JP3310101B2 - Vacuum hose cleaning equipment for dental treatment equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a connection in dental treatment, saliva in the oral cavity of the patient <br/>'s Haitsubakan to suction and discharge the blood or the like, or a vacuum tube to clean the oral cavity of the patient To a cleaning device for cleaning the inside of a vacuum hose.

[0002]

2. Description of the Related Art FIG. 4 is a diagram showing the overall structure of an example of a dental treatment unit to which the present invention is applied. In the figure, reference numeral 10 denotes a dental treatment unit, and the unit 10 comprises a treatment chair 1, a work table 2, It comprises a spittoon 3, an operating 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 performing dental treatment, a patient sits on a chair 1 and fixes his / her head on an abutment 9 to receive treatment. During treatment, the operator moves the treatment chair 1 up and down,
The patient is placed in an easy-to-treat posture by inclining or tilting the patient, and treatment is performed.

[0003] The assistant holder 7 is provided with a vacuum tube, a saliva drainage tube 11 and the like, and is configured to suck and discharge sewage, saliva and the like generated in the oral cavity of the patient during treatment. The assistant holder 7 may be a stand-alone type, but may be fixed to a fixing member such as a spitton water supply / drainage box 13 through an arm 12 as shown in the figure.

FIG. 5 is a schematic diagram 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 spitton, 11 is a saliva discharge pipe, 14 is a gargle water supply pipe, 15 is a pot wash water supply pipe, 16 is a spitton drain pipe, 17 is a vacuum hose, and as is well known, the saliva discharge pipe 11 During dental treatment, it is put into the mouth of a patient, and saliva in the oral cavity, blood generated by dental treatment, other sewage, air, etc. are sucked and discharged through the vacuum hose 17. Also, during or after dental treatment, the patient receives water (fountain type) spouted from the gargle water supply pipe 14 or water from the gargle water supply pipe 14 (cup type), and cleans the mouth. Gargle and gargled water is dumped into Spitton 3. As described above, the spittons 3 soiled by gargling or the like are washed with water supplied from the spitting (pot) washing water supply pipe 15, and are discharged through the drain pipe 16 together with blood spouted with the gargling water and other contaminants. .

[0005] FIG. 6 is a configuration diagram of a main part for explaining an example of a dental treatment sewage treatment apparatus. In FIG.
Is a valve such as an electromagnetic valve or a manual valve, and 20 is a venturi-type siphon, and other parts that operate in the same manner as in the prior art shown in FIG. 5 are denoted by the same reference numerals as in FIG. Thus, the vacuum hose 17 is connected to the drain pipe 16 through, for example, a venturi-type siphon pipe 20, and the drain pipe 16 is connected to a vacuum pump 22 via a gas-liquid separator 21. Therefore, all the wastewater discharged from the dental unit is reduced to a single drain pipe 16.
The drainage is forcibly drained, the drainage system is unified and simplified, and the drainage is reliably performed. Further, even when a plurality of dental treatment units are installed on the same floor, the drain pipes 16 'and 16 "are shown in the drawing.
Drain pipe 1 from other dental unit that acts in the same way as
6 ', 16 "can also be connected to a single water pipe.

As described above, the sewage 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 contaminated gas is sterilized by a germicidal lamp or the like, and the gas is deodorized and dust-removed by the filter 23 and discharged. In addition, the separated contaminated liquid is discharged from the drain port A, for example, guided to a sewage treatment device, cleaned by the sewage treatment device, and then discharged to the outside.

[0007]

As described above, the wastewater from the spitton and the wastewater from the saliva discharge tube and the vacuum tube flow into the drainage pipe as described above. When used, there is a problem that slime or the like remains in the drain pipe, bacteria and the like easily propagate, which is very unsanitary, and, in some cases, releases a bad smell. Similarly, the slime adhered to the inside of the vacuum hose 17 and was extremely unsanitary. However, conventionally, there was no appropriate means for cleaning the inside of the drainage pipe and the inside of the vacuum hose. The present invention has been made in view of such circumstances described above, in particular, it has been made for the purpose of providing a means for cleaning the Luba Kyumuhosu easily put the dental treatment device.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides (1) a first solenoid valve disposed in a spitton drain path, and an upstream side of the first solenoid valve. A washing water distribution pipe communicating with the drainage path and having an open end, and a vacuum hose drainage pipe branched and disposed in a drainage path downstream of the first solenoid valve. A second solenoid valve disposed in the drain pipe, and a vacuum pump disposed in the drain passage downstream of a branch point of the second solenoid valve; Is connected to the open end of the drainage pipe for washing and water is supplied to the spitton, the first solenoid valve is closed, the second solenoid valve is opened, and the spitton is supplied into the vacuum hose. The forced water is allowed to flow, and (2) The closing operation of the first electromagnetic valve and the opening operation of the second electromagnetic valve are interlocked, and the driving of the vacuum pump is interlocked.

[0009]

[Action] In dental treatment, cleaning the inside vacuum hose for discharging dirty liquid from discharge spit tube and vacuum tube easily and hygienically.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a piping diagram for explaining an embodiment of the present invention.
A drain pipe (drain path) for guiding drain water discharged from 0, a solenoid valve 32 disposed in the path of the drain pipe 31, a drain pipe (drain path) 33 downstream of the solenoid valve 32,
Reference numeral 34 denotes a tank disposed in the drain pipe 33. In the tank 34, a sensor 35 for detecting a liquid level in the tank, such as a float switch, is provided. 3
Reference numeral 6 denotes an electromagnetic valve provided on the downstream side of the tank 34, and the downstream side of the electromagnetic valve 36 is connected to a vacuum pump 38 through a drain pipe (drain path) 37. An exhaust pipe 39 communicates the upper part of the tank 34 with the drain pipe 37, and the exhaust pipe 39 guides only the gas out of the liquid and the gas introduced into the tank 34 to the drain path 37.

For example, during use, the electromagnetic valve 32 is open and the electromagnetic valve 36 is closed, and the wastewater discharged from the spitton 30 remains in the tank 34. When some amount of sewage remains in the tank 34 and a liquid level sensor, for example, a float switch 35 is actuated, the solenoid valve 36 is opened, and the sewage in the tank 34 flows through the drainage pipe 37 at once, and cleans the inside of the drainage pipe 37. The electromagnetic valve 32 is required for cleaning a vacuum hose described later, and is not necessarily required for cleaning the drain pipe 37. In addition, the example in which the drain pipe 37 is washed using the waste water discharged from the spitton 30 has been described above. However, usually, the solenoid valve 36 is opened, and the solenoid valve 36 is closed only at the time of washing. The washing water is discharged to the spitton 30, and the clean water is supplied to the tank 3
4, the solenoid valve 36 may be opened when a predetermined amount of water in the tank 34 remains.

The vacuum pump 38 is, as described above,
It is also used to forcibly drain waste fluid from spitton, but it is also used to forcibly suction saliva and blood in the patient's mouth, vacuum-clean the inside of the mouth, and It is used for sucking and discharging dust and the like floating near the oral cavity and commonly used for various purposes. Further, it is commonly used with other dental units, and is usually driven all day. Therefore, the solenoid valve 3
When opening 6, the water in the tank 34 is automatically forcibly discharged, but is not necessarily driven. In consideration of such a case, as shown in FIG. 2, the float switch 35 is turned on (FIG. 2A), and the solenoid valve (VA) 36 is turned on.
2 is opened (FIG. 2B), the vacuum pump (VP) 38 should always be driven (FIG. 2C).

Next, cleaning of the vacuum hose will be described. In FIG. 1, reference numeral 40 denotes a vacuum hose washing water distribution pipe branched and connected to the drain pipe 31 on the upstream side of the electromagnetic valve 32, and a check valve is provided in the water distribution pipe 40 as necessary. However, this check valve is normally closed. Reference numeral 41 denotes a drainage pipe branched and connected to the drainage pipe 33 on the downstream side of the solenoid valve 32, reference numerals 42 and 43 denote solenoid valves respectively connected to the drainage pipe 41, reference numeral 42 denotes a saliva drain solenoid valve, and reference numeral 43 Is a solenoid valve for a vacuum pipe. 44 is a salivary duct, 45 is a vacuum duct, 46 is a vacuum hose for the salivary duct, 47 is a vacuum hose of the vacuum duct,
In use, the solenoid valves 42 and 43 are opened, and the exhaust gas and waste liquid sucked by the saliva drainage pipe 44, the vacuum pipe 45, and the like are supplied to the vacuum hoses 46 and 47, the solenoid valves 42 and 43, the drain pipe 41, and the drainage pipe, respectively. The waste liquid is guided to a tank 34 through a pipe 33, and the waste liquid is trapped in the tank 34.
It is sucked by the vacuum pump 38 through the drain pipe 37,
Is discharged.

In this case, the vacuum hose 4 is also used.
Dirty liquids such as saliva and blood adhere to the inner walls of the vacuum hoses 6 and 47, and bacteria and the like propagate in the vacuum hoses, which is very unsanitary. Did not. The present invention is for cleaning the inside of these vacuum hoses.
In order to clean the vacuum hoses 6, 47, first, the saliva drainage pipe 44 and the vacuum pipe 45 are removed from the vacuum hoses 46, 47, and the ends of the vacuum hoses 46, 47 are connected to the open end 40a of the vacuum hose cleaning water distribution conduit. , 40b
When a cleaning start switch (not shown) is turned on (FIG. 3 (a)), cleaning water is discharged to the spittons 30,
At the same time, the electromagnetic valve 32 is closed, and the washing water stays in the spitton 30. When the washing water stays in the spitton 30 to some extent (after the washing water is discharged and a predetermined time has elapsed), the electromagnetic valve 4
2 and 43 open (Figs. 3 (c) and (d)) and spitton 3
The washing water remaining in 0 is discharged into the drain pipe 31, the vacuum hose washing pipe 40 (through the check valve if there is a check valve), the vacuum hoses 46 and 47, and the solenoid valves 42 and 4.
3. Drainage path 41, drain pipe 33, tank 34, solenoid valve 36
(The solenoid valve 36 is kept open), and is forcibly discharged through the drain pipe 37, thereby cleaning the inside of the vacuum hoses 46 and 47.

[0015]

As apparent from the above description, according to the present invention, by a simple operation, it is possible to clean the inner wall surface of the resolver <br/> Kyumuhosu put in dental treatment device, hygienic Dental treatment can be performed.

[Brief description of the drawings]

FIG. 1 is a main part configuration diagram for explaining an example of a piping system path according to the present invention.

FIG. 2 is a time chart for explaining the operation of the drain pipe cleaning device according to the present invention.

FIG. 3 is a time chart for explaining the operation of the vacuum hose cleaning device according to the present invention.

FIG. 4 is a perspective view illustrating an example of a dental treatment unit to which the present invention is applied.

FIG. 5 is a diagram for explaining water supply and drainage of a spitton portion.

FIG. 6 is a view for explaining an example of a vacuum device in a conventional dental unit.

[Explanation of symbols]

1 ... treatment chair, 2 ... work table, 3 ... spitton,
Reference numeral 4: Operating light, 5: Instrument holder, 6: Foot switch, 7: Instrument holder for assistant, 8: Instrument, 9: Atodai, 10: Dental unit, 11: Salivary duct, Vacuum pipe, 12 arm, 13 water supply / drainage box, 14 gargle water pipe, 15 ...
Pot washing water pipe, 16 ... drain pipe, 17 ... vacuum hose,
18 electromagnetic valve, 19 valve, 20 venturi siphon, 21 gas-liquid separator, 22 vacuum pump, 23 filter, 24 vacuum pump, 30
... Spitton, 31, 33, 37, 41 ... drain pipe, 3
2, 36, 42, 43 ... solenoid valve, 34 ... tank, 35 ...
Sensor, 38: vacuum pump, 39: exhaust pipe, 40
... Vacuum hose washing tube, 44 ... Saliva tube, 45 ... Vacuum tube, 46, 47 ... Vacuum hose.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A61C 17/00

Claims (2)

(57) [Claims] 1. A first disposed in the waste water path of spittoon
And an exhaust valve upstream of the first electromagnetic valve.
A washing distribution pipe with an open end communicating with the water path,
The first solenoid valve is branched off from the first solenoid valve and is disposed.
A drain pipe for the vacuum hose and a drain pipe
A second solenoid valve provided and a branch point of the second solenoid valve
Vacuum disposed downstream in the drainage path
Having a pump and the open end of the vacuum hose
Connect to the open end of the washing drainage line and
Tons of water, closing the first solenoid valve and closing the second solenoid valve.
Open and supply the spittons in the vacuum hose.
A vacuum hose cleaning device in a dental treatment device , wherein supplied water is forced to flow . 2. The method according to claim 1, wherein the closing operation of the first solenoid valve and the second
The opening operation of the solenoid valve is interlocked, and the vacuum pump
2. The device according to claim 1 , wherein the driving is driven in conjunction with the driving.
Vacuum hose cleaning device for dental treatment apparatus described in
Place.