JP2002262941A - Toothbrush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safe toothbrush which does not harm a tooth, the gingiva, and the intraoral membrane. SOLUTION: Each filament in the brush part of this toothbrush is made a loop shape to form a round tip end 21b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush (including an interdental brush).

[0002]

2. Description of the Related Art A conventional ordinary toothbrush has a plurality of pin-shaped filaments implanted in a head portion. When this is used, a tooth surface, a gingiva or a gingival pocket or the like is held at the tip of the filament. to clean up.

[0003] By the way, various brushing methods that have been conventionally recommended (for example, a scraping method, a bath method,
The Stilman method) is a very good brushing method to master them, but not many people are proficient in them.

[0004] On the other hand, there are infants and persons with intellectual disabilities among those who use the toothbrush, but these people may not be able to use the toothbrush properly (for example, an infant who bites the toothbrush may not be able to use the toothbrush). Some people with intellectual disabilities rubbing the tongue or oral membrane), and in some cases, the gingival, oral membrane or tongue can be damaged by the toothbrush tip of the toothbrush.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a toothbrush which can be safely and effectively brushed even by an infant or a person with a mental retardation. It is intended to do so.

[0006]

Means for Solving the Problems A toothbrush according to the present invention comprises:
It is the same as the conventional one that the handle and the brush part are included, but the feature of the present invention is that, in the conventional toothbrush, the brush part is formed by a large number of pin-shaped filaments, instead of the filament part. In the form of a loop.

[0007] As the filament material, filaments of any material such as nylon, polyester, polyolefin and other resin filaments as well as filaments of any material such as natural bristle material can be used. .

Next, the form of the loop will be described.
Since there are various types of loops in the present invention, an example will be described below with reference to the drawings.

[0009]

FIG. 1 shows a first embodiment of the present invention. In this embodiment, a brush portion 2 composed of a large number of filaments 21, 21,... Formed in a tapered loop is provided on a head portion 11 of a handle 1 of a toothbrush.

In the first embodiment, the distance between the bases 21a, 21a of each loop-shaped filament 21 is wide, and the top 21b is pointed. However, unlike the pin-shaped filament in the conventional toothbrush, the top 21b is different. The contact pressure on the teeth, gums, or oral lining of the mouth is reduced.

FIG. 2 shows a second embodiment of the present invention. In this embodiment, the base portions 21a, 21a of each loop-shaped filament 21 are brought close to each other, and the head portion 11 is planted, and the intermediate portions 21c, 21c are inflated.
The top 21b is rounded. This way,
The contact pressure of the loop-shaped filament 21 against the teeth, gums or oral membrane can be made softer. Each loop-shaped filament 21 is oriented in a direction orthogonal to the longitudinal direction of the head 11 of the handle 1.

FIG. 3 shows a third embodiment of the present invention. In this embodiment, the head 11 of the handle 1
A brush portion 2 similar to that shown in FIG.

FIG. 4 shows a fourth embodiment of the present invention. In this embodiment, the head 11 of the handle 1
2 differs from that in the embodiment of FIG. 2 by 90 ° (facing in the same direction as the longitudinal direction of the head portion 11).

FIG. 5 shows a fifth embodiment of the present invention. This embodiment is a combination of the embodiment of FIG. 2 and the embodiment of FIG. 4, and includes a loop filament group 2A orthogonal to the longitudinal direction of the head 11 of the handle 1.
And a loop filament group 2B parallel to the longitudinal direction of the head portion 11 are implanted.

FIG. 6 shows a sixth embodiment of the present invention. In this embodiment, a large number of loop-shaped filaments 21 are provided on the outer peripheral surface of the head 11 of the round bar-shaped handle 1.
21 are implanted (a thinner one is an interdental brush).

FIG. 7 shows a seventh embodiment of the present invention. In this embodiment, each loop-shaped filament 21 is twisted into a rod-like body and implanted in the head portion 11 of the handle 1. By twisting the filament like this,
It has the advantage that the hairs are strong and yet the rounded top 21b softens the contact with the teeth, gingiva or oral membrane. The degree of the twist can be freely set, for example, from one twist to 20 twists.

FIG. 8 shows a combination of the embodiment of FIG. 2, the embodiment of FIG. 4, and the embodiment of FIG.
, A loop-shaped filament group 2A perpendicular to the longitudinal direction of the head portion 11 of the handle 1, a loop-shaped filament group 2B parallel to the longitudinal direction of the head portion 11 of the handle 1, and a twisted filament 2C.
And are planted.

As shown in FIG. 9, the cross section of each filament has an appropriate shape such as (a) a circle, (b) a triangle, (c) a square, (d) a regular pentagon, and (e) a regular hexagon. can do. It is also possible to combine filaments having various cross sections. In the case of the filament (a) (circular cross section), the contact with the teeth, gingiva or oral membrane is soft, and in the case of the polygon cross section as in (b) to (e), the plaque removing effect is low. Each has the advantage of being large.

As shown in FIGS. 10 (a), (b), (c) and (d), each filament 21 may be made thinner in the middle of the filament (reference numeral 21d) or thicker in the opposite direction. (21e), a wave shape (21f), or a wart (21g) can be formed.

The head portion 11 of the brush may be formed in a suitable shape such as a flat bar shape, a round bar shape or a spherical shape.

[0021]

As described above, in the toothbrush of the present invention, the tip 21b of each loop-shaped filament 21 is rounded, so that the tip of the pin-shaped filament as in a conventional toothbrush has teeth, gingiva or oral membrane. It does not hurt.

The toothbrush of the present invention has the following advantages in addition to the above.

(A) Since the safety is high, even an infant with weak judgment or a person with intellectual disability can use it with confidence.

(B) Since the toothbrush of the present invention does not damage teeth or gums, the toothbrush can be used safely even by a person who is treating teeth.

(C) By changing the form of the loop or the degree of twisting, it is possible to provide a custom-made toothbrush corresponding to each age group. In addition, a toothbrush having appropriate hardness can be provided to a person undergoing dental treatment or a person with periodontal disease.

[Brief description of the drawings]

FIG. 1 is a perspective view of a brush part of a toothbrush according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a brush part of a toothbrush according to a second embodiment of the present invention.

FIG. 3 is a perspective view of a brush part of a toothbrush according to a third embodiment of the present invention.

FIG. 4 is a perspective view of a brush part of a toothbrush according to a fourth embodiment of the present invention.

FIG. 5 is a perspective view of a brush part of a toothbrush according to a fifth embodiment of the present invention.

FIG. 6 is a perspective view of a brush part of a toothbrush according to a sixth embodiment of the present invention.

FIG. 7 is a perspective view of a brush part of a toothbrush according to a seventh embodiment of the present invention.

FIG. 8 is a perspective view of a brush part of a toothbrush according to an eighth embodiment of the present invention.

FIG. 9 is an illustration of a cross-sectional shape of a filament used in the toothbrush of the present invention.

FIG. 10 is an exemplary view of the shape of a filament used in the toothbrush of the present invention.

[Explanation of symbols]

1 is a handle, 2 is a brush part, 11 is a head part, and 21 is a loop filament.

Claims (1)

[Claims] 1. A toothbrush characterized in that a brush portion (2) comprising a large number of filaments having a looped tip portion is formed on a head portion (11) of a handle (1).