TW581690B - Cleaning and sterilizing treatment of used medical appliance - Google Patents

Abstract

The present invention relates to a process for the cleaning, sterilizing and deodorizing of recycled medical appliances, and particularly to the use of highly bactericidal chlorine dioxide solution or gaseous chlorine dioxide for the effective cleaning, sterilizing and deodorizing treatments in a short time. For removing the visible attachments such as blood, mucus and tissue debris on the outside and the inner tube wall of the medical appliances inserted into bodies, a prewashing procedure must be done; then the prewashed medical appliances are immersed in chlorine dioxide solution or treated by passing gaseous chlorine dioxide through the inner tube walls to perform the cleaning, sterilizing and deodorizing treatments of the outside and the inner tube wall of the medical appliances.

Description

581690 V. Description of the invention (1) [Technical field to which the invention belongs] 1. The present invention relates to the washing of medical devices after use, and the objects to be treated by the present invention are gastroscopes and other such as fiber optic fiber ::. Tubes and other internal hollow, multiple repeated use in the body "soft [prior art] syringes, injection needles, drip appliances and other bacteria, viruses and other pathogenic bacteria caused by the hospital's salty ice standing ice weight # 席 ° ° material to avoid re-use due to fine work: = Wait! Endoscopes and other endoscopes, etc. = Use. Shi Nao kills 4 medical devices, in principle, it is necessary to repeat manual cleaning = After use, in order to avoid infection, you need to use odor and dry = Wash from the U machine, sterilize in parallel, remove the gas flowing through the pipelines such as gas, mucus, and flowing material, and use the empty part to clean the narrow pipeline (channei). It is extremely difficult to be cleaned and disinfected. This kind of medical equipment is supersonic cargo ice, and deodorizing operations. Depending on the type of cleaning agent, alcohol must be used first, and the external surface and the internal hollow part must be cleaned. Then use disinfection, etc .; R, $ grade ammonium-based disinfectant, iodine-based disinfectant, acetaldehyde-based disinfectant,) gas, α 'beda sterilization purpose' or sealed in formalin (Fommal in bacteria, disinfection ^ In the environment of alkylene oxide gas, traditional killing by gas sterilization and other 581690 V. Description of the invention (2) "-This type of method not only takes too long a time for sterilization and deodorization treatment, it can not meet the needs of frequent use. And the cleaning device is too complicated and the cost is too high. In addition, E0G Heat sterilization methods such as sterilization methods or autoclaves can easily cause incomplete sterilization due to residual air in the hollow part of the pipeline. Therefore, a treatment method that can be safe, complete, simple, and indeed achieves sterilization, deodorization, and drying is practical. It is needed by everyone. Zhizhi is the most widely used chlorine dioxide solution for sterilization and deodorization. Chlorine dioxide has a strong bleaching effect for a long time. Its manufacturing method < High-concentration chlorine dioxide is a powerful oxidant, which will generate high-concentration chlorine after reacting with other substances, which is highly explosive and highly dangerous. "Stabilized Dioxidant Gas" developed by International Oxide, It is a low-risk and easy-to-use 5% aqueous solution, which can be diluted to an appropriate concentration of chlorine dioxide aqueous solution. ~ ^ The second deduction is obtained by vaporizing such a feminized chlorine dioxide aqueous solution, without Strong irritating odor and safety, with ^ = can play a high effect of sterilization, deodorization, disinfection, etc. n body contact bacteria, mold: pathogens, etc. can also achieve significant sweetness in a short time; and its deodorization The effect is powerful, it can effectively remove the odor of chemical substances, and even inhibit the breeding of the odor-causing microorganisms. And put the disinfected matter in a closed space, and then select the chemical / aqueous solution in the space to disinfect it and eliminate it. ^ Dioxygen 2002-306577 was proposed, ΐ—for hollow parts of pipelines… — 一 —— 一 —_— After the use of the knife 581690 V. Description of the invention (3) There is still no way to sterilize the medical device. "Difficulty in deodorization", and the inventor of this case has also proposed a method and device for supplying a sterilization and deodorizing gas that is stabilized with an aqueous solution of stabilized dioxide in addition to ultraviolet radiation (Japanese Patent Laid-Open No. 2000-200-2 0 0 9), or immerse the object to be treated in the stabilized dioxolium chloride aqueous solution, or make the container filled with the gas generated by the stabilized dioxide, to sterilize the processed object placed in the container, Deodorizing method (Japanese Patent Laid-Open No. 2001-29440) Proposal. However, such methods cannot be effectively used for disinfection and deodorization of used medical devices with hollow parts of the pipeline. The present inventors studied the gastroscope, and various other long-sized, medically-used methods for washing, sterilizing, and deodorizing medical devices with hollow portions of tubes, and finally came to the present invention. [Summary of the Invention] The present invention is related to the cleaning, sterilizing, and deodorizing treatment methods of reusable medical devices. In particular, it is to use a highly germicidal aqueous solution of dioxide gas or a monoxide gas to complete high The treatment method of efficient cleaning 'sterilization and deodorization is a subject. 6. The subject of the present invention is to wash the medical device inserted into the body with water in advance, and then contact the pre-washed medical device with an aqueous solution of dioxide gas or chlorine dioxide gas to make the exterior of the medical device and the pipeline The hollow part is fully washed, sterilized, and disinfected, thereby achieving a method of washing and sterilizing the medical device after use. In addition, the subject of the present invention is to use the above-mentioned medical device with clear water 581690. 5. Description of the invention (4) The inside of the hollow part of the driver, or the impregnation with the aqueous solution of dioxide gas. Fully wash, sterilize, and disinfect; so as to achieve the use of medical treatment, sterilization treatment. Washing of health appliances ^ The subject of the present invention is to place the medical appliance in the environment of chlorine dioxide gas with clean water ^: oxidize the inside of the hollow part of the 3 pipeline to make the medical appliance outside and: The washing, sterilizing, and disinfecting treatments are completed; thereby, the method of washing and sterilizing is completed. The problem is to remove the tangible attachments attached to the outside of the medical device and the above-mentioned requirements :: ί blood ⑯, sticky ⑯, tiny tissue fragments, etc., in the aqueous solution of chlorine, or the medical device is immersed in the dioxin, and It is then placed in the hollow solution of the chlorine dioxide gas and flowing through the hollow of the above pipeline, passing through the hollow interior of the above pipeline, and sterilizing, sterilizing, and deodorizing the chlorine dioxide gas flow in the second part. The following method is used for cleaning and reducing bacteria: The effect of the solution is to stabilize the oxygen dioxide solution of the medical device after use. The container of the medical device is 16 at the same time, and the chlorine solution tank is output to the stabilizer. Chlorine oxide aqueous solution is irradiated with active rays or acidic substances to extend the chlorine chloride aqueous solution tank. This can be from the pressurized tank: such as the two nozzles connected to the hollow part of the dioxin, and several pipes with medical equipment are set for cleaning 、 消 # Haizuizui is connected to the end of the hollow part of the pipeline, with the kill of the hollow part of the pipeline ^, so that the medical device can be used / monthly and deodorized. IH1 page 9 581690 5. Description of the invention ( 5) Dioxide Chlorine gas is supplied from the dioxide gas supply device 20 to the container 16 in which medical equipment is placed. At the same time, the stabilized aqueous solution of the dioxide gas or its gel can be activated by a chemical reaction with ultraviolet radiation or an acidic substance. The chlorine dioxide gas output from the fluorine dioxide gas supply device 20 can be circulated in 16 containers containing medical equipment. In this case, the piping can be extended from the chlorine dioxide gas supply device 20 There are several connection nozzles connected to the hollow part of the pipeline of the medical device, and the nozzle is connected to the hollow part of the pipeline for cleaning and disinfection (pipe flow method), so as to reach the hollow part of the medical device pipeline The sterilization, disinfection, and deodorization treatment. In addition, the sterilization and deodorization gas can be used alone or mixed with carbon dioxide gas. The invention can make the above-mentioned endoscope, arthroscope, catheter, hose Various medical devices with hollow parts such as pipes are reused, and a strong sterilizing effect of an aqueous solution of dioxide gas or dioxide gas is used for cleaning, sterilizing, and deodorizing. The medium can be sterilized, washed, and dried in a short time, and can even prevent medical accidents such as HBV (Hepatitis B virus), Hepatitis C virus, and AIDS virus infection. The concentration of the aqueous solution of dioxide gas used in the present invention is 50ppm ~ 1 200 pmm, even more preferably between 100 ppm and 150 PPm; pH value is preferably lower than 5, or even lower than 4. In addition, the concentration of chlorine dioxide gas used in the present invention is 5 ppm to 1000 ppm, or even i. pi) m ~ 300ppm is ideal. = Ultrasonic vibration g can be installed inside the oxidizing gas aqueous solution container, while spraying and circulating the aqueous solution, ultrasonic vibration can be added to increase the production of chlorine dioxide. Efficiency and effective removal of dirt attached to medical equipment

