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WO2001012012A1 - Brosse interdentaire et ensemble de brosse interdentaire - Google Patents

Brosse interdentaire et ensemble de brosse interdentaire Download PDF

Info

Publication number
WO2001012012A1
WO2001012012A1 PCT/JP2000/005478 JP0005478W WO0112012A1 WO 2001012012 A1 WO2001012012 A1 WO 2001012012A1 JP 0005478 W JP0005478 W JP 0005478W WO 0112012 A1 WO0112012 A1 WO 0112012A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush
interdental
handle
fitting groove
neck
Prior art date
Application number
PCT/JP2000/005478
Other languages
English (en)
Japanese (ja)
Inventor
Takeshi Hirakawa
Original Assignee
Asahi Brush Kabushiki Kaisha
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 Asahi Brush Kabushiki Kaisha filed Critical Asahi Brush Kabushiki Kaisha
Priority to AU65931/00A priority Critical patent/AU6593100A/en
Publication of WO2001012012A1 publication Critical patent/WO2001012012A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • 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
    • 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 present invention relates to an interdental brush used for removing food residues and plaque remaining between teeth, and more particularly to an interdental brush whose brush portion can be replaced.
  • toothbrushes have been widely used as sanitary devices for maintaining cleanliness in the oral cavity.
  • toothbrushes are suitable for cleaning the surface of teeth, they have a problem in removing food residues and the like between teeth, which has been one of the causes of tooth decay.
  • dental floss As a method of cleaning between such teeth, there are a thin and durable thread called so-called dental floss, and an interdental brush in which brush hair is sandwiched between thin metal wires.
  • Denkle Floss is very suitable for cleaning between teeth if it is proficient in its operation, but it has the problems that it takes time to learn and that the thread is relatively easy to cut.
  • the interdental brush which is used by inserting this point brush portion into the space between the teeth, is easy to use and widely used.
  • FIG. 5 shows an example in which the length direction of the brush holding portion is parallel to the axial direction of the brush (Japanese Patent Application Laid-Open Nos. Hei 4-224805 and Hei 6-70812).
  • the brush filament is cut or worn, and the metal wire sandwiching the filament is bent or twisted. The wear was so great that the brush had to be discarded after several uses, and the handle had to be discarded at the same time.
  • the handle part other than the brush part is in a state where it can be further used, and an interdental brush that can replace only the brush part has already been proposed due to demands for resource saving and cost reduction.
  • FIG. 6 shows an example of such an interdental brush in which the brush portion can be exchanged, in which the length direction of the brush holding portion and the axial direction of the brush are substantially perpendicular to each other.
  • an interdental brush having a replaceable brush portion there is an interdental brush of the type shown in FIG. 7 (JP-A-59-232506).
  • This tooth brush is made of folded metal
  • the filament was twisted between the wires to form a brush 42, one end of the wire was fixed to the shaft 40, the other end was provided with a cylindrical portion 43, and the shaft was provided in the longitudinal direction of the tip of the handle.
  • Mounting hole 4 Insert it into 4 for use. When replacing the brush part, pull out the brush part and insert another brush part into the mounting hole to replace it.
  • the brush replacement operation tends to be complicated in order to prevent the brush portion from coming off during use.
  • the grip portion is extended substantially in the axial direction of the brush. If it is provided, it is difficult to insert it into the oral cavity as it is.In particular, in cleaning between molar teeth, operability is poor, and it is necessary to bend the brush shaft, etc. It had lost its durability. Also, when setting the brush part, the finger often touches the brush, which tends to soil the brush and impair its cleanliness. In addition, when replacing the brush after use, the user had to touch the brush that had been soiled with plaque, which tended to stain his fingers.
  • the size of the brush becomes large or complicated to strengthen the brush mounting part of the handle in order to prevent the brush part from coming off during use. In addition, it irritated the oral cavity and caused a large foreign body sensation. Disclosure of the invention
  • the present invention aims to provide an interdental brush that is particularly easy to clean between molar teeth and does not come off during brushing. Do not touch the brush without touching the brush, so that the brush does not impair the cleanliness of the brush due to contact with the finger, and do not stain the finger with plaque adhering to the brush when disposing of the brush.
  • the aim is to provide a brush between the.
  • the present invention is an interdental brush having a brush part and a handle part, the brush part being replaceable, wherein the brush part has a plane disposed at an angle of 70 ° to 110 ° with respect to the brush axial direction.
  • a toothed portion having a fitting groove having a brush holding portion at one end thereof, the tooth portion comprising a toothbrush and a brush storage container having a replaceable brush portion.
  • An inter-brush set wherein the inter-dental brush comprises a brush portion and a handle portion, and the brush portion has a fitting groove having a plane disposed at an angle of 70 ° to 110 ° with respect to the brush axial direction.
  • the brush storage container includes a plurality of replacement brush portions, and a neck insertion groove.
