CN110327479A - A kind of ethylene oxide sterilizing monitoring method and device - Google Patents
A kind of ethylene oxide sterilizing monitoring method and device Download PDFInfo
- Publication number
- CN110327479A CN110327479A CN201910748235.1A CN201910748235A CN110327479A CN 110327479 A CN110327479 A CN 110327479A CN 201910748235 A CN201910748235 A CN 201910748235A CN 110327479 A CN110327479 A CN 110327479A
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- CN
- China
- Prior art keywords
- sterilizing
- ethylene oxide
- monitoring
- monitoring device
- cabinet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/206—Ethylene oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
- A61L2/28—Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
Abstract
The invention discloses a kind of ethylene oxide sterilizing monitoring method and devices, belong to ethylene oxide sterilizing technical field, including obtaining the monitoring information in closed sterilizing cabinet；The monitoring information that will acquire is compared with the parameter area that ethylene oxide sterilizing crosses range request, to judge monitoring information whether in the parameter area that ethylene oxide sterilizing crosses range request, if so, determining that sterilizing cabinet is in the effective sterilizing time；If not, it is determined that sterilizing cabinet is in invalid sterilization time.This programme does not need consumption Chemical indicative card and indicator bacteria, the real-time monitoring of sterilization process can be realized, monitoring cost is low.
Description
Technical field
The present invention relates to ethylene oxide sterilizing technical field, in particular to a kind of ethylene oxide sterilizing monitoring method and dress
It sets.
Background technique
Ethylene oxide, which at normal temperature has various microorganisms, to be inhibited to kill effect, and penetration power is strong, damages to sterilizing article
Evil is small, is able to use the packaging materials such as non-woven fabrics, paper and can sterilize under packed state, is suitable for non-refractory, no
The sterilizing of the medical instrument of moisture-proof.Therefore it is used widely in major medical institutions and disposable medical instrument manufacturing enterprise.
To guarantee sterilization effect, need that sterilization process each time is monitored and is evaluated.Both at home and abroad at present to epoxy second
The monitoring of alkane sterilization effect mainly uses chemical monitoring method and biotest methodology, in which: chemical monitoring method is used in each sterilizing
Packet external pasting indicator tape, the mark as sterilization process；Chemical indicative card, the reference as sterilization effect are placed in packet；Root
It, which is identified, according to the color change for wrapping outer indicator tape and Bao Nei instruction card whether sterilized and judged sterilization effect.This method
Operating procedure is more, consumes Chemical indicative card and indicator tape, and monitoring cost is high.Biotest methodology will place withered grass in Packs sterilized
Bacillus var. niger spores tube, will cultivate 24-48 hours after sterilizing, and time-consuming, and cost is higher.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, to reduce the monitoring cost of ethylene oxide sterilizing.
In order to achieve the above object, on the one hand, using a kind of ethylene oxide sterilizing monitoring method, comprising:
The monitoring information in closed sterilizing cabinet is obtained, which includes temperature information, humidity information, gas pressure intensity letter
At least one of in breath and ethylene oxide concentration information；
The monitoring information that will acquire is compared with the parameter area that ethylene oxide sterilizing crosses range request, to judge to monitor
Whether information is in the parameter area that ethylene oxide sterilizing crosses range request；
If so, determining that sterilizing cabinet is in the effective sterilizing time；
If not, it is determined that sterilizing cabinet is in invalid sterilization time.
Further, the ethylene oxide sterilizing crosses the parameter area of range request specifically:
Temperature parameter numberical range is 40~50 DEG C；
The numberical range of humidity parameter are as follows: 45~55%.
The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；
The numberical range of ethylene oxide concentration are as follows: 800~1000mg/L.
Further, further includes:
Monitoring sterilizing cabinet is in whether the effective sterilizing time reaches setting time；
If so, determining that sterilization process is effective；
If not, it is determined that sterilization process is invalid.
On the other hand, using a kind of ethylene oxide sterilizing monitoring device, comprising: monitoring device is arranged in sterilizing cabinet
The output end of monitoring device and single-chip microcontroller, monitoring device is connect with single-chip microcontroller, and the output end of single-chip microcontroller is connect with monitoring device.
Further, the monitoring device includes temperature monitoring module, humidity monitoring module, pressure monitoring modular and epoxy
At least one of ethane concentration monitoring modular.
