KR20080013696A - A dental clean water drain apparatus - Google Patents

Abstract

A clean water drain system for a dental unit chair is provided to prevent a bio-film from being formed inside a water pipeline connected to a hand piece by draining clean water through the hand piece when the dental unit chair is not used. A clean water drain system for a dental unit chair comprises: a hand piece(130), through which clean water, supplied from a water purifier, and the air are discharged; a water pipeline(140), supplying the clean water from a clean water pipe(120) to the hand piece; a master block(160), arranged in a determined position of the water pipeline so as to supply the clean water to the hand piece; a valve(170), configured as a three-way valve, and arranged in a determined position of the water pipeline so as to be connected to an air pipe(145); and a controller(190), controlling the valve and the hand piece in such a manner that the clean water, retarded in the water pipeline, is drained through the hand piece if it is not done for a determined time.

Description

Clean water drain apparatus for dental unit chairs

1 is a schematic diagram schematically illustrating a configuration of a water purification device of a dental unit chair according to a first embodiment of the present invention.

2A and 2B are views illustrating a unit chair and a handpiece holder provided in the apparatus for discharging water of the dental unit chair according to the first embodiment of the present invention.

3 is a schematic diagram schematically illustrating a configuration of a water purification device of a dental unit chair according to a second embodiment of the present invention.

4 is a schematic diagram schematically illustrating a configuration of an apparatus for discharging water of a dental unit chair according to a third embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100, 200, 300: water purification device for dental unit chair

110: water purifier 120: water purification piping

130: handpiece 140: water piping

145: air piping 150: unit chair

160: master block 170, 270, 370, 375: 3-way valve

180: input unit 190: control unit

191: timer 192: device control unit

30: handpiece holder 33: handpiece opening means

The present invention relates to a device for dispensing water for dental unit chairs, and more specifically, to form a biofilm or the like on the inner wall of the water pipe connected to the handpiece of the unit chair by discharging the purified water in the water pipe through the handpiece. It relates to a water purification device of the dental unit chair can be prevented.

In general, the water supplied to the dental unit chair is used to cool the heat generated by a dental medical device such as a handpiece, remove powder and debris generated when polishing a tooth, or brush the mouth. Since the water supplied to the dental unit chair is in direct contact with the wound and the treatment area of the oral cavity, hygiene and cleanliness are important above all.

Therefore, conventionally, the water supplied to the dental unit chair is not purified by using tap water but using purified water by removing impurities contained in the water using a water purifier.

However, when the dental unit chair is not used, such as a lunch break, a night time after the doctor's office hours, or a weekend when the dentist's office is temporarily suspended, the purified water is stagnated in the water pipe, which causes the handpiece of the unit chair to Biofilm may be formed on the inner wall of the water pipe to be connected.

The biofilm is formed of an organic material or an inorganic material, and harmful microorganisms, such as bacteria or mold, may be generated where the biofilm is formed. Therefore, when the purified water is discharged through the water pipe in which the biofilm is formed and enters the oral cavity of the patient, it may cause a problem such as causing a secondary infection to the patient.

Accordingly, the present invention is to solve the above-mentioned disadvantages and problems of the prior art, the water connected to the handpiece of the unit chair by discharging the purified water through the handpiece during the time that the dental unit chair is not used. It is an object of the present invention to provide a dental unit chair water purification device for preventing the biofilm is formed in the pipe.

In order to achieve the above technical problem, the present invention provides a device for dispensing water of a dental unit chair. The device for dispensing water of the dental unit chair comprises a handpiece; A water pipe for supplying purified water from the purified water pipe to the handpiece; A master block provided at a predetermined position of the water pipe and supplying purified water supplied from the purified water pipe to the handpiece; A valve located at a predetermined position of the water pipe and connected to an air pipe; And a controller configured to control the valve and the handpiece to discharge the purified water through the handpiece when the purified water supplied from the water purifier is not discharged for a predetermined time through the handpiece. It features.

In a preferred embodiment, the valve to block the inlet of compressed air in the air pipe in the on state and the purified water from the water pipe to the water pipe, and in the off state to block the purified water inlet and Together, the compressed air of the air pipe can be introduced into the water pipe. In this case, the handpiece may be controlled to open in the off state of the valve, the valve may use a three-way valve.

In a preferred embodiment, the valve may be provided in the water pipe between the purified water pipe and the master block.

In a preferred embodiment, the valve may be provided in the water pipe between the master block and the handpiece.

In a preferred embodiment, the valve may be provided in the water pipe between the water purification pipe and the master block and between the master block and the handpiece.

The apparatus for dispensing the purified water of the unit chair may further include a handpiece holder having an opening means for opening and closing the handpiece. The control unit may include: a timer for comparing a current input time with a current time; And an apparatus control unit for controlling the operation of the opening means provided in the valve and the handpiece holder according to the signal of the timer.

The apparatus for discharging the purified water of the unit chair may further include an input unit connected to the control unit and configured to input an operation time and an operation period by the user, and further comprising an auxiliary power supply that is operated when the power supply is stopped. It may include, it may further include; an integer discharge status indicator for displaying the integer discharge status.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings in order to describe the present invention in more detail. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like numbers refer to like elements throughout the specification.

1 is a schematic diagram schematically showing the configuration of the apparatus for dispensing water of the dental unit chair according to the first embodiment of the present invention, Figures 2a and 2b is a view of the dental unit chair according to the first embodiment of the present invention It is a figure explaining the unit chair and handpiece holder provided in the water discharge apparatus.

1, 2A and 2B will be described with respect to the water discharge device and the water discharge operation of the dental unit chair of the present invention.

The water purification device 100 of the dental unit chair is largely comprised of a water purifier 110, a water purification pipe 120, a handpiece 130, a water pipe 140, and a unit chair 150. In particular, the device 100 for discharging water for the dental unit chair according to the present invention is provided with a 3-way valve 170 in the water pipe 140 in the unit chair 150, the handpiece opening means 33 It is provided with a handpiece holder 30 provided with.

The water purifier 110 purifies the raw water obtained from the water supply pipe 10 and discharges the raw water to the water purification pipe 120 through the water outlet. At this time, the water purifier 110 serves to remove impurities (for example, brass, bacteria or microorganisms, etc.) contained in the raw water. The water purifier 110 may be configured with a plurality of filters, a motor pump and a water purification tank, and the like. A water purifier may be generally used.

The water purification pipe 120 is connected to the outlet side of the water purifier 110. The water pipe 120 is connected to the water pipe 140 for supplying purified water to the various dental medical devices, in particular, the handpiece 130 provided in the unit chair 150. The water pipe 140 may be connected to the purified water pipe 120 according to the number of unit chairs provided.

In the unit chair 150, a master block 160, an input unit 180, and a controller 190 are provided. In particular, a three-way valve 170 is provided in the water pipe 140.

The master block 160 supplies the purified water obtained from the water pipe 140 to the handpiece 130. In this case, an air pipe (not shown) may be connected to the master block 160 to supply air, and purified water and air may be respectively supplied through the water pipe 140 and the air pipe connected to the handpiece 130. It can supply by adjusting suitably.

The three-way valve 170 is installed in the water pipe 140 in the unit chair 150 between the master block 160 and the handpiece 130.

At this time, the first and second ends of the 3-way valve 170 are connected to the water pipe 140 and the third end is connected to the air pipe 145. That is, when the 3-way valve 170 is in the on state, the first and second ends are connected to introduce purified water into the water pipe 140. Is connected to the compressed air flows into the water pipe 140. When the three-way valve 170 is in the off state, the compressor operates to introduce compressed air into the water pipe 140. At this time, the compressed air introduced into the water pipe 140 is discharged to the outside through the handpiece 130. Therefore, the purified water stagnated in the water pipe 140 connected to the handpiece 130 of the unit chair 150 can be discharged to the outside.

The air pipe 145 connected to the third end of the 3-way valve 170 may be an air pipe connected to the master block 160.

In addition, the controller 190 controls the three-way valve 170 and the handpiece opening means 33.

In this case, the input unit 180 may be connected to the control unit 190 so that a user or a manufacturer may input data necessary for controlling the purified water discharge device 100 of the dental unit chair. ) May be attached to the outside of the unit chair 150 or may be separated into a separate device. In addition, the input unit 180 may not be separated, but may be connected to a central control device such as a computer.

In this case, the controller 190 may include a timer 191 and a device controller 192. The timer stores data input to the input unit 180 (data such as an operation time and an operation period of the handpiece opening means), compares the internal clock with the input data, and starts operation on the device controller 192. It has a function to transmit a signal or an operation end signal. The device controller 192 has a function of controlling the operation of the three-way valve 170 and the handpiece opening means 33 by an operation start signal or an operation end signal of the timer 191.

Looking at the handpiece 130 connected to the unit chair 150 in detail with reference to Figure 2, the handpiece 130 connected to the unit chair 150 by a guide tube is the handpiece holder 30 ) The water pipe 140 and the air pipe is built in the guide tube.

The handpiece holder 30 is composed of a handpiece body 31, a plurality of holder portions 32 for mounting the handpiece, and a handpiece opening means 33 for opening the handpiece.

As described above, when the three-way valve 170 is turned off by the controller 190 and the handpiece opening means 33 is operated to open the handpiece 130, the water pipe Compressed air flows into the 140 and the purified water stagnated in the water pipe 140 is discharged to the outside through the handpiece 130. Therefore, the biofilm may not be formed in the water pipe 140 connected to the handpiece 130 of the unit chair 150.

In addition to the above-described components, an auxiliary power supply (not shown) having a battery or the like that is operated when the supply of power to the device 100 is stopped is installed in the device 100 for discharging the dental unit chair. Can be. In addition, the purified water dispensing apparatus 100 of the dental unit chair may be further provided with a purified water discharging state indicator (not shown) indicating the discharging state. The purified water discharging state indicator may inform that the unit chair purified water dispensing device 100 is currently discharging purified water, or that the purified water in the unit chair 150 is already discharged.

Hereinafter, a method of discharging purified water using the purified water discharge device 100 of the dental unit chair will be described.

First, a dentist or a nurse who is a user inputs a time and an operating period of the handpiece opening means 33 through the input unit 180. The input record is recorded in the timer 191 of the controller 190. (First step) In this case, the operation time may be a time when the dental unit chair is not operated. This could be a stop lunch, after work or a hospital holiday.

Subsequently, the timer of the controller 190 proceeds to compare the recorded operation time with the current time. At this time, the timer 191 transmits an operation start signal to the device controller 192 when the operation time and the time in the timer (that is, the current time) coincide. (Second stage)

Subsequently, the device control unit 192 changes the three-way valve 170 from an on state to an off state after receiving the operation start signal, and operates the handpiece opening means 33 to operate the handpiece ( 130). At this time, the water pipe 140 is compressed air flows from the connected air pipe to discharge the purified water remaining in the water pipe 140 to the outside through the handpiece (130).

Subsequently, the timer 191 in the controller 190 compares the input operation period with the time elapsed from the operation time, and when the operation period and the elapsed time become the same, the device controller 192 of the controller 190. Transmits an operation end signal (step 4).

Finally, when the operation end signal is received, the device control unit 192 operates the handpiece opening means 33 to close the handpiece 130 to finish discharging the purified water in the water pipe 140. At this time, all the purified water is discharged in the water pipe 140 and only the compressed air remains. Therefore, the dental water purification apparatus 100 may maintain the inside of the water pipe 140 in a clean state after the discharging operation is completed, and then supply clean water to the patient.

In addition, in the dental water purification apparatus 100, the device control unit changes the three-way valve 170 to the on state, by operating the handpiece opening means 33 to open the handpiece 130 The sixth step of supplying purified water to the water pipe 140 and, after a predetermined operation time, the device control unit 192 operates the handpiece opening means 33 to close the handpiece 130 to the water The seventh step of stopping supply of purified water to the pipe 140 may be further performed. That is, the device control unit 192 receives a counting signal through the timer 191 and reaches the handpiece 130 of the unit chair 150 when it is time to use the unit chair (the time input and stored by the user). Fill the purified water in the water pipe 140 to be connected can be made into a standby state so that the purified water can be used immediately when medical treatment. In this case, in the sixth and seventh steps, the operation time and the operation period are input to the controller 190 in advance.

3 is a schematic diagram schematically illustrating a configuration of a water purification device of a dental unit chair according to a second embodiment of the present invention.

The water purification device 200 of the dental unit chair according to the second embodiment of the present invention is the three-way valve 270 is a unit chair 150 between the purified water pipe 120 and the master block 160 ) Is installed in the water pipe 140. Accordingly, when the three-way valve 270 is changed from the on state to the off state, and the handpiece opening means 33 is operated to open the handpiece 130, the three-way valve 270 is opened. The water remaining in the water pipe 140 from the position of the water pipe 140 connected to the water pipe 140 connected to the handpiece 130 of the unit chair 150, the handpiece 130 Can flow out through the. That is, the second embodiment of the present invention, compared to the first embodiment, the water pipe from the water pipe 140 connected in the water purification pipe 120 to the master block 160 provided in the unit chair 150 The purified water remaining at 140 can be discharged further.

Except for the above, it is the same as the device 100 for discharging the dental unit chair according to the first embodiment of the present invention.

4 is a schematic diagram schematically illustrating a configuration of an apparatus for discharging water of a dental unit chair according to a third embodiment of the present invention.

The purified water discharge device 300 of the dental unit chair according to the third embodiment of the present invention, the first three-way valve 370 is installed between the purified water pipe 120 and the master block 160, A second three-way valve 375 is installed in the water pipe 140 between the master block 160 and the handpiece 130. Accordingly, when the first and second three-way valves 370 and 375 are changed from the on state to the off state, and the handpiece opening means 33 is operated to open the handpiece 130, the Within the water pipe 140 from the position of the water pipe 140 to which the first three-way valve 370 is connected to the water pipe 140 connected to the handpiece 130 of the unit chair 150. The remaining purified water may flow out through the handpiece 130. That is, in the third embodiment of the present invention, the purified water remaining in the water pipe 140 may go out to the outside using a larger amount of compressed air than in the first embodiment.

Except for the above, it is the same as the device 100 for discharging the dental unit chair according to the first embodiment of the present invention.

Therefore, the purified water dispensing apparatus of the dental unit chair of the present invention does not use the dental unit chair when the purified water is stagnated in the water pipe, using a three-way valve and handpiece opening means for a specific time at a specific time By discharging the purified water through the piece, there is an effect that the biofilm is not formed in the water pipe connected to the handpiece of the unit chair.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. Could be.

Claims (12)

In the water purifying device of the dental unit chair provided with a handpiece for purifying water and air discharged from the water purifier, Handpiece; A water pipe for supplying purified water from the purified water pipe to the handpiece; A master block provided at a predetermined position of the water pipe and supplying purified water supplied from the purified water pipe to the handpiece; A valve located at a predetermined position of the water pipe and connected to an air pipe; And And a controller configured to control the valve and the handpiece to discharge the purified water through the handpiece when the purified water supplied from the water purifier is not discharged for a predetermined time. A device for dispensing water for dental unit chairs. The method of claim 1, In the on state, the valve blocks the inflow of the compressed air of the air pipe and inflows the purified water from the purified water pipe into the water pipe. In the off state, the valve blocks the purified water from the purified water pipe. The device for dispensing water of a dental unit chair according to claim 1, wherein compressed air is introduced into the water pipe. The method of claim 2, And said handpiece is open in the off state of said valve. The method of claim 2, Wherein said valve is a three-way valve. The method of claim 2, And said valve is provided in said water pipe between said master block and said handpiece. The method of claim 2, The valve is a water purification device of the dental unit chair, characterized in that provided in the water pipe between the water purification pipe and the master block. The method of claim 2, The valve is a water purification device of the dental unit chair, characterized in that provided in the water pipe between the water pipe and the master block and between the master block and the handpiece. The method of claim 1, And a handpiece holder provided with an opening means for opening and closing the handpiece. The method of claim 8, The controller: A timer comparing the input time with the current time; And And a device control unit for controlling the operation of the opening means provided in the valve and the handpiece holder in response to the signal of the timer. The method of claim 8, And an input unit connected to the control unit and configured to input an operation time and an operation period by the user. The method according to claim 9 or 10, A device for discharging water for dental unit chairs, further comprising: an auxiliary power supply operated when the power supply is interrupted. The method according to claim 9 or 10, A device for dispensing water for dental unit chairs, further comprising;

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