.
It is to say, it is alternating-current pulse that DC-AC changes pulse generating circuit by DC conversion, with a parallel connection
LC resonance circuit pulse is converted into magnetic energy for emission.
Preferably, described wireless transmitting unit is connected with described control unit.
Preferably, described control unit includes display module, key control module and wireless control module.
The wireless correction auxiliary therapeutic instrument provided according to the present invention uses cavity interior to divide and is grouped with oral external
Becoming, oral external is divided into power pack, is connected without wire between power pack owing to cavity interior divides, from
And avoid danger of hazardous electrical discharges；The ul-trasonic irradiation site of this therapeutic instrument is positioned at oral cavity mucosa, and can be according to treatment
Need to adjust position and quantity at any time；Can be after doctor have designed and produced, patient plucks voluntarily and wears operation.Should
The ultrasound wave that therapeutic instrument produces, accelerates tooth during orthodontic and moves, reduce the correction time, alleviate
The pain of patient, reduces root resorption index, can promote to have absorbed the reparation of root of the tooth, prophylaxis of teeth simultaneously
The recurrence corrected.
Accompanying drawing explanation
Fig. 1 is the therapeutic instrument structural representation according to the embodiment of the present invention.
Fig. 2 is the wireless power schematic diagram according to the embodiment of the present invention.
Fig. 3 is the use view according to the embodiment of the present invention.
Detailed description of the invention
With specific embodiment, offer of the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, according to the one wireless correction auxiliary therapeutic instrument of the present invention, (also referred to as wireless power surpasses
Sound wave correction auxiliary therapeutic instrument), therapeutic instrument includes that cavity interior divides and divides with oral external, cavity interior subpackage
Including tooth base 1 and radio receiving unit 11, wherein radio receiving unit 11 is arranged on tooth base 1.
Oral external divides and includes wireless transmitting unit 2 and control unit 21, wherein wireless transmitting unit and control unit
It is connected.
Oral external divides is powered by civil power 220V/110V, separates with cavity interior.
Tooth base 1 is made up of denture base material, and tooth base 1 arranges the installation position of radio receiving unit
Put.Tooth base 1 makes according to patient's Arch width, is attached at part dental bed mucosa, and reserves wireless connecing
Receive the installation site of unit 11.Described tooth base 1 can be plucked voluntarily by patient and wear, if desired can be at tooth base
The retention systems such as snap ring are installed additional, it is ensured that base difficult drop-off during therapeutic instrument work in torr 1.
Radio receiving unit 11 is multiple and separate, may be installed on tooth base 1 arrange wireless
Receive in the installation site of unit, and detachably.According to orthodontic treatment needs, embed appropriate site on base,
With patient's mucosal contact, < 1cm2, < 5mm can remove and install and diverse location on base thickness area.
As in figure 2 it is shown, wireless transmitting unit 2 is launched IC 1 (VOXxxMPxx system by an electric energy
Row wireless power special circuit, such as VOX05MP03) and one in parallel by transmitting coil L1 and capacitor C1
The compositions such as the LC resonant tank of composition, this LC resonant tank is connected with the outfan of IC1；Resistance R1 is
IC1 changes running voltage, and C2 is power filtering capacitor.IC1 obtain electric after, internal produce vibration, outfan is defeated
Going out switching pulse, switching frequency is identical with the resonant frequency in LC loop, and therefore, LC loop produces resonance, electricity
Magnetic energy for emission can be converted into by transmitting coil L1 to go out.
Radio receiving unit 11 is composed in series ultrasonic output circuit by receiving coil L2 and ultrasonic oscillator TX.
Oscillator TX has capacitance characteristic, forms a LC resonant tank with receiving coil L2, when shaking of this loop
Swing frequency consistent with the frequency of radiating circuit time, produce resonance, therefore can receive transmitting in a certain distance
The magnetic energy that circuit sends, and be converted to electric energy and be applied directly to the two ends of oscillator TX, it is provided that the required energy of vibration.
Secondly, oscillator TX is an energy transducer, converts electrical energy into dither, produces ultrasound wave.
Described wireless transmitting unit and radio receiving unit, in addition to DC-AC change-over circuit (i.e. IC1), all
It is designed as the running voltage less than 36V.
Described radio receiving unit internal circuit and external environs, can not corroded by wet environment by oral cavity, can
To be cleaned every day voluntarily by patient.
During operation, the electric energy of wireless transmitting unit 2 launch IC 1 electric after, internal produce vibration,
Outfan output switch pulse, when switching frequency is identical with the resonant frequency in LC loop, wireless transmitting unit 2
LC loop produce resonance, electric energy is converted into magnetic energy for emission by transmitting coil L1 and goes out.In magnetic field range,
Resonant frequency and the LC resonant tank of wireless transmitting unit humorous when the LC resonant tank of radio receiving unit
When vibration frequency is identical, producing resonance, magnetic energy is converted into electric energy, directly by the coil LC2 of radio receiving unit
It is added in the two ends of oscillator TX, it is provided that the required energy of vibration, oscillator TX converts electrical energy into dither, produces
Raw ultrasound wave.