V. Description of the invention (6) Disinfection special, 'but can be washed correspondingly': inch oxygen: you can confirm net oxygen =:,;: medical equipment with middle part or complex shape, ί 明 η, chlorine oxide At the same time, the aqueous solution can be washed with clean water and aerated. The hollow part of the pipeline on the body is discharged from the same as the hollow interior of the pipeline: wash; In addition, the cleanliness or drying treatment of medical water is performed. "The end of the processing operation == :::: =: Deodorizing gas can be used separately and then be straightened; ii: in the space where the object has carbon dioxide gas first i : It can also be mixed separately at appropriate proportions to exert stronger sterilization, disinfection, and deodorization .... x Ming used-container of aqueous solution of oxidizing gas, can also be used with two-body container at the same time. , * Carbon dioxide mixing capacity, 'sterilization container' or even circulating in the pipeline, poisonous, deodorizing, etc. The hollow part of the pipeline can also achieve the net killing, which has the following effects: sterilization treatment method, poisoning, deodorizing effect , And then stop "within a period of time Dishidabv sterilization, d flow, dagger bacteria. When the long treatment equipment is washed or dried, it can also be used externally and later. It can be mixed with the dioxide line and spread to the stand alone for the effect. Oxidizing gas, gas dispersion, in addition to bacteria and bacteria

Major medical accidents such as infections. Furthermore, the dioxin of the present invention is additionally equipped with an ozone generator to extract the above-mentioned medical absorbing device for the sterilizing gas odor treatment object to reduce its content in the gas gas container. By enhancing its sterilization supply device, it can refine its impact on the environment after it is discharged. Near the gas outlet, it is functional. In addition, the gas used in the present invention is sterilized, and the added dioxide gas component is added. [Embodiment] The following is an example of the basic structure used in the present invention with reference to the accompanying drawings. The embodiments of the present invention will be described in detail. The first method of cleaning and sterilizing treatment methods of medical instruments in the first working year shows the treatment container for the aqueous solution of dioxide gas, the concentration of which is in the range of 100 ^ pm ~ 150Ppm, pH 4 aqueous solution. Fill up. This aqueous solution processing container 1 is manufactured in accordance with the size of the medical device to be milk-sterilized. In addition, this water = J valley state 1 is also equipped with an aqueous solution jet circulation device, sonic vibration;: 11 Although the material of this container is not limited, the non-recorded steel with f-corrosive contact is m. Other hard glass or ceramic containers ^; Aqueous solution processing container 丨 Upstream is equipped with piping from the pressure tank, several of which can be connected to One end of a hollow portion of a medical instrument pipeline (Channel) is connected to an alpha nozzle. The stabilized dioxide gas solution output from the pressure tank can be cleaned through the nozzle and sterilized the hollow part of the medical instrument pipeline. From tube L

Page 12 Discharge from the other end of the hollow section (8), and flow as an aqueous solution. Can be washed and sterilized. ) The exterior of the treatment device and the pipeline: The ultrasonic vibration on K is used to confirm; G The door is cleaned and sterilized during such cleaning and sterilization. w It is properly set, but it is based on water-soluble psychology: it can be treated for 5 to 10 minutes in the J state according to the medical treatment of the subject :. = ?: Chlorine oxide, water-soluble ir: Discharge from container 1, this container is also available; the aqueous solution can be used for two sections * s, which can also be used for animal water; grain liquid and gas sterilization if you want to use the same-container for Dioxide gas processing container. J dissolve: Wash at a specific time, sterilize the place == bacteria, then discharge it with the treatment trough 1 first, and quickly inject it into the liquid solution. —Oxygen emulsion milk is sterilized by gas. If the capsules are treated with different gases, the capsules are dripped, and then moved to the chlorine dioxide gas treatment volume. -When the treatment kit is treated with water, it can be adjusted to 10_ ~ 300__; ^ oxidized by chlorine 亍 灭菌 gas sterilization can make up for the lack of aqueous solution, and indeed complete the tube, 2 ideal. deal with. Sterilization and sterilization of the second door ί " Γ ^ 20 / " ^ ^, pull S * Interval%, dioxide gas treatment Xuan cry9, the taxi is connected to the piping of the gas supply device, there are several piping on it , /; A continuous nozzle at one end of the hollow part of the upper part of the closed circuit. Since the gas = therapeutic chlorine dioxide gas circulation flow, through the nozzle into the medical device 581690 V. Description of the invention (9) The gas can be filled after filling the gas processing container 2 * Medical treatment with external cleaning and sterilization . In addition, the gas processing container 2 is provided with a pressure adjustment or heating device. In this way, the gas processing capacity Π = = the state required for the gas and other added gases. Z misadjustment is the heating temperature to control the pressure of the released gas. For example, when it is added between 80 ~ 1 (^), the waste power is adjusted within a wide range of chlorine dioxide bacteria, disinfection, and deodorization within the 4 ~ 2 square meter feeder 25. It can be seen that the gas is The content of the dioxin f is appropriately changed. According to this, the discharged mixed gas is the gas or carbon dioxide gas of the mist lice, and the temperature is between 30 and the concentration of the gas in the discharge space. The effect is sufficient, if the situation is special In the range of 10 ~ 300ppm, chlorine dioxide gas and dioxin can be reached, which can be adjusted to a higher concentration. The gas supplied by the gas supply device 2 ^ Carbon gas can be passed through independent piping. ^ In the device 2, the mixed chlorine gas is adjusted to carbon oxide gas separately after pressure and temperature adjustment; or the medical equipment of dioxin can be sterilized, and it is discharged after gasification. In addition, it has been washed beforehand. Yes, according to * in the first figure, if only one stage of chlorine dioxide gas treatment is required, directly transfer it to the gas sterilization and production direction. As shown by the dashed arrow, from the medical device that has been used in the pre-cleaning compartment to the device 2 Yes, the agent is washed in advance, and it will adhere to the neutral detergent. Agent or other appropriate cleaning; external blood, mucus, protein and other attachment surfaces Page 14 581690 V. Description of the invention (10) The matter can be removed, and the hollow part of the pipeline can be fully cleaned with benzalconium chioride. The lens part can be wiped with lens cleaning solution. Put the medical equipment that has been cleaned in the dioxide gas solution container 1 for aqueous solution jet, vortex, or even add ultrasonic vibration to clean it. , Sterilization, disinfection, deodorization treatment. After cleaning at this stage, the cleaning time can be set according to the type of medical equipment or the degree of pollution. The concentration of the aqueous solution can also be freely selected, but it should be based on the type of medical equipment or the diameter of the hollow part of the pipeline It depends on the length. Generally speaking, it should be between 100ppm and 150ppm. Figure t is an example of the structure of the butyl rolled gas solution and the chlorine dioxide gas generation device using the medical device cleaning and sterilization treatment method of the present invention. The tank 10 contains an aqueous solution of chlorinated nitric oxide, which can be transported by the pump 12 and activated by the UV activation device 14. The ultraviolet and activation devices 14 ′ can be air-tight ultraviolet rays that are brightly arranged in an aqueous solution: ..., a spotlight UV 15 ′ and stabilize the P 2 aqueous solution when it passes through the vicinity of the lamp 15. According to this embodiment The composition can be processed continuously. This activation treatment method is also many, even by chemical reaction. 化 ^ ^ ^ 2 of the dioxide gas solution, sent to the dioxide gas solution or 26, the gas container 16 (the first In the aqueous solution processing container or gas treatment (picture 1), the above-mentioned aqueous solution is used for washing, sterilizing, and disinfecting. In addition, it can be heated by a heater not shown in the figure, or it can be ultrasonically generated by an ultrasonic generator 7 Washing, sterilizing, and disinfecting treatment such as vibration. = Oxygen gas gas of 20% of monoxide gas supply device, which can be discharged from the valleyr 16 after the mixture of dioxide and fire.丨 send quickly after decompression

