WO2019021109A1

WO2019021109A1 - Disposable closed-liquid suction toothbrush

Info

Publication number: WO2019021109A1
Application number: PCT/IB2018/055254
Authority: WO
Inventors: Manh Cuong VU
Original assignee: Vu Manh Cuong
Priority date: 2017-07-28
Filing date: 2018-07-16
Publication date: 2019-01-31
Also published as: US20210353041A1

Abstract

The present invention relates to a disposable closed-liquid suction toothbrush helping increase the maximum of convenience for user because: whose hands are free due to no gripping or holding while brushing teeth; no need to open mouth while brushing; brush the whole surface of all teeth simultaneously; actively regulate the injection and extraction of the liquid in the oral cavity; and shorten the time of brushing teeth, comprises an arch body (10); brush bristle layers (30) covering the interior surfaces of the arch body; and a liquid storage system (20) located inside the intestine of the arch body. The characteristics of the above components and the methods of integrating these components into a system, which take advantage of the limited amount of clean liquid available in the device in the inconvenient conditions for cleaning teeth outside the bathroom or public restrooms and/ or situations or spaces which are not easy to discharge the waste liquid during the process of brushing teeth.

Description

Title of Invention: Disposable closed-liquid suction toothbrush Technical Field

[0001] The present invention relates to a disposable closed- liquid suction toothbrush for simultaneously brushing all the teeth when lying completely in the user' s oral cavity and actively mobilizing for the injection and extraction of the liquid.

Background Art

[0002] At present, there are no special-purpose tools or devices for simultaneously brushing all the teeth when lying completely in the user' s oral cavity and can regulate the injection or extraction of the liquid. Some types of toothbrushes such as Roily Brush, to chew in the mouth like chewing-gum, can only brush each tooth respectively; or Blizzident toothbrush for brushing the whole teeth at the same time, but it cannot complete in the user's oral cavity or regulate the injection and extraction of the liquid; and other types of electric and non-electric toothbrushes with the same design as described in the Patent application no. US 2004/0128777 Al (Electro-motion

Toothbrush), the Patent no. US 4424710 A (Toothbrush for the whole mouth), US 4237574 A (Tooth cleaning apparatus) and US 5175901 (Apparatus and Method for Brushing Teeth), and the Patent application no. PCT / IB2015 /057107 (Full hands-free automatic Toothbrush), all of which, however, are either do not have the function of suction the liquid and/ or have to open the mouth while taking a brush.

Summary of Invention

[0003] The purpose of the present invention is to increase the convenience for users whose hands are free due to no gripping or holding while brushing and is able to brush teeth in a closed way due to no need for opening the mouth while brushing, brush the whole surface of all the teeth simultaneously and easy to regulate the injection and extraction of the liquid in the oral cavity and spend less time for brushing.

[0004] To achieve this purpose, the present invention offers a disposable closed-liquid

suction toothbrush for users who can conveniently clean all the teeth in every situation and anywhere out of the bathroom or public restrooms.

[0005] In one embodiment disclosed herein, a disposable closed-liquid suction toothbrush comprises an arch body; brush bristle layers covering the interior surfaces of the arch body; and a liquid storage system in the intestine of the arch body.

[0006] The features of the arch body can support for reducing its dimension in the vertical easily when external force pressing from the top to down and pushing from the below up to the top and self-elasticated or stretch to originally. The arch body has the homogeneous structure molded inside empty with a thin cover and absolute watertight is structured in an upper arch tray and a lower arch tray so that the arch trays can enclose the whole two teeth jaws at once when closing. The upper arch tray includes a hole to let the liquid into the liquid storage system in the intestine of the arch body, liquid spray holes to let the liquid out of liquid storage system, and liquid transferring holes located at the bottom of the upper arch tray to let the liquid pour into the lower arch tray. The lower arch tray includes liquid suction holes to let the liquid pour into the liquid storage system. The interior surfaces of the upper and lower arch trays are covered by brush bristle layers.

[0007] The features of brush bristle layers can help access the whole surface of the teeth and interdentals when two jaws closing. The brush bristle layers are made from the same material and molded with protrusive brush bristles from the interior surfaces of the upper and lower arch trays.

