WO2016074703A1 - Dispositif de nettoyage d'espaces interdentaires - Google Patents

Dispositif de nettoyage d'espaces interdentaires Download PDF

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Publication number
WO2016074703A1
WO2016074703A1 PCT/EP2014/074292 EP2014074292W WO2016074703A1 WO 2016074703 A1 WO2016074703 A1 WO 2016074703A1 EP 2014074292 W EP2014074292 W EP 2014074292W WO 2016074703 A1 WO2016074703 A1 WO 2016074703A1
Authority
WO
WIPO (PCT)
Prior art keywords
dental floss
floss
conveyor module
cable tension
tension sensor
Prior art date
Application number
PCT/EP2014/074292
Other languages
German (de)
English (en)
Inventor
Ludger SCHRÖDER
Tobias Martin
Original Assignee
Engineered Md - Invested Ii Ug (Haftungsbeschränkt)
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 Engineered Md - Invested Ii Ug (Haftungsbeschränkt) filed Critical Engineered Md - Invested Ii Ug (Haftungsbeschränkt)
Priority to PCT/EP2014/074292 priority Critical patent/WO2016074703A1/fr
Publication of WO2016074703A1 publication Critical patent/WO2016074703A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A61C15/04—Dental floss; Floss holders
    • A61C15/046—Flossing tools
    • A61C15/047—Flossing tools power-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A61C15/04—Dental floss; Floss holders
    • A61C15/043—Containers, dispensers, or the like, e.g. with cutting means
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