Shown in Fig. 3, radio receiving unit 11 is fixed on site needed for orthodontic treatment, divides nothing by oral external
Line transmitter unit 2, near patient facial region, is switched on power by control unit 21 and sets the time, starting treatment
Instrument.
Cavity interior divides by radio receiving unit 11, and the vibration of ultrasonic oscillator passes to tooth support group
Knitting, in acceleration alveolar bone, the flowing of blood, stimulates more osteoclast or osteoblastic generation.In correction
The effect lower teeth on the pressure side osteoclast of the static force of arch wire increases, and tooth is towards predetermined direction translational speed
Accelerate；Pulling force side more osteoblast generates simultaneously, contributes to alleviating pain and promotes the reparation of root resorption.
Oral external point wireless transmitting unit 2 may be mounted in mobile base, the shape of wireless transmitting unit 2
For curved surfaces, it adapts with human face's profile, can be fabricated to not according to human face's form class
Same specification.Can also be fabricated to be similar to common medical mask mode, by patient's band voluntarily at face.
Control unit includes display module, key control module and wireless control module.In use, suffer from
Person can control the frequency of ultrasound wave with regulating key control module, and can be displayed on display module, and it can
Select to accelerate Orthodontic movement (20kHz-50kHz), or heal with alleviating pain and promotion root resorption
It is combined into purpose (1MHz-3MHz) frequency；In use, patient can connect nothing by wireless control module
Line terminal, such as mobile phone, patient can carry out controlled in wireless by application program of mobile phone.
Meanwhile, ultrasonic vibratory energy is delivered to oral cavity hard and soft tissue, by promoting that osseous tissue is reconstructed, promotes blood
Liquid circulates, and alleviates the effect such as inflammation and nervous symptoms, may be used for accelerating Orthodontic Tooth Movement, assisting correction
Keep, prevention just rescue after recurrence, alleviating pain, repair root resorption, promote Osseointegrated implants,
Alleviate arthritis, promote that various Maxillary region is soft, sclerous tissues's injury repairing.
The correction auxiliary therapeutic instrument provided by the present invention, therapeutic instrument uses cavity interior to divide between power pack
Connect without wire, it is to avoid the hidden danger that user gets an electric shock, its simple in construction, cavity interior divides and divides with oral external
Between without wire connect, it is easy to carry.And easy to operate, it is suitable for layman's operation.During use,
Can need to change at any time ultrasonic oscillator according to orthodontic treatment.In addition to accelerating the movement of tooth, moreover it is possible to alleviate
The pain that orthodontic treatment brings, promotes the reparation of root resorption.
Finally it should be noted that above example is only in order to describe technical scheme rather than to this technology
Method limits, and the present invention can extend to other amendment in application, change, applies and embodiment,
And it is taken as that all such amendments, change, apply, embodiment is all in the spirit or teaching of the present invention
In the range of.
Claims (10)
1. a wireless correction auxiliary therapeutic instrument, it is characterised in that this is wireless correction auxiliary therapeutic instrument bag
Include:
Cavity interior divides, and it includes tooth base (1) and radio receiving unit (11), wherein said
It is upper that radio receiving unit (11) is arranged on described tooth base (1): and
Oral external divides, and it includes wireless transmitting unit (2) and control unit (21)；
Wherein, without wire between described wireless transmitting unit (2) and described radio receiving unit (11)
Connecting, described wireless transmit unit (2) includes a LC resonant tank, a LC resonant tank
Having the first resonant frequency, described radio receiving unit (11) includes the 2nd LC resonant tank, and this is years old
Two LC resonant tanks have the second resonant frequency.
Wireless correction auxiliary therapeutic instrument the most according to claim 1, it is characterised in that described tooth
Tooth base (1) is made up of denture base material and elastomeric material.
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
It is multiple and separate for stating radio receiving unit (11).
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
State radio receiving unit (11) and be arranged on described tooth base (1) in the way of fixing or be detachable
On.
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
State the described 2nd LC resonant tank in radio receiving unit (11) by the second induction coil and ultrasound wave
Oscillator forms, and wherein, described second induction coil and described ultrasonic oscillator are series connection, and described ultrasonic
Ripple oscillator has capacitance characteristic, and is energy transducer, can convert electrical energy into dither, produce ultrasonic
Ripple.
Wireless correction auxiliary therapeutic instrument the most according to claim 5, it is characterised in that described super
Acoustic wave transducer is made up of piezoelectric ceramics.
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
State wireless transmitting unit (2) include for by DC conversion be alternating-current pulse DC-AC conversion pulse send out
Raw circuit；And a described LC resonant tank, wherein said DC-AC conversion pulse generating circuit with
A described LC resonant tank series connection.
Wireless correction auxiliary therapeutic instrument the most according to claim 8, it is characterised in that described nothing
A described LC resonant tank in line transmitter unit (2) is made up of the first induction coil and capacitor,
Wherein, described first induction coil and described capacitor are in parallel.
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
State wireless transmitting unit (2) to be connected with described control unit (21).
Wireless correction auxiliary therapeutic instrument the most according to claim 1 and 2, it is characterised in that institute
State control unit (21) and include display module, key control module and wireless control module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114542.6A CN106031660B (en) | 2015-03-16 | 2015-03-16 | A kind of wireless correction auxiliary therapeutic instrument |
| PCT/CN2016/076436 WO2016146062A1 (en) | 2015-03-16 | 2016-03-16 | Wireless orthodontic adjunctive treatment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114542.6A CN106031660B (en) | 2015-03-16 | 2015-03-16 | A kind of wireless correction auxiliary therapeutic instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106031660A true CN106031660A (en) | 2016-10-19 |
| CN106031660B CN106031660B (en) | 2018-06-29 |
Family
ID=56918349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114542.6A Active CN106031660B (en) | 2015-03-16 | 2015-03-16 | A kind of wireless correction auxiliary therapeutic instrument |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106031660B (en) |
| WO (1) | WO2016146062A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237486A (en) * | 2019-07-16 | 2021-01-19 | 上海诚恒医疗器械有限公司 | Split wireless detection mask and detection method thereof |
| CN113226215A (en) * | 2019-11-14 | 2021-08-06 | 韦尔斯医疗科技株式会社 | Mouthpiece type dental appliance using ultrasonic vibration |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781758B (en) * | 2020-12-30 | 2022-03-08 | 北京航空航天大学 | Measurement device and measurement method for correcting force |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145445A (en) * | 1995-09-01 | 1997-03-19 | 孙连贵 | Large power supersonic signal generator |
| US20090220921A1 (en) * | 2008-03-03 | 2009-09-03 | Sonitus Medical, Inc. | Systems and methods to provide communication and monitoring of user status |
| US20090286195A1 (en) * | 2006-05-02 | 2009-11-19 | Sears Robert S | Force-responsive orthodontic brackets and systems and methods which use the same |
| CN102596091A (en) * | 2009-11-09 | 2012-07-18 | 奥索阿塞尔技术股份有限公司 | Improved vibrating dental devices |
| US20130040264A1 (en) * | 2010-04-30 | 2013-02-14 | Smilesonica Inc. | Ultrasonic method and devices for dental treatment |
| CN203554040U (en) * | 2013-10-24 | 2014-04-16 | 广东顺德星原电子实业有限公司 | A miniature wireless charger |
| CN104107093A (en) * | 2014-07-29 | 2014-10-22 | 杭州新亚齿科材料有限公司 | Orthodontic bracket capable of speeding up movement of teeth |
| CN204839788U (en) * | 2015-03-16 | 2015-12-09 | 江久汇 | Wireless just abnormal adjunctie therapy appearance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3825734B2 (en) * | 2002-09-27 | 2006-09-27 | バイオマップ有限会社 | Ultrasonic therapy device |
-
2015
- 2015-03-16 CN CN201510114542.6A patent/CN106031660B/en active Active
-
2016
- 2016-03-16 WO PCT/CN2016/076436 patent/WO2016146062A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145445A (en) * | 1995-09-01 | 1997-03-19 | 孙连贵 | Large power supersonic signal generator |
| US20090286195A1 (en) * | 2006-05-02 | 2009-11-19 | Sears Robert S | Force-responsive orthodontic brackets and systems and methods which use the same |
| US20090220921A1 (en) * | 2008-03-03 | 2009-09-03 | Sonitus Medical, Inc. | Systems and methods to provide communication and monitoring of user status |
| CN102596091A (en) * | 2009-11-09 | 2012-07-18 | 奥索阿塞尔技术股份有限公司 | Improved vibrating dental devices |
| US20130040264A1 (en) * | 2010-04-30 | 2013-02-14 | Smilesonica Inc. | Ultrasonic method and devices for dental treatment |
| CN203554040U (en) * | 2013-10-24 | 2014-04-16 | 广东顺德星原电子实业有限公司 | A miniature wireless charger |
| CN104107093A (en) * | 2014-07-29 | 2014-10-22 | 杭州新亚齿科材料有限公司 | Orthodontic bracket capable of speeding up movement of teeth |
| CN204839788U (en) * | 2015-03-16 | 2015-12-09 | 江久汇 | Wireless just abnormal adjunctie therapy appearance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237486A (en) * | 2019-07-16 | 2021-01-19 | 上海诚恒医疗器械有限公司 | Split wireless detection mask and detection method thereof |
| WO2021007928A1 (en) * | 2019-07-16 | 2021-01-21 | 上海诚恒医疗器械有限公司 | Split wireless detection mask and detection method therefor |
| CN113226215A (en) * | 2019-11-14 | 2021-08-06 | 韦尔斯医疗科技株式会社 | Mouthpiece type dental appliance using ultrasonic vibration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106031660B (en) | 2018-06-29 |
| WO2016146062A1 (en) | 2016-09-22 |
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