  • An inter-tooth brush set having a brush storage chamber and a brush release chamber for supporting and storing the neck, wherein the width of the neck insertion groove of the brush storage chamber is larger than the short diameter of the neck and smaller than the long diameter.
  • the interdental brush of the present invention includes a brush portion and a handle portion, and the brush portion includes a flat surface 15 disposed at an angle of 70 ° to 110 ° with respect to the brush axial direction. It has a groove 14.
  • the fitting groove has the flat surface 15
  • the flat surface 15 fits tightly with the flat surface 25 of the handle portion 20 on the brush holding portion side without a gap when the fitting groove is fitted to the handle portion. To prevent rattling between the handle 20 and the brush 10 during use.
  • the two planes 15 and 25 are respectively separated from the handle of the brush part during brushing. Prevent separation.
  • This angle is preferably between 80 ° and 100 °, more preferably between 85 ° and 95 °.
  • the flat surface 15 of the fitting groove 14 and the flat surface 25 of the holding portion 22 can be provided with a concave portion and a convex portion which are combined with each other. Thereby, the combined holding power of both becomes stronger.
  • a concave portion may be provided on either of the flat surfaces 15 and 25, and a convex portion is provided on the other flat surface so that both are always fitted.
  • the protruding length of the convex portion is set to be much longer than the depth of the concave portion so that the two corresponding flat surfaces cannot be brought into close contact.
  • the shapes of the concave and convex portions are no particular restrictions on the shapes of the concave and convex portions, but a linear or spherical partial shape can be adopted in consideration of the ease of molding, the force required when the fitting groove and the holding portion are combined, and the like.
  • the concave portion and the convex portion may be provided on one or both sides of the combination of the two planes, or may be provided on a single combined plane.
  • the handle comprises a grip for the user to grip the interdental brush during use, and a brush holder for fitting the fitting groove at one end.
  • the grip portion can have any shape as long as it does not interfere with use.
  • the brush holding part is combined with the fitting groove of the brush part and integrated to form an interdental brush.
  • the shape of the brush holding part must be such that there is no gap that causes rattling when combined with the fitting groove. Any shape can be adopted as long as such requirements are satisfied.
  • Outside the holding portion there are formed two holding portion flat surfaces which are combined with the two flat surfaces of the fitting groove without any gap.
  • a brush storage container is combined with the interdental brush.
  • the brush storage container can have a fitting groove, a brush storage chamber for storing and supporting the neck by supporting the neck with the neck insertion groove, and a brush detachment chamber if necessary.
  • the cross section of the neck has a major axis R arranged in the same direction as the fitting groove direction.
  • the cross section is elliptical, oval, or polygonal, and the groove width of the neck insertion groove of the brush storage chamber is: It is larger than the minor diameter r of the neck of the brush part and smaller than the major diameter.
  • a brush release chamber can be attached to the brush storage container.
  • This brush By using the brush release groove provided on the wall of the release chamber, the brush can be released from the handle and discarded with one touch without touching the brush at all.
  • the brush storage container may be provided with a lid.
  • the shape of the lid is arbitrary. For example, when a so-called match box type sleeve that can be slid is used, the position of the brush release chamber should be set so that only the brush release chamber can be fully opened when the sleeve is slightly shifted. Can be. As a result, when disposing of the brush, only the brush release chamber can be opened, the brush can be released, and only the used brush can be discarded, preventing the replacement brush in the brush storage chamber from being discarded at the same time. can do.
  • a lid may be independently provided in the brush accommodating chamber and the brush detaching chamber. Also, a lid that can be opened and closed by a hinge may be used.
  • FIG. 1 shows an embodiment of the brush portion of the interdental brush of the present invention.
  • FIG. 2 shows an embodiment of the handle of the interdental brush of the present invention.
  • FIG. 3 is an enlarged view of the brush holding portion and the brush supporting portion, and is an explanatory diagram of the fitting convex portion and the concave portion.
  • FIG. 4 shows an embodiment of the brush storage container of the interdental brush of the present invention.
  • Fig. 5 shows an example of a conventional interdental brush.
  • FIG. 6 shows another example of a conventional interdental brush.
  • FIG. 7 shows another example of a conventional interdental brush.
  • 10 is a brush portion
  • 11 is a brush
  • 12 is a neck portion
  • 13 is a brush support portion
  • 14 is a fitting groove
  • 15 is a flat surface.
  • 20 is a handle
  • 21 is a grip
  • 22 is a brush holder
  • 23 is a cut
  • 24 is a parallel surface
  • 25 is a plane
  • 26 is a recess
  • 2 Reference numeral 7 denotes a convex portion
  • 30 denotes a brush storage container
  • 31 denotes a brush storage room
  • 32 denotes a neck insertion groove
  • 33 denotes a release groove
  • 34 denotes a release room.
  • FIG. 1 shows the brush portion 10 of the interdental brush of the present invention.
  • Fig. 1 (b) is a front view of the interdental brush of the present invention
  • Fig. 1 (a) is a left side view
  • Fig. 1 (c) is a right side view
  • Fig. 1 (d) is a sectional view taken along line A-A of FIG. 1 (b)
  • FIG. 1 (e) is a sectional view taken along line B-B of FIG. 1 (b).
  • the interdental brush of the present invention includes a brush portion 10 shown in FIG. 1 and a handle portion 20 shown in FIG. Further, the interdental brush set of the present invention further includes a brush detachable storage container 30 shown in FIG.
  • the two flat surfaces 15 can be provided with either the concave portions or the convex portions.
  • the brush 11 is a portion for cleaning between teeth, it must be easily insertable between teeth.
  • the brush is composed of, for example, a filament and a wire, and is formed by folding a wire in two, arranging the filament between them, and twisting the wire.
  • the filament material of the brush can be made of nylon, polyethylene, polyester or the like.
  • the wire can be made of a material such as steel or stainless steel.
  • the cross-sectional shape of the neck portion 12 shown in FIG. 1 (d) is arbitrary, but when the brush storage container of the present invention is used, for example, an elliptical shape, an oval shape, and a polygonal shape having a major axis R in the fitting groove direction. Are preferred. In FIG.
  • the brush support portion 13 has a shape obtained by cutting out a fitting groove portion from a sphere, and the fitting groove portion has a shape of a brush holding portion 22 of a handle portion to be described later. It is formed to be spherical when combined. By having a spherical shape without unnecessary protrusions and steps, it becomes an interdental brush that can be used comfortably without stimulating the oral cavity.
  • FIG. 2 shows the handle 20 of the interdental brush of the present invention.
  • Fig. 2 (a) shows the left side view
  • Fig. 2 (b) shows the front view.
  • the handle portion 20 is composed of a grip portion 21 and a brush holding portion 22 located at the tip thereof, and the brush holding portion corresponds to the shape of the fitting groove 14.
  • a U-shaped cut 23 formed to fit the fitting groove 14 of the brush part 10 is provided.
  • Fig. 3 shows an enlarged view of the brush holding part and the brush supporting part fitted with it.
  • Fig. 3 (a) is a front view
  • Fig. 3 (b) is a plan view
  • Fig. 3 (c) is an enlarged view of a brush support.
  • a concave part is provided when a convex part is provided on the plane 15 of the combining groove
  • a convex part is provided when a concave part is provided.
  • the combination of the two can enhance the holding power, and prevents the brush from falling off in the oral cavity.
  • a concave portion 26 is provided on the flat surface 25, and a convex portion 27 is provided on the flat surface 15 on the brush holding portion side.
  • the brush holding part 22 and the grip part 21 may be manufactured integrally or may be manufactured separately and separately, and may be combined later. These can be molded using synthetic resins such as polyesters such as polyethylene, polypropylene, polyethylene terephthalate and polybutylene terephthalate, nylon, ABS, polystyrene and polycarbonate, but are not limited to these materials. Not done.
  • the fitting groove 14 fits correctly into the notch 23 of the brush holding portion 22 of the handle.
  • the cross-sectional shape of the notch 23 in the holding portion 22 into which the fitting groove fits must be such that no unnecessary space is formed when the fitting portion is fitted, and that the brush portion does not easily come off.
  • the range of the central angle W as shown in FIG. 3A is composed of an arc of 180 ° and W ⁇ 200 ° and a parallel surface 24.
  • the angle of W is displayed extremely large for explanation. If the central angle W is less than 180 °, the holding force in the length direction of the handle portion of the brush portion becomes small, and the brush portion may fall off during use or cause trouble.
  • the range of W is preferably 182 ° 195 °. If it is more than 18 2 °, the brush will hardly fall off in the mouth during use. If it is less than 195 °, no strong force is required when installing the brush.
  • the angle is particularly preferably from 184 ° to 190 °. In order to make the fitting between the handle and the brush holding portion stronger, and to prevent unnecessary removal of the brush portion in the oral cavity, the concave portion and the convex portion can be provided on both planes.
  • FIG. 4 shows an embodiment of the brush storage container of the present invention.
  • Fig. 4 (a) is a plan view
  • Fig. 4 (b) is a side view
  • Fig. 4 (c) is a front view
  • Fig. 4 (d) is a state where the neck of the brush is housed in the neck insertion groove of the brush storage chamber.
  • the brush storage container 30 may be composed of only the brush storage chamber 31, but preferably has a brush detachment chamber 34.
  • the brush storage chamber is provided with a neck inlet groove 32, which is used to hold the neck of the brush.
  • the groove width of the neck insertion groove 32 is larger than the minor diameter r of the neck cross section. It is set smaller than the major diameter R. This prevents the fitting groove 14 from being stored laterally.
  • the fitting groove 14 is oriented such that the fitting groove 14 faces upward. Therefore, the fitting groove 14 of the brush portion is always stored upward. This makes it possible to attach the brush part with a single switch.
  • the brush detachment chamber 34 has a volume and a shape into which the brush part can easily enter, and has a detachment groove 33 in the chamber wall.
  • the width of the detachment groove 33 is set so that the handle 20 can pass through, but the brush 10 cannot pass.