Definitions

  • the invention relates to a device for cleaning interdental spaces according to the preamble of patent claim 1.
  • a finser usually has a handpiece with a fork arranged thereon, over whose free ends a floss thread is guided.
  • the dental floss is inserted into the spaces between the teeth by means of the flosser in order to clean the difficult-to-reach tooth surfaces in these interdental areas by reciprocating the floss thread.
  • motorized fins known in which the floss thread between a supply spool and a take-up spool is driven in the form of a feed motion, so that the floss is moved between the free end of the finned fork, the flossing between the free ends of the finned fork always remains tense.
  • a device for cleaning interdental spaces is known from DE 20 2007 016 208 B1, which allows introduction of the dental floss into the interdental spaces as well as cleaning of these interdental spaces.
  • This prior art device basically meets the task asked of it.
  • the proposed solution in terms of the handling of the dental floss, in particular with regard to passage through the interdental space and their subsequent recording is complex.
  • the invention has for its object to provide a device for cleaning interdental spaces, which can be produced with minimal effort and in which the handling of the dental floss is improved. According to the invention, this object is achieved by the features of the characterizing part of patent claim 1.
  • the invention provides a device for cleaning interdental spaces, which can be produced with minimal effort and in which the handling of the dental floss is improved.
  • the arrangement of means for detecting the Einspannschreibes of the dental floss reliable delivery and delivery of the dental floss is ensured. Malfunctions due to not or only insufficiently fixed dental floss are avoided.
  • the means for tensioning the dental floss are formed by the delivery module, which is arranged to be movable relative to the guide arms.
  • the means for detecting the gripping state of the dental floss are preferably formed by a cable tension sensor.
  • the cable tension sensor is formed by a power or torque measuring device of the drive of the conveyor module. This allows an integrated detection of the rope tension of the dental floss.
  • the cable tension sensor is formed by a force transducer, which is a defined distance orthogonal to the dental floss to be moved. This allows a simple and cost-effective detection of the cable tension of the dental floss in a sufficient tolerance band.
  • the cable tension sensor is formed by a Feder Industrieskraftaufsacrificing comprising a arranged in a cylindrical hollow body spring body, in particular a coil spring, at the end a stop body is arranged to rest against the dental floss, wherein the stop body for receiving the dental floss is U-shaped is trained.
  • the gripping means are spring-mounted, such that after clamping the floss with vertical oscillation of the conveyor module, a corresponding vibration of the gripping means at almost constant tension of the dental floss is achieved. As a result, a uniform, efficient cleaning of the interdental space is promoted.
  • the cable tension sensor is connected to the control of the conveyor module, which is set up such that falls below a defined minimum tension of the floss none Oscillation of the conveyor module takes place. As a result, injuries to the gums are prevented by loosening, oscillating dental floss.
  • the chosen as an embodiment device for cleaning interdental spaces consists essentially of a handpiece 1, which is provided with a cap 2, on which two guide arms 21, 22 are arranged, which are formed like a pliers to each other. Between the guide arms 21, 22, a gap 23 is formed for receiving a row of teeth.
  • the attachment 2 is attached to the handpiece 1 and connected by means of a releasable latching connection with the handpiece 1.
  • the handpiece 1 has a substantially cylindrically shaped housing 1 1, in which a receptacle 12 for a floss dispenser 7 is arranged. Furthermore, a drive shaft 13 is arranged, which is connected to a - not shown - first drive. End of the drive shaft 13, a coupling 14 for receiving a piece of tubing 45 for driving the guide member 4 is arranged. The coupling 14 is designed such that a plug connection between the coupling 14 and the tube piece 45 takes place when the attachment 2 is placed on the handpiece 1.
  • a conveyor module 15 is further arranged, which is shown in Figure 9 in the form of two oppositely arranged rollers, between which the dental floss 71 is guided. The conveyor module 15 is set up in such a way that the dental floss 71 can be transported forwards and backwards.
  • a slider 16 is disposed on the housing 1 1.
  • the slider 16 is detachably connected to the belt 37 of the tensioning part 3, which is guided via rollers 26 within the attachment 2.
  • the slider 16 is provided for releasable connection with the belt 37 with a receptacle 18, in which the belt 37 of an attachment 2 is releasably latched.
  • the releasable connection of the belt 37 with the receptacle 18 takes place when attaching the attachment 2 on the handpiece. 1
  • the slider 16 is connected to a drive plate 17 through which the dental floss 71 is guided.
  • the driver 17 is designed such that a driving of the dental floss takes place only in a sliding direction. By repeated sliding of the slide 17 is thus a piecewise promotion of the dental floss 71 by a tooth space allows.
  • a switch 19 which is connected to a control device (not shown), is arranged on the housing 11.
  • the switch 19 is designed as a multi-function switch and serves both the switching on and off of the device, as well as the activation of the conveyor module 15 and the start of the cleaning process.
  • the attachment 2 is likewise designed as a hollow body and has at its end opposite the handpiece 1 two tongs-like mutually arranged guide arms 21, 22, between which a gap 23 is formed. In the middle, between the guide arms 21, 22 an elastic tooth support piece 24 is arranged.
  • the Zahnauflage Industries 24 serves as an elastic buffer between see the essay 2 and the tooth crown.
  • a funnel-shaped, elastic tooth fitting piece 25 is arranged on the slave-side guide arm 22.
  • the tooth abutment piece 25 serves to abut against a row of teeth.
  • a guide rail 27 is arranged in the slave-side guide arm 22, which is connected at its two ends via a stop piece 28 with the attachment 2.
  • the guide rail 27 opposite a guide bar 29 is further formed in the slave-side guide arm, which merges at its two ends in a wedge-shaped spreader 291.
  • the guide rail 27 and the guide web 29 serve to receive a clamping part 3 which can be moved on the guide rail 27 so as to be movable within the slave-side guide arm 22 of the attachment.
  • the Zahnastrom Sharing 25 opposite is further introduced in the encoder-side guide arm 21, a bore 221.
  • the bore 221 serves to remove a piece of dental floss after its use.
