KR101131607B1 - LOW TEMPERATURE STERILIZER FOR CONTINUOUS PROCESSING USING ClO2 AND STERILIZING METHOD USING THE SAME - Google Patents

Abstract

The present invention relates to a low-temperature sterilization sterilizer of a medical device using chlorine dioxide capable of continuous operation, NaClO ₂ A chlorine dioxide generating device unit having a built-in separator for generating chlorine dioxide gas; A sterilizer main chamber; A sterilizer prechamber; A vacuum pump unit for making a vacuum in the sterilizer chamber; A harmless system unit for harming the toxicity of chlorine dioxide gas to a human body after chlorine dioxide sterilization is completed; An electrolysis unit for electrolyzing NaClO ₂ ; It consists of the DC power supply, main chamber, and pre-chamber between the valves for filling, exhausting and supplying the solution and gas, and strict sterilization performance at low temperature within a short time without environmental problems by overcoming the disadvantages of existing sterilizer products. To develop a chlorine dioxide gas autoclave system at a reasonable price that passes the standard. When generating chlorine dioxide gas, electrolysis is applied to eliminate the risk and complexity of generating chlorine dioxide gas, and to reduce the size of core module through improving the generation efficiency, it is also applicable to small sterilizers applied to dental or small and medium hospitals. It is a system that can be applied to a large sterilizer for a central supply room of a general hospital or a medium and large hospital by enhancing gas generation performance. In addition, the present invention applies a system that harms the residual toxicity to the human body after the sterilization of the toxic chlorine dioxide gas, the principle of continuous sterilization is to put a sterile main chamber and a prechamber in the chlorine dioxide sterilizer as a prechamber After storing the introduced high concentration chlorine dioxide gas, fill the sterilized main chamber with contents to be sterilized, and move the high concentration chlorine dioxide gas of the prechamber to the sterilized main chamber by using valves 1 ~ 7 under high vacuum. Circulate continuously for a period of time. At this time, sterilization is performed, and after the designated time, chlorine dioxide detoxification device is induced and quenched by using chlorine dioxide detoxification device using valves 1 to 7 to extract the main chamber and contents, and the valves 1 to 7 are used to It is a low-temperature sterilization sterilizer for continuous operation of medical equipment for chlorine dioxide, which disconnects the passage and at the same time receives the chlorine dioxide in the prechamber for the continuous operation of the main chamber.

Chlorine dioxide, sterilizer, sterilizer, surgical instruments, various catheters, harmless system,

Description

LOW TEMPERATURE STERILIZER FOR CONTINUOUS PROCESSING USING ClO2 AND STERILIZING METHOD USING THE SAME}

The present invention relates to a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation and a sterilization method using the same, particularly for surgery in a disinfection room, a dentist, an otolaryngologist, an orthopedic surgeon, or a general hospital in which a large number of resistant super bacteria exist. The process of sterilizing a device or a medical device for patient treatment relates to a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation having a strong sterilization performance in a short time within 30 minutes.

Conventionally, a steam sterilizer using sterilization using steam sterilization system or ethylene oxide (EtO) gas requires a long disinfection time of about 20 hours in the case of steam sterilizer, and because of the incomplete sterilization status, secondary infection or bacterial transmission There are many concerns, but no technology has been developed to replace the reality.
In addition, the conventional sterilization and sterilizer of the medical device is not automatic control, there is a problem that the operation is inconvenient and the price of the sterilizer is expensive.
In addition, the problems in the field of the low temperature sterilizer currently on the market are as follows.
First, hot steam (autoclave) sterilizers require low temperature autoclave sterilizers for the treatment of heat sensitive articles due to the limitation of handling only non-heat damaged articles (heat resistant surgical instruments).
Second, the ethylene oxide (EtO) gas sterilizer takes a lot of time to remove residual toxicity after sterilization, and withdrawal from the market is accelerating due to environmental pollution.
Third, the VHP / peracetic acid sterilizer has a low permeability and limited sterilization ability by vaporizing and treating liquid chemicals.
Fourth, the hydrogen peroxide has been improved by plasma activation to improve the process compared to the vapor phase, but there is a problem in that it does not meet the Class B standard (3 mm or less in diameter and the sterilization ability of the 1.5 m conduit end).

The present invention relates to a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation and a sterilization method using the same, particularly for surgery in a disinfection room, a dentist, an otolaryngologist, an orthopedic surgeon, or a general hospital in which a large number of resistant super bacteria exist. It is an object of the present invention to provide a low temperature sterilizer and a sterilization method using chlorine dioxide capable of continuous operation of sterilizing a medical device for treating a patient in a short time within 30 minutes and having a strong sterilization performance.

 In addition, it can be widely used in the field of ethylene oxide gas sterilization and plasma sterilization currently used domestically and externally, and can be widely applied to sterilized medical devices such as sterilization of dental tools or other medical disposable devices, and low cost. It is an object to provide a high-performance sterile sterilizer.

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The present invention has been made to solve the above problems, as a low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation, generation of chlorine dioxide gas with a built-in separator to convert sodium chlorite (NaClO ₂ ) solution to chlorine dioxide gas Device; A prechamber to which the chlorine dioxide gas is supplied; A main chamber in communication with the preliminary chamber; A vacuum pump unit which maintains the inside of the main chamber in a vacuum state; And after the sterilization is completed by the chlorine dioxide gas in the main chamber provides a low-temperature sterilization sterilizer using a chlorine dioxide capable of continuous operation comprising a detoxification system unit for neutralizing the toxic substances in the main chamber with ultraviolet rays.
The apparatus may further include a circulation pump for circulating the chlorine dioxide gas of the prechamber into the main chamber.
The detoxification system unit may include a concentration meter for detecting the concentration of the chlorine dioxide gas, and when the concentration of the chlorine dioxide gas detected through the concentration meter exceeds a reference value, the supply of the chlorine dioxide gas may be stopped. have.
In addition, the present invention is a sterilization method using a low-temperature sterilization sterilizer using the chlorine dioxide capable of the continuous operation described above, having the main chamber and the preliminary chamber, after storing the high concentration of chlorine dioxide gas introduced into the preliminary chamber Filling the contents to be sterilized in the main chamber and transferring the high concentration of chlorine dioxide gas in the prechamber to the main chamber in a vacuum state and continuously circulating for a predetermined time to sterilize; Inducing and quenching the chlorine dioxide gas to the detoxification system after the sterilization process; And disconnecting a passage between the main chamber and the preliminary chamber and recharging the chlorine dioxide gas into the preliminary chamber, thereby providing a sterilization method using a low temperature sterilization sterilizer of medical equipment using chlorine dioxide capable of continuous operation. do.

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As described above, the low-temperature sterilization sterilizer using the chlorine dioxide gas capable of continuous operation according to the present invention is sterilization of pathogenic bacteria including resistant superbacteria, as well as the central supply room of a general hospital, dental, otolaryngology, or surgery and Sterilization of medical instruments required for treatment is quick, simple and powerful.

In addition, since the microorganisms are killed by oxidation, the microorganisms cannot develop resistance and can have a complex effect.
In addition, it has solved the long-established task of making an autoclave that has the same performance as ethylene oxide gas at a low temperature but can be treated in a short time and does not have to worry about environmental problems.

Low temperature sterilization apparatus using chlorine dioxide capable of continuous operation according to the present invention for achieving the above object; Chlorine dioxide gas generator with a built-in separator for converting sodium chlorite (NaClO ₂ ) solution into chlorine dioxide gas; A main chamber; A prechamber; A vacuum pump unit for creating a vacuum state in the chamber; A detoxification system unit for detoxifying toxicity of chlorine dioxide gas to a human body after chlorine dioxide sterilization is completed; An electrolysis unit for electrolyzing sodium chlorite (NaClO ₂₎ ; The DC power supply unit and the main chamber, and the pre-chamber, and the valves necessary for the filling and exhaust of the liquid and gas, the air supply, and comprises a controller for controlling this, and the firmware and applications to drive the same.

The low temperature sterilization sterilizer using the chlorine dioxide capable of continuous operation is characterized in that to perform the sterilization function at low temperatures.

The low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation can be sterilized by applying chlorine dioxide gas to pathogenic bacteria such as superbacteria and microorganisms or bacteria on the epidermis of surgical instruments in a very short time. It is done.

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The low temperature sterilization sterilizer using the chlorine dioxide capable of continuous operation is characterized in that it automatically handles the system for harmless toxicity of chlorine dioxide gas.

The low temperature sterilizer using the chlorine dioxide capable of continuous operation is characterized in that the continuous sterilization using a secondary chamber (preliminary chamber).

Therefore, the low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation is a one-time sterilization time within 1 hour, it is made of vacuum, filling, sterilization, exhaust, and harmless processes, it can be obtained pasteurization disinfection effect.

The present invention has developed a low temperature sterilizer capable of sterilizing sterilized microorganisms parasitic on the surface of a highly resistant pathogenic superbacteria and surgical instruments.

Hereinafter, a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation of the present invention will be described in detail with reference to the accompanying drawings.
Low-temperature sterilizer using chlorine dioxide capable of continuous operation
1 is a block diagram of a low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to a preferred embodiment of the present invention, Figure 2 is a chlorine dioxide of the low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation shown in FIG. 3 is a block diagram of a gas generator, and FIG. 3 is a block diagram of a system for harmless human body of chlorine dioxide gas of a low temperature sterilizer using chlorine dioxide capable of continuous operation.
The low-temperature sterilization apparatus using chlorine dioxide capable of continuous operation according to the present invention has a chlorine dioxide gas generator 6, an electrolysis unit 4, a liquid pump 5, and a main chamber 1 as shown in FIG. 1. And a prechamber 2, a vacuum pump 3, a chlorine dioxide detoxification system 7, a DC power supply 8, a circulation pump 16, and seven valves (see each valve in FIG. 1).
The controller (not shown) of the low-temperature sterilizer using chlorine dioxide capable of continuous operation feeds back the measured values of the chlorine dioxide gas concentration measuring sensors 11 and 12 (see FIG. 2) and the seven valves (valve 1 in FIG. 1). To control the valve 7), the circulation pump 16, the vacuum holding of the main chamber (1), the control of the chlorine dioxide filling, sterilization, exhaust, and re-supplied control panel that can be interfaced to the outside do.
Chlorine dioxide gas generator of low temperature sterilizer using chlorine dioxide capable of continuous operation
As shown in Figure 2, the chlorine dioxide gas generator 60 of the low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to the present invention is electrolyzed through the electrolysis unit 40 as an efficient separation technology of the original solution and the generated gas By separating the chlorine dioxide and sodium hydroxide (NaOH) by using a chemical-free material, only the chlorine dioxide is separated into the second chamber 20, using a Teflon material that does not occur chemical reaction with chlorine dioxide, Machining is optimized by first collecting the high concentration gas into the second chamber 20 by using a material (chemical separation membrane; 6a) that does not have a chemical reaction, and then immediately injecting it into the first chamber 10 and changing the sterilization time and concentration to the controller. It consists of a circulation pump 16 (refer FIG. 1), the valve 1 thru | or the valve 7, the electrolysis part 40, and the DC power supply part 8 (refer FIG. 1) so that the sterilization condition may be found.
Harmless system for low temperature sterilization using chlorine dioxide with continuous operation
As shown in Figure 3, the denitrification system of the low-temperature sterilizer using chlorine dioxide capable of continuous operation according to the present invention, the concentration of the chlorine dioxide gas through the concentration measuring devices (11, 21, 31), the body of the measured chlorine dioxide gas The valve automatically shuts off when the limit value is exceeded. The valve consists of seven valves, a circulating pump 16 (FIG. 1), a liquid pump 5 (FIG. 1), and a DC power supply unit 8 as shown in FIG.
At this time, the sterilization gas (chlorine dioxide gas) in the first chamber 10 and the second chamber 20 of the block diagram is aspirated by the detoxification system 70, mixed with a neutralizing liquid to be detoxified, and air While circulating, the concentration is detected by concentration measurement.
In order to neutralize the neutralizing liquid and chlorine dioxide gas of the block diagram rapidly, the second chamber 20 and the water level regulator which irradiate ultraviolet rays with the ultraviolet lamp 32 are harmless in conjunction with the valve and are fed back to the concentration meter to meet the acceptance criteria. When it comes in, it is ready for continuous operation.
The DC power supply unit converts and supplies the necessary power to each part of the medical equipment and horticultural crop pasteurization sterilizer using chlorine dioxide capable of continuous operation.
The low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation of the present invention described above serves as follows.
First, the advantages of several types of sterilizers, such as ethylene oxide (EtO) gas, high pressure steam, and plasma sterilization, were brought together.
Second, it solved various problems such as potential risk, handling complexity, and high cost of using complex chemicals when generating chlorine dioxide gas.
Third, by generating gas through electrolysis using only sodium chlorite, a common essential material, it solves the existing problem and reduces the size by improving the efficiency of the electrode or improves the chlorine dioxide gas generation performance at the same size. The range of applications from sterilizers to large sterilizer applications has been widened and the use spread.
Fourth, the production of reasonably priced products that are excellent in performance, environmentally friendly, and facilitating their distribution will contribute to the promotion of human health and contribute to the reduction of total social costs.
Fifth, the current state of the existing sterilizer industry is the world's leading technology equilibrium, leading the market due to the wide technological gap, and eliminating the disadvantages (complexity-risk-high cost) that have masked the advantages of chlorine dioxide gas. The possibilities are very large.
Sixth, the existing space sterilizer of the method of inhaling air into the product and discharging the sterilized air is appropriately called a space sterilizer, and can be understood by upgrading a commercial disinfectant to a sterilizer.
Seventh, chlorine dioxide gas is good permeability and can kill all the microorganisms hidden in every corner by generating and discharging the gas to the target space to be sterilized at a controlled concentration.
Eighth, by solving the problems caused by the long-term sterilization time and high cost mentioned above, it can be widely applied to the central supply room of dental, small and medium hospitals and medium and large hospitals.