[0008] The features of the liquid storage system, liquid spray holes and liquid suction holes can help contain full of liquid without any leak through the liquid spray holes in the condition of normal pressure and/ or be saturated the liquid into the liquid suction holes in the condition of balanced pressure between outside and inside the arch body. The liquid storage system is located in the intestine of the arch body, comprises the compartments of clean liquid to contain clean liquid then inject the liquid through the liquid spray holes out and the compartments of waste liquid to contain the waste liquid that suctioned from outside through the liquid suction holes. The liquid storage system can be a structure molded with the arch body and the compartments are linked together to let the liquid out of and/ or suction the liquid simultaneously when the arch body pulsates and/ or expand.

[0009] In other embodiments, the arch body can be structured with the upper and lower arch trays which open the side for cleaning inside and close tightly. The brush bristle layers can be a part with separate structure and easily implant or remove from the interior surfaces of the arch trays to replace new ones, comprises a floor layer and brush bristles embedded/ implanted on the floor layer. The brush bristles can be made from one or a combination of materials such as plastic resin, nylon, natural rubber, and/ or any other materials used for made brush bristles.

[0010] In other embodiments, the arch body further comprises a toothpaste tube or capsule located in the interior surface of the upper arch tray. The toothpaste tube can be a structure molded with the arch body including an open hole to let toothpaste enter and two ends with holes for injecting toothpaste out into the upper arch tray when external force pressing on.

[0011] In other embodiments, the partition between the compartments of clean liquid and the compartments of waste liquid is a filter membrane. The filter membrane can be designed and embedded inside the arch body or separately positioned outside to embed when used.

Brief Description of Drawings

[0012] The preferred embodiments of the invention are shown in the accompanying

drawings. The applications and benefits together with the operation of the invention may be better understood by reference to a detailed description taken in connection with the below illustrations, in which:

Fig.l

[0013] [fig. l]

illustrates a perspective view of the upper arch of the disposable closed-liquid suction toothbrush.

Fig.2

[0014] [fig.2]

illustrates a perspective view of the lower arch of the disposable closed-liquid suction toothbrush.

Fig.3

[0015] [fig.3]

illustrates a cutaway side view of the brush bristle layer of the disposable closed- liquid suction toothbrush.

Detailed description of the Invention

[0016] The invention according to the above figures and the brief description is described in more detail in this section. However, the invention in question may be shown and understood in other ways than limited only to the figures in this description. In which, the apparatus and method of operation can be adjusted in terms of layout, arrangement, configuration, components, elements, structure, dimensions, processes, materials, etc. to reveal and use in a specific example. Examples of the disposable closed-liquid suction toothbrush are presented and described in detail with reference to Fig 1, Fig 2, and Fig. 3.

[0017] As may best be seen in Fig. 1, the present invention is a specific sample of the

disposable closed- liquid suction toothbrush including an arch body 10, a liquid storage system 20 located inside the intestine of the arch body, and brush bristle layers 30 covering the interior surfaces of the arch body.

[0018] The arch body 10 has the homogenous structure molded inside empty with the

thickness of the cover from one to three millimeters which may contain full of liquid without any leak in the condition of normal pressure and/ or be saturated the liquid into inside in the condition of balanced pressure between outside and inside the arch body. The internal and external side shells 19 of the arch body can be structured in form of zigzags so that the arch body 10 is easily reduced in its volume in the vertical by the pressing force of two teeth jaws when closing and self-elasticated/ stretch to originally when opening. The arch body can be made from one or a combination of materials with flexibility, toughness, and elasticity such as rubber, synthetic resin, silicon and/ or other similar materials. The arch body is structured into an upper arch tray 11 and a lower arch tray 12 that can be adapted to enclose the whole teeth when closing the jaws.

[0019] The arch body 10 as shown in Fig. 2 is also structured into the upper arch tray 11 and lower arch tray 12 which can open the side for cleaning inside and close tightly by the anti-air leakage locked groove mechanism 17 similar to hard-wiring zippers that located along on the edges of the arch trays.

[0020] The arch body 10 as shown in Fig.1 can further comprise a toothpaste tube or capsule 13 located in the interior surface of upper arch tray 11. The toothpaste tube can be a structure molded with the arch body or a part with separate structure and easily implant or remove from the interior surface of upper arch tray 11, including an open hole to let toothpaste enter and two ends with holes for injecting toothpaste out into the upper arch tray when external force pressing on.