  • the clamping part 3 is formed in the embodiment as partially provided with a rubber layer plastic part. It consists essentially of a cuboid guide block 31, to which a clamping cylinder 32 is attached. is formed. On the plane of symmetry of the clamping part 3, a through hole 33 is eccentrically introduced into the clamping cylinder 32, in which a slot 34 opens, which merges at its the through hole 33 opposite end into a guide groove 35.
  • the guide groove 35 serves to receive the guide web 29 of the user-side guide arm 22.
  • a guide channel 36 for receiving the guide rail 27 of the slave-side guide arm 22 is introduced through which it is guided.
  • a spring element 38 is further arranged on the guide rail 27, which in the exemplary embodiment is in each case designed as a screw spring.
  • the spring elements 38 are dimensioned such that the clamping part 3 is located at rest in the center on the guide web 29.
  • a belt 37 is attached to the guide block 31 of the clamping part 3, which is guided over rollers 26 through the attachment 2 and connected to the slider 16 of the handpiece 1.
  • the clamping part 3 along the guide rail 27 is movable.
  • the clamping part 3 is moved via the slide 16 against an expansion body 291, then this penetrates into the guide groove 35, whereby the slot 34 and thus the subsequent thereto through hole 33 is widened.
  • the through hole 33 whose inner diameter is made slightly lower in the initial state, as the outer diameter of the dental floss 71 is thereby increased, whereby a passage of the dental floss is made possible through the through hole 33.
  • the slider 16 is no longer actuated, the clamping part 3 is moved back to the starting position via the restoring forces of the spring elements 38, whereby the expansion element is led out of the guide groove 35 and the slot 34 and the subsequent through hole 33 move back elastically into its original state , The dental floss 71 is thus clamped in the through hole 33 of the clamping part 3.
  • a guide member 4 is disposed rotatably oscillatable.
  • the guide part 4 is designed as a plastic part and consists essentially of a cylindrical shaft 41, to which a diameter-enlarged portion 42 connects.
  • a conical projection 43 is formed eccentrically to the shaft 41, the surface of which is provided with a rubber layer.
  • a bore 44 is introduced into the guide part 4, which opens into the top of the eccentrically arranged conical projection 43.
  • the shaft 41 of the guide member 4 is non-circular, preferably formed as a polygonal and is received by a piece of hose 45, which is provided at the end with a - not shown - corresponding non-round recording.
  • the hose piece 45 is formed in the embodiment in the form of a hose-like metal mesh and is connected at its end opposite the guide part 4 with the coupling 14 of the drive shaft 13 of the handpiece 1.
  • the coupling 14 has a passage (not shown) for the passage of the dental floss 71, which is guided through the tube piece 45 and penetrates the bore 43 of the guide part 4.
  • a recess 451 for the passage of the knife 61 of a cutting device 6 arranged in the attachment is introduced into the tube piece 45.
  • the drive of the guide part 4 comprising the tube piece 45 connected to the drive shaft 13 as well as the drive - not shown - drive is shown symbolically in Figure 9 by a square marked "A".
  • a spacer 5 is arranged in the sensor-side guide arm 21.
  • the spacer 5 is formed as a plastic part and formed on its funnel-shaped, the dental abutment piece 25 facing the end elastic.
  • the spacer 5 is formed by a second drive 51, which is shown in Figure 9 in the form of driven rollers, along the guide member 4 movable.
  • the inner diameter of the spacer 5 is formed slightly larger than the outer diameter of the enlarged diameter portion 42 of the guide member 4th
  • the cable tension sensor 8 consists essentially of a cylindrical hollow body 81, in which a spring 82 is arranged, the end is connected to a stop body 83.
  • the stopper body 83 is provided with a U-shaped contour, whereby a trough 84 for receiving the dental floss 71 is formed.
  • the cable tension sensor 8 is connected to the - not shown - control of the conveyor module 15 and - not shown - drive the drive shaft 13 and is on a - not shown - piston a defined distance against the dental floss 71 movable. In this case, the - not shown - control is set up so that falls below a defined minimum tension of the dental floss no vibration of the conveyor module.
  • the device according to the invention is introduced with its attachment 2 into the mouth of the user such that one row of teeth engages in the intermediate space 23 of the attachment 2.
  • the article rests with its tooth support piece 24 on the crown of a tooth.
  • the guide member 4 is then positioned with its conical projection 43 between two teeth resting on the gum.
  • the dental floss 71 is guided in sections through the interdental space via the drive plate 17, wherein the clamping part 3 is moved along the guide rail 27 in the direction of an expansion body 291, whereby the through-bore 33 is enlarged in the manner described above ,
  • the floss 71 is conveyed through the through hole 33 of the clamping part 3 and - after completion of the operation of the slider 16 - clamped in the manner previously described by reducing the opening width of the through hole 33 in the clamping part 3.
  • the spacer 5 is then moved in the direction of the tooth contact piece 25, whereby the teeth adjacent to the tooth space to be cleaned are "clamped" between the tooth contact piece 25 and the spacer 5.
  • the guide part 4 with its conical shoulder 43 is moved out of the interdental space.
  • the dental floss 71 is then tensioned, such that the clamping part 3 is slightly moved in the direction of the guide member 4, but no spreader, the guide groove 35th of the clamping part 3 reached.
  • the cable tension sensor 8 is moved with its stop body 83 orthogonally a defined distance to the tensioned dental floss 71.
  • the stopper body is pressed against the spring 82, depending on the tension of the dental floss 71.
  • the tension of the dental floss 71 is determined via the path traveled by the stop body in this case. If a sufficient tension of the floss 71 before, the release of the controls of the drive of the drive shaft 13 and the conveyor module 15 takes place.
  • the guide member 4 is now oscillated by the drive shaft 14 via the tube piece 45, wherein only a proportionate rotation of about 200 degrees takes place before the direction of rotation is changed.
  • the dental floss 71 describes at the point of passage from the conical projection 43 of the guide part 4 oscillating a partial arc.
  • the movement sequence of the dental floss 71 is shown in different positions in FIG.
  • the dental floss is set in a reciprocating motion via the delivery module 15, thereby assisting the cleaning of the teeth.
  • the spacer 5 is moved back relative to the guide member 4, after which the device can be removed while passing the floss 71 - if possible - from the tooth gap.
  • the dental floss can also be separated via the cutting device 6, wherein the knife 61 cuts through the recess 451 of the tube piece 45. The severed floss end can now be removed through the bore 221 arranged in the slave-side guide arm 22.

