CN2832155Y - Hydrogen dioxide plasma low temperature sterilization equipment - Google Patents
Hydrogen dioxide plasma low temperature sterilization equipment Download PDFInfo
- Publication number
- CN2832155Y CN2832155Y CN 200520045595 CN200520045595U CN2832155Y CN 2832155 Y CN2832155 Y CN 2832155Y CN 200520045595 CN200520045595 CN 200520045595 CN 200520045595 U CN200520045595 U CN 200520045595U CN 2832155 Y CN2832155 Y CN 2832155Y
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- China
- Prior art keywords
- hydrogen peroxide
- low temperature
- temperature sterilization
- sterilization equipment
- plasma low
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Abstract
The utility model relates to a hydrogen peroxide plasma sterilization device in low temperature. A sealing device is formed in the utility model; a vacuum device can pump the sealing device into negative pressure through a pipeline. At the time, a hydrogen peroxide supplying device arranged in the sealing device starts working and the liquid hydrogen peroxide in the hydrogen peroxide supplying device is converted into gaseous state and goes into the sealing device; an electromagnetic wave generator which is connected with the sealing device through a transmission line starts working; the hydrogen peroxide in gaseous state is ionized into plasmas which can carry out sterilization for medical articles placed in a sterilizing chamber for waiting for sterilization. The utility model provides a hydrogen peroxide plasma sterilization device in low temperature, having the advantages of simple structure and convenient and quick operation.
Description
Technical field
This utility model refers to a kind of equipment that can finish the high efficient cryogenic sterilization automatically and use the hydrogen peroxide plasma sterilization especially about a kind of sterilizing installation.
Background technology
Be successfully applied to clinically from Minimally Invasive Surgery, various endoscopy are popularized in hospital day by day, and the thorough sterilization of operation that brings thus and examination apparatus is the problem that patient, clinical medical and nursing personnel and hospital administrators are very paid close attention to always.
Many armarium are to be constituted or had complicated lens device (as firm or softish endoscope) by plastics or rubber bodies.High pressure steam sterilization may damage this armarium or shortened dramatically their service life.For solving the damage problem of high pressure steam sterilization to armarium, also the someone adopts the mode of glutaraldehyde soak at room temperature to come armarium is sterilized, but soak time is longer relatively, and normal step institute must also want three and a half hours the time.In addition also the someone adopts the mode of epoxyethane fumigation to come armarium is sterilized, but because oxirane is a kind of unsettled toxic gas, can damage operator's health, and the processing of oxirane also is a problem after the sterilization treatment.
Now also use hydrogen peroxide, can use the low concentration hydrogen peroxide aqueous solution that medical object is sterilized as the disinfectant extensive use.Yet this kind method is at room temperature sterilized and need be carried out at least 15 days, and at high temperature finishing sterilization approximately needs 1 day.In other words, this kind method need be heated to aqueous hydrogen peroxide solution under the high temperature, so that sterilize more fast.
A kind of method that carries out disinfection and sterilize with hydrogen peroxide plasma has been proposed in " the pretreated sterilization method with hydrogen peroxide " patent of invention case of the patent No. 97113795.1, this method can reach the disinfectant effect in the quite short time, the sterilization method that belongs to a kind of innovation in the industry, this method is desire disinfectant object to be exposed to vacuum or to follow to allow the hydrogenperoxide steam generator vaporize in the isoionic vacuum environment, and allow hydrogen peroxide be enough to realize that disinfectant keeps in the time and desire disinfectant device contacts, reach Disinfection Effect, but on this method practice, be subjected to the restriction of sterilizing equipment decontaminating apparatus, because desire is injected hydrogenperoxide steam generator in evacuated environment, and will to allow this solution vaporized rapidly be the quite work of difficulty really.
A kind of device of suitable preceding method has promptly been proposed in " a kind of disinfection apparatus " of the patent No. 02260590.8, it is that a sealed container is connected with a vacuum equipment and a source of the gas mutually by pipeline, it realizes that ways of connecting is that the sealing container is connected with a vacuum breaker with pipeline, vacuum breaker is connected with the gas source and flow amount actuator by admission line, and be connected with vacuum equipment by vacuum pipeline, its structure is quite loaded down with trivial details, manufacturing, maintenance and daily cleaning sterilization aspect are all quite difficult, especially in this case, provide the source of the gas of hydrogen peroxide steam when air feed, must carry by pipeline, and steam must pass through the gas source and flow amount actuator, vacuum breaker can enter sealed container, in course of conveying, may on tube wall, condense, and the amount that influence enters the hydrogen peroxide in the sealed container, and then have influence on Disinfection Effect, showing has the necessity that is improved.
In addition in No. 00819366.5 " plasma disinfection system " application for a patent for invention of application number case also the hydrogen peroxide feeder at this type of decontaminating apparatus new design has been proposed, wherein a mass flow controller is connected to and produces on the isoionic anodic injection heater in the reaction chamber, though this can solve the condense problem of decrement of hydrogen peroxide in transmission course, but make overall structure more loaded down with trivial details, so this kind structure still is worth considering on practicality.
Summary of the invention
The main purpose of this utility model hydrogen peroxide plasma low temperature sterilization equipment is: a kind of sterilizing installation simple in structure is provided, it is provided with the hydrogen peroxide gas supply in sealing device, can allow hydrogen peroxide gas directly in the inner generation of sealing device, and can guarantee the supply of hydrogen peroxide gas, can reach the purpose of simplified structure simultaneously.
Another purpose of the present utility model is: handling safety, and mobility strong, and increased pot-life of object subject to sterilization.
For reaching aforementioned purpose, the technological means that this utility model used is to provide a kind of hydrogen peroxide plasma low temperature sterilization equipment, comprising:
Sealing device includes a lid;
Vacuum equipment is connected with sealing device by pipeline;
The hydrogen peroxide gas supply is installed in sealing device inside; And
Electromagnetic wave generator is connected with sealing device by transmission line.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: above-mentioned hydrogen peroxide gas supply includes a container and a reaction chamber, and this reaction chamber connects with this container and is connected.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: this container and this reaction chamber, and via the pipeline connection that connects.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment, further be improved to: above-mentioned internal tank forms an accommodation space, and the opening device of at least one hydrogenperoxide steam generator packing is installed in the inside of this accommodation space.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: above-mentioned opening device is a kind of opening device of the difference control that is stressed.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: above-mentioned opening device is a striker.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment, further be improved to: above-mentioned opening device connects an electrically-controlled valve.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: above-mentioned reaction chamber is installed in the below of container, and the part of this reaction chamber is made of microporous medium.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment, further be improved to: reaction chamber includes the heater of a Controllable Temperature.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: this electromagnetic wave generator is radio-frequency signal generator or microwave generator or high-frequency switch circuit.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment, further be improved to: the two ends of above-mentioned transmission line are connected with a negative electrode and anode respectively, and this negative electrode and anode are installed in the inside of sealing device.
Above-mentioned hydrogen peroxide plasma low temperature sterilization equipment further is improved to: a control valve is installed in the connection vacuum equipment with on the pipeline of sealing device.
Therefore, this utility model, promptly a kind of hydrogen peroxide plasma low temperature sterilization equipment can more can be killed the antibacterial and the virus that are penetrated in the medical object slit to medical apparatus and instruments low temperature quick sterilization, improves the sterilization ability.Simultaneously, this utility model is only discharged a spot of water with oxygen, can not leave harmful substance on medical object.Moreover, handling safety, reasonable price, and increased pot-life of object subject to sterilization.
The accompanying drawing summary
Fig. 1 is a preferred embodiment front view of the present utility model.
Fig. 2 is the enlarged diagram of the hydrogen peroxide gas supply in the preferred embodiment of the present utility model.
The specific embodiment
See also shown in Figure 1ly, it is the schematic internal view of a kind of preferred embodiment of this utility model hydrogen peroxide plasma low temperature sterilization equipment 10.This sterilizing installation 10 includes a sealing device 20, one electromagnetic wave generators 30, one vacuum equipments 40, and a hydrogen peroxide gas supply 50.
Sealing device 20, the vacuum that can bear 0.05Pa-1000Pa which is provided with one and can open or cover the lid (not shown) of locking, when this lid covers locking, forms a gas-tight silo 21 in the sealing device 20, is used to place medical object subject to sterilization;
One end of above-mentioned electromagnetic wave generator 30 is connected with a transmission line 32, and the end in addition of this transmission line 32 is connected with an anode 33.The other end of this electromagnetic wave generator 30 also is connected with a transmission line 34, another section of this transmission line 34 is connected with a negative electrode 35, this anode 33 and negative electrode 35 are installed in the two opposite sides of the inside of sealing device 20 respectively, in order to hydrogen peroxide gas is ionized into plasma.This electromagnetic wave generator 30 can be the rf wave generator, its frequency is suitable with 10MHz-30MHz, also can be microwave generator, its frequency is suitable with 300MHz-3KMHz, also can be high-frequency switch circuit (PWM modulation), can reach the effect that hydrogen peroxide gas is ionized into plasma equally.In this preferred embodiment, the electrode number of electromagnetic wave generator 30 can be one or more, so that suitable electromagnetism intensity to be provided;
Above-mentioned vacuum equipment 40 is arranged on 21 outsides, sealing storehouse, is connected with sealing storehouse 21 via a pipeline 41 simultaneously; Whether one control valve 410 is installed on this pipeline 41, control vacuum equipment 40 by the switch of this control valve 410 and be communicated with the pipeline 41 in 21 in sealing storehouse.
Above-mentioned hydrogen peroxide gas supply 50 is installed in the sealing storehouse 21.
See also shown in Figure 2ly, this hydrogen peroxide gas supply 50 includes a container 51 and a reaction chamber 52.These container 51 inner accommodation spaces 54 that form are in order to place the hydrogenperoxide steam generator packing.Be connected with the opening device of the difference control that is stressed of a pressure switch, it come into operation thereby can open this hydrogenperoxide steam generator packing by the variation of the pressure in the sealing device 20.In accommodation space 54, can place more than one hydrogenperoxide steam generator packing simultaneously, and be provided with an opening device corresponding to each hydrogenperoxide steam generator packing, this opening device has chain function, can open different hydrogenperoxide steam generator packings at different time, realizes repeatedly sterilization process.This opening device also can be a striker.In the preferred embodiment shown in this utility model accompanying drawing, in accommodation space 54, can place two or more hydrogenperoxide steam generator packings simultaneously, this opening device 55, it is installed in the outside of accommodation space 54 respectively.Each opening device 55 is connected with an electrically-controlled valve (not shown), and this electrically-controlled valve is to be controlled via circuit by a pressure switch (not shown).This pressure switch can change the folding of control electrically-controlled valve by the pressure in the sealing device 10, makes opening device 55 open the hydrogenperoxide steam generator packing automatically.
Above-mentioned reaction chamber 52, can make by the microporous medium of micropore ceramics, micropore high molecular polymer or micropore titanium plate, be arranged on the below of container 51, a pipeline 59, be installed between reaction chamber 52 and the container 51, via its connection that respectively reaction chamber 52 and container 51 connected.Be densely covered with micropore 522 on this reaction chamber 52.One has heating and automatic temperature-controlled heater 527 is installed in the below of reaction chamber 52.
When this utility model uses, be after the lid of sealing device 20 is opened, medical object subject to sterilization is put into sealing device 20, and the hydrogenperoxide steam generator packing is inserted in the container 51 of hydrogen peroxide gas supply 50, cover the locking lid then, make object subject to sterilization and extraneous air isolated.Open the gauge tap (not shown), the control valve 410 of vacuum equipment 40 is unlocked, and vacuum equipment 40 is brought into operation and extracts air in sealing device 20 gas-tight silos 21, makes and forms negative pressure of vacuum in the gas-tight silo 21 gradually.When pressure was set air pressure less than one, the pressure switch (not shown) connected the electrically-controlled valve (not shown) action of opening device 55 via circuit start, thereby makes opening device 55 open accommodation space 54.Pressure switch can be controlled via circuit, makes different opening devices insert accommodation space 54 at different time.At this moment, the liquid hydroperoxide in the accommodation space 54 flow in the reaction chamber 52 via pipeline 59.In this simultaneously, heater 527 makes it heat reaction chamber 52 bottoms.At this moment, liquid hydroperoxide is owing to be subjected to the influence of negative pressure and heat, becomes rapidly after the gaseous hydrogen peroxide by the micropore on the reaction chamber 52 to be dispersed in the gas-tight silo 21 in the sealed container 20, thereby medical object subject to sterilization is wherein carried out sterilization treatment.Hydrogen peroxide is retained in time enough in the gas-tight silo, so that it fully contacts with medical object subject to sterilization.
Meanwhile, or over time, open electromagnetic wave generator 30, its electromagnetic wave that sends is transferred on anode 33 and the negative electrode 35 by transmission line 32,34 respectively.Simultaneously, regulate the power of electromagnetic wave generator 30, make the hydrogen peroxide gas in the gas-tight silo 21 produce ionization, form plasma.The power of adjusting electromagnetic wave generator 30 and the pressure in the gas-tight silo 21 is the electromagnetic intensity of scalable then, and ion, electronics, ray and the ultraviolet etc. of the plasma state that excites formation in the gas-tight silo 21 can carry out the thorough sterilization treatment of low temperature and continue enough sterilization times the medical object that is placed on wherein.
In sterilization treatment, hydrogen peroxide decomposes becomes water vapour to follow oxygen, does not produce harmful object, promptly can not pollute once more sterilized medical object.
After in gas-tight silo 21, medical object subject to sterilization being finished sterilization process through the time of setting, this utility model sterilizing installation cuts out electromagnetic wave generator 30 automatically, opening controlling valve 410 makes the pressure in the gas-tight silo 21 return to atmospheric pressure simultaneously, but the lid of opening encapsulation device 20 takes out sterilized medical object and comes into operation at this moment.
Claims (12)
1, a kind of hydrogen peroxide plasma low temperature sterilization equipment is characterized in that comprising:
Sealing device includes a lid;
Vacuum equipment is connected with sealing device by pipeline;
The hydrogen peroxide gas supply is installed in sealing device inside; And
Electromagnetic wave generator is connected with sealing device by transmission line.
2, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 1, it is characterized in that: above-mentioned hydrogen peroxide gas supply includes a container and a reaction chamber, and this reaction chamber connects with this container and is connected.
3, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 2 is characterized in that: this container and this reaction chamber, and via the pipeline connection that connects.
4, as claim 2 or 3 described hydrogen peroxide plasma low temperature sterilization equipment, it is characterized in that: above-mentioned internal tank forms an accommodation space, and the opening device of at least one hydrogenperoxide steam generator packing is installed in the inside of this accommodation space.
5. hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 4 is characterized in that: this opening device is a kind of opening device of the difference control that is stressed.
6. hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 4 is characterized in that: above-mentioned opening device is a striker.
7, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 5, it is characterized in that: above-mentioned opening device connects an electrically-controlled valve.
8, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 2 is characterized in that: above-mentioned reaction chamber, be installed in the below of container, and the part of this reaction chamber is made of microporous medium.
9, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 2 is characterized in that: the heater that includes a Controllable Temperature in the reaction chamber.
10, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 1 is characterized in that: this electromagnetic wave generator is radio-frequency signal generator or microwave generator or high-frequency switch circuit.
11, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 10, it is characterized in that: the two ends of above-mentioned transmission line are connected with a negative electrode and anode respectively, and this negative electrode and anode are installed in the inside of sealing device.
12, hydrogen peroxide plasma low temperature sterilization equipment as claimed in claim 1 is characterized in that comprising: a control valve is installed in the connection vacuum equipment with on the pipeline of sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045595 CN2832155Y (en) | 2005-10-12 | 2005-10-12 | Hydrogen dioxide plasma low temperature sterilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045595 CN2832155Y (en) | 2005-10-12 | 2005-10-12 | Hydrogen dioxide plasma low temperature sterilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2832155Y true CN2832155Y (en) | 2006-11-01 |
Family
ID=37196471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520045595 Expired - Lifetime CN2832155Y (en) | 2005-10-12 | 2005-10-12 | Hydrogen dioxide plasma low temperature sterilization equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN2832155Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350003A (en) * | 2011-10-28 | 2012-02-15 | 成都老肯科技股份有限公司 | Hydrogen peroxide low-temperature sterilizing equipment and use method thereof |
| CN109152853A (en) * | 2016-05-25 | 2019-01-04 | 西德尔合作公司 | The method and apparatus of vessel fabrication and processing |
| CN115429922A (en) * | 2022-11-04 | 2022-12-06 | 四川凯维茵医疗科技有限公司 | Rapid and thorough hydrogen peroxide disinfection and sterilization device and method |
-
2005
- 2005-10-12 CN CN 200520045595 patent/CN2832155Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350003A (en) * | 2011-10-28 | 2012-02-15 | 成都老肯科技股份有限公司 | Hydrogen peroxide low-temperature sterilizing equipment and use method thereof |
| CN109152853A (en) * | 2016-05-25 | 2019-01-04 | 西德尔合作公司 | The method and apparatus of vessel fabrication and processing |
| CN109152853B (en) * | 2016-05-25 | 2022-01-18 | 西德尔合作公司 | Method and apparatus for container manufacture and handling |
| CN115429922A (en) * | 2022-11-04 | 2022-12-06 | 四川凯维茵医疗科技有限公司 | Rapid and thorough hydrogen peroxide disinfection and sterilization device and method |
| CN115429922B (en) * | 2022-11-04 | 2022-12-30 | 四川凯维茵医疗科技有限公司 | Rapid and thorough hydrogen peroxide disinfection and sterilization device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061101 |
|
| EXPY | Termination of patent right or utility model |