KR20080090868A - The washing sterilizer with ultraviolet rays activator for water purifier - Google Patents

Abstract

A washing and sterilizing device for medical equipments using a photo reactor is provided to extend a life of the medical equipments and to prevent damage of them by washing and sterilizing polluted medical equipments efficiently and shortly, and to improve sterilization efficiency by generation of radical. A washing and sterilizing device for medical equipments includes: a housing(11) having a washing and sterilizing tank(11B) with the opened top; an ozone water storage tank(12) installed in the housing, and storing ozone water discharged an ejector(12A); a residue ozone remover(13) resolving, reducing, and discharging residue ozone in the ozone water storage tank; an ozone generator(14) for supplying ozone to the ejector; an ozone water pump(15) for supplying the ozone water to spray nozzles(11A) in the washing and sterilizing tank; a cover(16) for covering the washing and sterilizing tank; a photo accelerator(17) comprising a reflection plate(17A) connected to the upper side of the cover, and an ultraviolet lamp(17B) for radiating ultraviolet rays to the washing and sterilizing tank; and a controller(19).

Description

Washing sterilizer for medical devices using photoreactors {The washing sterilizer with ultraviolet rays activator for water purifier}

1 is a cross-sectional configuration diagram of a device of a first embodiment of the present invention;

Figure 2 is a cross-sectional configuration of the device of a second embodiment of the present invention.

Figure 3 is a cross-sectional configuration of the device of a third embodiment of the present invention.

           ((Explanation of symbols for main part of drawing))

    11. Housing 11A. Injection nozzle 11B. Washing sterilization tank

    11C. Water Connection 11D. Drainage Connection 12. Ozone Water Storage Tank

    12A. Ejector 13. Surplus Ozone Eliminator 14. Ozone Generator

    15. Ozone water pump 16. Cover 17. Photo accelerator

    17A. Reflector 17B. UV Lamp 18. Controller

    19. Sterilization stage 20. Water filter 21. Line mixer

    D. Drain P1. Drainage Pipe P2. Water supply pipe

    S. Water level sensor V. Automatic valve W. Transparent window

The present invention continuously sterilizes ozone water toward a medical device deposited in ozone-dissolved ozone water, thereby cleaning and sterilizing the medical device by the injection pressure and vortex of ozone water, and improving sterilization efficiency by radicals generated by irradiating ultraviolet light to ozone water. The present invention relates to a medical sterilization device using a photoreactor for further improvement.

Various medical devices are used for various medical activities. Among them, the most susceptible to contaminants in human body is surgery or medical equipment used in surgery and dentistry. Surgical medical devices are mainly used in large hospitals. In the case of dentistry, various medical devices that come into contact with the body in many private hospitals are also used.

In other words, unlike most surgeries performed in large hospitals, in the case of dentistry, various kinds of medical treatments such as tooth removal and grinding, handpieces, scalers, implant drills, etc., are used in various procedures, surgery, and treatment. Dental devices are commonly used regardless of the size of the hospital or clinic.

Regardless of the field, foreign matter or contaminants transferred from the patient are inevitably buried on the surface or inside of the various medical devices as described above, and must be cleaned and sterilized before use in order to use them again in other patients. The sterilization method is as follows.

Dental medical instruments and surgical instruments contaminated by various foreign materials, as well as most medical devices are generally put into an autoclave and sterilized for a long time. Autoclave is a kind of pressure vessel that can be sealed. Various medical devices put in autoclave are sterilized by heating to 100 ℃ or higher.

The sterilization method using the autoclave as described above has the advantage that the medical device can be sterilized reliably, but there is a disadvantage that the processing time is long and the price of the autoclave itself is expensive.

That is, in order to use sterilized medical devices used in various medical treatments or treatments and surgical procedures for a long time, a plurality of medical devices must be purchased and used alternately, thereby increasing the cost of purchasing medical devices.

Therefore, in general hospitals and clinics, especially in the case of dentistry, it is recommended to use it after simple sterilization, which is relatively short in time, rather than a large hospital that can secure enough medical devices to be sterilized using autoclave. It is common.

However, in the case of simple disinfection, contaminants remaining in the space inside medical devices such as water pipes or air pipes cannot be effectively removed, and as a result, when the simple sterilized medical device is used for another patient, the contaminants hidden in the medical device are aerosolized. There have been frequent cases of infection being transferred to other patients in the form of.

Therefore, it is recommended to disinfect and sterilize each patient after treatment, and in order to sterilize contaminants penetrated into each medical device, heat must be applied under pressure for a long time using an autoclave. When pressurized and heated for a long time there was a problem that the life of the medical device is shortened or the risk of damage and corrosion is high due to severe thermal shock.

