JP3272553B2 - Disinfection device and disinfectant filling device for water circuit and air circuit of dental instruments - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disinfecting device for a water circuit and an air circuit of an instrument used in dental treatment, and a disinfecting solution filling device for filling a disinfecting solution into a disinfecting container used in the disinfecting device. .

[0002]

2. Description of the Related Art In dental treatment, an air turbine, a micro engine, or the like is used to cut teeth, and a cutting tool (bar) attached to the air turbine or the micro engine is rotated at a high speed to cut or polish the teeth. However, in this case, since the temperature of the cut or polished portion becomes high due to frictional heat, water or spray (a mixture of water and air) is injected into the cut or polished portion and cooled. However, these instruments have saliva, blood, cuttings, etc. attached to them,
Easy to contaminate. In addition, water or spray is injected into the oral cavity using a water syringe to clean the oral cavity after the treatment.

[0003]

As described above, various instruments are used in dental treatment.
In these instruments, there are provided a water circuit for flowing cooling water, an air circuit as a drive source of an air turbine, or a water circuit and an air circuit for spraying spray, such as at night or on holidays. When not in use, bacteria grow in the water circuit and air circuit, and when these instruments are used in the next morning or at dawn, when bacteria grow in the water circuit and air circuit, bacteria growing in the patient's oral cavity Is very dangerous. In order to solve the above-mentioned problems, the instrument and the instrument hose are autoclaved, and prior to the treatment, the instrument is washed by flowing a disinfecting solution through a water circuit and an air circuit of the instrument. ing. In particular, when the disinfectant is supplied to the water circuit and air circuit of the instrument, if the water and air circuits are not completely cleaned after the disinfectant has been supplied, the remaining disinfectant may be disturbed by the patient. It is injected into the oral cavity, and furthermore, there is a danger that the disinfecting solution may be injected by mistake during the dental treatment, and the patient may feel uncomfortable.

[0004] The present invention has been made in view of the above circumstances, and in particular, disinfects a water circuit and an air circuit in a dental instrument simply and completely, and disinfects the patient by erroneous operation or the like. It is an object of the present invention to provide a disinfecting apparatus and a disinfecting solution filling apparatus for filling a disinfecting solution into a disinfecting container used in the disinfecting apparatus without fear of being injected into the oral cavity.

[0005]

In order to solve the above-mentioned problems, the present invention provides (1) a terminal to which a dental instrument hose is detachably connected, wherein the terminal comprises the instrument hose. A disinfecting apparatus for disinfecting a water circuit and an air circuit in the instrument hose by using a dental unit for performing dental treatment by connecting the terminal to the terminal of the dental unit at one end. A terminal connected to the instrument hose at the other end, and a disinfecting solution container having a disinfecting solution chamber therein, and the terminal connected through the disinfecting solution container. When the instrument hose is connected to the dental treatment unit,
The water circuit and the air circuit are connected via the disinfecting liquid chamber, and the disinfecting liquid in the disinfecting liquid chamber is discharged from the instrument through a water circuit and / or an air circuit in the instrument hose; Further, (2) the disinfecting liquid chamber in the disinfecting container is separately provided in the water circuit and the air circuit, and the check valve is provided to prevent the disinfecting liquid in the liquid chamber from leaking to the outside. And even
(3) which has a tool with up to attach to suspended detachably the disinfection container to the lower surface, to allow placing the disinfectant solution tank for supplying disinfectant to the top of the fixture, the sterilization container to said fixture Wherein the disinfectant chamber of the disinfectant container is filled with a disinfectant when the is attached.

[0006]

Function: Built-in antiseptic solution, one end has terminals that are detachably connected to the water circuit and air circuit on the dental treatment unit side, and the other end is detachable from the water circuit and air circuit on the instrument hose side Using a disinfecting container having a terminal connected to the, the dental treatment unit and the instrument hose are connected via the disinfecting container, flowing water and air for a predetermined time through the water circuit and the air circuit of the instrument, Disinfect the water circuit and the air circuit in instruments and instrument hoses.

[0007]

FIG. 1 is an overall structural view showing 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, Instrument holder 3, arm 4 supporting work table 2 and instrument holder 3, instruments for various doctors 5 for performing dental treatment, water, air, electricity, etc. are supplied to each instrument 5. As is well known, a patient sits on a chair 1 and secures his / her head on an abutment to receive treatment, as is well known. During the treatment, the surgeon moves the treatment chair 1 up and down, starts up, tilts, etc., and performs the treatment in a posture where the patient can be easily treated.

