WO2017156476A1 - Appareil dentaire - Google Patents

Appareil dentaire Download PDF

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Publication number
WO2017156476A1
WO2017156476A1 PCT/US2017/021940 US2017021940W WO2017156476A1 WO 2017156476 A1 WO2017156476 A1 WO 2017156476A1 US 2017021940 W US2017021940 W US 2017021940W WO 2017156476 A1 WO2017156476 A1 WO 2017156476A1
Authority
WO
WIPO (PCT)
Prior art keywords
abrasive
inlet
outlet
recited
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2017/021940
Other languages
English (en)
Inventor
J. Tim Rainey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2017156476A1 publication Critical patent/WO2017156476A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth

Definitions

  • the subject matter herein generally relates to applicators used in dental care, and more specifically to applicators used in combination with water and air.
  • FIG. 1 is an isometric view of an example of the teeth cleaning apparatus and a standard dental chair
  • FIGS. 2A and 2B are an isometric views of an example applicator according to the disclosure herein;
  • FIG. 3 is a cross-sectional view of the applicator of FIG. 2B taken along the lengthwise axis A-A according to the disclosure herein;
  • FIG. 4 is an enlarged view of circle III of FIG. 3 of the applicator according to the disclosure herein;
  • FIG. 5 is an isometric view of an example pressurization unit according to the disclosure herein;
  • FIG. 6 is a bottom view of the pressurization unit of FIG. 5, according to the disclosure herein;
  • FIG. 7 is a cross-sectional view across line rV-IV of the pressurization unit of
  • FIG. 6, according to the disclosure herein.
  • FIG. 8 is a top view of an example pressurization unit according to the disclosure herein.
  • the term “coupled” is defined as connected, whether directly or indirectly through intervening components, and is not necessarily limited to physical connections.
  • the term “substantially” is defined to be essentially conforming to the particular dimension, shape, or other word that substantially modifies, such that the component need not be exact. For example, substantially rectangular means that the object in question resembles a rectangle, but can have one or more deviations from a true rectangle.
  • an applicator to clean teeth can have a body, the body having an inlet end, an outlet end, and a lengthwise axis running there between.
  • the body can house an abrasive inlet tube and a water inlet tube, and further include a water outlet positioned at the outlet end and in fluidic communication with the water inlet tube via a water tube.
  • An abrasive outlet can be positioned at the outlet end and placed in fluidic communication with the abrasive inlet tube via an abrasive tube.
  • a central axis of the abrasive outlet (also referred to herein as "an abrasive outlet axis") and a central axis of the water outlet (also referred to herein as "a water outlet axis”) form an angle.
  • the angle can be between about eighteen (18) to about thirty (30) degrees. In at least one example, the angle can be between about nineteen (19) degrees to about twenty-six (26) degrees. In at least one example, the angle can be between about twenty (20) degrees to about twenty-four (24) degrees. In at least one example, the angle can be about twenty-two (22) degrees.
  • the pressurization unit can be configured to expel a water stream from the water outlet at a pressure sufficient to ground any electricity created by application of an abrasive.
  • the central axis of the abrasive outlet and the central axis of the water outlet can form an angle configured to pull the water stream parallel to the abrasive stream.
  • the pressure at which the abrasive stream is expelled from the abrasive outlet can be at least 55 pounds per square inch (psi), or about 379.2 kilopascals (kPa).
  • the pressure at which the abrasive stream exits the abrasive outlet can be supersonic.
  • the flow of the abrasive is at supersonic speed.
  • the abrasive inlet tube and the water inlet tube can protrude, at least in part, from the inlet end of the applicator and can be communicatively coupled with an abrasive outlet and a water outlet protruding, at least in part, from the outlet end of the applicator.
  • the inlet end of the applicator can be configured to communicate with a pressurization unit.
  • the pressurization unit can have a main water line and a main air line, wherein a diameter across a cross-section of the main water line is smaller than a diameter across a cross-section of the main air line.
  • the pressurization unit can further include a funnel, the main air line can enter the funnel at a first end and exit through an abrasive discharge nozzle.
  • a reservoir can be configured to communicate with the funnel of the pressurization unit via a venturi point.
  • a main water line can pass through the housing of the pressurization unit.
  • the first end of a water hose can be in fluidic communication with the water inlet tube and a second end of the water hose can be in fluidic communication with the main water line.
  • the first end of an abrasive hose can be in fluidic communication with the abrasive inlet tube and a second end of the abrasive hose can be in fluidic communication with the abrasive discharge nozzle.
  • the reservoir can include a removable cap and an opening, and the reservoir can be configured to hold an abrasive material.
  • the opening can be configured to create a pressure difference in the reservoir such that when the pressurization unit is in use the abrasive material is expelled through the opening of the reservoir and out the abrasive discharge nozzle.
  • the abrasive material can be aluminum oxide.
  • FIG. 1 illustrates an applicator 100 for cleaning teeth
  • the applicator 100 is shown connected to a pressurization unit 300, as it would appear in a standard dental office.
  • a pressurization unit 300 Referring to FIG. 2 A, an applicator 100 to be used to clean teeth is illustrated.
  • the applicator 100 can be used in combination with the pressurization unit 300 described below with reference to FIGS. 5-8.
  • the applicator 100 can contain an abrasive inlet tube 10 and a water inlet tube 20 protruding, at least in part, from the inlet end 70 of the applicator 100, a water tube 1 10 and an abrasive tube 120 (as shown in FIG.
  • the applicator 100 can have an abrasive passage and a water passage formed within the applicator body 90, such that the abrasive inlet tube 10 and abrasive outlet 30 and the water inlet tube 20 and water outlet 40 are coupled via the passage, respectively.
  • the abrasive inlet tube 10, water inlet tube 20, abrasive outlet 30, and water outlet 40 can include a threaded end (or any other suitable means for connection) to facilitate coupling.
  • the applicator 100 can also include a cover 50, which can be used to protect the outlet end from dirt and other damage.
  • FIG. 2B shows the lengthwise axis A-A of the applicator 100.
  • FIG. 3 shows a cross-sectional view of an example of an applicator 100, having the applicator body 90 removed, illustrating the connection between the water tube 1 10 and the water outlet 40, and between the abrasive tube 120 and the abrasive outlet 30.
  • the abrasive inlet tube 10, abrasive tube 120, and abrasive outlet 30 are in fluidic communication and can provide a pathway capable of transporting an abrasive, that the abrasive inlet 10, abrasive tube 120, and abrasive outlet 30 can be configured to maintain a consistent diameter throughout the applicator body 90.
  • a similar pathway, capable of transporting water is provided by the water inlet tube 20, water tube 1 10, and water outlet 40.
  • the abrasive pathway is located above the water pathway.
  • the point at which materials that are expelled from the outlet end 80 of the applicator 100 meet can be modified by adjusting the angle at which the abrasive outlet 30 is coupled with the abrasive tube 120.
  • the abrasive outlet 30 is angled downward at a 45 degree angle from the abrasive tube 120.
  • the abrasive outlet 30 has a central axis B-B, the abrasive outlet 30 is positioned such that the central axis B-B of the abrasive outlet 30 is at an angle; in at least one example, the angle can be about 45 degrees downward from the lengthwise axis A-A (as shown in FIG. 2B) of the applicator 100.
  • the water outlet 40 includes a central axis C-C. The abrasive stream and the water stream are expelled from the abrasive outlet 30 and the water outlet 40, respectively, and can form an angle ⁇ .
  • the abrasive stream meets the water stream at an angle ⁇ , which can be from about eighteen (18) degrees to about thirty (30) degrees.
  • the pressure at which the abrasive stream is expelled can be adjusted based on a desired outcome. In at least one example, the pressure at which the abrasive stream is expelled from the applicator 100 can be determined by the pressure of the air stream entering the pressurization unit 300.
  • standard dental compressors can be set to cycle between 80 psi (about 551.6 kPa) and 120 psi (about 827.4 kPa).
  • the pressure at which the abrasive stream is expelled is lower than the pressure at which the air stream enters the unit.
  • the pressure of the air stream entering the unit is such that the abrasive stream is expelled at about 55 psi (about 379.2 kPa).
  • the pressure of the air stream entering the unit is set such that the pressure the abrasive stream is expelled from the applicator 100 is supersonic.
  • the flow of the abrasive is at supersonic speed.
  • a pressurization unit 300 is shown.
  • the pressurization unit 300 is shown.
  • the pressurization unit 300 has a reservoir 320 comprising a cap 310, an abrasive discharge nozzle 340, a main water line 290, a main air line 280, and an adapter 360, protruding from a housing 330.
  • the pressurization unit 300 can be configured to connect to a dental compressor via the adapter 360.
  • the adapter 360 can be a Midwest adapter. Most dental practices in the United States use compressors outfitted with a Midwest connector to connect dental hand pieces to the compressor.
  • the adapter 360 can be configured to guide a water stream and an air stream provided by the dental compressor, into the main water line 290 and the main air line 280 throughout the pressurization unit 300 (as shown in FIG. 6).
  • FIG. 6 illustrates the pressurization unit 300 from another angle, showing the adapter 360, main water line 290, and main air line 280. While only the Midwest adapter is discussed in detail, those of skill in the art should understand that any other suitable connection means can also be utilized.
  • FIG. 7 illustrates the pressurization unit 300 shown in FIG. 5, having the housing 330 partially removed.
  • the pressurization unit 300 can include a main air line 280 (as shown in FIG. 6), a funnel 370, and a reservoir 320.
  • the air stream can enter the pressurization unit 300 through the main air line 280, which connects to the funnel 370 via a funnel inlet 350.
  • the reservoir 320 can have a tube 322 (as shown in FIG. 8) configured to attach the reservoir 320 to the funnel 370 via a venture point 380.
  • the reservoir 320 can be configured to hold an abrasive material and can create an atomizer effect at venturi point 380 when an air stream is sent through the pressurization unit 300.
  • the reservoir cap 310 can further comprise a control screw 390, which can act as a needle valve allowing for increased control of the flow of the abrasive stream.
  • a water stream can enter the housing 330 through the adapter 360 via the main water line 290 and exit through the opposite side of the housing 330.
  • the main water line 290 is disposed within the housing 300 of the pressurization unit 300; however, no pressure change occurs within the water stream as it passes throughout the pressurization unit 300.
  • An abrasive hose 200 and a water hose 210 can be provided to transport the abrasive stream and the water stream, respectively, from the pressurization unit 300 to the applicator 100.
  • the pathway created from the main water line 290, through the water hose 210, water inlet tube 20, water tube 110, and to the water outlet 40 can be configured to maintain a consistent pressure.
  • the pressure at which the water stream is expelled from the applicator 100 can be adjusted based on a desired outcome.
  • the pressure at which each of the water stream and the abrasive stream are expelled can be adjusted in order to change the angle ⁇ at which the abrasive stream and the water stream meet.
  • the angle ⁇ can be from about eighteen (18) degrees to about thirty (30) degrees.
  • the pressure of the abrasive stream can be adjusted such that when the abrasive stream and the water stream meet, the water stream is turned parallel to the abrasive stream, creating a water curtain around the abrasive stream.
  • the water curtain can be used to ground any static electric charge caused by the kinetic energy of the air abrasion process. Grounding the electric charge can allow the procedure to progress painlessly, without the need for anesthesia.