In order to solve the above problems, in particular, a simple to disinfect and sterilize dental medical devices such as handpieces installed in the main body of the medical device by installing a plurality of ultraviolet lamps to be suitable for use in small bottles and clinics Disinfection devices were developed, but by disinfecting the UV light immediately after the patient was not cleaned, the various foreign substances such as tartar and contaminants on the outer surface of the medical device could not be removed during the treatment.

Therefore, foreign substances remaining in the medical device even after disinfection may cause discomfort to the next patient, not only the handpiece itself may be corroded, but also cause a breakdown. It should have been possible, but there was no suitable device to meet those needs.

SUMMARY OF THE INVENTION The present invention has been made to solve various problems with conventional methods of cleaning and sterilizing medical devices used as described above, in particular, dental medical devices of all sizes. In particular, by simultaneously cleaning and sterilizing dental devices, foreign substances on medical devices can be removed, and treatment can be performed at room temperature in a short time without applying heat, thereby prolonging the life of medical devices and preventing damage. In order to reduce the economic burden of purchasing medical devices by minimizing the number of extra medical devices to be used for cleaning and sterilization of medical devices, the device can be efficiently cleaned and sterilized in a short time. There is an object of the present invention.

Another object of the present invention is to sterilize medical devices by irradiating ultraviolet light to ozone water, utilizing sterilization power of ozone and ultraviolet light itself, and simultaneously accelerating photolysis of ozone by ultraviolet light so that various radicals having strong sterilization power are generated. It is to provide a device that can quickly and effectively disintegrate and sterilize various organic substances or harmful bacteria contaminated during washing.

The above object of the present invention is achieved by an ozone melting tank equipped with an ejector and an optical accelerator combined with an ultraviolet lamp.

Medical device cleaning sterilization apparatus using the photoreactor of the present invention, by continuously spraying ozone water toward the medical device in the state of being deposited in ozone water to be washed, and irradiated with ultraviolet light to ozone water to generate various radicals (radical) In order to completely sterilize the bacteria and the like remaining in the medical device, it is characterized in that the compact (compact) can be efficiently used in small individual hospitals and clinics.

As described above, the apparatus of the present invention can be largely classified into an ozone dissolving unit, a washing sterilizing unit, and a photo-promoting unit.

The ozone dissolving unit is a part that dissolves ozone generated in the ozone generator in water. The ozone dissolving unit is composed of an ozone generator, an ejector, and an ozone water storage tank. The externally supplied water and ozone generated in the ozone generator are separated from each other by the ejector. After mixing, ozone water is produced and stored temporarily in the ozone water storage tank.

The ejector is a device for injecting a fluid at an appropriate pressure and sucking and discharging another fluid to the injected fluid. The ejector sucks ozone into water injected through the other side of the ejector while injecting water into one of the ejectors. In this way, ozone water is produced.

The cleaning sterilization unit is a part in which the used medical instruments are washed and sterilized, and the cleaning sterilization stand containing the medical instruments can be equipped with an upward open cleaning sterilization tank covered by a cover, and a plurality of spray nozzles are provided inside the cleaning sterilization tank. It is a structure provided.

In other words, ozone water produced in the ozone dissolving unit is sprayed into the washing sterilization cradle mounted in the washing sterilization tank through the spray nozzle inside the washing sterilization tank.

In addition, the washing sterilization stage has an outer shape such as a bowl or a box having an upward open inner space, and is formed by connecting a plurality of wire rods, so that a plurality of through holes are naturally formed in the side wall portion and the entire bottom portion, or wire rods. It is a structure in which a plurality of through holes are artificially formed without being formed, and the ozone water injected through the injection nozzle reaches the medical equipment contained in the washing sterilization stage through the through holes.

At this time, the washing sterilization stage is partially contained in the ozone water filled in the washing sterilization tank, the injection pressure of the ozone water injected by the spray nozzle is transmitted to the medical device through the ozone water filled in the washing sterilization tank.

In addition, vortices are generated in the ozone water filled with the cleaning sterilization tank by the injection pressure of the ozone water. The foreign substances on the surface of the medical device are separated and washed by the injection pressure of the ozone water and the vortex in the ozone water.

The photo-promoting unit accelerates photolysis of ozone by irradiating the ozone water filled in the washing sterilization tank with ultraviolet light, so that various radicals with strong sterilizing power are generated, and these radicals further promote the decomposition of ozone, To serve to make the sterilization of the more effective, it is coupled to the cover covering the washing sterilization tank, at least one ultraviolet lamp is provided.

Details of the effects and the resulting effects, including the object and technical configuration of the present invention will be clearly understood by the following description with reference to the drawings showing a preferred embodiment of the present invention.

1 is a cross-sectional view of the cleaning sterilization apparatus for medical devices using the photoreactor of the present invention.

As shown the device of the present invention,

An open top cleaning sterilization tank 11B having a drain hole D is formed at the center of the upper surface of the bottom and sidewalls of the jet nozzles 11A for ozone water injection. A box-shaped housing 11 through which a drain connector 11D connected to the drain pipe P1 is coupled to the side wall or the bottom;

The ejector 12A is coupled to the inside of the housing 11 and injects water through one side connected to the water supply pipe P2 extending from the water supply connector 11C inside the housing 11, and an ejector 12A. Ozone water storage tank 12 for temporarily storing the ozone water discharged from;

A redundant ozone remover (13) connected to one side of the ozone water storage tank (12) in the state coupled to the housing (11) and receiving and discharging and reducing excess ozone collected in the ozone water storage tank (12);

An ozone generator (14) connected to the other side of the ejector (12A) in the state coupled to the housing (11) and supplying ozone into the ejector (12A) through the other side of the ejector (12A);

Both sides are respectively connected to the lower part of the ozone water storage tank 12 and the injection nozzle 11A of the housing 11 in a state coupled inside the housing 11, and the ozone water in the ozone water storage tank 12 is washed and sterilized ( 11B) an ozone water pump 15 for supplying to the injection nozzle 11A on the side wall;

A cover 16 covering the washing sterilization tank 11B of the housing 11 and having a through hole penetrating up and down in the center portion thereof;

An edge portion of the cover 16 is detachably coupled to a central portion of the cover 16 so that the upper surface and the bottom surface of the cover 16 are not in contact with each other, and the reflecting plate 17A and the reflecting plate 17A and the cover 16 are coupled to each other. A photo accelerator 17 including an ultraviolet lamp 18B for irradiating ultraviolet light to ozone water in the washing sterilization tank 11B through a through hole;

The controller 18 is electrically connected to the ozone generator 14, the ozone water pump 15, and the photo accelerator 17 to control each operation.

Looking at the operating method of the apparatus of the present invention configured as described above, the water supplied from the outside is injected into the water supply connector 11C and the water supply pipe (P2) and ejector 12A, and at the same time generated in the ozone generator (14) As the ozone is supplied to the ejector 12A, water in which ozone is dissolved, that is, ozone water, is stored in the ozone water storage tank 12.

Then, the excess ozone which is not dissolved in water and is injected into the ozone water storage tank 12 together with the ozone water and then collected in the upper portion of the ozone water storage tank 12 passes through the excess ozone remover 13 in which the catalyst is embedded, and is then discharged. do.

At this time, the automatic valve (V) such as a solenoid valve is coupled to the water supply pipe (P2), and the water level sensor (S) is provided in the ozone water storage tank (12), and then the automatic valve (V) and the water level sensor (S) are connected. It is also desirable to electrically connect to the controller 18.

That is, the ozone generator 14 which supplies ozone to the ejector 12A according to the water level of the ozone water storage tank 12 sensed by the water level sensor S, and the automatic supply of the water supply pipe P2 which applies or blocks the supply of water. By allowing the controller 18 to automatically control the operation of the valve V, the level of ozone water in the ozone water storage tank 12 can be kept constant at all times.

The ozone water stored in the ozone water storage tank 12 is injected into the washing sterilization tank 11B by the ozone water pump 15 through the injection nozzle 11A, and at the same time, an ultraviolet lamp (10) is applied to the ozone water in the washing sterilization tank 11B. Ultraviolet light is irradiated from 17B) to wash and sterilize the medical device.

At this time, if the medical devices subject to cleaning sterilization is placed on the bottom of the cleaning sterilization tank (11B), the cleaning sterilization efficiency is reduced, the medical devices are contained in the inside of the upward open type cleaning sterilization stage 19 having a plurality of through holes, and then cleaning. It is preferable to sterilize the washing sterilization stand 19 mounted in the washing sterilization tank 11B so that the bottom of the sterilization stand 19 does not touch the bottom of the washing sterilization tank 11B.

In addition, the ozone water sprayed into the cleaning sterilization tank 11B may flow into the ultraviolet lamp 17B through the hole in the center of the cover 16, and the transparent window may be made of a quartz glass plate in the hole in the center of the cover 16. It is good to combine (W).

In addition, excess ozone water continuously filled in the washing sterilization tank 11B by the injected ozone water overflows through the drain opening D of the side wall of the washing sterilization tank 11B, and is also discharged through the bottom drain D of the bottom. It may be, by coupling the automatic valve (V) to the drain pipe (P1) under the drain (D) of the bottom and under the control of the controller 18 may be to automatically discharge ozone water after the cleaning sterilization is completed. .

In order to improve the sterilization efficiency of the apparatus of the present invention for sterilizing medical devices in the above manner, it may be more preferable to use purified water rather than tap water or general water.

Therefore, as shown in FIG. 2, the water filter 20 may be coupled to the water supply pipe P2 between the inner water supply connector 11C and the automatic valve V inside the housing 11.

At this time, the water filter 20 may be coupled to the water supply pipe (P2) between the automatic valve (V) and the ejector (12A).

In addition, in order to increase the dissolution rate of ozone in water, as shown in FIG. 3, the line mixer 21 may be additionally coupled between the ejector 12A and the ozone water storage tank 12, and further, the line mixer. Loop piping (not shown) may be further provided between the 21 and the ozone water storage tank 12.

Ejector, line mixer and loop piping as described above is used to increase the dissolution rate of the gaseous fluid to the liquid fluid, each role is as follows.

An ejector is a device for ejecting high pressure water or the like at a high speed from a nozzle and sucking and discharging chemicals or gases around the injected fluid into the injection fluid, and the line mixer is a fluid provided by a plurality of elements provided in the pipe. Is a device that allows two or more fluids to be uniformly rapidly mixed by converting the flow into turbulence so that the mixed fluid passing therethrough is continuously stirred, and the loop pipe is formed in a zigzag or "d" shape. It is a pipe for increasing the solubility of the gaseous fluid in the liquid fluid by extending the residence time of the fluid.

In addition, the ozone generator 14 which generates ozone includes an air pump for sucking air and supplying it to the ozone generator 14 and a cooling fan for cooling the heat generated by the ozone generator.

And, on the outer surface of the housing (11) on / off switch, timer, ozone water level control switch for operating the device of the present invention. Various operation switches such as an ozone water injection amount control switch are provided, but the description thereof is omitted as a natural component and is not shown in the drawings.

As described above, the cleaning sterilization apparatus for a medical device using the photoreactor of the present invention can easily clean and sterilize various medical devices in which contamination is inevitable by attaching various foreign substances, and sterilization efficiency by ozone, ultraviolet light and various radicals. Because of this excellent and short time cleaning and sterilization, the cost of purchasing extra medical equipment is reduced, especially in the case of small hospitals and clinics such as general dentists. It is expected to be.

In addition, since foreign substances attached to the medical device are effectively separated by ozone water and vortex injected at high pressure, there is an advantage of not causing discomfort to the patient due to residual foreign substances when the sterilized medical device is used.

Claims (6)

An upwardly open washing sterilization tank 11B having a drain hole D is formed at the center of the upper surface of the bottom and side walls provided with the ozone water injection nozzles 11A, and the water supply connector 11C and the drain port D and the drain pipe P1 are provided. A box-shaped housing 11 to which the drain connector 11D is connected to each other; It is coupled to the inside of the housing 11, and has an ejector (12A) is injected water through one side connected to the water supply pipe (P2) extending from the inner water supply connector (11C) of the housing (11), the ejector (12A) An ozone water storage tank 12 storing ozone water discharged from the water; A redundant ozone remover (13) connected to the ozone water storage tank (12) in a state coupled to the housing (11) to decompose and reduce excess ozone in the ozone water storage tank (12); An ozone generator (14) connected to the other side of the ejector (12A) to supply ozone to the ejector (12A) in a state coupled to the housing (11); An ozone water pump (15) connected to the ozone water storage tank (12) and the injection nozzle (11A) to supply ozone water to the injection nozzle (11A) in a state coupled to the housing (11); A cover 16 covering the washing sterilization tank 11B and having a through hole at the center thereof; It is coupled between the reflecting plate (17A) and the reflecting plate (17A) and the cover 16 is coupled to the central portion of the upper surface of the cover 16 to irradiate ultraviolet light into the cleaning sterilization tank (11B) through the cover 16 through A photo accelerator 17 composed of an ultraviolet lamp 18B; The apparatus for cleaning and sterilizing a medical device using an optical reactor, comprising a controller 18 electrically connected to the ozone generator 14, the ozone water pump 15, and the photo accelerator 17 to control each operation. . According to claim 1, wherein the water supply pipe (P2), the automatic valve (V) controlled by the controller 18 is additionally coupled, The ozone water storage tank 12, the cleaning sterilization apparatus for a medical device using an optical reactor, characterized in that the water level sensor (S) for transmitting a signal to the controller 18 is additionally provided. The cleaning sterilization apparatus of claim 1, wherein a transparent window (W) is additionally coupled to the through-hole of the central portion of the cover (16). According to claim 1, characterized in that the automatic valve (V) controlled by the controller 18 is additionally coupled to the drain pipe (P1) connected to the drain (D) of the bottom of the washing sterilization tank (11B). Medical device washing sterilization apparatus using a photoreactor. The method of claim 1, wherein the water filter (20) is additionally coupled to the water supply pipe (P2) between the inner water supply connector (11C) and the ejector (12A) inside the housing (11). Cleaning sterilizer for medical devices. The apparatus of claim 1, wherein a line mixer (21) is additionally coupled between the ejector (12A) and the ozone water storage tank (12).

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