CN106693009A - Barometric pressure flexible cold plasma jet endoscope sterilizing device and method - Google Patents
Barometric pressure flexible cold plasma jet endoscope sterilizing device and method Download PDFInfo
- Publication number
- CN106693009A CN106693009A CN201611216586.0A CN201611216586A CN106693009A CN 106693009 A CN106693009 A CN 106693009A CN 201611216586 A CN201611216586 A CN 201611216586A CN 106693009 A CN106693009 A CN 106693009A
- Authority
- CN
- China
- Prior art keywords
- endoscope
- plasma jet
- cold
- atmospheric pressure
- plasma
- 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.)
- Granted
Links
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
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/14—Plasma, i.e. ionised gases
-
- 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
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
-
- 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
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
Abstract
The invention relates to the field of sterilization in the medical industry, and particularly relates to a barometric pressure flexible cold plasma jet endoscope sterilizing device and a barometric pressure flexible cold plasma jet endoscope sterilizing method. An endoscope is immersed in a conduit type sterilizing region full of a barometric pressure flexible cold plasma jet, the microorganism on the surface of the endoscope is killed by the barometric pressure flexible cold plasma jet, the conduit type sterilizing region is non-closed and is independent from a plasma electrode discharge region, and the plasma electrode discharge region is used for producing the flexible cold plasma jet. The soft or hard endoscopes in different sizes are sterilized by changing the shape and the size of a conduit without changing the structure of an electrode. The sterilizing method does not need complicated vacuum equipment, the cost is low, the efficiency is high, no chemical reagent is needed, the environmental pollution is avoided, and the method is a low-cost high-efficiency green endoscope sterilizing method.
Description
Technical field
The present invention relates to the field of disinfection and sterilization in medical industry, and in particular to a kind of atmospheric pressure flexibility cold plasma is penetrated
Stream endoscope sterilization device and method.
Background technology
Endoscope is a kind of for observer and the important medicine equipment of animal lumen of a body vessel, by clinical practice in various
The diagnosis and treatment of disease.Before using endoscope, need to it be carried out sterilization treatment to prevent cross-infection.Existing various methods
It is used to the endoscope that sterilizes, such as high temperature and high pressure steam, epoxyethane fumigation, glutaraldehyde immersion and Low-temperature Plasma Sterilization.
Wherein, high temperature and high pressure steam method sterilising temp is higher, and fire damage is easily caused to endoscope surface, and difficult to some pathogenic microorganisms
Effectively inactivation.The sterilization process of epoxy ethane fumigation needs the long period to divulge information, and causes the whole sterilization cycle time more long.Separately
Outward, oxirane is toxic, and inflammable and explosive, once residual or leakage, dealing with improperly will cause security incident；Therefore, use
Its sterilizing there will be more serious potential safety hazard.Glutaraldehyde infusion method need to typically soak more than ten hours, and sterilizing efficiency is relatively low；And
Glutaraldehyde has intense irritation, may stimulate skin, mucous membrane, causes human allergy；During discharge waste liquid, can polluted-water.
Low-temperature Plasma Sterilization kills pathogenic microorganism using the active particle in plasma, without chemistry during sterilizing
Reagent, environmentally safe, preferably, efficiency is higher, and smaller to endoscope superficial injury for treatment effect, is a kind of comparatively ideal
Endoscope sterilization method.Document（Zentralblatt fur Hygiene und Umweltmedizin 1993, 194 (4):
380-391）There is provided the apparatus and method sterilized to endoscope using hydrogen peroxide plasma, researched and developed based on this
Sterrad 100s endoscope sterilizations systems are widely used in the world.But the apparatus and method need costly
Vacuum equipment, it is relatively costly, and in actual treatment, need to first vacuumize, inject hydrogen peroxide and sterilized again, therefore can reduce
Germicidal efficiency；In addition, such device is difficult to sterilize very long or very thin endoscope.Using the simpler bactericidal unit of structure
And inexpensive gas carries out method so far there are no the relevant report of endoscope sterilization.In addition, if plasma electrode is discharged
Region and sterile field separate, then sterile field temperature can be reduced, easily by changing pipe size to adapt to different size
Endoscope, but above-mentioned endoscope sterilization device fail so far realize.
The content of the invention
Fail to separate with jet sterile field to solve the above-mentioned region of discharge of plasma electrode in the prior art, fail reality
Now the present invention provides one kind and realizes atmospheric pressure flexible cold plasma to technical problems such as endoscope sterilizations the short time under atmospheric pressure
The method of body jet endoscope sterilization.Another object of the present invention is to propose a kind of simple structure, low cost it is big for realizing
The device of air pressure flexible cold-plasma jet endoscope sterilization.
To achieve the above object, the technical solution adopted by the present invention is：In a kind of atmospheric pressure flexibility cold-plasma jet
Sight glass sterilizing methods, it is characterised in that endoscope is immersed in the catheter type sterilizing full of atmospheric pressure flexibility cold-plasma jet
In region, the microorganism of endoscope surface can be killed by atmospheric pressure flexibility cold-plasma jet, the catheter type sterilizing
Region is non-enclosed and separate with plasma electrode region of discharge, and the plasma electrode region of discharge is used to produce
The life flexible cold-plasma jet.
Concretely comprise the following steps：By in the endoscope insertion catheter type sterile field, the plasma electrode discharges
The atmospheric pressure flexibility cold-plasma jet produced in region enters and full of the catheter type sterile field, to described interior
Sight glass realizes sterilizing.
The working gas of atmospheric pressure flexibility cold-plasma jet include nitrogen, oxygen, argon gas, helium, air or
The gaseous mixture of above gas.
The discharge type of the atmospheric pressure flexibility cold-plasma jet includes bare electrode electric discharge, dielectric barrier discharge, sky
One kind in heart cathodic discharge.
The size and dimension of atmospheric pressure flexibility cold-plasma jet determines by the catheter type sterile field, can root
Adjust the conduit of the catheter type sterile field according to the size and dimension of the endoscope, vary without electrode and the grade from
On the premise of daughter electrode discharge regional structure, realize to various sizes of soft, rigid endoscope sterilization.
The material of the conduit includes polytetrafluoroethylene (PTFE), PMMA (polymethyl methacrylate), quartz glass, glassy silicate
In glass, PC (makrolon), PEEK (polyether-ether-ketone), PI (polyimides), TPU (TPUE rubber) one
Kind, its part for being used to place the endoscope is horizontal or vertical or bending-type circular tube structure, the length of the circular tube structure
It is 20-1500mm to spend, a diameter of 2-20mm.
The straight circular tube structure that the horizontal circular tube structure, vertical circular tube structure are respectively level, are vertically arranged, it is adaptable to right
Rigid endoscope sterilization, the bending-type circular tube structure is to be vertically arranged and with the circular tube structure of shape wave radian, it is adaptable to right
Soft endoscope sterilizes.
A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device, it is characterised in that including separate
Catheter type sterile field and plasma electrode region of discharge, the catheter type sterile field includes leading for deploying endoscope
Pipe, exists for the atmospheric pressure flexibility cold-plasma jet to endoscope submergence sterilizing in conduit, and the upper end of conduit is provided with row
Stomata, in the plasma electrode region of discharge, the working gas of atmospheric pressure flexibility cold-plasma jet is by work gas
Body source send and sequentially pass through pressure-reducing valve and adjustable flow meter after be passed through cold plasma fluid generator, cold-plasma jet
The outlet connecting conduit of generator, the respective electrode of cold plasma fluid generator connects the output end of high voltage power supply respectively.
The outlet diameter of the cold plasma fluid generator is 2-6mm, and the discharge type of its respective electrode is including naked
One kind in electric pole type, dielectric impedance formula, hollow cathode formula.
The high voltage power supply is high-voltage DC power supply, high-voltage radio-frequency power supply, microwave power supply, high pressure low-frequency ac power, height
One kind in the pressure pulse power, output voltage is 0-10kV.
The material of the conduit is polytetrafluoroethylene (PTFE), PMMA (polymethyl methacrylate), quartz glass, glassy silicate
In glass, PC (makrolon), PEEK (polyether-ether-ketone), PI (polyimides), TPU (TPUE rubber) one
Kind, its part for being used for deploying endoscope is horizontal or vertical or bending-type circular tube structure, and the length of the circular tube structure is
20-1500mm, a diameter of 2-20mm.
The straight circular tube structure that the horizontal circular tube structure, vertical circular tube structure are respectively level, are vertically arranged, it is adaptable to right
Rigid endoscope sterilization.
The bending-type circular tube structure is to be vertically arranged and with the circular tube structure of shape wave radian, it is adaptable to interior peeped to soft
Mirror sterilizes.
The corresponding radius of circle of the shape wave radian is 20-200mm, and central angle is 30-90 degree.
The working gas is the gaseous mixture of one or more several gases in nitrogen, oxygen, argon gas, helium, air.
The working gas is entered in cold plasma fluid generator with the flow of 10 ~ 40L/min.
The present invention is advantageous in that：
（1）In flexible cold-plasma jet containing substantial amounts of high-velocity electrons, ion, strong oxidizing property atom, excited state molecule and
Free radical isoreactivity particle, has chemism higher, amino sugar that can in a short time in oxidizing microorganisms vivo protein chain,
Microorganism is killed, is realized without chemical reagent, sterilized；
（2）This method can be used different operating gaseous sterilization, and the relatively low gas of oxidisability may be selected if necessary such as：Nitrogen,
Helium etc. is avoiding endoscope rubber aging in sterilization process；
（3）There is a spacing the flexible cold-plasma jet sterile field for submerging endoscope away from its plasma electrode region of discharge
From its macro-temperature as little as room temperature will not produce fire damage to endoscope；
（4）This method can be real by changing pipe size, shape, on the premise of electrode and region of discharge structure is varied without
Now to various sizes of soft and rigid endoscope sterilization；
（5）This method can be used nitrogen to be sterilized without complicated vacuum equipment, and cost is relatively low, simple to operate flexible,
It is environmentally safe, it is a kind of inexpensive, efficient green sterilizing methods.
Brief description of the drawings
Fig. 1 is the schematic diagram that a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device sterilizes to hard endoscope
（Conduit is horizontal）.
Fig. 2 is the schematic diagram that a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device sterilizes to hard endoscope
（Conduit pipe vertical type）.
Fig. 3 is a kind of schematic diagram of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device to soft endoscope sterilization
（Guiding-tube bend formula）.
Fig. 4 is the bacterium colony figure of the flexible front and rear endoscope surface of cold-plasma jet sterilizing under microscope.
In figure：1- working gas source；2- pressure-reducing valves；3- adjustable flow meters；4- cold plasma fluid generators；5- high pressures
Power supply；6- conduits；7- endoscopes；8- atmospheric pressure flexibility cold-plasma jet；9- steam vents；（a）、（b）It is bacterium colony before sterilizing；
（c）、（d）It is bacterium colony after being sterilized through 1min.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings, but the present invention is not limited to specific embodiment.
Embodiment 1
A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device as shown in Figure 1, including separate conduit
Formula sterile field and plasma electrode region of discharge, the catheter type sterile field includes the conduit for deploying endoscope 7
6, exist in conduit 6 for the atmospheric pressure flexibility cold-plasma jet 8 to the submergence sterilizing of endoscope 7, the upper end of conduit 6 is provided with
Steam vent 9, in the plasma electrode region of discharge, the working gas of atmospheric pressure flexibility cold-plasma jet 8 is by work
Make gas source 1 send and sequentially pass through pressure-reducing valve 2 and adjustable flow meter 3 after be passed through cold plasma fluid generator 4, cold grade from
The outlet connecting conduit 6 of daughter fluidic generator 4, the respective electrode of cold plasma fluid generator 4 connects high-tension electricity respectively
The output end in source 5.
