EP2787858B1 - Toothbrush allowing the rear faces of the teeth to be cleaned - Google Patents

Toothbrush allowing the rear faces of the teeth to be cleaned Download PDF

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Publication number
EP2787858B1
EP2787858B1 EP12810357.9A EP12810357A EP2787858B1 EP 2787858 B1 EP2787858 B1 EP 2787858B1 EP 12810357 A EP12810357 A EP 12810357A EP 2787858 B1 EP2787858 B1 EP 2787858B1
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EP
European Patent Office
Prior art keywords
handle
brush
bristles
support
teeth
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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.)
Not-in-force
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EP12810357.9A
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German (de)
French (fr)
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EP2787858A1 (en
Inventor
Raymond Berchotteau
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Berchotteau Raymond
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Berchotteau Raymond
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Publication of EP2787858A1 publication Critical patent/EP2787858A1/en
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0004—Additional brush head
    • A46B5/0016—Brushes with heads on opposite sides or ends of a handle not intended for simultaneous use
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/026—Grips or handles having a nonslip section

Definitions

  • the present invention relates to a toothbrush and carries, in particular, a toothbrush to be used for cleaning the rear face of the teeth of the upper jaw and the rear face of the teeth of the lower jaw.
  • the cleaning of teeth with a toothbrush aims to eliminate the bacterial plaque that is formed from food residues in the hours following a meal.
  • the persistence of the plaque is responsible for yellowing of the teeth, swelling and bleeding of the gums, in the course of their retraction in sensitive individuals.
  • the bacterial plaque is transformed into tartar which contributes to the loosening of the teeth.
  • bacteria use plaque sugars to produce acids that contribute to caries.
  • Conventional toothbrushes are formed of a brush disposed at one end of a rectilinear shaft, the brush having bristles arranged in a rectangular configuration whose length is arranged along the extension of the middle line of the shaft.
  • the Chinese patent application CN 2011 78,789 relates to a toothbrush having a handle whose one end carries a conventional brush and whose other end, which can be bent at 45 ° in a particular embodiment, branched into two short branches perpendicular to the handle, on the other hand and another of these, each of these short branches carrying a brush whose bristles are oriented inward, for the purpose of brushing the rear part of the teeth.
  • a toothbrush having a handle whose one end carries a conventional brush and whose other end, which can be bent at 45 ° in a particular embodiment, branched into two short branches perpendicular to the handle, on the other hand and another of these, each of these short branches carrying a brush whose bristles are oriented inward, for the purpose of brushing the rear part of the teeth.
  • the US patent US 4,150,457 relates to a toothbrush having a handle curved at both ends each terminating in a flat portion carrying a round brush whose bristles are oriented on the corresponding concave side, each of the brushes for brushing specific regions of the teeth.
  • the Japanese patent application JP 11046862 relates to a toothbrush having a handle slightly curved at one end where it carries a conventional rectangular brush and further curved at its other end where it carries in the concave portion of this curvature a second brush.
  • the toothbrushes of the two patent documents above have a configuration that does not allow an easy and complete cleaning of the back part of the teeth because, at the time of brushing, the mouth of the user must open and close with each movement of the brush, and the mouth must be opened disproportionately to reach the internal end faces of the jaws or molars of the bottom of the mouth without having the certainty to achieve it.
  • the concave shaped brush of the Japanese patent application JP 11046862 does not allow to have a correct application on the rear faces of the teeth.
  • German utility model DE 203 17004 illustrates a toothbrush whose handle carries at one end a support perpendicular to the handle bearing itself at each end of the double brushes for brushing the front and rear portions of the teeth. It is unclear how such a toothbrush could allow effective brushing.
  • French patent FR 574,577 discloses a toothbrush that cleans the inner side of the dentition.
  • the head carrying the brush forms with the handle an obtuse angle and the brush is disposed on the inner side of the head.
  • the present invention aims to remedy these drawbacks and to propose a toothbrush whose configuration makes it possible to brush the inner part easily and effectively, in order to prevent any deposit of dental plaque, in other words to ensure hygiene. perfect mouth, thus improving the health of users, thus decreasing the problems related to the heart and blood circulation in the elderly.
  • the brushing of the rear face of the teeth of the upper jaw and the rear face of the teeth of the lower jaw are simultaneously performed in reciprocating motion by two elongated brushes, for example of rectangular shape, arranged closely to a curved end of a handle, one for the upper jaw and the other for the lower jaw, in view brushing the inside of the teeth that is well balanced between the top and the bottom in a natural way.
  • the curve of the end of the handle carrying the two brushes can be advantageously chosen so that the bristles of the two brushes are applied perpendicularly to the faces of the teeth and ensure a good brushing thereof, in a reciprocating motion, on the entire length of the jaw, the toothbrush being returned by the user to move from one side to the other of the jaw.
