WO2016074705A1 - Dispositif de nettoyage d'espaces interdentaires - Google Patents

Dispositif de nettoyage d'espaces interdentaires Download PDF

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Publication number
WO2016074705A1
WO2016074705A1 PCT/EP2014/074294 EP2014074294W WO2016074705A1 WO 2016074705 A1 WO2016074705 A1 WO 2016074705A1 EP 2014074294 W EP2014074294 W EP 2014074294W WO 2016074705 A1 WO2016074705 A1 WO 2016074705A1
Authority
WO
WIPO (PCT)
Prior art keywords
dental floss
guide
spacer
drive
clamping part
Prior art date
Application number
PCT/EP2014/074294
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/EP2014/074294 priority Critical patent/WO2016074705A1/fr
Publication of WO2016074705A1 publication Critical patent/WO2016074705A1/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
    • 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
    • A61C15/048—Flossing tools with heads removable from handle, e.g. interchangeable heads
    • 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 guide member comprises a substantially cylindrical, an off-center bore having portion which opens into a conical approach, the tip of which is arranged onsachse to the axis of rotation of the cylindrical portion.
  • rotation of the thus formed guide member describes the tip of the conical projection through which the through hole is guided, a circular arc.
  • the cone-shaped projection serves as a threading aid for the passage of the dental floss through a tooth space.
  • the conical projection is at least partially elastic, preferably formed of rubber.
  • the guide member is received by a sleeve member through which the dental floss is feasible and which is connected to a first drive, via which it is rotatable or oscillatable.
  • the sleeve part is preferably formed by a tube or a hose.
  • the device is designed in several parts, wherein the guide arms with the guide part received by the sleeve part of a removable cleaning attachment, which can be placed on a first drive exhibiting handpiece, which first drive has a connection for the sleeve part, with the The sleeve part can be connected to the handpiece when the cleaning attachment is connected.
  • the sleeve part has a recess into which an arranged cutting element for separating a piece of dental floss running through the sleeve part can be inserted. As a result, a separation of a used flossing portion is made possible near its exit from the guide part, whereby the floss consumption is minimized.
  • a preferably at least partially elastically formed spacer piece is arranged on the sensor-side guide arm, which at least partially comprises the guide member and is movable relative to this via a second drive along the guide member.
  • the guide part is partially enlarged in diameter formed, whereby a paragraph is formed on which the distance dance piece.
  • the second drive in the form of an externally arranged on the housing, manually operated slide is formed, which is connected to the spacer. This allows a sensitive control of the spacer by the operator.
  • the second drive may also comprise at least one electrically driven rotary body, which is in particular formed by a roller or a gear and which bears against the spacer.
  • the gripping means comprise a clamping opening exhibiting, at least partially elastic clamping part, which is arranged movable in the slave side guide arm and through which the dental floss is conveyed, wherein means for temporarily changing the size of the passage opening of the clamping part are arranged the means for changing the passage opening of the clamping part Favor are formed by at least one protruding into the travel of the clamping part spreader, wherein particularly preferably the opening of the clamping part is formed by a bore into which a slot opens and wherein the projecting into the driveway at least one spreader is preferably wedge-shaped in the direction of the clamping part, such that upon its penetration into the slot an enlargement of the bore is effected.
  • the clamping part and the spacer sleeve are preferably movable via a common mechanical drive in the form of a manually operable slide arranged on the outside of the housing, which is connected to the clamping part and the spacer.
  • Figure 1 shows the spatial representation of a device for cleaning
  • Figure 2 is a schematic representation of the device of Figure 1 before startup with a detailed view of the clamping part (spreader except intervention);
  • Figure 3 is a schematic representation of the device according to Figure 2 at first operated slide (slide above) with a detailed view of the clamping member (spreader in engagement); the schematic representation of the device according to Figure 2 with two actuation of the slide (slide above) with a detailed view of the clamping part (spreader in engagement); the schematic representation of the device according to Figure 4 after the actuation of the slide (slide below) with a detailed view of the clamping part (spreader disengaged);
  • 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 is a coupling 14 for receiving a piece of hose 45 for driving the guide member 4 is arranged. The coupling 14 is designed such that a plug connection between the coupling 14 and tube piece 45 takes place when attaching the attachment 2 to the handpiece 1.
  • a conveyor module 15 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 configured such that the dental floss 71 can be transported forward and backward.
  • a slider 16 is disposed on the housing 1 1.