Landscapes

  • Health & Medical Sciences (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)
  • Brushes (AREA)

Abstract

L'invention concerne un dispositif permettant de nettoyer des espaces interdentaires, qui comprend un boîtier destiné à loger un distributeur de fil dentaire, deux bras de guidage conçus de manière à former une pince, qui définissent un espace intermédiaire à travers lequel le fil dentaire du distributeur de fil dentaire peut être acheminé, ainsi qu'un module de transport au moyen duquel le fil dentaire peut être acheminé par un bras de guidage situé côté distribution en direction du bras de guidage situé côté réception, lequel est disposé à l'opposé, des moyens de préhension pour recevoir et fixer le fil dentaire étant disposés dans le bras de guidage situé côté réception et des moyens pour assurer la tension du fil dentaire étant prévus, ainsi que des moyens pour détecter l'état de tension du fil dentaire (71).
PCT/EP2014/074292 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires WO2016074703A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/074292 WO2016074703A1 (fr) 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/074292 WO2016074703A1 (fr) 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires

Publications (1)

Publication Number Publication Date
WO2016074703A1 true WO2016074703A1 (fr) 2016-05-19

Family

ID=52021157

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PCT/EP2014/074292 WO2016074703A1 (fr) 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020188115A1 (fr) 2019-03-21 2020-09-24 Engineered Md Germany Gmbh Dispositif de nettoyage interdentaire

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0554623A2 (fr) * 1991-12-23 1993-08-11 Advanced Dental Research Corporation Porte-soie dentaire motorisé
JPH11206789A (ja) * 1997-11-21 1999-08-03 Yuusuke Nonomura 歯牙歯周予防装置
DE102007016208B4 (de) 2007-04-04 2010-07-22 Schröder, Ludger, Dr. Vorrichtung zur Reinigung von Zahnzwischenräumen
EP2392292A1 (fr) * 2010-06-05 2011-12-07 Christiane Schröder Dispositif de nettoyage d'espaces inter-dentaires
US20120266904A1 (en) * 2011-04-20 2012-10-25 Aronson Ross E Ultrasonic manipulator of dental floss and method for operating the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0554623A2 (fr) * 1991-12-23 1993-08-11 Advanced Dental Research Corporation Porte-soie dentaire motorisé
JPH11206789A (ja) * 1997-11-21 1999-08-03 Yuusuke Nonomura 歯牙歯周予防装置
DE102007016208B4 (de) 2007-04-04 2010-07-22 Schröder, Ludger, Dr. Vorrichtung zur Reinigung von Zahnzwischenräumen
EP2392292A1 (fr) * 2010-06-05 2011-12-07 Christiane Schröder Dispositif de nettoyage d'espaces inter-dentaires
US20120266904A1 (en) * 2011-04-20 2012-10-25 Aronson Ross E Ultrasonic manipulator of dental floss and method for operating the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020188115A1 (fr) 2019-03-21 2020-09-24 Engineered Md Germany Gmbh Dispositif de nettoyage interdentaire

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