FIG. 2 is a schematic view of the essential parts for explaining an embodiment of the disinfection apparatus according to the present invention. In the figure, reference numeral 3 denotes an instrument holder opposed to the instrument holder 3 shown in FIG. A connection terminal 11 for detachably connecting the terminal 7 of the instrument hose 6 is provided on a lower end surface of the instrument holder 3.
Normally, the terminal 7 of the instrument hose 6 is connected to the terminal 11, and the water circuit, air circuit, electric circuit, etc. of the dental treatment unit 10 are replaced with the water circuit, air circuit, electric circuit, etc. of the instrument 5 side. And the desired dental treatment is performed. In the drawing, only the water circuit end 8a and the air circuit terminal 8b are shown, and the electric circuit end is omitted.

In a recent dental treatment unit, FIG.
As shown in the figure, the instrument hose 6 is detachable from the dental treatment unit 10, whereby the instrument hose 6 can be detached from the dental treatment unit 10 and autoclaved (high-pressure steam sterilization). Like that. However, even if the instrument 5 and the instrument hose 6 are autoclaved, the inside of the water circuit and the air circuit of the instrument 5 and the instrument hose 6 cannot be sufficiently sterilized. Bacteria may multiply in the water circuit and air circuit.

[0010] Therefore, in the morning, prior to treatment, a disinfectant solution is flowed into these water circuits and air circuits, and these water circuits,
It has been proposed to disinfect the air circuit.In such a case, it is necessary to switch from the disinfection mode to the cleaning mode after disinfection and to thoroughly clean the water circuit and the air circuit for a predetermined time before treatment. These disinfectants may be sprayed into the mouth of the first patient, causing discomfort to the patient. In addition, there is a possibility that the disinfecting solution may be injected into the patient's mouth by mistake during the dental treatment.

The present invention has been made in view of the above situation. In FIG. 2, reference numeral 20 denotes a disinfecting container proposed by the present invention.
One end is detachably connected to the terminal 11 on the dental treatment unit 10 side, and the other end is detachably connected to the terminal 7 of the instrument hose 6. That is, the dental treatment unit 10 of the disinfecting container 20
The pipe projections 21a, 21a connected to the water circuit and the air circuit on the dental treatment unit 10 side
b is provided, and holes 22a and 22b (see FIG. 3) into which the water circuit end 8a and the air circuit end 8b of the instrument hose 6 are inserted are provided on the other side.

FIG. 3 is a cross-sectional view of a main part when the chemical solution container 20 according to the present invention is mounted on the terminal portion 11 of the instrument holder 3, wherein 23a is a chemical (disinfectant) chamber for a water circuit. , 23b are chemicals (disinfectant) chambers for the air circuit,
In the chemical solution chambers 23a and 23b, an inflow-side check valve 24 is provided.
a, 24b and outflow side check valves 25a, 25b are provided, and these check valves 24a, 25a; 24b, 25b
Are pushed in opposite directions by spring members 26a and 26b, respectively, and in the normal state, these chemical solution chambers 23a and 23b
The chemical inside is leaking to the outside. For example, a hook member 27 for connecting the chemical solution container 20 to the connection terminal portion 11 provided on the lower surface of the instrument holder 3 is provided at an upper portion of the chemical solution container 20, and is provided by any known method. The hook member 27 is hooked into a hook hooking groove 12 provided in the connection terminal portion 11 so as to be connected with one touch. Also, at the bottom,
A groove 28 for engaging a hook 9 provided on the terminal portion 7 of the instrument hose 6 is provided, and the hook 28 provided on the terminal portion 7 of the instrument hose is provided in the groove 28. By being engaged, the liquid medicine container 20
And the instrument hose 6 can be connected.

As described above, in the present invention, both the chemical solution container 20 and the instrument hose 6 can be detachably connected to the instrument holder 3, and
The instrument hose 6 can be detachably connected to the drug solution container 20. Therefore, the instrument hose 6
Can be used by connecting to the instrument holder 3 via the chemical solution container 20.
Can be used by connecting to the drug solution container 20.
When the terminal portion of the instrument hose 6 is connected to the check valve 25a, the check valve 25a, 25b is opened by the water circuit terminal portion 8a and the air circuit terminal portion 8b of the terminal portion.
Water circuit 8 of 3a and 23b and instrument hose 6
a and the air circuit 8b are communicated with each other. Therefore, when the water circuit and the air circuit of the dental treatment unit are operated in this state, the check valves 24a and 24b are opened by the water pressure of the water circuit on the dental unit 10 side and the air pressure of the air circuit, and the water source of the dental unit 10 The air source communicates with the water circuit and the air circuit of the instrument hose.

In the morning, prior to dental treatment, a chemical container 20 containing a chemical is attached to the instrument holder 3, and the instrument hose 6 is connected to the chemical container 20, and When the water circuit and the air circuit are operated, the liquid medicine in the liquid medicine chambers 22a and 23b is discharged through the water circuit and the air circuit of the instrument hose 6 and the instrument 5, and disinfects the water circuit and the air circuit. I do. Since the antiseptic solution flows out in several seconds to several tens of seconds, the treatment may be continued as it is, or the medical solution container may be removed and the instrument hose 6 may be directly connected to the instrument holder 3 and used again. You may.

As described above, in the present invention, once a predetermined amount of disinfectant is used,
Since the disinfectant is never released from the instrument, there is no worry that the disinfectant will be injected into the patient's mouth during dental treatment by mistake as in the prior art.

However, according to the present invention, the disinfecting solution in the disinfecting container 20 is completely used by one use, and therefore, the chemical solution container 20 is disposable or the used chemical solution container is re-used. It is necessary to fill a chemical solution so that it can be reused.

FIG. 4 is a schematic perspective view for explaining an example of a chemical liquid filling device capable of filling the chemical liquid again into the chemical liquid container 20 as described above. 31, has a U-shape with a base 31 at a lower portion, and the above-mentioned chemical solution container 20 can be detachably attached to a lower portion of the upper chemical solution tank portion 31.
In the case of the illustrated example, the number of the medicinal solution containers 20 that can be mounted is two, but the number is not limited to two, and an arbitrary desired number can be mounted. Upper chemical liquid tank 31
Inside, the chemical liquid tank 33 is housed in a replaceable manner in the form of a cartridge. When the chemical liquid in the chemical liquid tank 33 ends, replace it with a new chemical liquid tank or replace the empty chemical liquid tank with an empty chemical liquid tank. Fill with chemicals and attach again.

As described above, the chemical liquid tank 33 is always filled with the chemical liquid.
When the chemical solution container 20 is attached to the lower part of the
The inside is automatically filled with a predetermined amount of the chemical solution, and when the filling is completed, the fact is indicated by, for example, a battery-powered display lamp 34 or the like. When the same chemical is used for the water circuit and the air circuit, a single chemical liquid tank 33 can be used. However, when different chemicals are used for the water circuit and the air circuit. Uses two chemical tanks containing different chemicals. The chemical filling device 30
When a commercial power supply is used, it is also possible to supply a chemical from the chemical tank 33 to the chemical container 20 using an electromagnetic valve.

[0019]

As is apparent from the above description, according to the present invention, the water circuit and the air circuit in the dental instrument and the instrument hose can be easily disinfected, and the dental treatment can be performed. It is possible to provide a water circuit and an air circuit disinfecting apparatus in a dental instrument that does not cause a disinfecting solution to be injected into a patient's mouth due to an erroneous operation or the like. In addition, although the chemical solution container is used only once, it can be easily filled and used again at each clinic after use, so that maintenance is easy and the running cost is reduced. The liquid medicine filling device which can be provided.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram for explaining an example of a dental treatment unit to which the present invention is applied.

FIG. 2 is a schematic configuration diagram of a main part for describing an embodiment of a dental instrument water circuit and an air circuit disinfection device according to the present invention.

FIG. 3 is a cross-sectional configuration diagram for explaining an example of use of a drug solution container used for carrying out the present invention.

FIG. 4 is a schematic structural perspective view for explaining one embodiment of a chemical liquid filling device for filling a chemical liquid in a chemical liquid container.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Treatment chair, 2 ... Work table, 3 ... Instrument holder, 4 ... Arm, 5 ... Instrument, 6
... instrument hose, 7 ... instrument hose connection end, 8a, 8b ... water circuit end and air circuit end, 9 ... hook, 10 ... dental treatment unit, 11 ... dental treatment unit side instrument hose Connection terminal, 2
0: Chemical solution container, 23a, 23b: Chemical solution chamber, 30: Chemical solution filling device, 33: Chemical solution tank.

Claims (3)

(57) [Claims] 1. A dental instrument hose having a terminal to which a dental instrument hose is detachably connected, wherein the instrument hose is connected to the terminal and used for a dental unit for performing dental treatment. A disinfection device for disinfecting a water circuit and an air circuit in the disinfection device, wherein the disinfection device has a terminal connected to a terminal of the dental unit at one end,
A terminal connected to the instrument hose at the other end, and a disinfecting solution container having a disinfecting solution chamber therein; and connecting the instrument hose to the dental hose through the disinfecting solution container. When connected to the treatment unit, the water circuit and the air circuit are connected via the antiseptic solution chamber,
A disinfecting device for a water circuit and an air circuit of a dental instrument, wherein the disinfecting liquid in the disinfecting liquid chamber is discharged from the instrument through a water circuit and / or an air circuit in the instrument hose. 2. The disinfecting solution chamber in the disinfecting container is provided separately in the water circuit and the air circuit, and the disinfecting solution in the liquid chamber is prevented from leaking outside by a check valve. The disinfection device for a water circuit and an air circuit of a dental instrument according to claim 1, wherein: With 3. having tool with up to attach to suspended detachably the disinfection container to the lower surface, the disinfectant solution tank for supplying disinfectant to the top of the fixture and can be placed, the said fixture The disinfectant liquid filling device according to claim 1 or 2, wherein when the disinfectant container is attached, the disinfectant solution chamber of the disinfectant container is filled with a disinfectant solution.