  • the slider 16 is detachably connected to the belt 37 of the clamping part 3, which is guided via rollers 26 within the attachment 2.
  • the slide 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.
  • 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.
  • a switch 19 is arranged on the housing 1 1, which is connected to a - not shown - control device.
  • 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.
  • an elastic tooth support piece 24 is arranged in the middle, between the guide arms 21, 22 .
  • the dental pad 24 serves as an elastic buffer between the cap 2 and the tooth crown.
  • a funnel-shaped, elastic dental abutment piece 25 is arranged on the slave-side guide arm 22 arranged.
  • 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, is further formed with a guide web 29 in the slave-side guide arm, which merges at its two ends into a wedge-shaped spreader body 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, on which a clamping cylinder 32 is formed.
  • a through hole 33 is eccentrically introduced into the clamping cylinder 32, into which a slot 34 opens, which merges into a guide groove 35 at its end facing the through hole 33.
  • 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 is formed in the embodiment in each case as a helical 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. If 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.
  • 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 an enlarged diameter portion 42 connects. On the enlarged diameter portion 42, 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 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 4.
  • a cable tension sensor 8 is arranged in the handpiece 1.
  • the cable tension sensor 8 consists essentially of a cylindrical hollow body 81, in which a spring 82 is arranged, which is connected at the end 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.
  • the control (not illustrated) is set up in such a way that no vibration of the delivery module occurs when a defined minimum tension of the dental floss is undershot.
  • the device according to the invention is introduced with its attachment 2 into the mouth of the user such that a 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 conveyed through the throughbore 33 of the tensioning part 3 and - after completion of the actuation of the slide 16 - clamped in the manner previously described by reducing the opening width of the through hole 33 in the clamping part 3. Subsequently, the spacer 5 is moved in the direction of the tooth contact piece 25, whereby the teeth adjacent the tooth space to be cleaned are "clamped" between the tooth contact piece 25 and the spacer 5. At the same time, the guide part 4 with its conical shoulder 43 is moved out of the interdental space By a reverse operation of the conveyor module 15, the dental floss 71 is then tensioned, such that the clamping part 3 is slightly moved in the direction of the guide part 4, but no spreader reaches the guide groove 35 of the clamping part 3.
  • the stopper body is pressed against the spring 82, depending on the tension of the floss 71.
  • the distance traveled by the stopper body in this case the tension of the dental floss 71 is determined
  • the guide member 4 is now rotated by the drive shaft 14 via the tube piece 45 oscillating, each only a proportionate rotation of about 200 degrees 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 relative to the guide part 4, after which the device can be removed from the tooth gap while passing the dental floss 71, if possible.
  • the dental floss can also be separated via the cutting device 6, whereby the knife 61 cuts through the recess 451 of the tube section 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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (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 un élément de guidage (4) rotatif et/ou oscillant, à travers lequel le fil dentaire (71) peut être passé, étant disposé au niveau du bras de guidage situé côté distribution (21) et ledit élément de guidage étant conçu de manière à imprimer au fil dentaire acheminé à travers ledit élément de guidage (4) un mouvement en arc de cercle en son point de sortie.
PCT/EP2014/074294 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires WO2016074705A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/074294 WO2016074705A1 (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/EP2014/074294 WO2016074705A1 (fr) 2014-11-11 2014-11-11 Dispositif de nettoyage d'espaces interdentaires

Publications (1)

Publication Number Publication Date
WO2016074705A1 true WO2016074705A1 (fr) 2016-05-19

Family

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PCT/EP2014/074294 WO2016074705A1 (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
US5184632A (en) * 1990-11-27 1993-02-09 Product Development (Z.G.S.) Ltd. Dental flossing device
US20050000537A1 (en) * 2003-07-02 2005-01-06 Mitch Junkins Vibratory cleaning devices and methods
DE102007016208A1 (de) * 2007-04-04 2007-09-27 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184632A (en) * 1990-11-27 1993-02-09 Product Development (Z.G.S.) Ltd. Dental flossing device
US20050000537A1 (en) * 2003-07-02 2005-01-06 Mitch Junkins Vibratory cleaning devices and methods
DE102007016208A1 (de) * 2007-04-04 2007-09-27 Schröder, Ludger, Dr. Vorrichtung zur Reinigung von Zahnzwischenräumen
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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