Page 15 V. Description of the invention () J) To the above container 16, sterilize by filling the gas. Medical device gas is performed in the environment of the body. Figure 3 is a flow chart of continuous operation after the use of the present invention. First, clean the wells and sterilize the pre-well equipment. When inserting them into the human body, they will adhere to the used medical equipment and other debris. 'The attached blood, mucus, and human tissues can be washed in advance as specified by the manufacturer of the medical device: use, contents of attachments, pre-assisted devices and other items, to avoid making 2 external lotions, washing Carefully clean under media and washing aids. Such as plastic materials ^ ^ injury, deterioration, loss of function and other detergents, and use a soft sponge to apply. In addition, it should be washed with warm water plus neutral washing. It should be thoroughly cleaned by pressurized aeration and water passing 1: while the inside of pipes and ducts is sonicated. / Net, if the situation permits or can exceed the following, based on the chlorine dioxide (1) or gas sterilization treatment 1) into the aqueous solution sterilization treatment standard, should be written for medical treatment and--: judgment (step S2). This judgment is based on the sterilization of the aqueous solution> 'D depends on the type of manufacturer, manufacturing, and pollution status. If the dioxide gas solution 8Y is filled in the water: liquid washing container 16, the aqueous solution can be used; the outside of the medical appliance is washed and sterilized. During the sterilization of this solution, the inner part is cleaned for the purpose of sterilization. This water type is appropriately selected. &Amp; two σ; 丨 within 2 to 10 minutes, and should be the type of medical equipment. When necessary, the type of medical device may be appropriately warmed according to the appropriate time, cleaning and sterilization of the above-mentioned medical devices in accordance with the appropriate time. Page 16 581690 5. Description of the invention (12), step = processing ( After washing with water), the drying process is performed, and it takes several minutes to Η minutes] M Medical 15 types, structures, and materials, and then the medical device is judged to be two-bacterial treatment (2) (Bovine _ oxygen helium gas Gas extinguishing = =; =: Yes, but no gas sterilization is required. When judged 2 and 2 it is determined that gas sterilization is required (2), or when gas sterilization is required after step ⑺ 7 ' The gas) 〇M, the chlorine dioxide gas is subjected to gas sterilization treatment (step S6 body, = body sterilization treatment 'is filled with chlorine dioxide gas in the gas sterilization container, if total, order the outside of the medical device and the inside of the tube In addition, if the upper part is narrow or the size is too long, the gas should be sprayed in the hollow part of the pipeline: spray: to complete the internal sterilization process. The gas remaining in the hollow part of the pipeline is discharged after the trapping process. Gas (rolled body In addition to processing) (step S7). Also, depending on the medical device "type, configuration '$ required aeration hand, continue, directly may be omitted. [Example 1]

:: ΐ, chlorinated aqueous solution, washed, ▲ bacteria-contaminated medical devices (0ES't official fiberscope: endoscope), tested for sterilization and disinfection effects, and the experimental results are listed below. Two :, Inspection Objective: Microbiology of the Endoscope Disinfection Effect of Dioxide Gas

Page 17

581690

Experimental materials: 500 ppm aqueous chlorine dioxide solution (manufactured by Sunseal Co., Ltd.): 0ES upper digestive tube universal fiber. Vision (endoscope); Olympus Optical Industry Co., Ltd. Strain used: Staphy1occus aureus ATTC 25923

Escherichia coli ATTC 25922

The medium was used. SC DLP agar medium (manufactured by Rongken Chemical) Lot · 28005 SCDLP bacterial medium (manufactured by Rongken Chemical) Lot. 28003 Experimental bacterial solution adjustment To adjust the experimental strain to McFarland 〇. Degree of inoculation. Experimental method (1) First, the front end of the endoscope was closed with a protective sheet (paraf i lm), and 1.5 ml of the experimental bacterial solution was injected from the mouth of a forceps with a sterile dropper and left for 5 minutes to contaminate the inside of the groove of the forceps.

(2) Open the front end of the endoscope and inject 200 ml of water from the mouth of the pliers to clean the groove of the pliers. At the beginning of washing, take 100ml to determine the number of bacteria. (3) Using a pump, aspirate the mouth of the forceps at a rate of 2000 ml / min for 10 minutes. (4) Wash again with sterilized water 100m1, and measure the bacteria content of the cleaning solution 0

Page 18 581690 V. Description of the invention (14) (5) The above (1) sequentially pollutes the inside of the pliers groove. One (6) Open the front end, and wash the 2000ml chlorine dioxide aqueous solution from the sweet mouth and the grooves of the main pliers for 15 minutes. At the beginning of the washing, take 100mi and measure 1 into the number of bacteria. ', And its (7) irradiated the gel-like chlorine dioxide with a UV lamp to accelerate its gasification, and the raw' monoxide gas' was sustained by the pump at a speed of 20000 m 1 / mi η ,,: : Sub-port 10 minutes. I just made a mistake (8) and washed again with 100 ml of sterilized water, and used this washing liquid as the material to contain the bacteria number. 1 & bacterial count measurement and culture conditions (1) Staphylococcus aureus • SCDLP agar medium according to the standard membrane filter method. • The agar medium is mixed and released according to the Japanese pharmaceutical standard agar plate. • SCDLP bacterial culture medium iomi with multiple concentrations and inoculated bacteria are used at 35 ° C for 3 days in aerobic culture. '(2) Coliform bacteria • SCDLP agar medium according to the standard membrane filter method. • SCDLP agar medium was mixed and released according to the standard agar plate of the Japanese drug. 10 ml of SCDLP bacterial culture medium at a multiple concentration was inoculated with inoculum iomi. The above two lines were used together at 35C for 3 days for aerobic culture. The test results of this experiment are listed in Table 1.

Page 19 581690 V. Description of the invention (15) Table 1. Experimental strains Escherichia coli Staphylococcus aureus concentration 360,000,000 240,000,000 100 ml 280,000 310,000 100 ml disinfection water (control) 220 220 100ml at the beginning of washing with 2000ml of chlorine dioxide solution. 100ml of undeveloped disinfection water (sample). Undeveloped and undeveloped. After washing and sterilizing with chlorine dioxide solution, the development of culture bacteria was not detected, so there is no need to separately It was measured after washing with chlorine dioxide gas and sterilizing. [Example 2] The chlorine dioxide gas was used to clean and sterilize contaminated medical instruments (general fiberscope for upper digestive tube: endoscope), and test its sterilization and disinfection effects. The experimental results are listed below. (Experimental inspection purpose: Microbiological verification of the disinfection effect of endoscope with dioxide gas) Experimental material: gel-like chlorine dioxide 500 ppm; (manufactured by Sunseal Co., Ltd.) Equipment: UV gel irradiation A device for generating a dioxide gas to generate a dioxide gas; (manufactured by Sunseal Co., Ltd.), party steamer (length 300mniX width 4 50mmX height 150_); (manufactured by Sunseal Co., Ltd.)