The outlet diameter of the cold plasma fluid generator 4 is 4mm, and the discharge type of its respective electrode is bare electrode
Formula.
The high voltage power supply 5 be high pressure low-frequency ac power, frequency 30kHz-100 kHz, output voltage is 0-10kV, most
High-power 500W.
The material of the conduit 6 is PMMA, and its part for being used for deploying endoscope 7 is horizontal circular tube structure, described sleeping
Formula circular tube structure is horizontally disposed straight circular tube structure, and the length of the circular tube structure is 320mm, a diameter of 10mm.
Embodiment 2
A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization method, endoscope is immersed in full of atmospheric pressure flexible cold
In the catheter type sterile field of plasma jet, the microorganism of endoscope surface can be by atmospheric pressure flexibility cold plasma
Jet is killed, and the catheter type sterile field is described etc. for non-enclosed and separate with plasma electrode region of discharge
Gas ions electrode discharge region is used to produce the flexible cold-plasma jet.Using described in embodiment 1 in the present embodiment
To realizing the above method, endoscope is that length is 305mm, the cystoscope of a diameter of 4mm to device in the present embodiment, is a kind of rigid
Endoscope, working gas for purity 99.999% high pure nitrogen, comprise the following steps that：
The first step：The each several part of equipment is attached according to described in embodiment 1：
Second step：By in endoscope 7 to be sterilized slowly insertion conduit 6；
3rd step：Pressure-reducing valve 2 is opened, nitrogen is steadily passed through cold-plasma jet by the L/min of adjustment adjustable flow meter 3 to 20
In generator 4, cold plasma fluid generator 4 uses bare electrode discharge type, the plasma that the discharge type is produced to penetrate
Stream will not occur disruptive discharge with the conductor such as metal, and macro-temperature is room temperature, therefore to the insulating properties of conduit 6, endoscope 7 etc.
And heat resistance is without particular/special requirement；
4th step：High voltage power supply 5 is opened, adjustment output frequency is 60.0 kHz, produced in cold plasma fluid generator 4 big
Air pressure flexible cold-plasma jet 8, starts from scratch and gradually steps up output voltage, until atmospheric pressure flexibility cold-plasma jet
8 are full of conduit 6, and are discharged through steam vent 9, and now endoscope 7 is totally submerged in atmospheric pressure flexibility cold-plasma jet 8,
Realize sterilizing.
Fig. 4 is the bacterium colony of the flexible front and rear endoscope surface of cold-plasma jet sterilizing under microscope；（a）、（b）It is sterilizing
Preceding bacterium colony,（c）、（d）It is bacterium colony after being sterilized through 1min, it can be seen that after treatment 1min, Most bacterial is killed, sterilizing
Effect is significant.
Embodiment 3
A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device as shown in Figure 2, including separate conduit
Formula sterile field and plasma electrode region of discharge, the catheter type sterile field includes the conduit for deploying endoscope 7
6, exist in conduit 6 for the atmospheric pressure flexibility cold-plasma jet 8 to the submergence sterilizing of endoscope 7, the upper end of conduit 6 is provided with
Steam vent 9, in the plasma electrode region of discharge, the working gas of atmospheric pressure flexibility cold-plasma jet 8 is by work
Make gas source 1 send and sequentially pass through pressure-reducing valve 2 and adjustable flow meter 3 after be passed through cold plasma fluid generator 4, cold grade from
The outlet connecting conduit 6 of daughter fluidic generator 4, the respective electrode of cold plasma fluid generator 4 connects high-tension electricity respectively
The output end in source 5.
The outlet diameter of the cold plasma fluid generator 4 is 2mm, and the discharge type of its respective electrode is medium resistance
Gear formula.
The high voltage power supply 5 is high-voltage radio-frequency power supply, and frequency 2MHz-41MHz, output voltage is 0-10kV, peak power
300W。
The material of the conduit 6 is quartz glass, and its part for being used for deploying endoscope 7 is vertical circular tube structure, institute
It is the straight circular tube structure being vertically arranged to state vertical circular tube structure, and the length of the circular tube structure is 200mm, a diameter of 6mm.
Embodiment 4
A kind of method sterilized to endoscope using device described in embodiment 3, endoscope is for length in the present embodiment
The nasal sinus mirror of 180mm, a diameter of 2.7mm, is a kind of rigid endoscope, and working gas is the high-purity helium of purity 99.999%,
Comprise the following steps that：
The first step：The each several part of equipment is attached according to described in embodiment 3：
Second step：By in endoscope 7 to be sterilized slowly insertion conduit 6；
3rd step：Pressure-reducing valve 2 is opened, helium is steadily passed through cold-plasma jet by the L/min of adjustment adjustable flow meter 3 to 12
In generator 4, cold plasma fluid generator 4 uses dielectric barrier discharge form, the plasma that the discharge type is produced
The concentration of active particle is higher, and sterilizing efficiency is also higher；
4th step：High voltage power supply 5 is opened, adjustment output frequency is 13.56MHz, produced in cold plasma fluid generator 4 big
Air pressure flexible cold-plasma jet 8, starts from scratch and gradually steps up output voltage, until atmospheric pressure flexibility cold-plasma jet
8 are full of conduit 6, and are discharged through steam vent 9, and now endoscope 7 is totally submerged in atmospheric pressure flexibility cold-plasma jet 8,
Realize the sterilization effect close with embodiment 2.
Embodiment 5
A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device as shown in Figure 3, including separate conduit
Formula sterile field and plasma electrode region of discharge, the catheter type sterile field includes the conduit for deploying endoscope 7
6, exist in conduit 6 for the atmospheric pressure flexibility cold-plasma jet 8 to the submergence sterilizing of endoscope 7, the upper end of conduit 6 is provided with
Steam vent 9, in the plasma electrode region of discharge, the working gas of atmospheric pressure flexibility cold-plasma jet 8 is by work
Make gas source 1 send and sequentially pass through pressure-reducing valve 2 and adjustable flow meter 3 after be passed through cold plasma fluid generator 4, cold grade from
The outlet connecting conduit 6 of daughter fluidic generator 4, the respective electrode of cold plasma fluid generator 4 connects high-tension electricity respectively
The output end in source 5.
The outlet diameter of the cold plasma fluid generator 4 is 6mm, and the discharge type of its respective electrode is hollow the moon
Pole formula.
The high voltage power supply 5 is microwave power supply, and frequency 500MHz-5GHz, output voltage is 0-10kV, peak power
500W。
The material of the conduit 6 is polytetrafluoroethylene (PTFE), and the part that it is used for deploying endoscope 7 is the pipe knot of bending-type
Structure, the bending-type circular tube structure is to be vertically arranged and with the circular tube structure of shape wave radian, the corresponding circle of the shape wave radian
Radius is 100mm, and central angle is 45 degree, and the length of the circular tube structure is 1500mm, a diameter of 20mm.
Embodiment 6
A kind of method sterilized to endoscope using device described in embodiment 5, endoscope is that work is long in the present embodiment
It is the gastroscope of 1100mm, a diameter of 5.9mm to spend, and is a kind of soft endoscope, and working gas is helium, the gaseous mixture of oxygen,
Wherein the volume fraction of oxygen is 1%, is comprised the following steps that：
The first step：The each several part of equipment is attached according to described in embodiment 5：
Second step：By in endoscope 7 to be sterilized slowly insertion conduit 6；
3rd step：Pressure-reducing valve 2 is opened, the L/min of adjustment adjustable flow meter 3 to 35 gaseous mixture is steadily passed through cold plasma and is penetrated
In flow-generator 4, cold plasma fluid generator 4 uses hollow cathode discharge form, and the discharge type is glow discharge, tool
There is particle density higher；
4th step：High voltage power supply 5 is opened, output frequency is adjusted to produce air in 2.4GHz cold plasma fluid generators 4
The flexible cold-plasma jet 8 of pressure, starts from scratch and gradually steps up output voltage, until atmospheric pressure flexibility cold-plasma jet 8
Full of conduit 6, and discharged through steam vent 9, now endoscope 7 is totally submerged in atmospheric pressure flexibility cold-plasma jet 8, real
Sterilization effect now close with embodiment 2,4.