Further, the temperature monitoring module includes the multiple temperature sensors being arranged in sterilizing cabinet, the humidity
Monitoring modular includes the multiple humidity sensors being arranged in sterilizing cabinet, pressure monitoring modular include be arranged in it is more in sterilizing cabinet
A pressure sensor, ethylene oxide concentration monitoring modular include the multiple ethylene oxide concentration sensors being arranged in sterilizing cabinet.
Further, it is additionally provided with conditioning circuit between the monitoring device and the single-chip microcontroller, which includes
Signal conditioning circuit and A/D conversion circuit, the output end of monitoring device are connect with signal conditioning circuit, signal conditioning circuit it is defeated
Outlet is connect with A/D conversion circuit, and A/D conversion circuit output end is connect with the single-chip microcontroller.
Further, the monitoring device includes the first comparison module and first judgment module；
First comparison module is used for the monitoring information that will acquire and ethylene oxide sterilizing cross the parameter area of range request into
Whether row compares, to judge monitoring information in the parameter area that ethylene oxide sterilizing crosses range request；
First judgment module is used for when the first comparison module output result is to be, when determining that sterilizing cabinet is in effective sterilizing
Between；
First judgment module is used for when the first comparison module output result is no, it is determined that sterilizing cabinet is in invalid sterilizing
Time.
Further, the ethylene oxide sterilizing crosses the parameter area of range request specifically:
Temperature parameter numberical range is 40~50 DEG C；
The numberical range of humidity parameter are as follows: 45~55%.
The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；
The numberical range of ethylene oxide concentration are as follows: 800~1000mg/L.
It further, further include the second comparison module and the second judgment module；
Second comparison module is in whether the effective sterilizing time reaches setting time for comparing sterilizing cabinet；
Second judgment module is used to determine that sterilization process is effective when the second comparison module output result is to be；
Second judgment module is used to determine that sterilization process is invalid when the second comparison module output result is no.
Compared with prior art, there are following technical effects by the present invention: the present invention is using physical monitoring method in sterilizing cabinet
Temperature, humidity, gas pressure intensity and ethylene oxide concentration carry out real-time monitoring, and judge whether the information monitored falls in epoxy
The parameter area that ethane sterilization process requires, to evaluate sterilization effect.This programme do not need consumption Chemical indicative card and
Indicator bacteria, can be realized the real-time monitoring of sterilization process, and monitoring cost is low.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of ethylene oxide sterilizing monitoring method；
Fig. 2 is a kind of structural schematic diagram of ethylene oxide sterilizing monitoring device.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail:
In order to further explain feature of the invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used to limit protection scope of the present invention.
As shown in Figure 1, including the following steps S1-S4 present embodiment discloses a kind of ethylene oxide sterilizing monitoring method:
Monitoring information in S1, the closed sterilizing cabinet of acquisition, which includes temperature information, humidity information, gas pressure
At least one of in strong information and ethylene oxide concentration information；
S2, the monitoring information that will acquire are compared with the parameter area that ethylene oxide sterilizing crosses range request, with judgement
Whether monitoring information is in the parameter area that ethylene oxide sterilizing crosses range request, if so then execute step S3, if otherwise executing step
Rapid S4；
S3, determine that sterilizing cabinet is in the effective sterilizing time；
S4, determine that sterilizing cabinet is in invalid sterilization time.
It should be noted that the parameter area that the various information monitored cross range request with ethylene oxide sterilizing is compared
Compared with when each information each falls within desired parameter area, it is determined that sterilizing cabinet is in the effective sterilizing time, realizes to sterilizing cabinet
The real-time monitoring of process.
Further, the ethylene oxide sterilizing crosses the parameter area of range request specifically:
Temperature parameter numberical range is 40~50 DEG C；
The numberical range of humidity parameter are as follows: 45~55%.
The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；
The numberical range of ethylene oxide concentration are as follows: 800~1000mg/L.
Further, further includes:
Monitoring sterilizing cabinet is in whether the effective sterilizing time reaches setting time；
If so, determining that sterilization process is effective；
If not, it is determined that sterilization process is invalid.
It should be noted that setting time described in the present embodiment is 5 hours, those skilled in the art can also basis
The specific time is arranged to judge whether this sterilization process is effective in actual conditions.
As shown in Fig. 2, the present embodiment also discloses a kind of ethylene oxide sterilizing monitoring device, comprising: monitoring device 10 is set
Monitoring device 20 and single-chip microcontroller 30 in sterilizing cabinet are set, the output end of monitoring device 20 is connect with single-chip microcontroller 30, single-chip microcontroller 30
Output end connect with monitoring device 10.
Wherein, the monitoring device 20 includes temperature monitoring module 21, humidity monitoring module 22,23 and of pressure monitoring modular
At least one of ethylene oxide concentration monitoring modular 24.
Specifically, the temperature monitoring module 21 includes the multiple temperature sensors being arranged in sterilizing cabinet, the humidity
Monitoring modular 22 includes the multiple humidity sensors being arranged in sterilizing cabinet, and pressure monitoring modular 23 includes being arranged in sterilizing cabinet
Multiple pressure sensors, ethylene oxide concentration monitoring modular 24 includes that multiple ethylene oxide concentrations for being arranged in sterilizing cabinet pass
Sensor.
It should be noted that temperature sensor, humidity sensor, pressure sensor and ethylene oxide concentration sensor difference
It is mounted on the up, down, left, right, before and after position in sterilizing cabinet, to monitor temperature, the humidity, gas in sterilizing cabinet everywhere respectively
Pressure and ethylene oxide concentration.
Further, conditioning circuit 40 is additionally provided between monitoring device 20 and the single-chip microcontroller 30, the conditioning circuit packet
Signal conditioning circuit and A/D conversion circuit are included, the output end of monitoring device is connect with signal conditioning circuit, signal conditioning circuit
Output end is connect with A/D conversion circuit, and A/D conversion circuit output end is connect with the single-chip microcontroller.Monitoring device will monitor
The conditioned circuit transmission of information is into single-chip microcontroller, and then single-chip microcontroller can be sent out monitoring information by modes such as conducting wire or bluetooth modules
It send in the monitoring device to outside sterilizing cabinet.
Further, monitoring device is embedded in outside sterilization cabinet door comprising the first comparison module and first judgment module；
First comparison module is used for the monitoring information that will acquire and ethylene oxide sterilizing cross the parameter area of range request into
Whether row compares, to judge monitoring information in the parameter area that ethylene oxide sterilizing crosses range request；
First judgment module is used for when the first comparison module output result is to be, when determining that sterilizing cabinet is in effective sterilizing
Between；
First judgment module is used for when the first comparison module output result is no, it is determined that sterilizing cabinet is in invalid sterilizing
Time.
Specifically, the ethylene oxide sterilizing crosses the parameter area of range request specifically: temperature parameter numberical range is 40
~50 DEG C；The numberical range of humidity parameter are as follows: 45~55%.The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；Epoxy
The numberical range of ethane concentration are as follows: 800~1000mg/L.
Further, monitoring device further includes the second comparison module and the second judgment module；
Second comparison module is in whether the effective sterilizing time reaches setting time for comparing sterilizing cabinet；
Second judgment module is used to determine that sterilization process is effective when the second comparison module output result is to be；
Second judgment module is used to determine that sterilization process is invalid when the second comparison module output result is no.
It should be noted that the time set here as 5 hours, i.e., when the effective sterilizing time reaches 5 hours or more, judges
Sterilizing is otherwise invalid effectively.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ethylene oxide sterilizing monitoring method characterized by comprising
Obtain the monitoring information in closed sterilizing cabinet, the monitoring information include temperature information, humidity information, gas pressure intensity information and
At least one of in ethylene oxide concentration information；
The monitoring information that will acquire is compared with the parameter area that ethylene oxide sterilizing crosses range request, to judge monitoring information
Whether in the parameter area that ethylene oxide sterilizing crosses range request；
If so, determining that sterilizing cabinet is in the effective sterilizing time；
If not, it is determined that sterilizing cabinet is in invalid sterilization time.
2. ethylene oxide sterilizing monitoring method as described in claim 1, which is characterized in that the ethylene oxide sterilizing process is wanted
The parameter area asked specifically:
Temperature parameter numberical range is 40~50 DEG C；
The numberical range of humidity parameter are as follows: 45~55%.
The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；
The numberical range of ethylene oxide concentration are as follows: 800~1000mg/L.
3. ethylene oxide sterilizing monitoring method as described in claim 1, which is characterized in that further include:
Monitoring sterilizing cabinet is in whether the effective sterilizing time reaches setting time；
If so, determining that sterilization process is effective；
If not, it is determined that sterilization process is invalid.
4. a kind of ethylene oxide sterilizing monitoring device characterized by comprising monitoring device, the monitoring being arranged in sterilizing cabinet
The output end of device and single-chip microcontroller, monitoring device is connect with single-chip microcontroller, and the output end of single-chip microcontroller is connect with monitoring device.
5. ethylene oxide sterilizing monitoring device as claimed in claim 4, which is characterized in that the monitoring device includes temperature prison
Survey at least one of module, humidity monitoring module, pressure monitoring modular and ethylene oxide concentration monitoring modular.
6. ethylene oxide sterilizing monitoring device as claimed in claim 4, which is characterized in that the temperature monitoring module includes setting
Multiple temperature sensors in sterilizing cabinet are set, the humidity monitoring module includes the multiple humidity sensors being arranged in sterilizing cabinet
Device, pressure monitoring modular include the multiple pressure sensors being arranged in sterilizing cabinet, and ethylene oxide concentration monitoring modular includes setting
Set multiple ethylene oxide concentration sensors in sterilizing cabinet.
7. ethylene oxide sterilizing monitoring device as claimed in claim 4, which is characterized in that the monitoring device and the monolithic
Conditioning circuit is additionally provided between machine, which includes signal conditioning circuit and A/D conversion circuit, the output of monitoring device
End is connect with signal conditioning circuit, and the output end of signal conditioning circuit is connect with A/D conversion circuit, A/D conversion circuit output end
It is connect with the single-chip microcontroller.
8. ethylene oxide sterilizing monitoring device as claimed in claim 4, which is characterized in that the monitoring device includes the first ratio
Compared with module and first judgment module；
The parameter area that the monitoring information that first comparison module is used to will acquire crosses range request with ethylene oxide sterilizing is compared
Compared with to judge monitoring information whether in the parameter area that ethylene oxide sterilizing crosses range request；
First judgment module is used to determine that sterilizing cabinet is in the effective sterilizing time when the first comparison module output result is to be；
First judgment module is used for when the first comparison module output result is no, it is determined that when sterilizing cabinet is in invalid sterilizing
Between.
9. ethylene oxide sterilizing monitoring device as claimed in claim 8, which is characterized in that the ethylene oxide sterilizing process is wanted
The parameter area asked specifically:
Temperature parameter numberical range is 40~50 DEG C；
The numberical range of humidity parameter are as follows: 45~55%.
The numberical range of gas pressure intensity are as follows: 0.11~0.13MPa；
The numberical range of ethylene oxide concentration are as follows: 800~1000mg/L.
10. ethylene oxide sterilizing monitoring device as claimed in claim 8, which is characterized in that further include the second comparison module and
Second judgment module；
Second comparison module is in whether the effective sterilizing time reaches setting time for comparing sterilizing cabinet；
Second judgment module is used to determine that sterilization process is effective when the second comparison module output result is to be；
Second judgment module is used to determine that sterilization process is invalid when the second comparison module output result is no.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748235.1A CN110327479A (en) | 2019-08-14 | 2019-08-14 | A kind of ethylene oxide sterilizing monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748235.1A CN110327479A (en) | 2019-08-14 | 2019-08-14 | A kind of ethylene oxide sterilizing monitoring method and device |
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| Publication Number | Publication Date |
|---|---|
| CN110327479A true CN110327479A (en) | 2019-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910748235.1A Pending CN110327479A (en) | 2019-08-14 | 2019-08-14 | A kind of ethylene oxide sterilizing monitoring method and device |
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| Country | Link |
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| CN (1) | CN110327479A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121218A (en) * | 2020-09-30 | 2020-12-25 | 深圳市英乐斐科技有限公司 | VHP (very high frequency protocol) sterilization effect judgment method and device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112121218A (en) * | 2020-09-30 | 2020-12-25 | 深圳市英乐斐科技有限公司 | VHP (very high frequency protocol) sterilization effect judgment method and device, electronic equipment and storage medium |
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