KR20110064331A - Apparatus for cleaning sterilization and method thereof - Google Patents

Abstract

PURPOSE: A medical appliance cleaning device and a method thereof are provided to supply cleaning water to a cleaning bath and to generate ozonated bubble water containing ozone bubble. CONSTITUTION: A method for cleaning a medical appliance comprises: a step(S10) of generating ozonated bubble water and supplying the ozonated bubble water to the medical appliance; a step(S20) of cleaning the medical appliance using supersonic vibration created from an ultrasonic oscillator; a step(S30) draining contaminated waste water; a step(S40) of supplying new cleaning water to the cleaning bath; a step(S50) of sterilizing the medical appliance by supplying the ozonated bubble water to the cleaning bath; and a step(S60) of draining contaminated waste water.

Description

Medical device cleaning device and its method {APPARATUS FOR CLEANING STERILIZATION AND METHOD THEREOF}

The present invention relates to a medical device cleaning apparatus and a method thereof, and more particularly, to a medical device cleaning apparatus and method that can improve the cleaning and sterilization effect.

Blood or living tissue is attached to various medical instruments such as medical instruments and scalpels after surgery or treatment. Among these attachments, infectious pathogens are likely latent. Therefore, sterilization / cleaning treatments must be carried out before reuse of the feeder to prevent secondary infection by infectious pathogens.

According to the conventional method, this kind of ultrasonic cleaning deposits articles such as precious metals, dentures, contact lenses, glasses, and the like into the cleaning water stored in the cleaning tank, and ultrasonic vibration is applied to the article by the ultrasonic vibrator installed in the cleaning tank or the cleaning water. In this case, the contaminant adhering to the article is separated and washed. However, there is a problem that sterilization cannot be performed by the cleaning process by ultrasonic vibration.

An object of the present invention is to provide a medical device cleaning apparatus and method for improving the cleaning and sterilization effect.

Medical device cleaning method according to the present invention for achieving the above object is the step of supplying the washing water to the cleaning tank containing the medical device to be cleaned, generating the ozone nano bubble-containing bubble ozonated water, the bubble ozone water generated Supplying to the cleaning tank, operating the ultrasonic vibrator installed in the cleaning tank in the state where the cleaning water and the bubble ozone water are accommodated, and cleaning the medical apparatus by using the ultrasonic vibration generated from the ultrasonic vibrator, by the cleaning operation. Draining the contaminated waste water, supplying fresh washing water into the washing tank, supplying the bubble ozone water to the washing tank to sterilize the medical device, and draining the contaminated waste water by the sterilization operation. It includes.

In addition, the medical device cleaning apparatus according to the present invention for achieving the above object is to supply the washing water in the cleaning tank for receiving the medical device to be cleaned, the cleaning water supply pipe having a first supply valve; An ultrasonic vibrator installed in the cleaning tank to apply ultrasonic vibration to the medical device; An ozone water generating unit for generating bubble ozone water containing ozone bubbles; An ozone water supply pipe connected to the ozone water generating unit to supply the bubble ozone water to the washing water contained in the washing tank, and having a second supply valve; A discharge port for discharging wastewater contaminated by the cleaning operation of the medical device to the outside of the cleaning tank; And a control unit controlling an operation state of the ultrasonic vibrator, the ozone water generating unit, the first supply valve, the second supply valve, and the discharge valve.

As described above, according to the medical device cleaning apparatus and the method of the present invention, it is possible to improve the sterilization and cleaning effect by using the ultrasonic vibrator and bubble ozone water.

Hereinafter, with reference to the drawings will be described the present invention in more detail.

In the present specification, 'high concentration ozone nanobubble-containing ozone water' refers to water containing 'ozone nanobubble' in which 'high concentration-ozone gas' is dissolved and generated by high concentration-ozone gas. In addition, ozone gas refers to a gas containing ozone, 'high concentration- ozone gas' refers to ozone gas that occupies more than 1% of ozone.

1 is a conceptual diagram of a medical device cleaning apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the apparatus for cleaning a medical device includes a washing tank 10, a washing water supply pipe 31, an ultrasonic vibrator 50, a bubble ozone water generating unit 300, an ozone water supply pipe 41, and a spray nozzle 70. , Wastewater discharge pipe 61, and the control unit 80.