  • the toothbrush according to the invention therefore also makes it possible to achieve, because of the ergonomics of its handle, the inner ends of the jaws during this back and forth movement of the two brushes simultaneously, without any movement of opening and closing. closure of the jaw, the latter being more or less open depending on the position of the brushes.
  • the opening of the mouth is conditioned by the thickness of the curved portion of the connection between the handle itself and the brushes.
  • the subject of the present invention is therefore a toothbrush comprising an elongated handle and a brushing member carried at one end of the elongated handle and constituted by a support which is formed in the extension of the elongated handle and which carries bristles arranged perpendicularly said support being bent in the region of said end and the bristles of said brush member being oriented on the concave side of said handle, the support being widened on either side of the extension of the handle, characterized in that the bristles are arranged on the expanded support to form a brushing member consisting of two generally elongated brush-shaped parts, parallel to one another, separated from one another the other along their internal longitudinal border, following the prolongation of the handle, making it possible to brush simultaneously, one, the rear face of the teeth of the upper jaw, and the other, the rear face of the teeth of the lower jaw, with application of the bristles of the brush portions perpendicular to the faces to be brushed.
  • the brush portions may be separated from each other along their inner longitudinal edge by a distance of 4 to 7 mm, for example 6 mm.
  • the support may be flat in shape, extending the curved end region of the handle.
  • the support may be of substantially rectangular shape, carrying two rectangular brush portions whose length is oriented along the extension of the handle, the support may have a free end transverse border which is rounded.
  • the two brush parts can be identical.
  • the lengths of the bristles of a brush portion may be such that the surface containing the ends of the bristles is flat. According to another variant, the lengths of the bristles of a brush portion may be such that the surface containing the ends of the bristles is of convex shape. In either case, tufts of longer hairs may be provided than others to more effectively clean the interstices between the teeth.
  • the curvature of the handle in the end region carrying the brushing member may be such that the line average of the main part of the handle and the middle line of the support in the extension of the handle form an angle of between 25 and 45 °, being in particular 35 °.
  • Another brush may be carried at the end of the elongate handle opposite to that carrying the two brush parts.
  • the handle can be bent in the end region carrying said other brush, which is oriented on the concave side of said handle, the concavities of each of the two ends of said handle being turned oppositely to one another.
  • This other brush can advantageously be used for brushing the visible portion of the teeth, so that with the brush according to the invention the teeth can all be brushed completely with great efficiency.
  • FIG. 1 it can be seen that there is shown a toothbrush having a handle 1 at one end of which is formed a support 2 for two brushes 21 and 22, a support 3 for a brush 31 being formed at the other end.
  • the handle 1 has an elongated central portion 1a, cylindrical, slightly bulged at its center and having an outer surface in which are made ridges to facilitate gripping the handle.
  • the central portion 1a is extended at one end by a curved part 1b ending with the support 2 of the brushes 21 and 22, and at its other end by a curved portion 1 c, ending in the support 3 of the brush 31.
  • the curved portion 1b extends directly the portion 1a and is shaped flat elongated member being connected to the part 1 has a widened region according to the profile seen in Figure 2 and extending, at its free end, by a flat element on either side of the elongate flattened element, which flat element forms the support 2 of the two brushes 21 and 22.
  • the curvature of the portion 1b is such that the average line of the portion 1a and the center line of the support 2 in the extension of the handle 1 form an angle of about 35 °.
  • the part 1c is also a curved part but directed on the other side of the handle 1 with respect to the part 1b . It is connected to the part 1 to a bifurcation so that the free end of the brush holder 3 formed by an enlargement of the part 1 c is located substantially in the axis of the part 1 a .
  • the support 2 has a rounded free edge, which prevents the user from getting injured when he introduces the toothbrush into the mouth.
  • the handle 1 and the brush supports 2 and 3 are advantageously formed in one piece by molding.
  • the brushes 21, 22 and 31 are conventional brushes of elongated rectangular shape, oriented in the extension of the handle 1, their bristles being implanted perpendicular to their respective supports.
  • the outer surface of the bristles of the brushes 21 and 22 is convex ( Figure 1 ), that of the bristles of the brush 31 being flat.
  • the two brushes 21 and 22 are separated along their opposite longitudinal edges by a distance of the order of 6 mm, the width of the support 2 being such that the brushes 21 and 22 may apply simultaneously to the parts. inside the upper and lower jaws.
  • the Figures 3A to 3C show the position of the brushes 21 (and therefore 22) when brushing the rear portion of the teeth. It can thus be clearly seen that the curved shape of the end region 1b makes it possible to simultaneously brush, without difficulty, the rear portions of the upper and lower jaws with identical pressure thanks to the two brush portions 21 and 22 applied perpendicularly or substantially perpendicularly. the surfaces to be brushed and moving back and forth according to the curve of the jaws. The mouth can remain relatively closed during brushing, once the brushes are applied against the surfaces to be brushed. This helps to ensure complete brushing of the faces back of teeth, which is not possible with the use of a single brush.
  • the toothbrush thus shown thus provides a perfect oral hygiene.