Landscapes

  • 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

L'invention concerne un appareil dentaire comprenant un corps d'applicateur ayant une extrémité d'entrée et une extrémité de sortie faisant face à l'extrémité d'entrée. Le corps d'applicateur comporte une sortie d'abrasif s'étendant depuis l'extrémité de sortie et délimitant un axe de sortie d'abrasif qui se trouve sensiblement à travers le centre de la sortie d'abrasif, et une sortie d'eau s'étendant depuis l'extrémité de sortie et délimitant un axe de sortie d'eau qui se trouve sensiblement à travers le centre de la sortie d'eau. L'axe de sortie d'eau et l'axe de sortie d'abrasif formant un angle compris entre environ dix-huit degrés et environ trente degrés.
PCT/US2017/021940 2016-03-10 2017-03-10 Appareil dentaire Ceased WO2017156476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662306496P 2016-03-10 2016-03-10
US62/306,496 2016-03-10

Publications (1)

Publication Number Publication Date
WO2017156476A1 true WO2017156476A1 (fr) 2017-09-14

Family

ID=59790851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/021940 Ceased WO2017156476A1 (fr) 2016-03-10 2017-03-10 Appareil dentaire

Country Status (1)

Country Link
WO (1) WO2017156476A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372507A (zh) * 2017-11-30 2020-07-03 八乐梦床业株式会社 异常通知装置、记录介质及异常通知方法
US20220160481A1 (en) * 2019-03-01 2022-05-26 Ferton Holding S.A. Instrument Support for a Treatment Device and Treatment Device Comprising Said Instrument Support

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106288A (en) * 1997-10-17 2000-08-22 Dentsply Research & Development Corp. Air abrasion system for use in dental procedures
US20020123020A1 (en) * 1999-10-15 2002-09-05 Aumuller Paul M. Dental abrading tool
US6729942B2 (en) * 2002-09-24 2004-05-04 William H. Harris Dental abrasion system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106288A (en) * 1997-10-17 2000-08-22 Dentsply Research & Development Corp. Air abrasion system for use in dental procedures
US20020123020A1 (en) * 1999-10-15 2002-09-05 Aumuller Paul M. Dental abrading tool
US6729942B2 (en) * 2002-09-24 2004-05-04 William H. Harris Dental abrasion system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372507A (zh) * 2017-11-30 2020-07-03 八乐梦床业株式会社 异常通知装置、记录介质及异常通知方法
US20220160481A1 (en) * 2019-03-01 2022-05-26 Ferton Holding S.A. Instrument Support for a Treatment Device and Treatment Device Comprising Said Instrument Support

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