The cleaning tank 10 accommodates a medical device (not shown) to be cleaned. The upper side of the cleaning tank 10 is opened for the entry and exit of the medical device (not shown), the cleaning tank 10 may be combined with the cover 20 for covering the opened portion of the cleaning tank 10 during the cleaning process. have.

The washing tank 10 receives the washing water through the washing water supply pipe 31, and the medical apparatus (not shown) accommodated in the washing tank 10 is deposited by the washing water. The washing water supply pipe 31 is connected to the washing water supply unit 30 provided at one side of the cleaning tank 10 to receive the washing water and provide the washing water to the washing tank 10. In addition, a first supply valve 32 for controlling the supply of the washing water by opening or closing the washing tank supply pipe 31 is provided. The first supply valve 32 is composed of a solenoid valve and may be controlled by the controller 80.

Meanwhile, according to one embodiment of the present invention, the bubble ozone water generator 200 may receive the washing water from the washing tank supply unit 30. A third supply valve 44 is provided between the washing water supply pipe 31 and the bubble ozone water generator 200, and the washing water is supplied or blocked by the third supply valve 44 to the bubble ozone water generator 200. Can be. As described above, the third supply valve 44 may be configured as an element that can be controlled by the controller 80.

According to an embodiment of the present invention, the washing water may be tap water, and the washing water supply pipe 31 may be connected to the tap water pipe.

An injection nozzle 70 may be further provided on the inside of the washing tank 10 to receive the washing water from the washing water supply pipe 31 and to spray the washing water into the washing tank 10. The spray nozzle 70 is an example, and does not necessarily need to be in the form of a nozzle, and may be used as long as it can supply washing water to the washing tank 10 appropriately.

The ultrasonic vibrator 50 is installed below the cleaning tank 10 to irradiate ultrasonic waves to medical instruments (not shown). By vibrating the ultrasonic vibrator 50, the contaminants attached to the article attached to the medical apparatus (not shown) are separated and disassembled, thereby cleaning the medical apparatus (not shown). In addition, although the ultrasonic vibrator 50 is shown as being installed below the cleaning tank 10 in the drawing, this is merely an example, and may be installed on the side of the cleaning tank 10.

The bubble ozone water generating unit 300 generates bubble ozone water containing ozone nano bubbles, the ozone water supply pipe 41 is connected to the bubble ozone water generating unit 300, and the ozone water supply pipe 41 is the cleaning tank 10. It is connected to the ozone water supply nozzle 48 that can supply the furnace bubble ozone water. As such, the ozone dissolution rate contained in the washing water is increased by the bubble ozone water supplied by the bubble ozone water generating unit 300, and as a result, the sterilization power of the medical device (not shown) can be improved.

The bubble ozone water generating unit 300 includes an ozone gas generating unit 100 that generates ozone gas and an ozone water generating unit 200 that receives the ozone gas and generates bubble ozone water containing nano bubbles. The configuration of the ozone gas generator 100 and the ozone water generator 200 will be described in detail with reference to the accompanying drawings.

Bubble ozone water discharged from the ozone water supply pipe 41 may be supplied to the cleaning tank 10 through the ozone water supply nozzle 48. A second supply valve 42 for controlling the supply of bubble ozone water by opening or closing the ozone water supply pipe 41 is provided. The second supply valve 42 may be a solenoid valve and may be controlled by the controller 80.

A discharge port 11 for discharging the wastewater contaminated by the cleaning operation of the medical device to the outside of the cleaning tank 10 is formed below the cleaning tank 10, and the wastewater discharged from the discharge port 11 is a wastewater discharge pipe. It is discharged to the outside through (61). In the present invention, the discharge valves may be made of a solenoid valve and may be controlled by the controller 80.

The apparatus for cleaning a medical device includes a water level sensor 13 for detecting a possible level of water contained in the cleaning tank 10, and an ozone gas for sucking ozone gas generated in the cleaning tank 10 and removing the inhaled ozone gas. The removal unit 90 and an ultraviolet lamp 21 for irradiating ultraviolet (UV) light to the cleaned medical device (not shown) are further provided.