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

Description

La présente invention concerne une brosse à dents et porte, en particulier, sur une brosse à dents destinée à être utilisée pour le nettoyage de la face arrière des dents de la mâchoire supérieure et de la face arrière des dents de la mâchoire inférieure.The present invention relates to a toothbrush and carries, in particular, a toothbrush to be used for cleaning the rear face of the teeth of the upper jaw and the rear face of the teeth of the lower jaw.

En effet, un mauvais nettoyage des dents ou un nettoyage partiel de celles-ci engendre des problèmes dentaires.Indeed, a bad cleaning of the teeth or a partial cleaning of these causes dental problems.

En particulier, le nettoyage des dents à l'aide d'une brosse à dents a pour but d'éliminer la plaque bactérienne qui se forme à partir des résidus alimentaires dans les heures qui suivent un repas. La persistance de la plaque est responsable du jaunissement des dents, du gonflement et du saignement des gencives, à la longue de leur rétraction chez les personnes sensibles. En durcissant sous l'action des sels minéraux présents dans la salive, la plaque bactérienne se transforme en tartre qui contribue au déchaussement des dents. De plus, les bactéries utilisent les sucres de la plaque pour produire des acides qui contribuent à l'apparition des caries. En outre, la plaque bactérienne et les résidus alimentaires qui ne sont pas éliminés fermentent et donnent mauvaise haleine.In particular, the cleaning of teeth with a toothbrush aims to eliminate the bacterial plaque that is formed from food residues in the hours following a meal. The persistence of the plaque is responsible for yellowing of the teeth, swelling and bleeding of the gums, in the course of their retraction in sensitive individuals. By hardening under the action of the mineral salts present in the saliva, the bacterial plaque is transformed into tartar which contributes to the loosening of the teeth. In addition, bacteria use plaque sugars to produce acids that contribute to caries. In addition, bacterial plaque and food residues that are not removed ferment and give bad breath.

Les brosses à dents classiques sont formées d'une brosse disposée à une extrémité d'un manche rectiligne, la brosse ayant des poils disposés dans une configuration rectangulaire dont la longueur est disposée selon le prolongement de la ligne moyenne du manche.Conventional toothbrushes are formed of a brush disposed at one end of a rectilinear shaft, the brush having bristles arranged in a rectangular configuration whose length is arranged along the extension of the middle line of the shaft.

Cependant, ces brosses à dents classiques ne permettent pas un nettoyage de la face arrière des dents à cause de l'agencement plat et allongé de la configuration rectangulaire des poils. En effet, cette forme de poils ne permet pas de s'adapter aux zones incurvées de la face arrière des dents.However, these conventional toothbrushes do not allow cleaning of the back side of the teeth because of the flat and elongated arrangement of the configuration. rectangular hair. Indeed, this form of hair does not adapt to the curved areas of the rear face of the teeth.

Afin d'améliorer et de faciliter le nettoyage de la face arrière des dents, différentes brosses à dents ont été développées.In order to improve and facilitate the cleaning of the back side of the teeth, different toothbrushes have been developed.

La demande de brevet chinois CN 2011 78 789 concerne une brosse à dents comportant un manche dont une extrémité porte une brosse classique et dont l'autre extrémité, pouvant être coudée à 45° dans un mode de réalisation particulier, se ramifie en deux courtes branches perpendiculaires au manche, de part et d'autre de celui-ci, chacune de ces courtes branches portant une brosse dont les poils sont orientés vers l'intérieur, en vue du brossage de la partie arrière des dents. On voit cependant mal comment cette configuration peut permettre d'atteindre facilement la partie arrière des dents.The Chinese patent application CN 2011 78,789 relates to a toothbrush having a handle whose one end carries a conventional brush and whose other end, which can be bent at 45 ° in a particular embodiment, branched into two short branches perpendicular to the handle, on the other hand and another of these, each of these short branches carrying a brush whose bristles are oriented inward, for the purpose of brushing the rear part of the teeth. However, it is difficult to see how this configuration can easily reach the back of the teeth.

Le brevet américain US 4 150 457 concerne une brosse à dents comportant un manche recourbé à ses deux extrémités se terminant chacune par une partie plate portant une brosse ronde dont les poils sont orientés du côté concave correspondant, chacune des brosses permettant de brosser des régions spécifiques des dents.The US patent US 4,150,457 relates to a toothbrush having a handle curved at both ends each terminating in a flat portion carrying a round brush whose bristles are oriented on the corresponding concave side, each of the brushes for brushing specific regions of the teeth.

La demande de brevet japonais JP 11046862 concerne une brosse à dents comportant un manche légèrement recourbé à une extrémité où il porte une brosse rectangulaire classique et davantage recourbé à son autre extrémité où il porte dans la partie concave de cette courbure une seconde brosse.The Japanese patent application JP 11046862 relates to a toothbrush having a handle slightly curved at one end where it carries a conventional rectangular brush and further curved at its other end where it carries in the concave portion of this curvature a second brush.

Les brosses à dents des deux documents-brevets ci-dessus ont une configuration qui ne permet pas un nettoyage facile et complet de la partie arrière des dents car, au moment du brossage, la bouche de l'utilisateur doit s'ouvrir et se fermer à chaque mouvement de la brosse, et la bouche doit être ouverte démesurément pour atteindre les faces internes d'extrémité des mâchoires ou molaires du fond de la bouche sans toutefois avoir la certitude d'y parvenir.The toothbrushes of the two patent documents above have a configuration that does not allow an easy and complete cleaning of the back part of the teeth because, at the time of brushing, the mouth of the user must open and close with each movement of the brush, and the mouth must be opened disproportionately to reach the internal end faces of the jaws or molars of the bottom of the mouth without having the certainty to achieve it.

Par ailleurs, la brosse de forme concave de la demande de brevet japonais JP 11046862 ne permet pas d'avoir une application correcte sur les faces arrière des dents.Moreover, the concave shaped brush of the Japanese patent application JP 11046862 does not allow to have a correct application on the rear faces of the teeth.

Le modèle d'utilité allemand DE 203 17004 illustre une brosse à dents dont le manche porte à une extrémité un support perpendiculaire au manche portant lui-même à chacune de ses extrémités des doubles brosses pour un brossage des parties avant et arrière des dents. On voit mal comment une telle brosse à dents pourrait permettre un brossage efficace.The German utility model DE 203 17004 illustrates a toothbrush whose handle carries at one end a support perpendicular to the handle bearing itself at each end of the double brushes for brushing the front and rear portions of the teeth. It is unclear how such a toothbrush could allow effective brushing.

Le brevet français FR 574 577 divulgue une brosse à dents qui permet de nettoyer le côté interne de la dentition. La tête portant la brosse forme avec le manche un angle obtus et la brosse est disposée sur le côté interne de la tête.French patent FR 574,577 discloses a toothbrush that cleans the inner side of the dentition. The head carrying the brush forms with the handle an obtuse angle and the brush is disposed on the inner side of the head.

La présente invention vise à remédier à ces inconvénients et à proposer une brosse à dents dont la configuration permet de brosser la partie intérieure sans problème de façon simple et efficace, afin d'empêcher tout dépôt de plaque dentaire, autrement dit d'assurer une hygiène parfaite de la bouche, donc une amélioration de la santé des utilisateurs, diminuant ainsi les problèmes liés au coeur et à la circulation sanguine chez les personnes d'un certain âge.The present invention aims to remedy these drawbacks and to propose a toothbrush whose configuration makes it possible to brush the inner part easily and effectively, in order to prevent any deposit of dental plaque, in other words to ensure hygiene. perfect mouth, thus improving the health of users, thus decreasing the problems related to the heart and blood circulation in the elderly.

A cet effet, il est prévu, selon l'invention, que le brossage de la face arrière des dents de la mâchoire supérieure et de la face arrière des dents de la mâchoire inférieure s'effectuent simultanément dans un mouvement alternatif par deux brosses allongées, par exemple de forme rectangulaire, disposées de façon rapprochée à une extrémité recourbée d'un manche, l'une pour la mâchoire supérieure et l'autre pour la mâchoire inférieure, en vue d'un brossage de l'intérieur des dents qui est bien équilibré entre le haut et le bas de façon naturelle.For this purpose, it is provided according to the invention, that the brushing of the rear face of the teeth of the upper jaw and the rear face of the teeth of the lower jaw are simultaneously performed in reciprocating motion by two elongated brushes, for example of rectangular shape, arranged closely to a curved end of a handle, one for the upper jaw and the other for the lower jaw, in view brushing the inside of the teeth that is well balanced between the top and the bottom in a natural way.

Par ailleurs, la courbe de l'extrémité du manche portant les deux brosses peut être avantageusement choisie pour que les poils des deux brosses s'appliquent perpendiculairement aux faces des dents et assurent un bon brossage de celles-ci, dans un mouvement alternatif, sur toute la longueur de la mâchoire, la brosse à dents étant retournée par l'utilisateur pour passer d'un côté à l'autre de la mâchoire.Furthermore, the curve of the end of the handle carrying the two brushes can be advantageously chosen so that the bristles of the two brushes are applied perpendicularly to the faces of the teeth and ensure a good brushing thereof, in a reciprocating motion, on the entire length of the jaw, the toothbrush being returned by the user to move from one side to the other of the jaw.

La brosse à dents selon l'invention permet donc d'atteindre également du fait de l'ergonomie de son manche les extrémités internes des mâchoires lors de ce mouvement de va-et-vient des deux brosses simultanément, sans mouvement d'ouverture et de fermeture de la mâchoire, celle-ci étant plus ou moins ouverte selon la position des brosses.The toothbrush according to the invention therefore also makes it possible to achieve, because of the ergonomics of its handle, the inner ends of the jaws during this back and forth movement of the two brushes simultaneously, without any movement of opening and closing. closure of the jaw, the latter being more or less open depending on the position of the brushes.