Page 20 581690 V. Description of the invention (16) Made by Olympus Optical Industry Co., Ltd. Experimental strain: Staphylococcus aureus

Staphyloccus aureus ATTC 25923

Escherichia coli ATTC 25922 SCDLP agar medium (manufactured by Rongken Chemical Co., Ltd.) L0t. 2805 SCDLP letter medium (manufactured by Rongken Chemical Co., Ltd.) [07-28003] Sample adjustment The experimental strain was adjusted to a sterilized physiological saline solution to After McFarland No. 0.1 turbidity, it was sucked out with a sterile tube 3 m 1 and discharged to contaminate it. The head was cut to make an inoculum. Experimental method (1) The sample was placed in a fumigation box, and after being sealed, it was fumigated with dioxide gas for 1 hour. A control group was also set up, and chlorine dioxide fumigation was not allowed, and it was left for 1 hour. (9) Wash with 10 ml of sterilized phosphate buffer solution, and measure the number of bacteria in the washing solution. The additional bacteria count should be determined according to the following methods: Measurement of bacteria count and culture conditions (3) Staphylococcus aureus • SCDLP agar medium according to the standard membrane filter method of the Japanese medicine. • SCDLP agar medium according to the standard agar plate mixed release method. • Culture the SCDLP bacterial culture medium iomi with a concentration of 10%

581690 5. Description of the invention (17) Aerobic culture The above two are used together at 35 ° C for 3 days. (4) Coliform bacteria • SCDLP agar medium is used according to Japanese pharmaceutical standard membrane filter method. • SCDLP agar medium according to the Japanese pharmaceutical standard cyclolipid plate mixed release method. • Cultivate 10ml SCDLP bacterial culture medium with inoculation and increase inoculation 丨 ⑽ 丨, and use the two together at 35 ° C for 3 days in aerobic culture. The test results of this experiment are listed in Table 2. Experimental endoscope (on the same sterilization site as another toxic drug in Weisheng's medical sterilization department, except in the outside, it can be clearly seen in the same hospital, stained by Staphylococcus aureus and coliform), through a similar treatment experiment The viewpoint of inspection object f proves that it has the effect of sterilization. , Appliance cleaning, sterilization treatment method, with dioxide gas water T: and drying treatment ", can be in the same container or on demand: body container for subsequent killing of chlorine dioxide gas = treatment. It is especially suitable for endoscopes and various medical treatments for sterilization, disinfection and deodorization of hollow parts of roads, and it can also cause infection. After gas sterilization in a container or a separate gas container, page 22 581690 V. Description of the invention (18) Aeration treatment may be performed as needed to ensure the removal of residual chlorine dioxide components. In addition, depending on the processing target, various functions can be added to the gas container, such as an ozone generating device that can enhance sterilization and deodorization effects. As described above, by using the method for cleaning and sterilizing the used medical instruments provided by the present invention, it is possible to effectively and reliably perform sterilization, disinfection, Deodorization and other processing. And can prevent various nosocomial infections and other dangers, has ensured the safety of visits and surgery.

Page 23 58T69ϋ Brief description of the drawings [Simplified description of the drawings] > Fig. 1 is a flow chart of an example of the method for cleaning and sterilizing the used medical device according to the present invention. Fig. 2 is a diagram showing an example of the configuration of a chlorine dioxide aqueous solution and a chlorine dioxide gas generating device using the medical device cleaning and sterilizing treatment method provided by the present invention. Fig. 3 is a flow chart of the continuous operation of the method for cleaning and sterilizing the used medical device according to the present invention. Symbol Description

1Aqueous solution treatment container (chlorine dioxide solution treatment container) 2Gas treatment container (dioxide gas treatment container) 1 Stabilization dioxide gas solution tank 1 2Transport pump 1 4Ultraviolet activation device 1 5Airtight ultraviolet rays Irradiation lamp 1 6 processing container (chlorine dioxide aqueous solution processing container, dioxide gas processing container) 1 7 ultrasonic generator

20 Chlorine dioxide gas supply device 2 1 Pressure reducing pump

Page 24

Claims (1)

581690 Case No. 92100MR Sixth, the scope of patent application 1 · An aqueous solution inserted into the human body after washing the medical device, washed with water beforehand or contacted with chlorine dioxide gas, and the hollow part of the pipeline is used for cleaning, sterilization and disinfection 2. A cleansing and sterilization treatment method as described in item 1 of the scope of the patent application; after the above, it is immersed in a chlorine dioxide solution to pass through the hollow part of the above pipeline, so as to reach the medical department's cleaning, sterilization, Disinfection. As described in item 1 of the scope of the patent application, a 'sterilization treatment method; characterized in that it is immersed in an aqueous solution of dioxide gas so as to reach the exterior of the medical device and k disinfection treatment. For example, the first item in the scope of Shen Qing's patent describes a 1k sterilization treatment method; the characteristics are the above, 'they are placed in a gas filled with dioxide gas to circulate the hollow part of the above pipeline, so as to reach 5 hollow parts for cleaning, sterilization, For disinfection treatment, such as the application of items 1 to 4 of the scope of the patent application, medical equipment cleaning, sterilization treatment method, and the external attachment of the pipeline and the above-mentioned hollow part of the pipeline, and other tangible attachments, you must first clean the medical equipment before moving Bacteria 4 · The month after the month E1 correction supplement sterilization treatment & medical equipment, and then treatment with up to 4 medical devices. Eight kinds of used medical and medical devices are used, or ^, and two parts of the chlorine gas therapy device are used outside the & kind of used medical and medical devices, treated with clear water, and at the same time, super-f & In clean water environment, or one of the two described in the external of the medical device, one of the characteristics is to remove Pi incht blood, sticky> wash before the night; wash the external characteristics of the dioxide system and the device in advance Wash the water solution pipeline, clean the hollow equipment, wash the sonic vibration in advance, wash the equipment, wash the chlorine oxide gas in advance, and clean the pipeline. 581690 June 6. The scope of the application for the patent is said to be amended = in the chlorine aqueous solution. "The chlorine dioxide aqueous solution flows through the above chemical compounds = and then placed in the chlorine dioxide gas environment, or in the intersection of the oxygen pipeline ^: to reach the medical device External and mouth 丨 killing, reading, disinfecting, deodorizing treatment. 6 A method for sterilization of medical devices after use as described in item 5 of the scope of profit; the characteristics are to perform the cleaning, killing, and fouling of the above medical devices? Odor, can be connected to the above-mentioned hollow part of the pipeline by a nozzle capable of spraying an aqueous solution of chlorine oxide, and the tube flow method is adopted. ^ A method for washing and sterilizing medical devices after use as described in item 6 of the scope of patent application; It is characterized by cleaning, killing, poisoning, and deodorizing the medical instruments, and it can be connected with a nozzle that can circulate the circulating dioxide gas at one end of the hollow part of the above pipeline, and adopt the tube flow method. 8 · If applying for a patent A method for cleaning and sterilizing medical devices after use as described in item 7 of the scope; characterized in that the above-mentioned chlorine dioxide used for the sterilizing, disinfecting and deodorizing treatment of the medical devices can be exposed to ultraviolet rays 2. It is obtained by adding an acidic solution of an dioxide gas solution or a gel-like stabilized dioxide. 〆9. A method for washing and sterilizing a medical device after use as described in item 8 of the scope of patent application; the characteristics are the above-mentioned processes In the process, the aqueous solution of the dioxide gas can be discharged and dried in parallel; or the aeration process can be performed while the dioxide gas is discharged from the hollow portion of the pipeline. 1 0 · A finished medical treatment as described in item 9 of the scope of patent application Utensil washing and sterilizing treatment method; characterized in that the above-mentioned medical appliances are cleaned, sterilized and disinfected after being cleaned, sterilized and disinfected inside the pipeline, and can be washed with water and Page 26 Ml69〇 ο Mouyue Case No. 9210J033 & Amendment: The scope of patent application is known plus drying treatment. 1 1 · A method for washing and sterilizing medical devices after use as described in item 丨 0 of the scope of the patent application; the concentration of the above chlorine dioxide aqueous solution is between 50ρριι and 1,200ppm, and the pH value is 5 or less. OOOppm 间。 Patent application scope 丨 1 Dendrobium, sterilization treatment method; two kinds produced by the two above-mentioned, 5ppm ~ 1. The concentration of lice gas is