The low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to the present invention is a sterilization of pathogenic bacteria including resistant superbacteria, which is a central supply room of a general hospital, as well as a rapid medical device necessary for dental, otolaryngology, surgery or treatment. It is easy to use and has a strong sterilization effect.

1 is a block diagram of a low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to the present invention.

Figure 2 is a block diagram of a chlorine dioxide gas generator of a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to the present invention.

Figure 3 is a block diagram of the device for the detoxification of chlorine dioxide residual gas of low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to the present invention.

[Description of Code for Major Parts of Drawing]

1: main chamber 2: reserve chamber

3: vacuum pump 4: electrolysis part

5: liquid pump 6: chlorine dioxide gas generator

7: Chlorine dioxide harmless system 8: DC power supply

16: circulation pump

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Claims (4)

As a low temperature sterilizer using chlorine dioxide capable of continuous operation, A chlorine dioxide gas generator incorporating a separator for converting sodium chlorite (NaClO ₂ ) solution into chlorine dioxide gas; A prechamber to which the chlorine dioxide gas is supplied; A main chamber in communication with the preliminary chamber and containing a sterilization object; A vacuum pump unit which maintains a vacuum state in the main chamber; And Low temperature using chlorine dioxide capable of continuous operation comprising a detoxification system unit for neutralizing the toxic substances in the main chamber with ultraviolet rays after the sterilization of the object by the chlorine dioxide gas in the main chamber is completed. Sterilizer. The method of claim 1, A low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation, characterized in that further comprising a circulation pump for circulating the chlorine dioxide gas of the pre-chamber to the main chamber. The method of claim 1, The detoxification system unit includes a concentration meter that detects the concentration of the chlorine dioxide gas, and when the concentration of the chlorine dioxide gas detected by the concentration meter exceeds a reference value, stopping supply of the chlorine dioxide gas. Low-temperature sterilization sterilizer using chlorine dioxide capable of continuous operation. A sterilization method using a low temperature sterilization sterilizer using chlorine dioxide capable of continuous operation according to any one of claims 1 to 3, After storing the high concentration of chlorine dioxide gas introduced into the preliminary chamber, the object to be sterilized is filled in the main chamber, and the high concentration of the chlorine dioxide gas of the preliminary chamber is moved to the main chamber in a vacuum to continuously circulate for a predetermined time. Sterilization process; Inducing and quenching the chlorine dioxide gas to the detoxification system after the sterilization process; And Sterilization method using a low-temperature sterilization sterilizer using a chlorine dioxide capable of continuous operation including the step of disconnecting the passage of the main chamber and the prechamber, and recharging the chlorine dioxide gas into the prechamber.

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