Il est aussi possible d'imprimer un léger mouvement de rotation du manche de la brosse à dents pour obtenir un brossage, de haut en bas et de bas en haut des dents, de la partie interne des dents de la mâchoire.It is also possible to print a slight rotational movement of the handle of the toothbrush to obtain a brushing, from top to bottom and bottom to top of the teeth, the inner part of the teeth of the jaw.

L'ouverture de la bouche est conditionnée par l'épaisseur de la partie courbe de la liaison entre le manche proprement dit et les brosses.The opening of the mouth is conditioned by the thickness of the curved portion of the connection between the handle itself and the brushes.

La présente invention a donc pour objet une brosse à dents comportant un manche allongé et un organe de brossage porté à une extrémité du manche allongé et constitué par un support qui est formé dans le prolongement du manche allongé et qui porte des poils de brosse disposés perpendiculairement audit support, ledit manche étant recourbé dans la région de ladite extrémité et les poils dudit organe de brossage étant orientés du côté concave dudit manche, le support étant élargi de part et d'autre du prolongement du manche, caractérisée en ce que les poils sont disposés sur le support élargi pour former un organe de brossage constitué de deux parties brosses de forme générale allongée, parallèles entre elles, séparées l'une de l'autre le long de leur bordure longitudinale interne, suivant le prolongement du manche, permettant de brosser simultanément, l'une, la face arrière des dents de la mâchoire supérieure, et l'autre, la face arrière des dents de la mâchoire inférieure, avec application des poils des parties brosses perpendiculairement aux faces à brosser.The subject of the present invention is therefore a toothbrush comprising an elongated handle and a brushing member carried at one end of the elongated handle and constituted by a support which is formed in the extension of the elongated handle and which carries bristles arranged perpendicularly said support being bent in the region of said end and the bristles of said brush member being oriented on the concave side of said handle, the support being widened on either side of the extension of the handle, characterized in that the bristles are arranged on the expanded support to form a brushing member consisting of two generally elongated brush-shaped parts, parallel to one another, separated from one another the other along their internal longitudinal border, following the prolongation of the handle, making it possible to brush simultaneously, one, the rear face of the teeth of the upper jaw, and the other, the rear face of the teeth of the lower jaw, with application of the bristles of the brush portions perpendicular to the faces to be brushed.

Les parties brosses peuvent être séparées l'une de l'autre le long de leur bordure longitudinale interne d'une distance de 4 à 7 mm, par exemple de 6 mm.The brush portions may be separated from each other along their inner longitudinal edge by a distance of 4 to 7 mm, for example 6 mm.

Le support peut être de forme plate, prolongeant la région d'extrémité recourbée du manche.The support may be flat in shape, extending the curved end region of the handle.

Le support peut être de forme sensiblement rectangulaire, portant deux parties brosses rectangulaires dont la longueur est orientée selon le prolongement du manche, le support pouvant présenter une bordure transversale d'extrémité libre qui est arrondie.The support may be of substantially rectangular shape, carrying two rectangular brush portions whose length is oriented along the extension of the handle, the support may have a free end transverse border which is rounded.

Les deux parties brosses peuvent être identiques.The two brush parts can be identical.

Selon une variante, les longueurs des poils d'une partie brosse peuvent être telles que la surface contenant les extrémités des poils est plane. Selon une autre variante, les longueurs des poils d'une partie brosse peuvent être telles que la surface contenant les extrémités des poils est de forme convexe. Dans les deux cas, on peut prévoir en outre des touffes de poils plus longues que d'autres pour nettoyer plus efficacement les interstices entre les dents.According to one variant, the lengths of the bristles of a brush portion may be such that the surface containing the ends of the bristles is flat. According to another variant, the lengths of the bristles of a brush portion may be such that the surface containing the ends of the bristles is of convex shape. In either case, tufts of longer hairs may be provided than others to more effectively clean the interstices between the teeth.

La courbure du manche dans la région d'extrémité portant l'organe de brossage peut être telle que la ligne moyenne de la partie principale du manche et la ligne moyenne du support dans le prolongement du manche forment un angle compris entre 25 et 45°, étant notamment de 35°.The curvature of the handle in the end region carrying the brushing member may be such that the line average of the main part of the handle and the middle line of the support in the extension of the handle form an angle of between 25 and 45 °, being in particular 35 °.

Une autre brosse peut être portée à l'extrémité du manche allongé opposée à celle portant les deux parties brosses. Le manche peut être recourbé dans la région d'extrémité portant ladite autre brosse, laquelle est orientée du côté concave dudit manche, les concavités de chacune des deux extrémités dudit manche étant tournées de manière opposée l'une à l'autre. Cette autre brosse peuvent avantageusement être utilisée pour un brossage de la partie apparente des dents, de telle sorte qu'avec la brosse selon l'invention les dents peuvent toutes être brossées entièrement avec une grande efficacité.Another brush may be carried at the end of the elongate handle opposite to that carrying the two brush parts. The handle can be bent in the end region carrying said other brush, which is oriented on the concave side of said handle, the concavities of each of the two ends of said handle being turned oppositely to one another. This other brush can advantageously be used for brushing the visible portion of the teeth, so that with the brush according to the invention the teeth can all be brushed completely with great efficiency.

Pour mieux illustrer l'objet de la présente invention, on va en décrire ci-après le mode de réalisation préféré avec référence aux dessins annexés.To better illustrate the object of the present invention, the preferred embodiment will be described below with reference to the accompanying drawings.

Sur ces dessins,

  • la Figure 1 est une vue de côté d'une brosse à dents selon la présente invention ;
  • la Figure 2 est une vue de face de la brosse à dents de la Figure 1 ;
  • les Figures 3A, 3B et 3C sont des vues de dessus des dents de la mâchoire inférieure, montrant la brosse à dents selon la présente invention étant utilisée pour le brossage de la face interne des dents à gauche (Figure 3A), au centre (Figure 3B) et à droite (Figure 3C) de la mâchoire.
On these drawings,
  • the Figure 1 is a side view of a toothbrush according to the present invention;
  • the Figure 2 is a front view of the toothbrush of the Figure 1 ;
  • the Figures 3A, 3B and 3C are top views of the teeth of the lower jaw, showing the toothbrush according to the present invention being used for brushing the inner face of the teeth on the left ( Figure 3A ), In the center ( Figure 3B ) and on the right ( Figure 3C ) of the jaw.

Si l'on se réfère aux Figures 1 et 2, on peut voir que l'on a représenté une brosse à dents comportant un manche 1 à une extrémité duquel est formé un support 2 pour deux brosses 21 et 22, un support 3 pour une brosse 31 étant formé à l'autre extrémité.If we refer to Figures 1 and 2 it can be seen that there is shown a toothbrush having a handle 1 at one end of which is formed a support 2 for two brushes 21 and 22, a support 3 for a brush 31 being formed at the other end.

Le manche 1 comporte une partie centrale allongée la, cylindrique, légèrement renflée en son centre et ayant une surface externe dans laquelle sont pratiquées des stries en vue de faciliter la préhension du manche.The handle 1 has an elongated central portion 1a, cylindrical, slightly bulged at its center and having an outer surface in which are made ridges to facilitate gripping the handle.

La partie centrale 1a se prolonge, à une extrémité, par une partie incurvée 1b se terminant par le support 2 des brosses 21 et 22, et, à son autre extrémité, par une partie incurvée 1c, se terminant par le support 3 de la brosse 31.The central portion 1a is extended at one end by a curved part 1b ending with the support 2 of the brushes 21 and 22, and at its other end by a curved portion 1 c, ending in the support 3 of the brush 31.

La partie incurvée 1b prolonge directement la partie 1a et est en forme d'élément allongé aplati se raccordant à la partie 1a par une zone évasée suivant le profil vu en Figure 2 et se prolongeant, à son extrémité libre, par un élément plat de part et d'autre de l'élément allongé aplati, lequel élément plat forme le support 2 des deux brosses 21 et 22.The curved portion 1b extends directly the portion 1a and is shaped flat elongated member being connected to the part 1 has a widened region according to the profile seen in Figure 2 and extending, at its free end, by a flat element on either side of the elongate flattened element, which flat element forms the support 2 of the two brushes 21 and 22.

La courbure de la partie 1b est telle que la ligne moyenne de la partie 1a et la ligne moyenne du support 2 dans le prolongement du manche 1 forment un angle de l'ordre de 35°.The curvature of the portion 1b is such that the average line of the portion 1a and the center line of the support 2 in the extension of the handle 1 form an angle of about 35 °.

La partie 1c, généralement plate, est également une partie incurvée mais dirigée de l'autre côté du manche 1 par rapport à la partie 1b. Elle se raccorde à la partie 1a suivant une bifurcation de telle sorte que l'extrémité libre du support de brosse 3 formé par un élargissement de la partie 1c se situe sensiblement dans l'axe de la partie 1a.The part 1c , generally flat, is also a curved part but directed on the other side of the handle 1 with respect to the part 1b . It is connected to the part 1 to a bifurcation so that the free end of the brush holder 3 formed by an enlargement of the part 1 c is located substantially in the axis of the part 1 a .

Comme on peut le voir sur la Figure 2, le support 2 présente une bordure libre arrondie, ce qui évite que l'utilisateur ne se blesse lorsqu'il introduit la brosse à dents dans la bouche.As can be seen on the Figure 2 , the support 2 has a rounded free edge, which prevents the user from getting injured when he introduces the toothbrush into the mouth.

Le manche 1 et les supports de brosse 2 et 3 sont avantageusement formés d'un seul tenant par moulage.The handle 1 and the brush supports 2 and 3 are advantageously formed in one piece by molding.

Les brosses 21, 22 et 31 sont des brosses classiques de forme allongée, rectangulaire, orientée dans le prolongement du manche 1, leurs poils étant implantés perpendiculairement à leurs supports respectifs.The brushes 21, 22 and 31 are conventional brushes of elongated rectangular shape, oriented in the extension of the handle 1, their bristles being implanted perpendicular to their respective supports.

Dans l'exemple représenté sur le dessin, la surface extérieure des poils des brosses 21 et 22 est convexe (Figure 1), celle des poils de la brosse 31 étant plane.In the example shown in the drawing, the outer surface of the bristles of the brushes 21 and 22 is convex ( Figure 1 ), that of the bristles of the brush 31 being flat.

Les deux brosses 21 et 22 sont séparées le long de leurs bordures longitudinales en regard par une distance de l'ordre de 6 mm, la largeur du support 2 étant telle que les brosses 21 et 22 sont susceptibles de s'appliquer simultanément sur les parties intérieures des mâchoires supérieure et inférieure.The two brushes 21 and 22 are separated along their opposite longitudinal edges by a distance of the order of 6 mm, the width of the support 2 being such that the brushes 21 and 22 may apply simultaneously to the parts. inside the upper and lower jaws.

Les Figures 3A à 3C montrent la position des brosses 21 (et donc 22) lors du brossage de la partie arrière des dents. On peut donc bien voir que la forme courbe de la région d'extrémité 1b permet de brosser simultanément, sans difficultés, les parties arrière des mâchoires supérieure et inférieure avec une pression identique grâce aux deux parties brosses 21 et 22 appliquées perpendiculairement ou sensiblement perpendiculairement aux surfaces à brosser et se déplaçant en va-et-vient suivant la courbe des mâchoires. La bouche peut rester relativement fermée pendant le brossage, une fois les brosses appliquées contre les surfaces à brosser. Ceci contribue à assurer un brossage complet des faces arrière des dents, ce qui n'est pas possible avec l'emploi d'une seule brosse.The Figures 3A to 3C show the position of the brushes 21 (and therefore 22) when brushing the rear portion of the teeth. It can thus be clearly seen that the curved shape of the end region 1b makes it possible to simultaneously brush, without difficulty, the rear portions of the upper and lower jaws with identical pressure thanks to the two brush portions 21 and 22 applied perpendicularly or substantially perpendicularly. the surfaces to be brushed and moving back and forth according to the curve of the jaws. The mouth can remain relatively closed during brushing, once the brushes are applied against the surfaces to be brushed. This helps to ensure complete brushing of the faces back of teeth, which is not possible with the use of a single brush.

Pour passer d'un côté à l'autre de la bouche, il suffit à l'utilisateur de retourner la brosse à dents (voir Figure 3C).To pass from one side to the other of the mouth, it is enough for the user to return the toothbrush (see Figure 3C ).

La forme convexe de la surface des poils des parties brosses 21 et 22, avec des poils plus longs au centre et plus courts aux extrémités, permet d'épouser la forme des mâchoires au moins dans leur partie centrale (Figure 3B).The convex shape of the surface of the bristles of the brush portions 21 and 22, with bristles longer in the center and shorter at the ends, makes it possible to match the shape of the jaws at least in their central part ( Figure 3B ).

On pourrait également prévoir une forme classique plane de la surface des poils des parties brosses 21 et 22, comme c'est le cas de la brosse 31 représentée sur le dessin, laquelle sert au brossage classique de la partie avant des dents.One could also provide a conventional flat shape of the bristle surface of the brush portions 21 and 22, as is the case of the brush 31 shown in the drawing, which is used for conventional brushing of the front portion of the teeth.

La brosse à dents ainsi représentée permet donc de procurer ainsi une hygiène buccale parfaite.The toothbrush thus shown thus provides a perfect oral hygiene.

Il et bien entendu que le mode de réalisation qui vient d'être décrit avec référence aux dessins annexés a été donné à titre indicatif et non limitatif et que des modifications peuvent y être apportées sans sortir pour autant du cadre de la présente invention.It and of course that the embodiment which has just been described with reference to the accompanying drawings has been given as an indication and not limitation and that modifications can be made without departing from the scope of the present invention.

Claims (10)

  1. A toothbrush including an elongate handle (1) and a brushing member supported at one end of the elongate handle (1) and made up of a support (2) that is formed in the extension of the elongate handle (1) and that bears brush bristles arranged perpendicular to said support (2), said handle (1) being curved in the region (1b) of said end and the bristles of said brushing member being oriented on the concave side of said handle (1), the support (2) being wider on either side of the extension of the handle (1), characterized in that the bristles are arranged on the wider support to form a brushing member made up of two brush parts (21-22) with an elongate general shape, parallel to one another, separated from one another along their inner longitudinal border, following the extension of the handle (1), making it possible to brush simultaneously, for one, the rear face of the teeth of the upper jaw, and for the other, the rear face of the teeth of the lower jaw, with application of the bristles of the brush parts (21-22) perpendicular to the faces to be brushed.
  2. The toothbrush according to claim 1, characterized in that the brush parts (21-22) are separated from one another along their inner longitudinal border by a distance of 4 to 7 mm.
  3. The toothbrush according to one of claims 1 and 2, characterized in that the support has a flat shape, extending the curved end region (1b) of the handle (1).
  4. The toothbrush according to one of claims 1 to 3, characterized in that the support (2) has a substantially rectangular shape, bearing two rectangular brush parts (21-22), the length of which is oriented in the extension of the handle, the support being able to have a free transverse end border that is rounded.
  5. The toothbrush according to one of claims 1 to 4, characterized in that the two brush parts (21-22) are identical.
  6. The toothbrush according to one of claims 1 to 5, characterized in that the lengths of the bristles of a brush part (21; 22) are such that the surface containing the ends of the bristles is planar.
  7. The toothbrush according to one of claims 1 to 5, characterized in that the lengths of the bristles of a brush part (21; 22) are such that the surface containing the ends of the bristles is convex.
  8. The toothbrush according to one of claims 1 to 7, characterized in that the curvature of the handle (1) in the end region bearing the brushing member is such that the midline of the main part of the handle (1) and the midline of the support (2) in the extension of the handle form an angle of between 25 and 45°, in particular of 35°.
  9. The toothbrush according to one of claims 1 to 8, characterized in that another brush (31) is borne at the end of the elongate handle (1) opposite that bearing the two brush parts (21-22).
  10. The toothbrush according to claim 9, characterized in that the handle (1) is curved in the end region (1c) bearing said other brush (31), which is oriented on the concave side of said handle (1), the concavities of each of the two ends (1b-1c) of said handle (1) being turned opposite one another.
EP12810357.9A 2011-12-06 2012-12-06 Toothbrush allowing the rear faces of the teeth to be cleaned Not-in-force EP2787858B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1161192A FR2983391B1 (en) 2011-12-06 2011-12-06 TOOTHBRUSH FOR CLEANING THE BACK FACES OF TEETH
PCT/FR2012/052818 WO2013083922A1 (en) 2011-12-06 2012-12-06 Toothbrush allowing the rear faces of the teeth to be cleaned

Publications (2)

Publication Number Publication Date
EP2787858A1 EP2787858A1 (en) 2014-10-15
EP2787858B1 true EP2787858B1 (en) 2019-03-27

Family

ID=47505221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12810357.9A Not-in-force EP2787858B1 (en) 2011-12-06 2012-12-06 Toothbrush allowing the rear faces of the teeth to be cleaned

Country Status (5)

Country Link
EP (1) EP2787858B1 (en)
CN (1) CN104093336A (en)
FR (1) FR2983391B1 (en)
TR (1) TR201909554T4 (en)
WO (1) WO2013083922A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE451111C (en) * 1927-10-18 Eugen Guens Toothbrush
FR574577A (en) * 1923-12-17 1924-07-16 Toothbrush
DE920904C (en) * 1951-07-15 1955-09-05 Anton Dr Med Bruehl Double toothbrush
US4150457A (en) * 1977-09-26 1979-04-24 Larson David F Toothbrush
DE2847261C2 (en) * 1978-10-31 1985-08-22 Josef Dr. 8960 Kempten Dolinsky toothbrush
JPH02243105A (en) * 1989-03-16 1990-09-27 Shigekatsu Sakurai W toothbrush
JPH1146862A (en) * 1997-07-14 1999-02-23 建揚 ▲リュウ▼ Back tooth brush
CN2343875Y (en) * 1997-09-30 1999-10-20 武海东 H type double groove toothbrush
US6286173B1 (en) * 1999-09-30 2001-09-11 Nick Walter Alcantara Briones 2-head toothbrush with surehold
CN2572827Y (en) * 2002-09-16 2003-09-17 黄天玲 Two-end T-toothbrush
US20040177463A1 (en) * 2003-03-10 2004-09-16 Yugen Gaisha Bonika Toothbrush with a laterally oriented head
DE20317004U1 (en) * 2003-11-05 2004-02-12 Meuser, Walter, Dr. Toothbrush for simultaneously cleaning the front and rear sides of the teeth of the upper and lower jaw comprises a handle and a bristle support having bristles facing toward and away from the handle
CN201178789Y (en) 2008-04-11 2009-01-14 王斌 Toothbrush capable of cleaning inside and outside of teeth

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR2983391B1 (en) 2013-11-29
EP2787858A1 (en) 2014-10-15
FR2983391A1 (en) 2013-06-07
TR201909554T4 (en) 2019-07-22
CN104093336A (en) 2014-10-08
WO2013083922A1 (en) 2013-06-13

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