KR20060022139A - Washing and sterilizing apparatus for dental tools - Google Patents

Abstract

The cleaning and disinfection device for dental surgery of the present invention disinfects using an ultraviolet lamp to simultaneously perform cleaning and disinfection of a dental device such as a handpiece and a scaler device that enters the patient's mouth in front of the patient at the time of treating the patient. As it proceeds with the washing by spraying the washing water and air at the same time, the hygiene state is greatly improved, and by making it compact, it does not occupy a large space of the installation of the apparatus.

Dental equipment, washing, disinfection, washing water, lotion, UV lamp, water pump

Description

WASHING AND STERILIZING APPARATUS FOR DENTAL TOOLS}             

1 is a perspective view of a cleaning and disinfecting apparatus for a dental appliance according to a first embodiment of the present invention;

FIG. 2 is a perspective view showing the main and auxiliary devices separately from the apparatus of FIG. 1; FIG.

3 is an exploded perspective view showing the internal structure of the main apparatus in FIG. 2 separately;

4 is a cross-sectional view showing the asserted value in FIG.

5 is a block diagram schematically illustrating a configuration for the overall operation of the cleaning and disinfection device of FIG. 1;

6 is a perspective view of a washing and disinfecting device for a dental medical device according to a second embodiment of the present invention, the main device and the auxiliary device being separated;

7 is a block diagram schematically showing a configuration for the overall operation of the cleaning and disinfection device of FIG. And

8 is a cross-sectional view showing a cleaning and disinfection device for a dental medical device according to a third embodiment of the present invention.

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

10: main device 20: auxiliary device

30: control panel 33: entrance opening

35: cover 37: washing water tank

39: wastewater tank 50: ultraviolet lamp

51: fixing member 53: buffer member

55: sensor housing 56: position sensor

57: tube 58: nozzle

61: upper support member 70: stop member

71: groove 80: lower support member

82: center support 83: hole

86: main body 90: nozzle rod

91: nozzle 93: water conduit

95: air conduit 100: motor pump

103, 113, 131, 133: solenoid valve

The present invention relates to a dental cleaning and disinfection device, and more particularly to hygiene by performing the cleaning and disinfection of the dental medical equipment, such as a handpiece and scaler device that enters the patient's mouth in front of the patient at the time of treatment. The present invention relates to a dental cleaning and disinfection device which greatly improves the condition and is manufactured in a small size so that the installation space of the device is not largely occupied.

In general, when a foreign substance or contaminant penetrates a dental medical device such as a handpiece or scaler device used in a dental treatment such as tooth removal or polishing, the dental medical device is disinfected and sterilized before being used by other patients. It should be used.

Therefore, in order to disinfect and sterilize the contaminants penetrated into the dental medical device, it must be sterilized in an autoclave for a long time. In order to use the handpiece which is most used in the dental treatment after sterilization for a long time, a plurality of handpieces must be purchased and used alternately. Accordingly, the cost of purchasing the handpiece increases, which causes an economic burden. For this reason, it is impossible to secure a large amount of handpieces, and in most cases, it is used after a short time sterilization. In the case of such simple sterilization, since the contaminants are latent in the space inside the handpiece, such as the dead space of the water pipe and the air line turbine, they cannot be effectively removed by disinfecting them. There have been frequent cases of transmission to other patients in the form of. Therefore, it is recommended that each patient be used after disinfection and sterilization.

In addition, in order to sterilize contaminants penetrated into the handpiece, it is exposed to heat for a long time in the autoclave. When the handpiece is exposed to heat for a long time, there is a problem that the life of the handpiece may be shortened or damaged due to severe thermal shock.

In addition, the existing autoclave has a disadvantage that the equipment is large, there is a space constraint and the price of the equipment is expensive.

