CN104093336A

CN104093336A - Toothbrush allowing the rear faces of the teeth to be cleaned

Info

Publication number: CN104093336A
Application number: CN201280069183.1A
Authority: CN
Inventors: 雷蒙德·贝克特
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-06
Filing date: 2012-12-06
Publication date: 2014-10-08
Also published as: EP2787858A1; EP2787858B1; FR2983391A1; TR201909554T4; FR2983391B1; WO2013083922A1

Abstract

This toothbrush comprises an elongate handle (1) and a brushing member borne at one end of the elongate handle and consisting of a support which is formed in the continuation of the elongate handle and bears brush bristles arranged perpendicular to said support, said handle being curved (1b) in the region of said end and the bristles of said brushing member being oriented on the concave side of said handle. The support (2) is widened on each side of the continuation of the handle (1) and the bristles are arranged on the widened support to form a brushing member made up of two brush parts (21-22) of the elongate overall shape which are parallel to one another and separated from one another along their internal longitudinal edge, in the direction of the continuation of the handle (1), allowing the rear faces of the teeth of the upper and lower jaws to be brushed simultaneously with the bristles of the brush parts (21-22) applied at right angles to the faces that are to be brushed.

Description

Can the brush teeth toothbrush of rear flank

The present invention relates to a kind of toothbrush, especially relate to a kind of toothbrush of the tooth back side of can be used for brushing teeth maxilla and lower jaw.

In fact, a mistake brush teeth or local brushing teeth can cause dental problems.

Particularly, the object that uses toothbrush to brush teeth is to remove the bacterial plaque that swill forms at mealtime.Lasting patch makes tooth flavescence, gum swelling, hemorrhage, and in the long run, patch can be grown at sensitive individual.By solidifying under the mineral salt effect containing in saliva, the conversion of bacterial plaque dental calculus can make the loosening of tooth.In addition, bacterium utilizes the carbohydrate of patch to produce carious tooth acid.In addition, bacterial plaque and not removed swill fermentation can cause halitosis.

Traditional toothbrush comprises that one is arranged on the brush of straight handle end, and the bristle of brush has the shape of a rectangle, and its length is to extend and arrange according to the medium line of long handle.

But these traditional toothbrushes do not allow the back side of tooth to scrub, this is because the rectangular configuration of flat and elongated bristle causes.In fact, the shape of this hairbrush is not suitable with the region of the back side bending of tooth.

In order to improve and to be beneficial to, the back side of tooth is scrubbed, developed different toothbrushes.

Chinese patent application CN 2,011 78 789 discloses a kind of toothbrush, comprise long handle, its one end with traditional brush and the other end be 45 ° flexible, according to a specific embodiment, be divided into two brachyplasts, and perpendicular to long handle, in its both sides, these brachyplasts are inwardly brushed, and this is the back side for the tooth of brushing teeth.But, be difficult to see that such configuration can easily reach the rear portion of tooth.

United States Patent (USP) 4150457 discloses a kind of toothbrush, comprises a long handle, its bending two ends, and each ending segment has a flat hair brushing part to point to corresponding recessed side circle brush, to allow the brush teeth specific region of tooth of each bristle.

Japanese patent application JP 11046862 toothbrushes, disclose long handle, have slightly bending one end, and it has traditional rectangular brush and more bending the second protruding row brush at its other end.

To the toothbrush of above-mentioned two kinds of patent documentations due to structure do not allow one simple and complete the tooth back side is scrubbed, in the time brushing teeth, user's oral area in the time of each action of brush must open and close, oral area must be opened and reach chin or the inner face of holding of grinding one's teeth in sleep, but can not determine whether to reach.

In addition,, according to Japanese patent application JP 11046862, the concave shape of toothbrush can not be scrubbed the back side of tooth.

German utility model 203 17004 shows a toothbrush, supports one end of support of long handle perpendicular to long handle, the brush at the two ends of the latter's support itself, the tooth of brushing teeth below with above.Be difficult to find out that this toothbrush can effectively brush teeth.

The object of the invention is in order to eliminate these shortcomings, and provide a toothbrush, its structure allows to scrub in simple and effective mode without any problem in the situation that, to prevent dental plaque, in other words, to guarantee perfect oral hygiene, guarantee the problem of the improvement of user health, thereby reduce old human heart and blood relevant issues.

For this reason, predictably, according to the present invention, the reciprocating motion that carry out simultaneously at the back side of the mandibular teeth at the tooth back side to maxilla while making to brush teeth by two brushes with rectangular shape, this brush is placed in a curved end of long handle, one for maxilla, and another is for lower jaw, thereby can be equilibrated at scrubbing of tooth inside in natural mode.

In addition, the curve of long handle end can be supported two brushes, thereby the hairbrush of two brushes can be vertically applied to tooth face, and guarantees good scrubbing.In a reciprocating motion, along the length of whole chin, user goes to another side by toothbrush from one side.

Therefore, can reach and in maxilla and lower jaw, move back and forth according to toothbrush of the present invention, it can finish, and not need to open and close chin based on ergonomics simultaneously in jaw portion simultaneously.

Also can introduce the long handle of the toothbrush of a slight rotation, from top to bottom with from bottom to top to tooth, and the inner face of the tooth of lower jaw is scrubbed.

The opening of mouth is to be determined by the bending thickness of the connection between long handle and brush.

Therefore, purport of the present invention is to provide a kind of toothbrush, comprise the brush element an of long handle and the one end at long handle, and be formed on the support of extension of long handle and bristle perpendicular to described support), described long handle is bending in the region of described end, the bristle of described brush element is towards the concave side of described long handle, it is characterized in that, support has and widens in the both sides of long handle, and on the support of having widened described in bristle is arranged on, thereby form a brush element being formed by brush device, described brush device has a long shape, described support is between institute's brush device and parallel with them, described brush device is opened along the extension component of longitudinal edge in it and long handle, makes a brush brush the back side of the tooth of jaw, and another brush brushes the tooth back side of lower jaw simultaneously, and when use, the bristle of brush device is perpendicular to the face of being brushed.

Described brush component is separated from each other along longitudinal edge in it, and the distance of this interior longitudinal edge is 4 millimeters to 7 millimeters, for example 6 millimeters.

This support has a flat shape, and this support extends the bending end regions of long handle.

Described support has the shape of rectangle roughly, and supports the brush device of two rectangles, and the length of described brush device is put to extension along long handle, and this support can provide a circular free end widthwise edge.

Two brush devices are identical.

According to another embodiment, the surface of the bristle of brush device is flat.According to another embodiment, the surface of the bristle of brush device is protruding shape.In both of these case, thus bristle can be longer can more effective cleaning in interdental gap.

The curvature of described long handle in the end of supporting brush device is according to following requirement, the angle that the median line of the median line of the critical piece of long handle and the described support that extends on long handle forms between 25 to 45 °, preferably 35 °.

Another brush is in the end of the long handle in the face of supporting brush device (21-22).Described long handle is bending at the end regions place that supports described another brush, and described another brush is towards the concave side of described long handle, the both ends of the surface opposite of described long handle.

In order better to describe object of the present invention, be described below in conjunction with drawings and Examples.

In the accompanying drawings:

Fig. 1 is according to the side schematic view of a toothbrush of the present invention;

Fig. 2 is the front view of the toothbrush of Fig. 1;

Fig. 3 a, 3b and 3c are the top views of the tooth of lower jaw, show and use in the inside of the left side of jaw portion tooth (Fig. 3 A) according to toothbrush of the present invention, (Fig. 3 is b) and (Fig. 3 is c) on right side at middle part.

See figures.1.and.2, a toothbrush has been shown, comprise a long handle 1, there is a support 2 its end, and this support is made up of two brushes 21 and 22, and in the other end, a support 3 for brush 31.

Long handle 1 is cylindrical, and long central unit 1a, expands a little at middle part, and having a striped at outer surface is the gripping for the ease of long handle.

Central unit 1a at one end extends to the support 2 of brush 21 and 22 by a bending part 1b, at the other end, extended to the support 3 of this brush 31 by a bending part 1c.

This bending part 1b directly extends to parts 1a, and the flat elongate elements that is shaped as of parts 1b is connected and extends with the parts 1 of your hatch region in Fig. 2.At a free end, the flat part by the two ends of flat long member, flat element forms the support 2 of described bristle 21 and 22.

The curvature of these parts 1b is such, and the angle of the extension line of the center line of these parts 1a and the center line of support 2 is about 35 °.

These parts 1c, normally flat, be also a bending part, but be directed at the another side of long handle 1 with respect to parts 1b.It is connected to parts 1a, thereby the free end of brush support 3 is positioned at the axle of parts 1a.

In Fig. 2, can see, support 2 has shown a circular free margins, thereby prevents that user from injuring oneself in the time that his/her toothbrush is put in the mouth.

Long handle 1 and brush support 2 and 3 are integrated shapes.

Brush 21,22 and 31 is traditional long rectangular shapes, and towards the extension line of long handle 1, its bristle is set to the support perpendicular to separately.

Example explanation on drawing, the outer surface of the bristle of brush 21 and 22 is protruding (Fig. 1), the surface of the bristle of brush 31 is flat.

Two brushes 21 with 22 each other along approximately 6 millimeters of the distances of relative longitudinal edge, the width of support 2 is to make brush 21 and 22 can be used in the upper jaw and the lower jaw simultaneously.

Fig. 3 a has shown the brush 21(and 22 in the time brushing teeth the back side of tooth to 3c).Therefore, the shape of the curved surface of end regions 1b is to allow brush to brush without any difficult in the situation that simultaneously.The rear portion of maxilla and lower jaw has an identical pressure, its by brush device 21 with 22 by the vertical or substantially vertical surface to be brushed that is applied to, and according to reciprocal the scrubbing of curvature of chin.

In the time brushing teeth, mouth keeps closing substantially, waits to brush surperficial reverse side once brush has been applied to.This contributes to guarantee scrubbing of the complete back side to tooth, and this can not only realize with a brush.

At the another side of mouth, user turns toothbrush (to see Fig. 3 c).

The bristle surface of brush device 21 and 22 can be convex, and bristle can be longer shorter at two ends in centre, and to allow toothbrush, at least in the shape of the mid portion adding, (Fig. 3 uses in b).

The surface of the hairbrush of parts 21 and 22 can be traditional flat pattern, thus on the way brush word 31 be useful for the front portion of the tooth of brushing teeth.

This toothbrush provides a perfect oral hygiene scheme.

Embodiment has been described with reference to the drawings information, but the present invention is not limited in this embodiment, can not depart from protection scope of the present invention to the variation of invention.

Claims

1. a toothbrush, comprise the brush element an of long handle (1) and the one end at long handle (1), and be formed on the support (2) of extension of long handle (1) and bristle perpendicular to described support (2), described long handle (1) is bending in (1b) region of described end, the bristle of described brush element is towards the concave side of described long handle (1), it is characterized in that, support (2) has and widens in the both sides of long handle (1), and on the support of having widened described in bristle is arranged on, thereby form a brush element being formed by brush device (21-22), described brush device has a long shape, described support is between institute's brush device and parallel with them, described brush device is opened along the extension component of longitudinal edge in it and long handle, makes a brush brush the back side of the tooth of jaw, and another brush brushes the tooth back side of lower jaw simultaneously, and when use, the bristle of brush device is perpendicular to the face of being brushed.

2. toothbrush according to claim 1, is characterized in that, described brush component (21-22) is separated from each other along longitudinal edge in it, and the distance of this interior longitudinal edge is 4 millimeters to 7 millimeters.

3. according to the toothbrush described in claim 1 and 2, it is characterized in that, this support has a flat shape, and this support extends the bending end regions (1b) of long handle (1).

4. according to the toothbrush described in any one claim 1 to 3, it is characterized in that, described support (2) has the shape of rectangle roughly, and support the brush device (21-22) of two rectangles, the length of described brush device is put to extension along long handle, and this support can provide a circular free end widthwise edge.

5. according to the toothbrush described in any one claim 1 to 4, it is characterized in that, two brush devices (21-22) are identical.

6. according to the toothbrush described in any one claim 1 to 5, it is characterized in that brush device (21; 22) surface of bristle is flat.

7. according to the toothbrush described in any one power claim 1 to 6, it is characterized in that brush device (21; 22) surface of bristle is protruding shape.

8. according to the described toothbrush of any one claim 1 to 7, it is characterized in that, the curvature of described long handle (1) in the end of supporting brush device is according to following requirement, the angle that the median line of the median line of the critical piece of long handle (1) and the described support (2) that extends on long handle forms between 25 to 45 °, preferably 35 °.

9. according to the described toothbrush of any one claim 1 to 8, it is characterized in that, another end of the long handle (1) of another brush (31), this end faces brush device (21-22).

10. toothbrush according to claim 9, it is characterized in that, it is bending that described long handle (1) is located at the end regions (1c) that supports described another brush (31), and described another brush is towards the concave side of described long handle (1), and the two ends (1b-1c) of described long handle (1) are face-to-face.