JPH0237179B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an oral cavity cleaning device for physically disabled persons.

For people with severe physical disabilities, especially those whose limbs are completely paralyzed or have lost limbs, it is difficult for them to perform tasks using their hands, and tasks such as washing their face and brushing their teeth must be done by someone else.

An object of the present invention is to provide an automatic oral cavity cleaning device that can automatically brush teeth, ie, clean the oral cavity, for the self-help of such people.

An embodiment of the present invention will be described below with reference to the drawings.

Specifically, the device of the present invention includes a mouthpiece that is inserted into the oral cavity and has a surface that matches the dentition and has a large number of cleansing water outlet holes and dirty water suction holes on the surface, and a mouthpiece that is inserted into the oral cavity. a mouthpiece support arm that removably carries a piece and inserts and holds the mouthpiece into the oral cavity; and an ultrasonic vibration that is installed in the mouthpiece or the mouthpiece support arm and causes the mouthpiece to vibrate ultrasonically. With a child
It is composed of a movable arm carrying a spittoon and the mouthpiece support arm, and a water supply and drainage device connected to the mouthpiece and the spittoon.

FIG. 1 shows a first embodiment of a mouthpiece used in carrying out the present invention. As shown in the figure, this mouthpiece 1 has a horseshoe-shaped hollow body 2. On the inner circumferential surface, a large number of cleaning water blow-off holes 3 and contaminated water suction holes 4 that open toward the tooth surface are provided, for example, alternately, and a bite plate 5 that extends along the inner circumferential surface of the main body is provided in a protruding manner. and
Further, an electrostrictive vibrator (not shown) for applying ultrasonic vibration to the mouthpiece is built into the main body 2. A shank 6 connected to the main body 2 includes a water supply pipe 7 for feeding a mixed fluid of water and air into the main body 2, a suction pipe 8 for suctioning contaminated water in the oral cavity, and a mouthpiece 1. A pilot air supply pipe 9 is provided for controlling the water supply and drainage after being set in the chamber, and the cleaning operation is started by pressing a push button (not shown) or the like. Note that the electrostrictive vibrator may be provided within this shank 6.

FIG. 2 shows a second embodiment of the mouthpiece used in carrying out the present invention, and the mouthpiece 10 shown in the figure has two upper and lower parts 11 and 12 that have a horseshoe-shaped planar shape. The upper part 11 and the lower part 12 are fixed to the shank 13 at one end side of each, and the shank 13
It is designed to be able to vibrate by means of an electrostrictive vibrator (not shown) etc. provided therein. The upper part 11 and the lower part 12 each have an upper row of teeth, as shown in the figure.
It is a trough-shaped member equipped with a groove for receiving the lower tooth row, and the inner surface of each groove has a brush 1 that contacts the tooth surface.
4 is flocked, and a cleaning water blow-off hole and a contaminated water suction hole (not shown) are opened. The inside of the wall of each groove is formed hollow, and the space inside the wall communicates with the water supply pipe 15 and suction pipe 16 of the shank 13. The water supply pipe 15, suction pipe 16, and pilot air supply pipe 19 of the shank 13 are connected to piping carried by a mouthpiece support arm 17 (described later) when the mouthpiece is attached to the mouthpiece support arm 17, and connected to the water supply/drainage system and control equipment.

FIG. 3 is a diagram showing an embodiment of a device for cleaning the oral cavity of a physically handicapped person using a mouthpiece as described above, and in the figure, reference numeral 17 denotes a mouthpiece support connected to the shank of the mouthpiece. The support arm 17 has a joint that can rotate around a horizontal axis at two points A and B. The base end of the mouthpiece support arm 17 is fixed to the tip of a movable arm 19 that supports the spittoon 18. The movable arms 19 are C and D.
It has a joint that can rotate around a vertical axis at two points, and its base end is connected to a movable cart 22 that accommodates a pressurized water supply tank 20 and a drainage tank 21.
is supported by There is another movable carriage 23 connected to the movable carriage 22 via piping, and a vacuum pump 24 and a compressor 25 are housed within the movable carriage 23. The vacuum pump 24 is connected to the drainage tank 21 in the movable trolley 22 via a pipe 26, and the compressor 25 is connected to the water supply tank 20 via a pipe 27. Movable carts 22 and 2
The equipment housed in 3 constitutes a water supply/drainage device 28 as a whole, and the water supply/drainage device 28
can also be configured as a single movable trolley. Reference numeral 29 is a wheelchair, and when the device is used, the mouthpiece 1,
After automatically positioning the mouthpiece 10 and the spittoon 18, the mouthpiece is automatically inserted into the oral cavity of the patient 30, and then the oral cavity is cleaned.

FIG. 4 is a piping system diagram of the apparatus, in which the same reference numerals as those shown in FIGS. 1 to 3 indicate the same parts as shown in FIGS. 1 to 3.

As shown in FIG. 4, the piping 27 on the discharge side of the compressor 25 is provided with an oil mist filter 29, a deodorizing filter 30, a sterilizing filter 31, and a pressure reducing valve 32. The pipe 27 communicates with a pipe 28 opening into the upper space of the water tank 20, so that compressed air discharged from the compressor 25 pressurizes the water surface in the water tank 20. At point E of the pipe 27 on the outlet side of the sterilizing filter 31 (this point is above the water supply tank 20), a pipe 34 leading to the water supply valve 33 and a pipe 36 leading to the drain valve 35 are connected. These pipes 34 and 36 are maintained in a closed state by the water supply valve 33 and the drain valve 35, respectively, in the state shown in FIG. 4 (that is, the water supply valve 33 is open and the drain valve 35 is open). be done. The water supply valve 33 is provided in the middle of a water supply pipe 37 that connects the mouthpiece and the water supply tank 20, and the water supply pipe 37 opens near the bottom of the water supply tank 20. On the other hand, the drain valve 35 is installed in a drain pipe 38 connected between the spittoon 18 and the drain tank 21, and on the inlet side of the drain valve 35 of the drain pipe 38 is a drain that guides the water from the mouthpiece 1. A pipe 39 is connected. A filtering material 21a such as a net is provided in the drainage tank 21, and a drainage hole is provided at the bottom. The inside of the drainage tank 21 is maintained at a reduced pressure state by a vacuum pump 24 via a pipe 26. Note that the two-dot chain line drawn connected to the mouthpieces 1 and 10 represents a vibration energy supply line such as an electric wiring connected to the vibrator in the mouthpiece, and the electric wiring etc. is connected to a vibration energy supply source (Fig. (not shown) are connected.

Next, the state of use of the apparatus configured as described above will be explained with reference to FIGS. 3 and 4.

Before using the device (that is, before starting oral cleaning), both the water supply valve 33 and the drain valve 35 are closed, and therefore the water supply pipe 37 and the drain pipe 38 are connected to the water supply tank 20 and the drainage tank 21, respectively. It is blocked against. After the mouthpiece 1 is set in the oral cavity of the patient 30 by the operation of the movable arm 19 and the mouthpiece support arm 17, the air in the pilot pipe is blown out by operating a push button or the like as described above, and the mouthpiece is placed in a predetermined position. When it is confirmed that the water supply valve 33 is set to The pressurized water in the water supply tank 20 is sent into the mouthpiece 1 through the water supply pipe 37, and is ejected from the cleaning water outlet 3 of the mouthpiece 1 toward the tooth surfaces. Furthermore, energy is supplied to the vibrator in the mouthpiece 1 from an external vibration energy source to generate vibrations, and high-frequency vibration energy is imparted to the cleaning water. On the other hand, the drain valve 35 is also opened at the same time as the water supply valve 33, and both the mouthpiece 1 and the spittoon 18 are communicated with the drain tank 21 via the drain valve 35, and the contaminated water after washing to the mouthpiece 1 and the spittoon 18 is drained into the drain pipe. 37 and 39
The water is discharged into the drainage tank 21 through the drain tank 21. After cleaning for a predetermined period of time, when the water supply valve 33 and the drain valve 35 are closed, the movable arm 19 and the mouthpiece support arm 17 move to pull out the mouthpiece 1 from the oral cavity, thereby completing the automatic cleaning of the oral cavity.

As described above, according to the present invention, there is provided an automatic oral cavity cleaning device that can automatically clean the oral cavity of a physically disabled person or a sick person who cannot use their limbs.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a first embodiment of a mouthpiece suitable for use in carrying out the present invention, FIG. 2 is a perspective view of a second embodiment of the mouthpiece, and FIG. 3 is an embodiment of the present invention. FIG. 4 is a schematic diagram showing the piping system of FIG. 3. 1 and 10... Mouthpiece, 17... Mouthpiece support arm, 18... Spitzton, 19...
...Movable arm, 20...Water tank, 21...Drainage tank, 24...Vacuum pump, 25...Compressor.

Claims (1)

[Claims] 1. A mouthpiece that is inserted into the oral cavity and that has a surface that matches the row of teeth and has a large number of cleansing water outlet holes and sewage suction holes on the surface, and a mouthpiece that removably supports the mouthpiece, and a mouthpiece that is inserted into the oral cavity. a mouthpiece support arm for inserting and holding a piece into the oral cavity; an ultrasonic vibrator installed in the mouthpiece or in the mouthpiece support arm to vibrate the mouthpiece ultrasonically; a spittoon and the mouthpiece support arm; 1. An oral cavity cleaning device for physically disabled persons, comprising a movable arm carrying a mouthpiece, and a water supply and drainage device connected to the mouthpiece and the spittoon.