  • the brush holder 2 2 of the handle shown in FIG. I s set so that it is larger than the thickness D and the brush support 13 does not pass through. This removes the brush part 10 from the handle part 20 by inserting the used brush part into the release groove 33 so that the brush handle is inside the brush detachment part, and pulling the handle away from the brush detachment part. be able to.
  • the brush storage container When attaching the brush to the handle, if the brush storage container is provided with a lid, first open the lid of the brush storage chamber. Attach the brush part to the brush holding part so that the brush holding part fits into the fitting groove with the brush part of the replacement brush in the storage container that is placed so that the fitting groove faces up. Simply push the handle. This completes the interdental brush with one touch. Therefore, the user can clean his teeth with a clean interdental brush without touching the new brush directly.
  • the two parallel planes 15 of the brushing direction and the fitting groove 14 of the brush part hold the handle part substantially at a right angle, so that the brush part 10 is prevented from coming off from the handle part 20.
  • a lid open the cover of the brush release chamber 34, put the brush 10 into the release chamber 34, and remove it.
  • the handle is pulled as it is through the handle 20 through the groove 33, only the brush remains in the removal chamber, and the removal is completed with one touch.
  • the used brush remaining in the separation chamber may be discarded as described above. Therefore, the user can dispose of the used brush part without touching the brush part dirty with plaque or the like at all.
  • the brush portion can be attached as described above without changing the handle. Therefore, the user can install the brush without touching the Exchange becomes possible.
  • An interdental brush having a replaceable brush portion comprising a brush portion and a handle portion, wherein the brush portion has a flat surface disposed at an angle of 70 ° to 110 ° with respect to the brush axial direction.
  • An interdental brush having a mating groove, wherein the handle has a brush holding portion at one end thereof to which the fitting groove fits.
  • the interdental brush according to 1, wherein the plane has an angle of 85 ° to 95 ° with respect to the brush axis direction.
  • the interdental brush described in 4 which has a spherical body shape. 6. — The interdental brush described in 4 whose body shape is elliptical. 7. The interdental brush according to item 4, wherein the integral shape is a polyhedron. 8. The brush holding portion of the handle portion is fitted with the fitting groove of the brush portion in the length direction of the handle portion from an angle of 0 ° to less than 20 °. The interdental brush according to the above. 9. The brush holding portion of the handle portion, the fitting groove of the brush portion, and any one of 1 to 7 which is fitted with the length direction of the handle portion from an angle of 20 ° to 90 °. Brush between teeth. 10. The interdental brush according to any one of 1 to 9, wherein a convex portion and a concave portion are provided to be combined with each other on the plane of the fitting section and the plane of the holding section.
  • An interdental brush set comprising an interdental brush and a brush storage container having a replaceable brush portion, wherein the interdental brush comprises a brush portion and a handle portion, and the brush portion is arranged in the brush axial direction.
  • a fitting groove having a flat surface arranged at an angle of 0 ° to 110 °, and a neck covering the brush and extending in the brush direction, and having a cross section having a major axis in the fitting groove direction;
  • the handle has at one end a brush holding portion into which the fitting groove fits, and the brush storage container stores a plurality of replacement brushes with the neck supported by the neck insertion groove.
  • An interdental brush set having a chamber, wherein the width of the neck insertion groove of the brush storage chamber is larger than the minor axis of the neck and smaller than the major axis.
  • 2 1.
  • the brush part can be replaced.
  • the method of attaching the brush part to the handle part Provide an interdental brush with no foreign body sensation in the mouth.
  • the brush can be easily attached to the handle and discarded with just one touch without touching the brush at all, and the brush does not fall off during brushing.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne une brosse interdentaire comprenant un ensemble brosse (10) et un manche (20), l'ensemble brosse (10) pouvant être remplacé. L'ensemble brosse (10) comprend une rainure (14) d'adaptation pourvue de côtés plats (15) placés à des angles de 70° à 110° par rapport à la direction axiale de la brosse, et le manche (20) comporte une partie (22) de maintien de brosse à une de ces extrémités pour s'adapter à la rainure (14) d'adaptation. L'invention concerne également un ensemble de brosse interdentaire qui comprend une brosse interdentaire et un récipient de brosse (30). Un ensemble brosse (10) remplaçable et un procédé défini de fixation de l'ensemble brosse (10) au manche (20) fournissent une brosse interdentaire compact et dépourvue de la sensation de présence d'un corps étranger dans la bouche. L'ensemble brosse peut être fixé au manche et retiré aisément en un seul mouvement et sans toucher la brosse, mais il ne peut pas se détacher durant le brossage.
PCT/JP2000/005478 1999-08-18 2000-08-16 Brosse interdentaire et ensemble de brosse interdentaire WO2001012012A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU65931/00A AU6593100A (en) 1999-08-18 2000-08-16 Interdental brush and interdental brush set

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11231910A JP2001054526A (ja) 1999-08-18 1999-08-18 歯間ブラシ及び歯間ブラシセット
JP11/231910 1999-08-18

Publications (1)

Publication Number Publication Date
WO2001012012A1 true WO2001012012A1 (fr) 2001-02-22

Family

ID=16930982

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/005478 WO2001012012A1 (fr) 1999-08-18 2000-08-16 Brosse interdentaire et ensemble de brosse interdentaire

Country Status (3)

Country Link
JP (1) JP2001054526A (fr)
AU (1) AU6593100A (fr)
WO (1) WO2001012012A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7097644B2 (en) 2001-03-30 2006-08-29 Ethicon Endo-Surgery, Inc. Medical device with improved wall construction
JP2013075093A (ja) * 2011-09-30 2013-04-25 Gc Corp 歯間ブラシ体収納ケース
US8528147B2 (en) 2006-05-30 2013-09-10 Tepe Munhygienprodukter Ab Interdental brush
US10441753B2 (en) 2012-05-25 2019-10-15 Arstasis, Inc. Vascular access configuration

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5328200B2 (ja) * 2008-03-31 2013-10-30 小林製薬株式会社 歯間清掃具
JP5659736B2 (ja) * 2010-11-29 2015-01-28 サンスター株式会社 歯ブラシケース
JP5854100B2 (ja) * 2014-09-18 2016-02-09 サンスター株式会社 歯ブラシケース
JP6576882B2 (ja) * 2016-05-30 2019-09-18 大平工業株式会社 歯間ブラシ及び歯間ブラシセット

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0255820U (fr) * 1988-10-12 1990-04-23
JPH09121942A (ja) * 1995-10-30 1997-05-13 Lion Corp 歯間ブラシ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0255820U (fr) * 1988-10-12 1990-04-23
JPH09121942A (ja) * 1995-10-30 1997-05-13 Lion Corp 歯間ブラシ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7097644B2 (en) 2001-03-30 2006-08-29 Ethicon Endo-Surgery, Inc. Medical device with improved wall construction
US8528147B2 (en) 2006-05-30 2013-09-10 Tepe Munhygienprodukter Ab Interdental brush
JP2013075093A (ja) * 2011-09-30 2013-04-25 Gc Corp 歯間ブラシ体収納ケース
US10441753B2 (en) 2012-05-25 2019-10-15 Arstasis, Inc. Vascular access configuration

Also Published As

Publication number Publication date
JP2001054526A (ja) 2001-02-27
AU6593100A (en) 2001-03-13

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