JPH07275272A - Dental spittoon - Google Patents

Abstract

PURPOSE:To use a bactericidal lamp to enable the disinfection of a spittoon used at the time of rinsing the oral cavity in dental treatment and wash the inside of a vacuum hose to which a spittle discharge tube and a vacuum tube are connected. CONSTITUTION:This dental spittoon has an upper box 25 with a sprinkler nozzle 26 and a bactericidal lamp 27, a lower water feed-drain box 13 in which various control members are disposed, and a spittoon 3 rotatably enclosed between the upper box 25 and the lower water feed-drain box 13. The spittoon 3 is rotated around a shaft 3a, and when the spitton 3 is enclosed between the upper box 25 and the lower box 13, water is jetted from the sprinkler nozzle 26 to wash the bowl part of the spittoon 3, and the bactericidal lamp 27 is lighted to disinfect the surface of the spittoon 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spitton for spitting out water gargled in the oral cavity and a washing of a saliva drainage tube or a vacuum tube hose using the spitton in dental treatment.

[0002]

2. Description of the Related Art FIG. 3 is an overall configuration diagram showing an example of a dental treatment unit to which the present invention is applied. In the figure, 10 is a dental treatment unit, and the unit 10 is a treatment chair 1, a work table 2, It consists of a spittoon 3, a surgical light 4, an instrument holder 5, a foot switch 6, an assistant instrument holder 7 and the like. The instrument holder 5 accommodates various instruments 8 used in dental treatment. As is well known, in the dental treatment, the patient sits on the chair 1 and fixes his / her head on the headrest 9 to receive the treatment. During treatment, the surgeon moves the treatment chair 1 up and down,
The patient is treated in a posture that makes it easier to treat by inclining, tilting, etc.

The assistant holder 7 is provided with a vacuum tube, a saliva ejecting tube 11 and the like so as to suck and expel filth, saliva and the like generated in the oral cavity of the patient during treatment. This assistant holder 7 is of a stand-alone type, but as shown in the figure, it may be fixed to a fixing member, for example, a water supply / drainage box 13 through an arm 12.

FIG. 4 is a schematic view of a main part for explaining an example of a water supply / drainage system in a conventional dental treatment unit.
In the figure, 3 is a spittoon, 11 is a saliva drainage pipe, 14 is a mouthwash water supply pipe, 15 is a pot washing water supply pipe, 16 is a spitton drainage pipe, 17 is a vacuum hose, and as is well known, the saliva drainage pipe is dental. During treatment, it is put in the oral cavity of the patient and sucks and discharges saliva in the oral cavity, blood generated by dental treatment, and other dirty water. The vacuum tube cleans the inside of the oral cavity. These are passed through the vacuum hose 17. It is connected to a vacuum pump. In addition, during or after the dental treatment, the patient receives water (fountain type) ejected from the gargle water supply pipe 14 or water from the gargle water supply pipe 14 in a cup (cup type), Gargle and spit the gargled water into Spitton 3. As mentioned above,
The spittons 3 soiled by gargle or the like are washed with water supplied from the spittoon (pot) washing water supply pipe 15, and are discharged through the drain pipe 16 together with the blood discharged along with the gargle water and other dirt.

FIG. 5 is a main part configuration diagram for explaining an example of a dental treatment sewage treatment apparatus, in which 18 is a solenoid valve and 19
Is a solenoid valve, a valve such as a manual valve, 20 is a Venturi type siphon, and other parts having the same functions as those of the prior art shown in FIG. 4 are denoted by the same reference numerals as in FIG. The vacuum hose 17 is connected to the drain pipe 16 through, for example, the Venturi type siphon pipe 20, and the drain pipe 16 is connected to the vacuum pump 22 via the gas-liquid separator 21. Therefore, all wastewater discharged from the dental unit should be in a single drain 16
The water is forcibly drained through, the drainage system is unified and simplified, and furthermore, drainage is surely performed. In addition, even when a plurality of dental treatment units are installed on the same floor, the drain pipes 16 are provided as indicated by 16 'and 16 "in the figure.
Drain pipe 1 from another dental unit that works in the same way as
6 ', 16 "can also be connected to a single water pipe.

As described above, the waste water in the drain pipe 16 is sucked by the vacuum pump 22 and guided to the gas-liquid separator 21, where it is separated into gas and liquid. The separated polluted gas is sterilized by a germicidal lamp or the like, and the gas is deodorized and dust-removed by the filter 23 and the like and discharged. Further, the separated contaminated liquid is discharged from the drainage port A, guided to, for example, a sewage treatment apparatus, cleaned by the sewage treatment apparatus, and then discharged to the outside.

[0007]

As described above, in the conventional dental treatment apparatus, the sewage from the spittoon 3 is drained by the drain pipe 16.
Through the vacuum hose 17, the waste liquid from the saliva discharge pipe, the vacuum pipe 11 and the like is discharged through the vacuum hose 17.
Spitton 3 is still exposed to the atmosphere, and even if it is washed in a pot, it is still unsanitary because bacteria etc. are attached to it, and saliva discharge pipes, vacuum pipes 11 and the like are removed from the vacuum hose 17. The vacuum hose 17 can be separated and autoclaved for sterilization.
It was unsanitary because the inside could not be sterilized. The present invention has been made in view of the circumstances as described above, and has been made for the purpose of making it possible to sterilize the spitton using a sterilizing lamp and cleaning the inside of the vacuum hose. is there.

[0008]

The present invention has been made to solve the above problems, and (1) an upper box having a watering nozzle and a germicidal lamp, and various control members are provided. It has a lower water supply / drainage box and a spitton that is rotatably accommodated between the upper box and the lower box. At the time of storage, water is sprayed from the water spray nozzle to wash the spitton in a pot, and the germicidal lamp is used. Lit to sterilize the surface of the Spitton, and further,
(2) The rotation of the spit is associated with the raising and lowering of the dental treatment chair. When the treatment chair is in the upright position, it is exposed and gargling is possible. It is sterilized by a sterilizing lamp housed between the lower boxes and arranged in the upper box, and (3) the drain pipe from the spitton is a solenoid valve provided in the lower box. Through a vacuum pump, and when washing the pot, the solenoid valve is opened so that water after washing the pot is sucked and discharged by the vacuum pump; and (4) the electromagnetic valve in the lower box. There is a passage opening on the side wall of the lower box on the upstream side of the valve, a hose for saliva saliva pipe or vacuum pipe is connected to the opening, and the solenoid valve is closed. The water Isa is obtained is characterized in that to enable suction and discharge through the hose of the discharge spit tube or vacuum tube.

[0009]

In dental treatment, a spitton used for gargle in the oral cavity can be sterilized by using a sterilizing lamp, and the inside of a vacuum hose to which a saliva discharge tube or a vacuum tube is connected can be washed.

[0010]

1 is a perspective view of an essential part for explaining an embodiment of a dental spittoon according to the present invention, in which 3 is a spittoon, 13 is a lower water supply / drainage box, and 25 is an upper part of the spittoon 3. The upper box is provided with a watering nozzle and a germicidal lamp. The spittoon 3 is attached to the upper drainage / water supply box 13 so as to be rotatable about the shaft 3a, and is normally stored between the upper box 25 and the lower water / drainage box 13 shown in FIG. 1 (a). As shown in FIG. 1B, the gargle can be gargled by being rotated around the shaft 3a.

The above-described movement of the Spitton 3 is preferably as shown in FIG.
In the gargleable state shown in (b), after a predetermined time has passed,
Alternatively, when the tilt switch of the treatment chair 1 is pressed, as shown in FIG.
The storage state of (a) is restored.

FIG. 2 is a schematic view of the spitton 3 shown in FIG. 1 passing through the center of the pot and the center of rotation 3a. In the upper box 25, a sprinkling nozzle 26 for injecting water for washing the pot 3 '. And a germicidal lamp 27 for sterilizing the surface of the spittoon 3 is provided, and when the spittoon 3 is put into the storage state shown in FIG. 'Is cleaned, and during the storage period, the sterilization lamp 27 is turned on to sterilize the surface of the spitton 3. Germicidal lamp 27
Since the ultraviolet rays emitted from the human eye are adversely affected, the ultraviolet rays from the germicidal lamp 27 are configured so that there is no gap between the upper box 25 and the spitton 3 so as not to leak to the outside. There is. Further, the sterilization lamp 27 is automatically turned off when the spittoon 3 is put in the gargle state shown in FIG. 1 (b), and is automatically turned on when the spittoon 3 is returned to the stored state shown in FIG. 1 (a). Has been done.

The saliva discharge pipe, the vacuum pipe 11 and the like can be removed from the vacuum hose 17 and autoclaved (high-pressure steam sterilization). The vacuum hose 17 allows saliva, blood and other dirty liquids to flow. The inside is easily soiled with these sewage liquids and is extremely unsanitary. Therefore, it is conceivable that the vacuum hose 17 can be detachably connected to the water supply / drainage box 13 and is autoclaved. However, even if this is done, the vacuum hose 17 is not attached to the vacuum hose 17. Since dirty liquid is attached, it cannot be put in the autoclave device as it is.