The level sensor 13 is installed in the washing tank 10 to sense the level of the washing water, and the value sensed by the level sensor 13 is provided to the controller 80. The controller 80 controls the opening / closing operation of the first supply valve 32 based on the value sensed by the water level sensor 13. Therefore, the washing water can be prevented from being supplied to the washing tank 10 at a predetermined level or more.

The ozone gas removing unit 90 may include a heater to remove ozone gas by applying heat to the sucked ozone gas. The ozone gas removing unit 90 may be embedded in the cleaning tank 10 or may be provided in an external shape of the cleaning tank 10. Here, since the heater is an exemplary configuration to the last, the ozone gas removing unit 90 may alternatively be implemented using a manganese catalyst or an ultraviolet lamp.

The ultraviolet lamp 21 is installed inside the cover 20, and irradiates the cleaned medical device (not shown) with ultraviolet rays to dry and sterilize the medical device (not shown).

The controller 80 includes an ultrasonic vibrator 50, a bubble ozone water generating unit 300, a water level sensor 13, an ultraviolet lamp 21, first, second, and third supply valves 31, 48, and 42. And control the operation state of the discharge valve (61).

2 is a conceptual diagram of a medical device cleaning apparatus according to another embodiment of the present invention.

Referring to FIG. 2, the medical device cleaning apparatus includes a washing tank 10, a washing water supply pipe 31, an ultrasonic vibrator 50, a bubble ozone water generating unit 300, an ozone water supply pipe 41, and a spray nozzle 70. ), Wastewater discharge pipe 61, and the control unit 80.

2 is different from FIG. 1 in that the bubble ozone water generating unit 300 uses water discharged through the outlet 11 in generating ozone water.

In detail, the bubble ozone water generating unit 300 generates ozone water using water discharged through the discharge port 11. To this end, the valve 44 is installed between the bubble ozone water generating unit 300 and the wastewater discharge pipe 61, and the opening or closing of the valve 44 is controlled by the controller 80.

Other components of the embodiment shown in FIG. 2 operate the same as and similar to those shown in FIG. 1, and thus, for detailed operation thereof, refer to the description of FIG. 1 above.

Hereinafter, the operation of the medical device cleaning apparatus according to an embodiment of the present invention will be described in detail.

3 is a flowchart illustrating an operation of the apparatus for cleaning a medical device of FIG. 1.

Referring to FIG. 3, the first supply valve 32 and the third supply valve 44 are opened, and the washing water is supplied to the washing tank 10 and the ozone water generating unit 200 (S10). In addition, the second supply valve 42 may also be operated to supply ozone bubble-containing foul water generated from the ozone water generator 200 to the cleaning tank 10.

Thereafter, when the ultrasonic vibrator 50 is operated, the contaminants attached to the medical apparatus are removed by vibration to clean the medical apparatus (not shown) (S20). In this case, the effect that the bubble becomes finer by ultrasonic vibration occurs. As a result, the microbubble enters between the medical device and the contaminant and is ruptured by ultrasonic waves, so that the contaminant is separated, so that the cleaning effect can be improved.

When the cleaning operation is completed, when the outlet 11 is opened, the contaminated wastewater is discharged to the outside through the wastewater discharge pipe 61 (S30).

Again, the first supply valve 32 and the third supply valve 44 are opened for the sterilization process, and the washing water is supplied to the washing tank 10 and the ozone water generating unit 200 (S40). Next, bubble ozone water is supplied to the washing water to sterilize the medical apparatus (not shown) through the bubble ozone water (S50). When the sterilization operation is completed, the contaminated wastewater is discharged to the outside through the wastewater discharge pipe 61 (S60). In the sterilization process using bubble ozone water, the ultrasonic vibrator 50 may be further operated to simultaneously perform sterilization and cleaning operations.

Next, the washing water and bubble ozone water may be supplied to the washing tank 10 for ultrasonic cleaning (S70). Thereafter, the ultrasonic vibrator 50 is operated to clean the medical device (not shown) (S80), and the wastewater contaminated by the cleaning is discharged to the outside through the wastewater discharge pipe 61 (S90).

The cleaning operation using the ultrasonic vibrator as described above may be performed two or more times depending on the degree of contamination of the medical device (not shown).

When the cleaning and sterilization is completed, the cleaned and sterilized medical instruments (not shown) are dried and sterilized using the ultraviolet (UV) lamp 21 provided on the upper side (ie, the cover 20) of the cleaning tank 10. All. Thereafter, the sterilized medical device (not shown) may be stored or used in a medical procedure.

4 is a block diagram of the ozone gas generating unit 100 shown in FIG.

Referring to FIG. 4, the ozone gas generator 100 includes a high voltage generator 110, a cooler 120, a plasma reactor 130, an oxygen generator 140, and an air compressor 150.

The air compressor 150 compresses air to generate high pressure compressed air. The air compressor 150 supplies the generated high pressure compressed air to the oxygen generator 140 which will be described later.

The oxygen generator 140 removes nitrogen, carbon dioxide, other gases and contaminants except oxygen from the high pressure compressed air supplied from the air compressor 150 to separate high pressure oxygen. Then, the oxygen generator 140 supplies the separated high pressure oxygen to the plasma reactor 130 to be described later.

The high voltage generator 110 boosts the use power to generate a high voltage power. The high voltage generator 110 applies the generated high voltage power to the plasma reactor 130.

The plasma reactor 130 is a device that generates ozone using plasma, which is a kind of ozone generator. Specifically, the plasma reactor 130, 1) generates a plasma using a high voltage power applied from the high voltage generator 110, 2) using the generated plasma, of the oxygen supplied from the oxygen generator 140 Convert some to ozone.

Accordingly, the plasma reactor 130 discharges a gas mixed with ozone and oxygen.

The cooler 120 circulates the cooling water in the plasma reactor 130 to cool the plasma reactor 130.

5 is a block diagram of the bubble ozone water generator 200 shown in FIG. 1.

Referring to FIG. 5, the bubble ozone water generator 200 includes a valve-1 210, a flow meter 220, a valve-2 230, a water feed pump 240, and a venturi injector ( 250, and a bubble ozone water generator 260.

Valve-1 210 is a means for adjusting the flow rate of water flowing into the feed pump 240 to be described later. In addition, the flow meter 220 is a means for measuring the flow rate of water flowing into the feed pump 240. Therefore, by operating the valve-1 210 with reference to the flow rate of the water measured by the flow meter 220, it is possible to properly maintain the flow rate of the water flowing into the feed water pump 240.

The feed pump 240 supplies the water flowing through the valve-1 210 to the venturi injector 250 at a constant pressure. In this embodiment, the feed pump 240 corresponds to the third supply valve 44 of FIG.

Venturi injector 250 is a tube having a cross-sectional area at both ends is wider than the central cross-sectional area. In the venturi injector 250, 1) water is introduced at one end, and 2) high concentration-ozone gas discharged from the high concentration-ozone gas generating device 100 is introduced at the center thereof.

The high concentration-ozone gas introduced into the center of the venturi injector 250 is dissolved in water introduced through one end, and ozone water is generated in the venturi injector 250. Therefore, the venturi injector 250 may be regarded as a kind of ozone water generator.

Meanwhile, the high concentration-ozone gas introduced into the center of the venturi injector 250 but not dissolved in water is discharged to the other end of the venturi injector 250 together with ozone water generated in the venturi injector 250.

The bubble ozone water generator 260 increases ozone solubility of ozone water flowing out of the venturi injector 250. In addition, while increasing the solubility of ozone gas in ozone water, the bubble ozone water generator 260 generates ozone nanobubbles with the high concentration-ozone gas discharged from the high concentration-ozone gas generator 100 and adds ozone to the ozone water.

The bubble ozone water generator 260 performing the above function includes an ozone nanobubble generator 261 and a static mixer 264.

The ozone nanobubble generator 261 generates ozone nanobubbles and supplies them to the static mixer 264. The ozone nanobubble generator 261 that performs this function includes an ozone gas receiver 262 and a ceramic porous body 263.

The ozone gas receiver 262 accommodates the high concentration-ozone gas discharged from the high concentration-ozone gas generator 100 and flows out the contained high concentration-ozone gas to the ceramic porous body 263.

The ceramic porous body 263 delivers the high concentration-ozone gas flowing out of the ozone gas receiver 262 to the static mixer 264 through very small diameter tubes. Then, by the ozone water flowing in the static mixer 264, the high concentration-ozone gas flowing out from the ceramic porous body 263 flows into ozone water with ozone nanobubbles and is dispersed.

The static mixer 264 includes an ozone water passage 265, a guide vane 266, and a vane support 267. In the ozone water passage 265 formed in the static mixer 264, 1) ozone water discharged from the venturi injector 250 and high concentration-ozone gas not dissolved in the ozone water are introduced, and 2) ozone nanobubble generator 261. Ozone nanobubbles generated in

On the other hand, the vane support 267 is closed at both ends, and is fixedly installed at the center of the static mixer 264. Thus, ozone water and undissolved high concentration-ozone gas discharged from the venturi injector 250 cannot penetrate the interior of the vane support 267, and only pass through the ozone water passage 265. As a result, the flow rate of ozone water in the static mixer 264 increases.

Guide vanes 266 are formed outside the vane support 267. The guide vane 266 continually changes the flow direction of the ozone water and the high-ozone gas by dividing and mixing the flow of the introduced ozone water and the undissolved high-ozone gas.

According to one embodiment of the present invention, the bubble ozone water discharged from the bubble ozone water generator 260 is introduced into the washing tank 10 when the second supply valve 42 of FIG. 1 is opened.

By the guide vane 266, the high concentration-ozone gas which is not dissolved in ozone water collides with the ozone water very frequently while being smallly crushed. Due to such frequent collisions, the high concentration-ozone gas in the guide vane 266 is dissolved in ozone water, thereby increasing the solubility of ozone gas in the ozone water.

6 shows the bubble ozone water generator 260 in three dimensions.

Referring to FIG. 6, a portion of the ozone nanobubble generator 261 is removed to expose the static mixer 264 located therein so that the static mixer 264 located inside the bubble ozone water generator 260 can be observed. I was.

As shown in FIG. 6, the bubble ozone water generator 260 is implemented such that the ozone nanobubble generator 261 surrounds the vane support 267 having the guide vane 266 attached to the outside at a predetermined interval. It can be seen. And it can be understood more clearly that the space between the vane support 267 and the ozone nanobubble generator 261 functions as the ozone water passage 265.

In addition, it can be clearly seen from FIG. 6 that the ozone water passage becomes discontinuously (suddenly) at the inflow surface of the ozone nanobubble generator 261. The cross-sectional area of the ozone water passage is at least as small as the cross-sectional area of the vane support 267 at the inflow surface of the ozone nanobubble generator 261, thereby increasing the flow rate of the ozone water in the static mixer 264. Also, by the influence of the guide vanes 266, the actual cross sectional area of the ozone water passage may be reduced.

Bubble ozone water is discharged from the bubble ozone water generator 260. However, not only the bubble ozone water is discharged from the bubble ozone water generator 260, but also the ozone gas not dissolved in the bubble ozone water is also discharged by the static mixer 264.

As described above, in the present invention, by crushing the micro bubbles in the ozone water, it is possible to miniaturize the bubble diameter, in particular, the miniaturized bubble generates a burst shock wave while shrinking and extinction, at this time generates a high temperature and ultrasonic waves of more than 6500K. Thereby, the cleaning of the medical device can be performed strongly, and also hydroxyl groups contained in ozone water are generated, which has a strong oxidizing power.

The microbubbles refined according to the present invention increase the gas and liquid contact area, and in particular, when generating bubbles of 10 micrometers or less, 90% or more of ozone can be dissolved, thereby greatly reducing the amount of ozone generated. That is, as the microbubbles are miniaturized, the contact area with the contaminants is greatly increased, so that the reaction speed is remarkably increased, and the medical device can be cleaned at a high speed.

The high concentration ozone nanobubble-containing ozone water generation system including the high concentration-ozone gas generator 100 and the ozone nanobubble-containing ozone water generator 200 has been described in detail with reference to a preferred embodiment.

In the present embodiment, the high concentration-ozone gas generating device 100 is assumed to convert oxygen into ozone gas using a plasma, but this is merely an example for convenience of description. In other cases of converting a gas into another gas using plasma, the technical idea of the present invention may be applied.

On the other hand, in the case of ozone microbubbles other than ozone nanobubbles can be applied to the technical idea of the present invention, the size of these nanobubbles and microbubbles may be collectively referred to as microbubbles.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

1 is a conceptual diagram of a medical device cleaning apparatus according to an embodiment of the present invention.

2 is a conceptual diagram of a medical device cleaning apparatus according to another embodiment of the present invention.

3 is a flowchart illustrating an operation of the apparatus for cleaning a medical device of FIG. 1.

4 is a detailed block diagram of the ozone gas generating unit shown in FIG. 1.

6 is a detailed block diagram of the ozone water generating unit illustrated in FIG. 1.

FIG. 7 is a three-dimensional view of the bubble ozone water generator shown in FIG. 6.

Explanation of symbols on the main parts of the drawings

Not shown: Medical devices 10: Cleaning tank

13: level sensor 20: cover

21: UV lamp 31: Washing water supply piping

30: washing water supply part 41: ozone water supply piping

32: first supply valve 42: second supply valve

50: ultrasonic vibrator

61: wastewater discharge pipe 70: injection nozzle

80: control unit 90: ozone gas removal unit

300: bubble ozone water generating unit

Claims (8)

Generating bubble ozone water containing ozone bubbles, and supplying the generated bubble ozone water to a cleaning tank containing a medical instrument to be cleaned; Operating the ultrasonic vibrator installed in the cleaning tank in the state where the washing water and the bubble ozone water are accommodated, and cleaning the medical apparatus by using ultrasonic vibration generated from the ultrasonic vibrator; Draining the waste water contaminated by the cleaning operation; Supplying fresh washing water into the washing tank; Supplying the bubble ozone water to the cleaning tank to sterilize the medical device; And Medical device cleaning method comprising the step of draining the waste water contaminated by the sterilization operation. The method of claim 1, further comprising: supplying fresh washing water to the washing tank after draining the wastewater contaminated by the sterilization operation; And And cleaning the medical instrument secondly by applying ultrasonic vibration generated from the ultrasonic vibrator installed in the cleaning tank to the medical instrument. The method of claim 1, further comprising sucking and removing the ozone gas generated in the cleaning tank by applying heat to the inhaled ozone gas. The method of claim 1, wherein generating the bubble ozone water, Generating ozone gas using plasma; Dissolving the ozone gas generated in the ozone gas generator in water to generate ozone water; And And adding the ozone nano bubble generated by the ozone gas to the ozone water to generate the bubble ozone water. The method of claim 1, wherein the ultrasonic vibrator is generated by operating the ultrasonic vibrator in the sterilizing of the medical instrument by supplying the washing water and the bubble ozone water into the cleaning tank. A washing water supply pipe for supplying washing water into a washing tank containing a medical device to be cleaned and having a first supply valve; An ultrasonic vibrator installed in the cleaning tank to apply ultrasonic vibration to the medical device; An ozone water generating unit for generating bubble ozone water containing ozone bubbles; An ozone water supply pipe connected to the ozone water generating unit to supply the bubble ozone water to the washing water contained in the washing tank, and having a second supply valve; A discharge port for discharging wastewater contaminated by the cleaning operation of the medical device to the outside of the cleaning tank; And And a control unit for controlling an operation state of the ultrasonic vibrator, the ozone water generating unit, the first supply valve, the second supply valve, and the discharge valve. The method of claim 6, And an ozone water supply nozzle provided in the cleaning tank and connected to the ozone water supply pipe to supply the bubble ozone water into the cleaning tank. The method of claim 6, wherein the ozone water generating unit, An ozone gas generating unit generating ozone gas using plasma; And And ozone water generating unit dissolving the ozone gas generated in the ozone gas generating unit in water to generate ozone water, and generating the bubble ozonated water by adding the ozone bubble generated by the ozone gas to the ozone water. Medical device cleaning device.

Images