[0021] The upper arch tray 11 includes a door with lid 18 located on its internal side shell of the arch body 10 to pour liquid into the liquid storage system 20; liquid spray holes integrated one-way valve 14 to let the liquid go through in case the pressure rises in the storage system 20 because the arch body 10 pulsates (repress its volume), and are located on the interior walls of the arch tray; and liquid transferring holes 16 are located at the bottom of the upper arch tray to let the liquid pour into the lower arch tray 12.

[0022] The lower arch tray 12 as shown in Fig.2 includes liquid suction holes integrated one-way valve 15 to let the liquid go through in case the pressure in the storage system 20 is lower than the pressure outside the arch body 10 because the arch body 10 expands its volume, and are located at the head and above on the edge of the internal wall of the arch tray 12.

[0023] The interior surfaces of the arch trays 11 and 12 are covered by brush bristle layers 30, adapted to reach the whole surface of the teeth and interdentals when two jaws closing. The brush bristle layers 30 can be made from the same material and molded monolithically with the arch body 10, including protrusive brush bristles from the interior surfaces of the arch trays 11 and 12.

[0024] The brush bristle layers 30 as shown in Fig.2 and Fig.3 are also a part with separate structure and easily implant or remove from the interior surfaces of the arch trays 11 and 12, comprise a layer of netting fabric 31 and brush bristles 32 embedded on the layer 31. The layer shown herein can be made from one or a combination of materials with the characteristic of forming based on the fold and the brush bristles can be made from one or a combination of materials such as nylon, natural rubber or any other materials used for made brush bristles.

[0025] The liquid storage system 20 can be made by the same materials and molded mono- lithically with the arch body 10, comprises clean liquid compartments 21 which can be linked together to simultaneously pump the liquid through holes 14 outside when the arch body pulsates its volume and waste liquid compartments 22 which can be linked together to simultaneously suction the liquid through holes 15 inside when the arch body expands its volume.

[0026] The liquid storage system 20 as shown in Fig. 2 further comprises a filter membrane 23 which creating a liquid filter partition laid between the clean liquid compartments 21 and waste liquid compartments 22. The filter membrane 23 can be designed and embedded inside the arch body 10 or separately structured and easy to insert or remove from the partition area. The filter membrane can include at least one or a combination of material layers such as activated carbon, sand, cotton, polypropylene, raw fiber or any other materials used for made filter cartridge.

[0027] Although various embodiments of the present invention have been illustrated,

however, the general principles and spirit of the invention may be applied to other illustrative examples that are the significant difference compared to the specific embodiments presented.

[0028] The following will describe the method, operation process, and effectiveness of the present invention, which has been constructed as, described above.

[0029] According to the present invention, in the simplest embodiment of the arch body 10 for disposable teeth brushing, the liquid such as clean water is filled into the clean liquid compartments 21 through the door with lid 18; the toothpaste is directly filled inside the arch tray 11. Then, the user will put the arch body 10 into the oral cavity; close two jaws until completely submerged in the brush bristle layers 30. When starting to brush teeth, the user bites slightly on two arch trays 11 and 12, the water, which is being held in the clean liquid compartments 21, will be pushed out through the liquid spray holes integrated one-way valve 14 and poured into the arch tray 12 through the holes 16. By moving in the opposite way of the two jaws, the mixture of water and toothpaste is mixed and spread over the inside of upper and lower arch trays and simultaneously do correct brushing teeth in the horizontal. Next, by chewing with slight strokes in the vertical to do correct brushing teeth at the interdentals. Finishing by biting tightly to press the volume of the arch body 10 so that to inject the whole clean water in the compartments 21 out and rinse teeth, then open two jaws for the arch body 10 elasticated to originally and at the same time suction the whole wastewater in the oral cavity into the waste liquid compartments 22. The whole above process of the teeth brushing takes 16 seconds on average and the device will not be kept to re-use. [0030] In an embodiment of the arch body 10 for brushing teeth one more time, before using, the filter membrane 23 is inserted into the partition area between the clean liquid compartments 21 and waste liquid compartments 22, then closing tightly the arch body 10 by the anti-air leakage locked groove 17. The liquid such as clean water is filled into the clean liquid compartments 21 through the door with lid 18; the toothpaste is directly filled inside the arch tray 11. Then, the user will put the arch body 10 into the oral cavity; close two jaws until completely submerged in the brush bristle layers 30. When starting to brush teeth, the user bites slightly on two arch trays 11 and 12, the water, which is being held in the clean liquid compartments 21, will be pushed out through the liquid spray holes integrated one-way valve 14 and poured into the arch tray 12 through the holes 16. By moving in the opposite way of the two jaws, the mixture of water and toothpaste is mixed and spread over the inside of upper and lower arch trays and simultaneously do correct brushing teeth in the horizontal. Next, by chewing with slight strokes in the vertical to do correct brushing teeth at the in- terdentals. The process of brushing vertically and horizontally may be repeated many times. When biting tightly, the whole clean water in the compartments 21 will be injected out for brushing and rinsing teeth; and then open two jaws again, the arch body 10 will be self-elasticated to originally and at the same time suction the whole wastewater in the oral cavity into the waste liquid compartments 22 and go through the filter membrane 23 into the compartments 21. The process of biting above may be repeated many times. The used wastewater will be filtered and re-used during the whole process of brushing teeth. Finishing by opening two jaws for the arch body 10 elasticizing to originally, and simultaneously suction the whole wastewater in the oral cavity into the waste liquid compartments 22. The whole above process of the teeth brushing may take more 16 seconds and the device can be cleaned for the next time uses by opening the arch body 10 through the locked groove 17, and the filter membrane 23 may be cleaned by water taps or replaced by a new one.

[0031] The advantage of the present invention is to take advantage of the limited amount of clean liquid available in the device in the inconvenient conditions for cleaning teeth outside the bathroom or public restrooms and/ or situations or spaces, which are not easy to discharge the waste liquid during the process of brushing teeth.

Claims

A disposable closed-liquid suction toothbrush, comprising an arch body; a liquid storage system located inside the intestine of the arch body, and brush bristle layers covering the interior surfaces of the arch body.

The disposable closed-liquid suction toothbrush of claim 1, wherein the arch body is the homogenous structure with flexibility, toughness, and elasticity; molded inside empty with the thin and watertight cover, comprises the internal and external side shells structured in the ability to elasticated its volume.

The disposable closed-liquid suction toothbrush of claim 1, wherein the liquid storage system is made by the same materials and molded mono- lithically with the arch body, comprises clean liquid compartments linked together and waste liquid compartments linked together.

The disposable closed-liquid suction toothbrush of claim 2, wherein the arch body is structured into an upper arch tray and a lower arch tray adapted to enclose the teeth of both jaws.

The disposable closed-liquid suction toothbrush of claim 4, wherein the upper arch tray comprises a door with lid to pour liquid into the liquid storage system; liquid spray holes integrated one-way valve to let the liquid go through into the upper arch tray, and liquid transferring holes located at the bottom of the upper arch tray to let the liquid go into the lower arch tray.

The disposable closed-liquid suction toothbrush of claim 4, wherein the lower arch tray comprises liquid suction holes integrated one-way valve to let the liquid go through in case the arch body expanding its volume. The disposable closed-liquid suction toothbrush of claim 4, wherein the interior surfaces of the upper and lower arch trays are covered by brush bristle layers that made by the same material and molded mono- lithically with the arch body, include protrusive brush bristles from the interior surfaces of the arch trays.

The disposable closed-liquid suction toothbrush of claim 1, wherein the arch body further comprises an anti-air leakage lock located along on the internal and external side shells of the arch body.

The disposable closed-liquid suction toothbrush of claim 2 and 8, wherein the arch body further comprises a toothpaste tube in the upper arch tray molded with the arch body or a part to implant or remove from the upper arch tray.

The disposable closed-liquid suction toothbrush of claim 9, wherein the toothpaste tube comprises an open hole to let toothpaste enter and two ends with holes for injecting toothpaste out into the upper arch tray. The disposable closed-liquid suction toothbrush of claim 1, wherein the brush bristle layers are separate parts and able to implant or remove from the upper and lower arch trays, comprises a floor layer and brush bristles embedded on the floor layer.

The disposable closed-liquid suction toothbrush of claim 3, wherein the liquid storage system further comprises a filter membrane forming the partition between the clean liquid compartments and waste liquid compartments.

The disposable closed-liquid suction toothbrush of claim 12, wherein the filter membrane is designed and embedded inside the arch body or separately structured to easily insert or remove from the partition area, further comprises at least two or a combination of material layers such as activated carbon, sand, cotton, polypropylene, raw fiber.