In FIGS. 1 and 2, reference numeral 28 denotes a connection port to which the vacuum hose 17 is connected. The vacuum hose 17 is connected to the connection port 28 by removing the saliva discharge pipe and the vacuum pipe 11. Has become. Also, FIG.
In 29, 29 is a solenoid valve provided in the drainage pipe 16 of the spittoon 3, and the connection port 28 is communicated with the discharge pipe 16 on the upstream side of this solenoid valve 29 (note that 30 is a check valve. The check valve 30 is normally under negative pressure on the drain pipe 16 side and is therefore closed by this negative pressure). Therefore, as described above, the vacuum hose 17
To the connection port 28, and after closing the solenoid valve 29, water is supplied from the water supply pipe 15 to the bowl 3 ′, and when the vacuum operation of the saliva discharge pipe or the vacuum pipe is started, the vacuum hose 17 is supplied from the water supply pipe 15. Since the clean water supplied is forced to flow, the vacuum hose 17 is washed by the water.

[0015]

As is clear from the above description, according to the present invention, the surface of the spitton can be constantly sterilized by the sterilizing lamp to keep the surface hygienic, and the ultraviolet rays from the sterilizing lamp can be kept. Since it does not leak to the outside, it does not harm the patient or the operator or cause discomfort. Furthermore, the inside of the vacuum hose to which the saliva discharge tube and the vacuum tube are connected can be cleaned by a simple mechanism and operation, and the vacuum hose can be kept clean.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining a configuration of a spittoon portion according to the present invention.

FIG. 2 is a cross-sectional view of a main part of the spittoon part shown in FIG.

FIG. 3 is a perspective view for explaining an example of a dental treatment unit to which the present invention is applied.

FIG. 4 is a diagram for explaining water supply / drainage in a spittoon portion.

FIG. 5 is a diagram for explaining an example of a vacuum device in a conventional dental unit.

[Explanation of symbols]

1 ... Treatment chair, 2 ... Work table, 3 ... Spitton,
4 ... Shadowless lamp, 5 ... Instrument holder, 6 ... Foot switch, 7 ... Instrument holder for assistant, 8 ... Instrument, 9 ... Anvil, 10 ... Dental unit, 11 ... Saliva ejector, Vacuum tube, 12 ... Arm, 13 ... Water supply / drainage box, 14 ... Gargling water tube, 15 ...
Washing water pipe, 16 ... Drain pipe, 17 ... Vacuum hose,
18 ... Solenoid valve, 19 ... Valve, 20 ... Venturi type siphon, 21 ... Gas-liquid separation device, 22 ... Vacuum pump, 23 ... Filter, 25 ... Upper box, 26 ... Sprinkling nozzle, 27 ... Sterilization lamp, 28 ... Vacuum hose Connection port, 29 ... Solenoid valve, 30 ... Check valve.

Claims (4)

[Claims] 1. An upper box having a watering nozzle and a germicidal lamp, a lower water supply / drainage box in which various control members are arranged, and a spittoon rotatably housed between the upper box and the lower box. Having, at the time of storage, spray water from the sprinkling nozzle to wash the spitton in a pot,
A dental spittoon, characterized in that the surface of the spittoon is sterilized by turning on the germicidal lamp. 2. The rotation of the spitton is associated with the raising and lowering of the dental treatment chair, which is exposed and gargleable when the treatment chair is in the up position, and the upper portion when the treatment chair is in the up position. The dental spittoon according to claim 1, which is sterilized by a sterilizing lamp housed between the box and the lower box and arranged in the upper box. 3. The drainage pipe from the spitton is communicated with a vacuum pump through a solenoid valve provided in the lower box, and when the pot is washed, the solenoid valve is opened and water after the pot is washed is vacuumed. The dental spittoon according to claim 1 or 2, which is sucked and discharged by a pump. 4. In the lower box, a passage opening to a side wall of the lower box is provided on the upstream side of the solenoid valve, and a hose for saliva saliva or vacuum pipe is connected to the opening and the solenoid valve is connected. 4. The dental spittoon according to claim 1, 2 or 3, which is closed so that water sprayed from the sprinkling nozzle into the spittoon can be sucked and discharged through a hose of the saliva discharge pipe or the vacuum pipe.