In order to solve the problems as described above, the present inventors have filed the application as Korean Patent Application No. 10-2004-0051346 (July 2, 2004) under the name "disinfection and sterilization device for dental medical devices". . The patent discloses a device for disinfecting and sterilizing a dental medical device such as a handpiece inserted into the main body by installing a plurality of ultraviolet lamps in the dome-shaped main body. However, the patent does not remove the foreign matter such as tartar or contaminants on the outer surface of the handpiece during treatment by immediately proceeding ultraviolet disinfection without washing the handpiece after treating the patient. Therefore, foreign material remaining in the handpiece after disinfection could cause discomfort to the next patient, and the handpiece itself could corrode or cause failure.

Therefore, there has been a continuous need for a device capable of performing a cleaning function in addition to the disinfection function in the dental care industry.

 The present invention has been made in order to solve the problems of the prior art as described above, an object of the present invention is to provide a cleaning and disinfection device for a dental medical device to completely remove the foreign substances on the medical device by proceeding at the same time washing and disinfection To provide.

Another object of the present invention to extend the life of the handpiece by simultaneously washing and disinfecting the handpiece, there is no need to secure a large number of handpieces to provide a dental cleaning and disinfection mechanism for reducing the economic burden There is.

Still another object of the present invention is to provide a dental medical cleaning and disinfection device that can be reduced in size to facilitate installation and movement.

Still another object of the present invention is to provide a cleaning and disinfection device for a dental medical device that can be directly installed on a dental treatment table.

In order to achieve the above object, the cleaning and disinfection device for a dental medical device according to the first embodiment of the present invention is a transparent cylindrical quartz tube; An upper support member installed inside the upper side of the quartz tube, having an inlet opening formed at the center thereof, and having a screw-type upper protrusion wall protruding upward from the center and a lower protrusion wall protruding downward; An expandable tube installed on an inner wall of the lower protrusion wall of the upper support member and provided with a nozzle for withdrawing air from one side thereof; A lower support member disposed below the quartz tube, having a central support portion having a recessed portion at the center thereof, and a central support portion integrally connected to the central support portion by a plurality of bridges; A stop member seated on the lower support member, the stop member having a plurality of grooves formed along an outer circumference thereof and having a protrusion corresponding to a main portion of the central support portion at a bottom thereof; A plurality of nozzle rods are provided along the height direction of the quartz tube through the hole of the body portion and the groove of the stop member, each nozzle rod is provided with a plurality of nozzles for supplying the washing water and air It includes a nozzle rod.

A sensor housing with a position sensor is installed on an inner wall of the upper protrusion wall of the upper support member, and a shock absorbing member is installed on an upper portion of the sensor housing, and the screw is coupled to the upper protrusion wall to fix the sensor housing and the buffer member. The fixing member is mounted, it characterized in that the installation further opening and closing the cover in contact with the buffer member.

A plurality of O-rings are installed between the lower protrusion wall of the upper support member and the quartz tube.

The diameter of the stop member is smaller than the diameter of the quartz tube.

A plurality of O-rings are installed between the outer circumferential wall of the lower support member and the quartz tube.

The nozzle of the nozzle rod has a first flow path for spraying washing water and a second flow path for spraying air, the water conduit is connected to the first flow path through the nozzle rod, and the air conduit communicates to the inside of the nozzle rod. It features.

A water pump connected to the water conduit of the nozzle rod through a solenoid valve; A washing water tank connected to the water pump; A wastewater tank connected to the lower support member for storing wastewater; A motor pump that maintains a vacuum state by supplying or sucking air, which is connected to the air conduit via a solenoid valve to supply air, and is connected to a nozzle of the tube via a forward solenoid valve to the waste water. A motor pump connected to the waste water tank to vacuum the tank; And a reverse solenoid valve connected to the nozzle to draw air from the tube.

A water pump connected to the water conduit of the nozzle rod; A first solenoid valve connected to the water pump; A second solenoid valve connected to the water pump; A washing water tank connected to the first solenoid valve; A cosmetic lotion tank connected to the second solenoid valve; A wastewater tank connected to the lower support member for storing wastewater; A motor pump that maintains a vacuum state by supplying or sucking air, which is connected to the air conduit via a solenoid valve to supply air, and is connected to a nozzle of the tube via a forward solenoid valve to the waste water. A motor pump connected to the waste water tank to vacuum the tank; And a reverse solenoid valve connected to the nozzle to draw air from the tube.

And at least one ultraviolet lamp proximate to the circumferential wall of the quartz tube.

Hereinafter, with reference to the accompanying drawings will be described in detail the cleaning and disinfection device for a dental medical device according to a first embodiment of the present invention.

1 and 2, the cleaning and disinfection device for a dental medical apparatus according to the first embodiment of the present invention is a main device 10 for cleaning and disinfection, and a driving device for the operation of the main device 10 (Fig. (Not shown) and a wash water tank 37 for storing wash water or disinfectant water and a waste water tank 39 for storing waste water after washing, and an auxiliary device 20 for mounting the main device 10 at the same time. do. Although not shown, the auxiliary device 20 may be provided with a ballast for disinfection UV lamp.

An inlet opening 33 is formed at the center of the front surface of the main device 10 to communicate with the inside thereof. Medical devices for cleaning and disinfection may be inserted into the inlet opening 33.

The inlet opening 33 may be opened and closed by a cover 35 installed on the top surface of the main device 10 to prevent the introduction of foreign matter.

In addition, the control panel 30 for operating the cleaning and disinfection mechanism of the present invention is installed on the upper portion of the main device 10, the control panel 30, although not shown in detail, selectively cleaning and disinfection A number of buttons (not shown) can be provided to run, control run times, and control cleaning and disinfection methods.

At least one ultraviolet lamp 50 is generally mounted on the outside of the internal structure for cleaning so that disinfection may be simultaneously performed with the cleaning.

As shown in Figure 3 and 4, in the cleaning and disinfection mechanism according to the present invention, the cleaning is made in the center around the quartz tube 60, the outer peripheral portion of the quartz tube 60 from the outside Disinfection is made by the ultraviolet lamp 50 installed in. Looking at the internal structure in detail, the upper support member 61 is installed on the upper portion of the quartz tube 60, the lower support member 80 is installed below. The upper support member 61 may extend through the wall of the quartz tube 60 to the inner wall of the main body of the main device 10.

The upper support member 61 protrudes upward and its outer circumferential surface is a screw-shaped circular upper protrusion wall 62, a lower protrusion wall 63 protruding downward and a plurality of grooves formed on the outer circumferential surface thereof, and an inner wall thereof. The first step 153 is formed at a predetermined position, and the second step 155 protruding therein is formed at the bottom thereof.

The second step 155 is provided with an expandable tube 57, one side of the tube 57 is integrally formed with a nozzle 58 for injecting or discharging air. The tube 57 is expandable and expands when the medical device is inserted into the inside, and contracts when the medical device exits to the outside after the cleaning and disinfection is completed, thereby fixing or accessing the medical device.

The first step 153 is provided with a sensor housing 55 having an LED position sensor 56 provided to face the light emitting portion and the light receiving portion, and the upper part of the sensor housing 55 is sealed with a lid 35 In order to increase the capability, a cushioning member 53 formed of an elastic material such as rubber is installed.

The shock absorbing member 53, the sensor housing 55 and the expandable tube 57 are fixedly sealably fixed by the fastening member 51 screwed to the threaded upper protruding wall 62 of the upper support member 61. Is installed.

A plurality of grooves formed on the outer circumferential surface of the lower protrusion wall 63 are provided with a plurality of O-rings 65 to increase the sealing ability with the quartz tube 60. The plurality of O-rings 65 prevents water from climbing up the inner wall of the quartz tube 60 during the cleaning operation.

In addition, the lower support member 80 is installed in the lower portion of the quartz tube 60, the central support portion 82 is formed with a recess portion 81 in the center of the lower support member by a plurality of bridges (84) It is connected to the main body portion 86 of the (80). In this way, a flow path 87 through which fluid flows is formed between the central support part 82 and the lower support member 80. In addition, an outlet port 89 is integrally formed at the lower center of the lower support member 80 to be integrally connected to the flow path 87 to discharge the wastewater.

In addition, a plurality of holes 83 penetrate from the top to the bottom of the main body 86 of the lower support member 80.

A plurality of grooves are formed in the outer circumferential wall of the lower support member 80 so that a plurality of O-rings 73 are mounted in the grooves for sealing the quartz tube 60.

In addition, the upper portion of the lower support member 80 is equipped with a stop member 70 that serves as a stopper of the cleaning and disinfection medical device inserted into the interior through the inlet opening 33, the outer peripheral portion of the stop member 70 A plurality of grooves 71 are formed in the bottom portion, and the bottom portion is formed with a protrusion 75 protruding downward. The protrusion 75 has a shape corresponding to the recessed portion 81 of the central support 82.

Accordingly, the protrusion 75 of the stop member 70 is seated on the recessed portion 81 of the central support 82, and serves as a stopper.

The stop member 70 has a diameter smaller than an upper diameter of the lower support member 80 and a diameter of the quartz tube 60, and the wastewater is discharged between the quartz tube 60. The annular hole 85 may be formed.

In addition, the nozzle rod 90 passes through the plurality of holes 83 formed in the main body 86 of the lower support member 80 and the groove 71 of the stop member 70. It is mounted in the height direction. Each nozzle rod 90 is provided with a plurality of nozzles 91, the nozzle 91 is air in the outer periphery of the first flow path 94 and the first flow path 94, the washing water is sprayed in the center thereof An annular second flow passage 96 is formed. The first passage 94 is integrally connected to the water conduit 93 so that the washing water can be supplied and sprayed, and the second passage 96 itself is in communication with the inside of the nozzle rod 90 so that the air The air supplied into the nozzle rod 90 may be injected through the conduit 95.

Between the groove 71 of the stop member 70 and the nozzle rod 90, there is a play for the discharge of waste water.

As shown in FIGS. 4 and 5, the cleaning and disinfection instrument 10 according to the present invention requires additional components for its operation. First, the air conduit 95 is connected to the air outlet of the motor pump 100 through the solenoid valve 103 to supply air to the cleaning and disinfection device 10, and the cleaning and disinfection device 10 The outlet port 89 is connected to the air inlet of the motor pump 100 with the waste water tank 39 interposed therebetween to forcibly discharge the waste water generated after the internal washing.

In addition, the nozzle 58 of the inflatable tube 57 is connected to the air outlet of the motor pump 100 via the forward solenoid valve 131, the nozzle 58 is required from the tube 57 A reverse solenoid valve 133 is connected to extract air at the time.

In addition, the water conduit 93 is connected to the water pump 110 via the solenoid valve 113, the water pump 110 is connected to the wash water tank 37.

Many of the solenoid valves mentioned above are generally commercially available to prevent backflow of air or water.

Hereinafter, the operation of the cleaning and disinfection device for a dental appliance according to the present invention will be described in detail.

Operation of the dental cleaning and disinfection device according to the present invention is carried out in a washing step, a drying step, and an ultraviolet disinfection step which are largely washed with washing water. Of course, sterilized water or distilled water may be used instead of the wash water used in the washing step. Although there are several types of the disinfectant water, it is preferable to use strongly acidic water generated when the water is electrolyzed, and when such disinfectant water is used, both disinfection and water can be simultaneously disinfected.

At this time, the washing step is carried out by spraying the high pressure air and the washing water at the same time for about 3 seconds, after which the washing water is intermittently sprayed for about 3 seconds about 5 times per second while continuing to spray the washing water Allow to be sprayed in waves. That is, the washing step is about 6 seconds.

After the washing step is a drying step, the drying step is carried out by spraying high pressure air for about 3 seconds.

In addition, the disinfection step operates the ultraviolet lamp at the same time as the start of the cleaning step to continue to generate ultraviolet rays for about 3 seconds after the drying step to disinfect the medical device. Therefore, the disinfection step is performed continuously for about 12 seconds.

Looking at the mechanical operation of the cleaning and disinfection apparatus of the present invention step by step, as follows.

First, open the cover 35 of the main device 10 to be cleaned and sterilized and inserted into the main device 10 through the inlet opening 33. The inserted medical device stops at the upper surface of the stop member 70. When the medical device is inserted in this way, when the position sensor 56 detects the insertion of the medical device and sends a signal to the controller (not shown), the motor pump 100 operates to the nozzle 58 via the forward solenoid valve 131. Supply air. The air supplied through the nozzle 58 expands the expandable tube 57, and the inflated tube 57 holds and grips the handle of the medical device.

The fixing of the medical device is completed, the washing step is started and at the same time the ultraviolet lamp 50 also starts to operate.

Thereafter, the water pump 110 is operated to extract the wash water from the wash water tank 37 and supply the water to the water conduit 93 via the solenoid valve 113. The wash water supplied to the water conduit 93 is sprayed through the first passage 94 of the nozzle 91. At the same time, the air supplied through the air outlet of the motor pump 100 is injected into the nozzle rod 90 through the solenoid valve 103 and the air conduit 95. The high pressure air injected into the nozzle rod 90 is injected at a high pressure through the second passage 96 of the plurality of nozzles 91.

In this way, the washing water is sprayed together with the high-pressure air, it is easy to remove the foreign matter adhering to the surface of the medical device to be washed. In addition, as described above according to the washing method, if the wave washing or the like is performed, the washing efficiency will be further increased.

Wastewater generated while the washing is performed is provided between the annular hole 85 between the stop member 70 and the quartz tube 60, and between the nozzle rod 90 and the groove 71 of the stop member 70. It flows downward through the clearance of the, and is conveyed to the wastewater tank 39 through the flow path 87 and the outlet port (89). At this time, the outlet port 89 is connected to the air inlet of the motor pump 100. When the motor pump 100 is operated, the waste water tank 39 is in a vacuum state from the outlet port 89. Forced suction of waste water.

After about 6 seconds of full cleaning is completed, the supply of washing water is stopped and the high pressure air is continuously injected to carry out the drying step. This drying step is carried out for about 3 seconds.

As such, even after the drying step is completed, the operation of the ultraviolet lamp is further performed for about three seconds to continue disinfection using ultraviolet rays.

Therefore, the disinfection using ultraviolet rays is performed for several seconds after the completion of the drying step from the start of the washing step, preferably in the range of about 12 seconds to 15 seconds.

As described above, when the cleaning and ultraviolet disinfection is completed, the air of the tube 57 is released by the operation of the reverse solenoid 133 connected to the nozzle 58 of the inflatable tube 57, the holding device The existing tube 57 is contracted.

Therefore, the medical device can be taken out through the inlet opening 33 and finally used for the treatment of the patient.

Hereinafter, a cleaning and disinfection device for a dental medical device according to a second embodiment of the present invention will be described.

Figure 6 is a dental cleaning and disinfection device according to a second embodiment of the present invention, a perspective view showing a separate main and auxiliary devices, Figure 7 is a configuration for the overall operation of the cleaning and disinfection device of Figure 6 Is a block diagram schematically showing

6 and 7, except that the toilet according to the first embodiment of the present invention except for having a lotion tank (243) for injecting the lotion in the washing medical equipment and a solenoid valve for the lotion injection is installed in addition thereto Same as cleaning and disinfection equipment for medical devices. Therefore, the description of the same parts as the components of the first embodiment of the present invention will be omitted.

Auxiliary device 120 of the cleaning and disinfection device for a dental medical device according to the second embodiment of the present invention includes a washing water tank 237, a lotion tank 243 and a waste water tank (239). In addition, the solenoid valves 113 and 213 for the washing water tank 237 and the cosmetic water tank 243 are installed, respectively, and the solenoid valves 113 and 213 are provided through the water pump 110. Connected to 93.

The lotion mentioned above is water containing the fragrance of the plant generated as a by-product when extracting the essential oil using the plant, and may use various plant fragrances.

Therefore, the lotion from the lotion tank 243 is sprayed onto the outer surface of the medical device together with the washing so as to smell in the medical device.

The washing and disinfecting apparatus according to the second embodiment of the present invention is somewhat different from the first embodiment of the present invention in the method of spraying the washing water and the lotion.

Operation of the dental cleaning and disinfection device according to the second embodiment of the present invention is largely carried out in the washing step, the first drying step, the lotion spraying step, the second drying step and ultraviolet disinfection step to wash with washing water.

At this time, the washing step is carried out by spraying the high pressure air and the washing water at the same time for about 3 seconds, after which the washing water is intermittently sprayed for about 3 seconds about 5 times per second while continuing to spray the washing water Allow to be sprayed in waves. That is, the washing step is about 6 seconds.

After the washing step, a first drying step is performed, and the first drying step is performed by spraying high pressure air for about 3 seconds.

Thereafter, the lotion spraying step is performed by spraying the lotion for about 1 second.

After the injection of the lotion, a secondary drying step is performed. The secondary drying step is also performed by spraying high pressure air for about 3 seconds.

In addition, the disinfection step operates the ultraviolet lamp at the same time as the start of the cleaning step to continue to generate ultraviolet light for about 2 seconds after the drying step to disinfect the medical device. Therefore, the disinfection step is performed continuously for about 15 seconds.

Hereinafter, a cleaning and disinfection device for a dental medical device according to a third embodiment of the present invention will be described.

8 is a cross-sectional view showing a cleaning and disinfection device for a dental medical device according to a third embodiment of the present invention.

As shown in FIG. 8, the cleaning and disinfecting apparatus for a dental appliance according to the third embodiment of the present invention is the same as the first embodiment of the present invention except that the ultraviolet lamp is removed.

That is, the washing and disinfecting apparatus for the dental medical apparatus according to the third embodiment of the present invention fills the disinfecting water into the washing water tank 37 without using an ultraviolet lamp as a disinfecting apparatus, so that disinfection using liquid is performed simultaneously with washing. .

The dental cleaning and disinfection device according to the present invention as described above may be used in various forms. Optionally, the claim may be used by connecting directly to the dental treatment table, rather than to the assistive device.

Dental cleaning and disinfection device according to the present invention has the advantage that can be carried out at the same time washing and disinfection to completely remove the foreign matter on the medical device.

In addition, by simultaneously washing and disinfecting the handpiece, it is possible to extend the life of the handpiece, to reduce the economic burden by not having to secure a large number of handpieces, and to reduce the size of the device to facilitate installation and movement. Can be.

In particular, by using the disinfection and sterilization apparatus according to the present invention, since it is easy to install anywhere the patient's eyes stay, the doctor by disinfecting and using instruments such as handpieces and scalers that enter his mouth in front of the patient And to increase the reliability of the hospital.                     

This description provides a legendary embodiment of the invention. The scope of this description is not limited by such a legendary embodiment. Although expressly provided or implied by the specification, numerous modifications may be made by one of ordinary skill in the art in view of this description, such as variations in shape, dimensions, material type, or fabrication process.

Claims (9)

As a cleaning and disinfection device for dental Transparent cylindrical quartz tube 60; It is installed inside the upper side of the quartz tube 60, the inlet opening 33 is formed in the center, the screw-type upper projection wall 62 protruding to the upper portion of the center and the lower projection wall 63 protruding downwards An upper support member 61 having a; An expandable tube (57) installed on an inner wall of the lower protrusion wall (63) of the upper support member (61) and having a nozzle (58) for drawing out air on one side thereof; The main body portion 86 is provided in the lower portion of the quartz tube 60, the central support portion 82 is formed in the center and the central support portion 82 is integrally connected by a plurality of bridges (84) A lower support member 80 having a plurality of holes 83 therethrough; A stop is provided on the lower support member 80, a plurality of grooves 71 are formed along the outer circumferential portion and a protrusion 75 corresponding to the recessed portion 81 of the central support portion 82 at the bottom thereof. Member 70; A plurality of nozzle rods 90 are installed along the height direction of the quartz tube 60 through the holes 83 of the body portion 86 and the grooves 71 of the stop member 70, respectively, The nozzle rod (90) of the dental cleaning and disinfection device comprising a; a plurality of nozzle rods (90) are provided with a plurality of nozzles (91) for supplying the washing water and air. The method of claim 1, A sensor housing 55 containing a position sensor 56 is installed on an inner wall of the upper protrusion wall 62 of the upper support member 61, and a buffer member 53 is installed on an upper portion of the sensor housing 55. In order to fix and install the sensor housing 55 and the buffer member 53, a fixing member 51 for screwing with the upper protrusion wall 62 is mounted, and an openable cover which is in surface contact with the buffer member 53. Dental equipment for cleaning and disinfection, characterized in that the installation further 35. The method of claim 2, Cleaning and disinfection mechanism for a dental medical, characterized in that a plurality of O-rings 65 is installed between the lower projection wall (63) of the upper support member (61) and the quartz tube (60). The method of claim 1, Cleaning and disinfection device for a dental medical, characterized in that the diameter of the stop member 70 is smaller than the diameter of the quartz tube (60). The method of claim 1, Cleaning and disinfection mechanism for a dental medical device, characterized in that a plurality of O-rings (73) is installed between the outer peripheral wall of the lower support member (80) and the quartz tube (60). The method of claim 1, The nozzle 91 of the nozzle rod 90 has a first passage 94 for spraying washing water and a second passage 96 for spraying air, and the water conduit 93 has a nozzle rod 90. Passing through the first passage (94) and the air conduit (95) is a dental medical cleaning and disinfection device, characterized in that the communication to the interior of the nozzle rod (90). The method of claim 6, A water pump 110 connected to the water conduit 93 of the nozzle rod 90 via a solenoid valve 113; A washing water tank 37 connected to the water pump 110; A wastewater tank 39 connected to the lower support member 80 for storing wastewater; A motor pump 100 which maintains a vacuum state by supplying or sucking air, which is connected to the air conduit 95 via a solenoid valve 103 to supply air, and the nozzle of the tube 57. A motor pump 100 connected to the waste solenoid valve 131 via a forward solenoid valve 131 and connected to the waste water tank 39 to vacuum the waste water tank 39; And And a reverse solenoid valve (133) connected to the nozzle (58) for extracting air from the tube (57). The method of claim 6, A water pump 110 connected to the water conduit 93 of the nozzle rod 90; A first solenoid valve 113 connected to the water pump 110; A second solenoid valve 213 connected to the water pump 110; A washing water tank 237 connected to the first solenoid valve 113; A cosmetic lotion tank 243 connected to the second solenoid valve 213; A wastewater tank 239 connected to the lower support member 80 for storing wastewater; A motor pump 100 which maintains a vacuum state by supplying or sucking air, which is connected to the air conduit 95 via a solenoid valve 103 to supply air, and the nozzle of the tube 57. A motor pump 100 connected to the waste solenoid valve 131 via a forward solenoid valve 131, and connected to the waste water tank 239 to vacuum the waste water tank 239; And And a reverse solenoid valve (133) connected to the nozzle (58) for extracting air from the tube (57). The method according to any one of claims 1 to 8, Cleaning and disinfection device for a dental medical device further comprises at least one ultraviolet lamp (50) in close proximity to the circumferential wall of the quartz tube (60).

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