Claims (10)
1. a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization method, it is characterised in that endoscope is immersed in and is full of
In the catheter type sterile field of atmospheric pressure flexibility cold-plasma jet, the microorganism of endoscope surface can be soft by the atmospheric pressure
Property cold-plasma jet kill, the catheter type sterile field is for non-enclosed and mutual with plasma electrode region of discharge
Independent, the plasma electrode region of discharge is used to produce the flexible cold-plasma jet.
2. atmospheric pressure according to claim 1 flexibility cold-plasma jet endoscope sterilization method, it is characterised in that tool
Body step is：By in the endoscope insertion catheter type sterile field, produced in the plasma electrode region of discharge
Atmospheric pressure flexibility cold-plasma jet enter and full of the catheter type sterile field, the endoscope is realized to go out
Bacterium.
3. atmospheric pressure according to claim 1 and 2 flexibility cold-plasma jet endoscope sterilization method, its feature exists
In the working gas of the atmospheric pressure flexibility cold-plasma jet includes nitrogen, oxygen, argon gas, helium, air or more gas
The gaseous mixture of body.
4. atmospheric pressure according to claim 1 and 2 flexibility cold-plasma jet endoscope sterilization method, its feature exists
In the discharge type of the atmospheric pressure flexibility cold-plasma jet includes bare electrode electric discharge, dielectric barrier discharge, hollow cathode
One kind in electric discharge.
5. atmospheric pressure according to claim 1 and 2 flexibility cold-plasma jet endoscope sterilization method, its feature exists
In the size and dimension of the atmospheric pressure flexibility cold-plasma jet is determined by the catheter type sterile field, can be according to institute
The size and dimension for stating endoscope adjusts the conduit of the catheter type sterile field, is varying without electrode and the plasma
On the premise of electrode discharge regional structure, realize to various sizes of soft, rigid endoscope sterilization.
6. atmospheric pressure according to claim 5 flexibility cold-plasma jet endoscope sterilization method, it is characterised in that institute
The material for stating conduit includes polytetrafluoroethylene (PTFE), polymethyl methacrylate, quartz glass, silicate glass, makrolon, polyethers
One kind in ether ketone, polyimides, TPUE rubber, the part that it is used to place the endoscope is horizontal
Or vertical or bending-type circular tube structure, the length of the circular tube structure is 20-1500mm, a diameter of 2-20mm.
7. atmospheric pressure according to claim 6 flexibility cold-plasma jet endoscope sterilization method, it is characterised in that institute
State horizontal circular tube structure, vertical circular tube structure respectively level, the straight circular tube structure being vertically arranged, it is adaptable to rigid endoscope
Sterilizing, the bending-type circular tube structure is to be vertically arranged and with the circular tube structure of shape wave radian, it is adaptable to soft endoscope
Sterilizing.
8. a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device, it is characterised in that led including separate
Tubular type sterile field and plasma electrode region of discharge, the catheter type sterile field include being used for deploying endoscope（7）'s
Conduit（6）, conduit（6）It is middle to exist for endoscope（7）Submerge the atmospheric pressure flexibility cold-plasma jet of sterilizing（8）, lead
Pipe（6）Upper end be provided with steam vent（9）, in the plasma electrode region of discharge, atmospheric pressure flexibility cold plasma is penetrated
Stream（8）Working gas by working gas source（1）Send and sequentially pass through pressure-reducing valve（2）With adjustable flow meter（3）After be passed through it is cold
Plasma fluid generator（4）, cold plasma fluid generator（4）Outlet connecting conduit（6）, cold-plasma jet
Generator（4）Respective electrode connect high voltage power supply respectively（5）Output end.
9. a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device according to claim 8, its feature exists
In the cold plasma fluid generator（4）Outlet diameter be 2-6mm, the discharge type of its respective electrode includes naked electricity
One kind in pole formula, dielectric impedance formula, hollow cathode formula.
10. a kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device according to claim 8, its feature exists
In the high voltage power supply（5）It is high-voltage DC power supply, high-voltage radio-frequency power supply, microwave power supply, high pressure low-frequency ac power, high pressure
One kind in the pulse power, output voltage is 0-10kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216586.0A CN106693009B (en) | 2016-12-26 | 2016-12-26 | Atmospheric pressure flexible cold plasma jet endoscope sterilization device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216586.0A CN106693009B (en) | 2016-12-26 | 2016-12-26 | Atmospheric pressure flexible cold plasma jet endoscope sterilization device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106693009A true CN106693009A (en) | 2017-05-24 |
| CN106693009B CN106693009B (en) | 2023-06-27 |
Family
ID=58903392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216586.0A Active CN106693009B (en) | 2016-12-26 | 2016-12-26 | Atmospheric pressure flexible cold plasma jet endoscope sterilization device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693009B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107114648A (en) * | 2017-05-31 | 2017-09-01 | 安徽沃兰朵电源技术有限公司 | A kind of device sterilized for PET |
| CN111642052A (en) * | 2020-07-15 | 2020-09-08 | 安徽工业大学 | Flexible slender microplasma jet source and using method |
| CN114554670A (en) * | 2022-02-14 | 2022-05-27 | 西安电子科技大学 | Plasma jet system and control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350467A (en) * | 1999-05-14 | 2002-05-22 | 费尔蒙特医疗产品有限公司 | Sterilization container |
| JP2003210556A (en) * | 2002-01-18 | 2003-07-29 | Toshiba Corp | Pipe sterilizer with plasma |
| JP2005046264A (en) * | 2003-07-31 | 2005-02-24 | Toshiba Corp | Sterilization apparatus and method for pipe |
| CN101284142A (en) * | 2008-05-30 | 2008-10-15 | 清华大学 | Atmosphere cold plasma disinfection method |
| WO2012091521A2 (en) * | 2010-12-30 | 2012-07-05 | Lee Sang Il | Apparatus and method for sterilizing an endoscope |
| US20130272929A1 (en) * | 2012-04-06 | 2013-10-17 | EP Technologies LLC | Sanitization station using plasma activated fluid |
| CN103585650A (en) * | 2013-07-09 | 2014-02-19 | 西安交通大学 | Low-temperature plasma endoscope sterilizing device and method |
| CN204191013U (en) * | 2014-11-10 | 2015-03-04 | 威海出入境检验检疫局检验检疫技术中心 | A kind of large area low-temperature plasma jet generator and bactericidal unit |
| CN105009691A (en) * | 2012-12-18 | 2015-10-28 | 兰德股份公司 | Device for providing a flow of plasma |
| CN206761952U (en) * | 2016-12-26 | 2017-12-19 | 大连顺达微创科技有限公司 | A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device |
-
2016
- 2016-12-26 CN CN201611216586.0A patent/CN106693009B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350467A (en) * | 1999-05-14 | 2002-05-22 | 费尔蒙特医疗产品有限公司 | Sterilization container |
| JP2003210556A (en) * | 2002-01-18 | 2003-07-29 | Toshiba Corp | Pipe sterilizer with plasma |
| JP2005046264A (en) * | 2003-07-31 | 2005-02-24 | Toshiba Corp | Sterilization apparatus and method for pipe |
| CN101284142A (en) * | 2008-05-30 | 2008-10-15 | 清华大学 | Atmosphere cold plasma disinfection method |
| WO2012091521A2 (en) * | 2010-12-30 | 2012-07-05 | Lee Sang Il | Apparatus and method for sterilizing an endoscope |
| US20130272929A1 (en) * | 2012-04-06 | 2013-10-17 | EP Technologies LLC | Sanitization station using plasma activated fluid |
| CN105009691A (en) * | 2012-12-18 | 2015-10-28 | 兰德股份公司 | Device for providing a flow of plasma |
| CN103585650A (en) * | 2013-07-09 | 2014-02-19 | 西安交通大学 | Low-temperature plasma endoscope sterilizing device and method |
| CN204191013U (en) * | 2014-11-10 | 2015-03-04 | 威海出入境检验检疫局检验检疫技术中心 | A kind of large area low-temperature plasma jet generator and bactericidal unit |
| CN206761952U (en) * | 2016-12-26 | 2017-12-19 | 大连顺达微创科技有限公司 | A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107114648A (en) * | 2017-05-31 | 2017-09-01 | 安徽沃兰朵电源技术有限公司 | A kind of device sterilized for PET |
| CN111642052A (en) * | 2020-07-15 | 2020-09-08 | 安徽工业大学 | Flexible slender microplasma jet source and using method |
| CN114554670A (en) * | 2022-02-14 | 2022-05-27 | 西安电子科技大学 | Plasma jet system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106693009B (en) | 2023-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206761952U (en) | A kind of atmospheric pressure flexibility cold-plasma jet endoscope sterilization device | |
| JP5305274B2 (en) | Method and apparatus for supplying ions to liquid and sterilization method and apparatus | |
| JP4408957B2 (en) | Sterilization method and apparatus | |
| JP5403753B2 (en) | Plasma sterilization method | |
| KR101250748B1 (en) | The compact device for sterilization of medical instruments by means of low-temperature and atmospheric-pressure plasmas | |
| KR100414360B1 (en) | Sterilizer and Sterilization methode with Plasma Treatment Apparatus | |
| CN106693009A (en) | Barometric pressure flexible cold plasma jet endoscope sterilizing device and method | |
| KR101131607B1 (en) | LOW TEMPERATURE STERILIZER FOR CONTINUOUS PROCESSING USING ClO2 AND STERILIZING METHOD USING THE SAME | |
| JP2008525141A (en) | Device for sterilization with gaseous plasma formed from a mixture of nitrogen and hydrogen | |
| JP6704448B2 (en) | Sterilizer | |
| CN105726140B (en) | Tooth root canal disinfection device based on atmospheric pressure low temperature plasma | |
| KR101893657B1 (en) | Apparatus and application method of generating plasma reactive species for non-thermal sterilization in water | |
| US8012415B2 (en) | Sterilization method and plasma sterilization apparatus | |
| KR20130017701A (en) | Handpiece-type plasma apparatus for local sterilization and disinfection | |
| CN101254151B (en) | Multifunctional composite medical therapeutic equipment | |
| JP4119984B2 (en) | Low temperature plasma sterilization method and sterilization apparatus for long thin tubes | |
| KR101873106B1 (en) | Reactive species generator with non-thermal atmospheric pressure plasma | |
| CN103212097A (en) | Radio-frequency micro-plasma oral root canal disinfecting device | |
| CN102001630A (en) | Ultraviolet ozone generator | |
| CN116018882A (en) | Eye drop for treating epidemic keratoconjunctivitis, plasma active eye drop generating device for generating the same, and method for treating epidemic keratoconjunctivitis | |
| WO2007023547A1 (en) | Method of low-temperature dry sterilization and apparatus therefor | |
| CN113692100B (en) | Multi-section electrode plasma jet triggering method applied to endoscope inner wall disinfection | |
| CN110251703A (en) | The sterilizing methods of hydrogen peroxide low-temperature plasma sterilizer and application | |
| CN203866035U (en) | Ozone generator adopting nanometer ceramic as dielectric substance | |
| CN113003664B (en) | High-voltage pulse electric sterilization process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |