CN206473580U - Biological indicator detection means for monitoring lumen class apparatus sterilizing effect - Google Patents

Biological indicator detection means for monitoring lumen class apparatus sterilizing effect Download PDF

Info

Publication number
CN206473580U
CN206473580U CN201621085500.0U CN201621085500U CN206473580U CN 206473580 U CN206473580 U CN 206473580U CN 201621085500 U CN201621085500 U CN 201621085500U CN 206473580 U CN206473580 U CN 206473580U
Authority
CN
China
Prior art keywords
tube chamber
helical form
form tube
biological indicator
class apparatus
Prior art date
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.)
Active
Application number
CN201621085500.0U
Other languages
Chinese (zh)
Inventor
尹焕才
田晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Institute of Biomedical Engineering and Technology of CAS
Original Assignee
Suzhou Institute of Biomedical Engineering and Technology of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Institute of Biomedical Engineering and Technology of CAS filed Critical Suzhou Institute of Biomedical Engineering and Technology of CAS
Priority to CN201621085500.0U priority Critical patent/CN206473580U/en
Application granted granted Critical
Publication of CN206473580U publication Critical patent/CN206473580U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of biological indicator detection means for monitoring lumen class apparatus sterilizing effect, including:Micropore length is away from helical form tube chamber lid, linker and microbial administration cavity;The micropore length is away from helical form tube chamber passage is provided with helical form tube chamber lid, the micropore length is covered away from helical form tube chamber is provided with the first air admission hole, the second air admission hole and venthole;Connected on the venthole in the linker, the microbial administration cavity and be provided with software seal rubber plug, degerming filter membrane, culture medium bag and microbial administration agent carrier.The utility model is used to simulate tube chamber class apparatus, the real work length of its helical form tube chamber passage can be adjusted, make tube chamber channel design and tube chamber class apparatus subject to sterilization closer to, the reliability of sterilizing testing result can be improved, and the utility model can be prevented effectively from the microorganisms such as the bacterium of outside and enter microbial administration cavity, interference detection results, it is the utility model small volume, easy to use, it has highly application value.

Description

Biological indicator detection means for monitoring lumen class apparatus sterilizing effect
Technical field
The utility model is related to biological sterilization detection technique field, especially a kind of to be used for monitoring lumen class apparatus sterilizing effect The biological indicator detection means of fruit.
Background technology
Medicine equipment is the staple product of relation people's health, and safety and effectiveness is its most basic attribute, and sterile, is The most basic measurement index that Safe of Medical Device is evaluated.In order to confirm whether sterilization process gets a desired effect, send out so far Put on display a variety of sterilizing monitoring technology, including physical monitoring, chemical monitoring and biological monitoring.
Wherein physical monitoring to physical parameters such as time, temperature, concentration by measuring, for confirming that sterilization process is transported Whether row state meets sets requirement.Chemical monitoring is the single or multi-parameter that sterilization process is monitored by color change, and then Reflection is sterilized the sterilization process whether implements undergo setting.
Biology prison uses strong stress resistance in the gemma of general microorganism as indicator strain, and the quantity and drag of gemma are all remote More than actual biological load (article subject to sterilization), by observing the killing situation of gemma, inferring the sterilizing of actual biological load has Effect property.In addition, biological monitoring can be additionally used in sterilizing installation confirming performance, sterilization process checking, system suitability experiment and change The links such as control.
Medicine equipment can be divided into height, moderate and low degree of hazard equipment according to risk of infection degree when in use, and to it Microorganism residual proposes different require after sterilizing.Wherein, the use of tube chamber class apparatus is contacted with blood of human body and sterile tissue, is led to Often there are attractor, laparoscope, rigid endoscope and soft scope etc., it, which sterilizes, requires more strict.Simultaneously as its structure is special Property, the length of tube chamber is typically larger than many times of its diameter, and complicated construction is difficult to make bactericidal agent be perforated through tube chamber, causes sterilizing It is required that higher, sterilizing validity is more difficult to reach.
In the past, it is common practice that biological indicator and chemical indicator are positioned in Packs sterilized, this method was only capable of generation The Sterilization of table tube chamber apparatus outer surface, it is impossible to be used in the sterilization effect inside judging.
Recently, many unit simulation tube chamber apparatuses are have developed, for evaluating sterilization effect.Such as Patent No. CN101698109A sterilization detection device, discloses a kind of detection means for simulating tube chamber class apparatus, wherein can inside device Biological or chemical indicant is placed, after sterilizing, indicant is taken out, reflects that tube chamber class apparatus sterilizing is imitated by observing indicant Really;A kind of Challenge device for chemical gas sterilization (Patent No.:CN202184966U), a kind of chemical gas sterilizing challenge is disclosed Device, by placing biological indicator or chemical indicator, confirm chemical sterilization gas penetrates effect, and evaluating chemical gas goes out The reliability of bacterium technique.
Its structure is fixed after existing tube chamber apparatus analogue means makes, it is impossible to according to the length of tube chamber apparatus subject to sterilization And corresponding adjustment is made, easily decline the degree of accuracy of testing result.And present self-contained biological sterile indicator, sterilizing is subsequently Peace a word used in place name bottle is crushed, allows nutrient solution to immerse in strain, wherein, broken peace a word used in place name bottle glass fragment is trapped in blake bottle and can influenceed Light path stroke, influences the judgement of testing result.And present tube chamber apparatus analogue means also generally existing is easily by outside contamination, behaviour Make the defects such as cumbersome, device is fragile.
Utility model content
Technical problem to be solved in the utility model is there is provided one kind to be used for for above-mentioned deficiency of the prior art The biological indicator detection means of monitoring lumen class apparatus sterilizing effect.
In order to solve the above technical problems, the technical solution adopted in the utility model is:One kind is used for monitoring lumen class apparatus The biological indicator detection means of sterilization effect, including:Micropore length is away from helical form tube chamber lid, linker and microbial administration cavity;
The micropore length is away from helical form tube chamber passage is provided with helical form tube chamber lid, the micropore length is away from helical form tube chamber The first air admission hole connected with the helical form tube chamber passage is provided with cap upper surface, the micropore length is away from helical form tube chamber lid The second air admission hole connected with the helical form tube chamber passage is provided with side, the micropore length is away from helical form tube chamber lid bottom It is provided with the venthole connected with the helical form tube chamber passage;The linker is connected on the venthole;
The top of the microbial administration cavity is connected with bottom fitted seal of the micropore length away from helical form tube chamber lid, institute The top for stating microbial administration cavity is provided with openend, the openend and is equipped with software seal rubber plug, the software Degerming filter membrane and culture medium bag are disposed with below seal rubber plug, the microbial administration cavity bottom is provided with biological indicator Carrier.
Preferably, second air admission hole at least includes 2, along the Vertical Square of the micropore length away from helical form tube chamber lid Upward uniform intervals are set.
Preferably, first air admission hole is internally provided with inside the first degerming filtering layer, second air admission hole and set There is the second degerming filtering layer.
Preferably, it is equipped with sealing stopple on first air admission hole and the second air admission hole.
Preferably, the linker has tip-like, is made of stainless steel material, for piercing through the software sealing Plug, degerming filter membrane and culture medium bag.
Preferably, thalline is provided with the microbial administration agent carrier, the biological indicator carrier surface scribbles viscous Property material, with effectively fix thalline.
Preferably, the micropore length is integrally formed away from helical form tube chamber lid by polytetrafluoroethylmaterial material by compression moulding.
Preferably, the microbial administration cavity is made from polystyrene material.
Preferably, the software seal rubber plug and sealing stopple are made from silica gel material.
Preferably, the degerming filter membrane, the first degerming filtering layer and the second degerming filtering layer are by polytetrafluoroethylmaterial material system Into.
The utility model at least includes following beneficial effect:
1. the utility model is used to simulate tube chamber class apparatus, the utility model is by setting the first air admission hole and the second air inlet Mouthful the real work length of helical form tube chamber passage is adjusted, so that according to the length adjustment spiral of tube chamber class apparatus subject to sterilization The real work length of shape tube chamber passage, makes tube chamber channel design with tube chamber class apparatus subject to sterilization more closely, so as to improve The reliability for the testing result that sterilizes.
2. the utility model is provided with degerming filter membrane, the first degerming filtering layer and the second degerming filtering layer, using preceding equipped with biology The microbial administration cavity and external environment of indicator thalline, by pressing micropore length away from helical form tube chamber lid when using, make connection Device penetrates seal rubber plug, can be prevented effectively from the microorganisms such as the bacterium of outside and enter microbial administration cavity, interference detection results.
3. the utility model is provided with culture medium bag in microbial administration cavity, after sterilizing by press again micropore length away from Helical form tube chamber lid, makes linker penetrate culture medium bag, discharges liquid medium to cultivate thalline, detects sterilization effect, biology refers to Show cavity all the time with external environment, the pollution using process external environment condition is avoided that, so as to effective evaluation sterilization effect.
4. it is the utility model small volume, easy to use, simple to operate, it has highly application value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
Description of reference numerals:
1-micropore length is away from helical form tube chamber lid;11-sealing stopple;12-the first degerming filtering layer;13-the first air admission hole; 14-helical form tube chamber passage;15-the second degerming filtering layer;16-the second air admission hole;17-linker;18-venthole;2— Microbial administration cavity;21-software seal rubber plug;22-degerming filter membrane;23-culture medium bag;24-microbial administration agent carrier.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many The presence or addition of individual other elements or its combination.
As shown in figure 1, a kind of biological indicator for monitoring lumen class apparatus sterilizing effect of the present embodiment detects dress Put, including:Micropore length is away from helical form tube chamber lid 1, linker 17 and microbial administration cavity 2;
Micropore length is away from helical form tube chamber passage 14 is provided with helical form tube chamber lid 1, micropore length is away from helical form tube chamber lid 1 The first air admission hole 13 connected with helical form tube chamber passage 14 is provided with surface, micropore length is away from the side of helical form tube chamber lid 1 Be provided with the second air admission hole 16 connected with helical form tube chamber passage 14, micropore length away from the bottom of helical form tube chamber lid 1 be provided with The venthole 18 that helical form tube chamber passage 14 is connected;Device 17 is connected on venthole 18,
Wherein, the second air admission hole 16 includes 2, the uniform intervals along in vertical direction of the micropore length away from helical form tube chamber lid 1 Set.First air admission hole 13 is internally provided with the first degerming filtering layer 12, and the second air admission hole 16 is internally provided with the second degerming filtering layer 15.Sealing stopple 11 is equipped with first air admission hole 13 and the second air admission hole 16.
Wherein, the sterilizing factor (such as ethylene oxide gas, steam etc.), can only pass through, lumen diameter is via spiral tube chamber 1mm-3mm, lumen length 20-150mm.
The utility model is used for simulating the sterilization process of tube chamber class apparatus, and it is entered simultaneously with tube chamber class apparatus subject to sterilization Row sterilizing, is judged by detecting the sterilizing situation of the strain in microbial administration cavity 2 of the present utility model with batch tube chamber class device The sterilization effect of tool.Because the length of tube chamber class apparatus subject to sterilization differs, then need to micropore length of the present utility model away from spiral shell The length of helical form tube chamber passage 14 in rotation shape tube chamber lid 1 is also adjusted accordingly, and can just make helical form of the present utility model The structure of tube chamber passage 14 is with tube chamber class apparatus subject to sterilization more closely, so that sterilizing testing result is relatively reliable.And this Utility model is disposable, to improve the accuracy of testing result.
The utility model is by setting the first air admission hole 13 and the second air inlet to adjust the reality of helical form tube chamber passage 14 Border active length, specifically:
When extracting the sealing stopple 11 in the sealing stopple 11 in the first air admission hole 13, beyond the Great Wall the second air admission hole 16, go out Bacteria factor enters helical form tube chamber passage 14 by the first air admission hole 13, and the real work length of helical form tube chamber passage 14 is first Air admission hole 13 arrives whole length of venthole 18, and now its actual active length is most long;
When extracting the sealing stopple 11 in the sealing stopple 11 in the second air admission hole 16, beyond the Great Wall the first air admission hole 13, spiral shell The length that the real work length of shape tube chamber passage 14 arrives venthole 18 for the second air admission hole 16 is revolved, now its actual active length Less than the total length of helical form tube chamber passage 14, and the second air admission hole 16 includes along micropore length away from the vertical of helical form tube chamber lid 1 Uniform intervals are set on direction at least two, the real work length of helical form tube chamber passage 14 as needed selects it In second air admission hole 16 as the air inlet port of the sterilizing factor, other air admission holes are filled in supporting sealing stopple 11 On.
The top of microbial administration cavity 2 is connected with bottom fitted seal of the micropore length away from helical form tube chamber lid 1, microbial administration The top of cavity 2, which is provided with openend, openend, is equipped with software seal rubber plug 21, the lower section of software seal rubber plug 21 according to Secondary to be provided with degerming filter membrane 22 and culture medium bag 23, the bottom of microbial administration cavity 2 is provided with microbial administration agent carrier 24, culture medium It is equipped with bag 23 on liquid medium, microbial administration agent carrier 24 and strain is housed.
When in use, first appropriate pressing micropore length, away from helical form tube chamber lid 1, makes linker 17 penetrate seal rubber plug but not wear Saturating degerming filter membrane 22, the first air admission hole 13 or the of the present utility model is selected according to the physical length of tube chamber class apparatus subject to sterilization An air inlet port as the sterilizing factor in two air admission holes 16, it is long with the real work for adjusting helical form tube chamber passage 14 Degree, make its length with tube chamber class apparatus more closely, other air admission holes with supporting sealing stopple 11 beyond the Great Wall;Again by this reality Sterilization treatment is carried out with new be together placed in ethylene oxide sterilizer with tube chamber class apparatus subject to sterilization, sterilizing parameter is:Temperature Spend for 50 DEG C, relative humidity is 40%~65%, ethylene oxide gas bulk concentration is 650mg/L, action time is 2 hours.Again will The utility model takes out, and pressing micropore length makes linker 17 penetrate culture medium bag 23 away from helical form tube chamber lid 1, discharges culture medium Liquid medium in bag 23, makes liquid medium be mixed with the thalline on microbial administration agent carrier 24, is cultivated 7 days at 37 DEG C, root Confirm whether ethylene oxide sterilizing effect reaches requirement according to cultivation results, so as to judge the sterilization effect of this batch of tube chamber class apparatus.
Wherein, degerming filter membrane 22, the first degerming filtering layer 15 of degerming filtering layer 12 and second use 0.22um polytetrafluoroethyl-ne Alkene hydrophobic membrane is made.Degerming filter membrane 22, the first degerming filtering layer 15 of degerming filtering layer 12 and second can prevent the microorganisms such as outside bacterium Into microbial administration cavity 2, interference detection results.
Wherein, linker 17 has tip-like, is made of stainless steel material, for piercing through software seal rubber plug 21, removing Bacterium filter membrane 22 and culture medium bag 23.
Wherein, the thalline after air-drying processing is provided with microbial administration agent carrier 24, thalline is bacillus subtilis (ATCC9372) gemma, the surface of microbial administration agent carrier 24 scribbles cohesive material, effectively to fix thalline.
Wherein, micropore length is integrally formed away from helical form tube chamber lid 1 by polytetrafluoroethylmaterial material by compression moulding.
Wherein, microbial administration cavity 2 is made from polystyrene material, and its internal diameter is 8mm, and wall thickness is 0.5mm.
Wherein, software seal rubber plug 21 and sealing stopple 11 are made from silica gel material.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment It is listed to use.It can be applied to various suitable fields of the present utility model completely.For those skilled in the art, Other modification is easily achieved.Therefore under the universal limited without departing substantially from claim and equivalency range, this reality Specific details is not limited to new and shown here as the legend with description.

Claims (10)

1. a kind of biological indicator detection means for monitoring lumen class apparatus sterilizing effect, it is characterised in that including:Micropore Length is away from helical form tube chamber lid, linker and microbial administration cavity;
The micropore length is covered away from helical form tube chamber passage, the micropore length is provided with helical form tube chamber lid away from helical form tube chamber The first air admission hole connected with the helical form tube chamber passage is provided with surface, the micropore length is away from helical form tube chamber lid side On be provided with the second air admission hole connected with the helical form tube chamber passage, the micropore length is set away from helical form tube chamber lid bottom There is the venthole connected with the helical form tube chamber passage;The linker is connected on the venthole;
The top of the microbial administration cavity is connected with bottom fitted seal of the micropore length away from helical form tube chamber lid, the life Thing indicates that the top of cavity is provided with openend, the openend and is equipped with software seal rubber plug, and the software is sealed Degerming filter membrane and culture medium bag are disposed with below plug, the microbial administration cavity bottom is provided with biological indicator load Body.
2. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, second air admission hole at least includes 2, it is uniform along in the vertical direction of the micropore length away from helical form tube chamber lid between Every setting.
3. the biological indicator detection means according to claim 2 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, first air admission hole is internally provided with the first degerming filtering layer, and it is degerming that second air admission hole is internally provided with second Filtering layer.
4. the biological indicator detection means according to claim 2 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, sealing stopple is equipped with first air admission hole and the second air admission hole.
5. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, the linker is tip-like, is made from stainless steel material, for piercing through the software seal rubber plug, degerming filter Film and culture medium bag.
6. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, thalline is provided with the microbial administration agent carrier, the biological indicator carrier surface scribbles cohesive material, with solid Determine thalline.
7. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, the micropore length is made up away from helical form tube chamber lid of polytetrafluoroethylene (PTFE).
8. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, the microbial administration cavity is made from polystyrene material.
9. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, the software seal rubber plug and sealing stopple are made from silica gel material.
10. the biological indicator detection means according to claim 1 for monitoring lumen class apparatus sterilizing effect, it is special Levy and be, the degerming filter membrane, the first degerming filtering layer and the second degerming filtering layer are made by polytetrafluoroethylmaterial material.
CN201621085500.0U 2016-09-28 2016-09-28 Biological indicator detection means for monitoring lumen class apparatus sterilizing effect Active CN206473580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621085500.0U CN206473580U (en) 2016-09-28 2016-09-28 Biological indicator detection means for monitoring lumen class apparatus sterilizing effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621085500.0U CN206473580U (en) 2016-09-28 2016-09-28 Biological indicator detection means for monitoring lumen class apparatus sterilizing effect

Publications (1)

Publication Number Publication Date
CN206473580U true CN206473580U (en) 2017-09-08

Family

ID=59756870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621085500.0U Active CN206473580U (en) 2016-09-28 2016-09-28 Biological indicator detection means for monitoring lumen class apparatus sterilizing effect

Country Status (1)

Country Link
CN (1) CN206473580U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110862920A (en) * 2019-12-02 2020-03-06 吴权辉 Container for biological indicator
US10907126B2 (en) 2016-03-01 2021-02-02 Asp Global Manufacturing Gmbh Self-contained biological indicator
US11053534B2 (en) 2017-06-30 2021-07-06 Asp Global Manufacturing Gmbh Systems and methods for confirming activation of biological indicators
US11242505B2 (en) 2017-01-03 2022-02-08 Asp Global Manufacturing Gmbh Self-contained biological indicator
US11248250B2 (en) 2017-12-01 2022-02-15 Asp Global Manufacturing Gmb Self-contained biological indicator
US11795044B2 (en) 2020-11-10 2023-10-24 Advanced Sterilization Products, Inc. Ampoule breaker for a biological indicator
US11965151B2 (en) 2021-01-22 2024-04-23 Asp Global Manufacturing Gmbh Self-contained biological indicator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10907126B2 (en) 2016-03-01 2021-02-02 Asp Global Manufacturing Gmbh Self-contained biological indicator
US11242505B2 (en) 2017-01-03 2022-02-08 Asp Global Manufacturing Gmbh Self-contained biological indicator
US11053534B2 (en) 2017-06-30 2021-07-06 Asp Global Manufacturing Gmbh Systems and methods for confirming activation of biological indicators
US11248250B2 (en) 2017-12-01 2022-02-15 Asp Global Manufacturing Gmb Self-contained biological indicator
CN110862920A (en) * 2019-12-02 2020-03-06 吴权辉 Container for biological indicator
US11795044B2 (en) 2020-11-10 2023-10-24 Advanced Sterilization Products, Inc. Ampoule breaker for a biological indicator
US11965151B2 (en) 2021-01-22 2024-04-23 Asp Global Manufacturing Gmbh Self-contained biological indicator

Similar Documents

Publication Publication Date Title
CN206473580U (en) Biological indicator detection means for monitoring lumen class apparatus sterilizing effect
CN106267277A (en) Biological indicator for monitoring lumen class apparatus sterilizing effect detects device
US6726671B2 (en) Cell storage maintenance and monitoring system
US20010006610A1 (en) Contained indicators for determining sterilizations
CN206970617U (en) Simplify the quick bio indicator of structure
RU129814U1 (en) BIOLOGICAL INDICATOR OF CONTROL OF THE PROCESS OF STERILIZATION OF PRODUCTS OF MEDICAL PURPOSE (OPTIONS)
Lavin et al. Gnotobiotic and conventional mouse systems to support microbiota based studies
WO2002056923A2 (en) Indicator systems for determination of sterilization
US20210236677A1 (en) Sterilization monitor
EP2575666B1 (en) Methods of packing medical devices
US11473120B2 (en) Reference test body, use, test chamber, and method
JPS58212775A (en) Bio-indicator
CN208114832U (en) Steam sterilizing fast verification device containing Chemical indicative card and biological indicator
CN102688512B (en) Sterilization process challenge test tube
CN212282308U (en) Pressure steam sterilization extremely-fast comprehensive challenge lumen sterilization verification device
US9994808B2 (en) Portable disposable re-usable culture device for rapid diagnosis of infectious agents
CN107478718A (en) A kind of automatic sterile detection means and method
US20020037546A1 (en) Indicator systems for determination of sterilization
Hancock Heat sterilization
CN208492763U (en) A kind of pressuresteam sterilization lumen chemistry verifying device
CN206039257U (en) Early warning system is got rid of to pulse vacuum sterilizer's cold air
Spicher Biological indicators and monitoring systems for validation and cycle control of sterilization processes
McCauley et al. Biological Indicators for Sterilization
CN216985757U (en) Pressure steam sterilization process verification device capable of being visually interpreted
RU2586051C1 (en) Biological indicator for control of sterilisation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant