CN203761669U - Atmospheric pressure cold plasma generator capable of being used for wound healing - Google Patents
Atmospheric pressure cold plasma generator capable of being used for wound healing Download PDFInfo
- Publication number
- CN203761669U CN203761669U CN201420030679.4U CN201420030679U CN203761669U CN 203761669 U CN203761669 U CN 203761669U CN 201420030679 U CN201420030679 U CN 201420030679U CN 203761669 U CN203761669 U CN 203761669U
- Authority
- CN
- China
- Prior art keywords
- cylinder cap
- stainless steel
- wound healing
- steel cylinder
- field electrode
- 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.)
- Expired - Lifetime
Links
- 230000029663 wound healing Effects 0.000 title claims abstract description 14
- 230000005495 cold plasma Effects 0.000 title claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 20
- 239000010935 stainless steel Substances 0.000 claims abstract description 20
- 239000010453 quartz Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 239000012212 insulator Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 239000007789 gas Substances 0.000 abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract 6
- 239000000470 constituent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 210000002381 plasma Anatomy 0.000 description 35
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Plasma Technology (AREA)
Abstract
The utility model discloses a plasma generator capable of being used for wound healing, which comprises a grounded stainless steel cylinder cap. A layer of insulation medium is tightly attached to the inner wall of the cylinder cap, the top part is opened, and the bottom part is provided with a cylindrical insulation base. A high-voltage electrode sleeved with a quartz medium tube is arranged inside the stainless steel cylinder cap through the center of the insulation base, the front end of the high-voltage electrode serves as the discharge end, and the rear end is connected with a high-voltage power supply. The rear end of the high-voltage electrode is connected with the insulation base for mounting an adjustable device and is connected with the insulation base for mounting an insulation dielectric shell. One side of the stainless steel cylinder cap is provided with a working gas inlet channel. Two ends of the quartz medium tube are opened. The adjustable device is used for adjusting the discharge distance between the high-voltage electrode and the cylinder cap ground electrode. According to the atmospheric pressure cold plasma generator capable of being used for wound healing, manufacturing is easy, the use is simple, convenient and safe, the range of discharge gases is wide, problems of air and nitrogen discharge can be solved, the plasma temperature is low, the particle density is high, the device has many active constituents and can be used for wound healing, and the application range of atmospheric pressure plasma is further expanded.
Description
Technical field
The utility model belongs to normal pressure cold plasma generating means, is specifically related to a kind of atmos low-temperature plasma generating means that can be used for wound healing.
Background technology
Normal-pressure non-equilibrium plasma is because it does not need vacuum system, and its plasma space enrichment ion, electronics, excited atom, molecule and free radical etc. are all active reactive species, these active particle quantity are large, kind is many, activity is strong, are easy to react with contacted material surface.Therefore normal-pressure non-equilibrium plasma is in the very large application prospect that has of the aspects such as the surface treatment of space flight, environment, biologic medical, material, food sterilization, waste water treatment.
In prior art, atmospheric plasma, by the relation of plasma temperature and electron temperature, mainly contains normal pressure equilibrium plasma and normal-pressure non-equilibrium plasma.These two kinds of atmospheric plasmas, due to the difference of plasma characteristics, have different application.Normal pressure equilibrium plasma often refers to the hot plasma of plasma temperature more than several thousand Kelvins, the fields such as this class plasma has that high temperature, highdensity characteristic are often used to that plasma material is synthetic, plasma spray coating and metal melting welding.And normal-pressure non-equilibrium plasma is because plasma temperature is much smaller than electron temperature, make plasma in keeping abundant active particle composition, plasma temperature only has hundreds of Kelvin.This nonequilibrium behavior is usually used in processing and the biomedical application of non-high-temperature resistant surfacing.
Conventional normal-pressure non-equilibrium plasma adopts dielectric barrier discharge form and working gas mostly to be inert working gas as argon gas and helium generation more.And these working gas price general charged costlinesses, so adopt comparatively cheap nitrogen, oxygen, air also just to become and have more practical significance as working gas.
Utility model content
The utility model provides a kind of normal-pressure non-equilibrium cold plasma generating means that can be used for wound healing, can adopt inert gas as helium, argon gas and oxygen-doped gas thereof, can be also that lower-cost nitrogen (nitrogen is oxygen-doped), oxygen and air etc. are as working gas.
For achieving the above object, the utility model is taked following technical scheme:
A kind of normal pressure cold plasma generating means that can be used for wound healing, comprise the stainless steel cylinder cap of ground connection, this cap inwall is close to the dielectric of one deck polytetrafluoro material, open top, bottom is provided with cylindrical insulator foot, cover has the high-field electrode of quartz medium pipe to be placed in stainless steel cylinder cap by cylindrical insulator foot center, high-field electrode front end is as discharge end, be in stainless steel cylinder cap top area, rear end is connected with high voltage source, connecting insulator foot in high-field electrode rear end tunable arrangement is being installed, described tunable arrangement is equipped with forming of scale with scale by insulative cylinders piece and side, and connecting insulator foot and installing the dielectric shell of polytetrafluoro material, described stainless steel cylinder cap one side has working gas inlet channel, described quartz medium pipe open at both ends, makes to stop without dielectric layer between described high-field electrode discharge end and the open top of stainless steel cylinder cap, regulates the discharging distance between high-field electrode and cylinder cap ground electrode by described tunable arrangement.
The shape of the discharge end of described high-field electrode can be plane structure or cone-shaped structure.
Described high-field electrode material can be the conductive corrosion-resistant material such as copper, tungsten.
Described high voltage source can be AC power or DC power supply, and its inside has current-limiting function, to ensure the low-temperature characteristics of atmospheric plasma generating means.
Described high-voltage ac power output voltage is adjustable from 0-25KV, and output frequency is adjustable from 10kHz to 50kHz.
Under fixing described high voltage source output voltage, frequency and fixed air flow condition, by regulating discharging distance, can change length and temperature occur.
Under fixing discharging distance and fixed air flow condition, by regulating described high voltage source output voltage and frequency, can change length and temperature occur.
Under fixing described high voltage source output voltage, frequency and fixing discharging distance condition, by changing gas flow, can change length and temperature occur.
Described high-field electrode discharge end acts on working gas can produce the nitrogen oxide that can promote fast in a large number wound healing, active oxygen isoreactivity particle composition.
The utlity model has following remarkable advantage:
(1), owing to producing plasma under condition of normal pressure, without expensive vacuum equipment, convenience simple in structure, be easy to make, cost is low.
(2), because high-field electrode is as in stainless steel cylinder, have dielectric and ground protection outward, safe and reliable, can contact.
(3), between electrode without dielectric barrier, power supply has current-limiting function, plasma active particle density is high, has low-temperature characteristics simultaneously.
(4), by regulate discharging distance regulate plasma discharge intensity, can change plasma temperature and active particle density, can be used for different applications as plasma medical science and surface clean etc., expanded range of application
(5), can adopt nitrogen (nitrogen is oxygen-doped), oxygen, air can greatly reduce costs as working gas.
Brief description of the drawings
Fig. 1 is the utility model (plane-shaped electrode) structural representation.
Fig. 2 is the utility model (coniform electrode) structural representation.
Embodiment
As Fig. 1, shown in 2, a kind of normal pressure cold plasma generating means that can be used for wound healing, comprise the stainless steel cylinder cap 5 of ground connection, this cap inwall is close to the dielectric of one deck polytetrafluoro material, open top, bottom is provided with cylindrical insulator foot 9, cover has the high-field electrode 4 of quartz medium pipe 3 to be placed in stainless steel cylinder cap 5 through cylindrical insulator foot center, high-field electrode front end is as discharge end, be in stainless steel cylinder cap top area 6, rear end is connected with high voltage source 1, connecting insulator foot in high-field electrode rear end tunable arrangement is being installed, described tunable arrangement is equipped with forming of scale 10 with scale by insulative cylinders piece and side, and connecting insulator foot and installing the dielectric shell 11 of polytetrafluoro material, described stainless steel cylinder cap one side has working gas inlet channel 2, inlet channel connects gas cylinder by flowmeter, described quartz medium pipe open at both ends, make to stop without dielectric layer between described high-field electrode discharge end and the open top of stainless steel cylinder cap, form plasma reaction district 7, high-field electrode 4 discharge ends are plane or coniform, regulate the discharging distance between high-field electrode and cylinder cap ground electrode by described tunable arrangement, and then the strength of discharge in change plasma reaction district 7, and under the guiding function of air-flow, blow out stainless steel cylinder formation plasma 8.
High-field electrode 4 materials can be the conductive corrosion-resistant materials such as copper, tungsten, high voltage source 1 can be DC power supply or AC power, by the working gas of inlet channel 2 can be both inert gas as helium, argon gas and oxygen-doped gas thereof, can be also the gases such as more cheap nitrogen (nitrogen is oxygen-doped), oxygen and air.
Change power supply 1 output voltage, frequency, discharging distance and the throughput that enters inlet channel 2 can change length and the plasma temperature of plasma 8.Taking nitrogen electric discharge as example, fixing output voltage is 6 kV, frequency 32 kHz, and throughput 20 L/min, by regulating discharging distance (2-6 mm), can realize plasma 8 length from 2-3 cm, and temperature is from the variation of 300-330K.
Taking nitrogen electric discharge as example, fixing discharging distance 4 mm, output frequency 32 kHz, throughput 20 L/min, can realize plasma 8 length 2.5-3.5 cm, the variation of temperature 300-400K by changing output voltage (6KV-9KV).
Taking nitrogen electric discharge as example, fixing discharging distance 4 mm, output voltage 6 kV, frequency 32 kHz, change throughput (5-40 L/min) and can realize plasma 8 length 2-6 cm, the variation of temperature 300-450K.
Taking nitrogen electric discharge as example, be 6 kV at output voltage, frequency 32 kHz, throughput 20 L/min, under discharging distance 4 mm rigid conditions, under the condition of occurrence temperature 300K left and right, can be in 5 min will be coated on Pseudomonas aeruginosa on agar plate from 10
6cFU kills completely.
Claims (4)
1. one kind can be used for the normal pressure cold plasma generating means of wound healing, comprise the stainless steel cylinder cap of ground connection, this cap inwall is close to the dielectric of one deck polytetrafluoro material, open top, bottom is provided with cylindrical insulator foot, cover has the high-field electrode of quartz medium pipe to be placed in stainless steel cylinder cap by cylindrical insulator foot center, high-field electrode front end is as discharge end, be in stainless steel cylinder cap top area, rear end is connected with high voltage source, connecting insulator foot in high-field electrode rear end tunable arrangement is being installed, described tunable arrangement is equipped with forming of scale with scale by insulative cylinders piece and side, and connecting insulator foot and installing the dielectric shell of polytetrafluoro material, it is characterized in that: described stainless steel cylinder cap one side has working gas inlet channel, described quartz medium pipe open at both ends, makes to stop without dielectric layer between described high-field electrode discharge end and the open top of stainless steel cylinder cap, regulates the discharging distance between high-field electrode and cylinder cap ground electrode by described tunable arrangement.
2. according to the normal pressure cold plasma generating means that can be used for wound healing claimed in claim 1, it is characterized in that: the discharge end of described high-field electrode be shaped as plane structure or cone-shaped structure.
3. according to the normal pressure cold plasma generating means that can be used for wound healing claimed in claim 1, it is characterized in that: described high-field electrode material is copper, tungsten conductive corrosion-resistant material.
4. according to the normal pressure cold plasma generating means that can be used for wound healing claimed in claim 1, it is characterized in that: described high voltage source is AC power or DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030679.4U CN203761669U (en) | 2014-01-16 | 2014-01-16 | Atmospheric pressure cold plasma generator capable of being used for wound healing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030679.4U CN203761669U (en) | 2014-01-16 | 2014-01-16 | Atmospheric pressure cold plasma generator capable of being used for wound healing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761669U true CN203761669U (en) | 2014-08-06 |
Family
ID=51256896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420030679.4U Expired - Lifetime CN203761669U (en) | 2014-01-16 | 2014-01-16 | Atmospheric pressure cold plasma generator capable of being used for wound healing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761669U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781271A (en) * | 2014-01-16 | 2014-05-07 | 中国科学院等离子体物理研究所 | Atmospheric pressure cold plasma generating device for wound healing |
| CN105338723A (en) * | 2015-10-09 | 2016-02-17 | 苏州大学 | DBD plasma discharge device driven by high-voltage high-frequency source |
| CN106730356A (en) * | 2017-01-18 | 2017-05-31 | 武汉中科科理光电技术有限公司 | A kind of multifunctional low-temperature plasma-based treatment system |
| CN107182165A (en) * | 2017-06-20 | 2017-09-19 | 华中科技大学 | A kind of plasma emission device based on hot cathode |
| CN107582375A (en) * | 2017-09-30 | 2018-01-16 | 武汉资联虹康科技股份有限公司 | A kind of ear-clip electrodes with fiber optic conduction |
| CN113573454A (en) * | 2021-08-05 | 2021-10-29 | 富时精工(南京)有限公司 | Plasma jet device with variable magnetic field constraint and method thereof |
| CN117137616A (en) * | 2023-10-25 | 2023-12-01 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
-
2014
- 2014-01-16 CN CN201420030679.4U patent/CN203761669U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781271A (en) * | 2014-01-16 | 2014-05-07 | 中国科学院等离子体物理研究所 | Atmospheric pressure cold plasma generating device for wound healing |
| CN105338723A (en) * | 2015-10-09 | 2016-02-17 | 苏州大学 | DBD plasma discharge device driven by high-voltage high-frequency source |
| CN106730356A (en) * | 2017-01-18 | 2017-05-31 | 武汉中科科理光电技术有限公司 | A kind of multifunctional low-temperature plasma-based treatment system |
| CN107182165A (en) * | 2017-06-20 | 2017-09-19 | 华中科技大学 | A kind of plasma emission device based on hot cathode |
| CN107582375A (en) * | 2017-09-30 | 2018-01-16 | 武汉资联虹康科技股份有限公司 | A kind of ear-clip electrodes with fiber optic conduction |
| CN113573454A (en) * | 2021-08-05 | 2021-10-29 | 富时精工(南京)有限公司 | Plasma jet device with variable magnetic field constraint and method thereof |
| CN117137616A (en) * | 2023-10-25 | 2023-12-01 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
| CN117137616B (en) * | 2023-10-25 | 2024-01-16 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |