CN205142645U - Medical low temperature plasma fluidic device that can hand - Google Patents
Medical low temperature plasma fluidic device that can hand Download PDFInfo
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- CN205142645U CN205142645U CN201520921607.3U CN201520921607U CN205142645U CN 205142645 U CN205142645 U CN 205142645U CN 201520921607 U CN201520921607 U CN 201520921607U CN 205142645 U CN205142645 U CN 205142645U
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Abstract
The utility model discloses a medical low temperature plasma fluidic device that can hand, including high -voltage pulse power, metal collapsible tube and plasma spray gun, electrified gas parameter module of high -voltage pulse power and gas flow module, inside contains high -pressure wire and tracheal metal collapsible tube is drawn by the panel of high -voltage pulse power to link to each other with the plasma spray gun, the plasma spray gun surface of high -voltage pulse power shell, metal collapsible tube and metal material that conductive metal constitutes is all with the ground connection. The utility model discloses well gaseous when the plasma spray gun, under the effect of high voltage pulse, ionization becomes plasma and forms the efflux, the plasma spray gun can directly be handed to through the great home range of metal collapsible tube, be used for different medical occasions, for example the solidifying of the processing of the disinfection and isolation of skin, decayed tooth, blood, the healing of wound, dermopathic treatment and cancer therapy and so on.
Description
Technical field
The utility model belongs to sterilization and technical field of medical instruments, is specifically related to a kind of hand-holdable Medical low-temperature plasma jet device.
Background technology
Plasma is made up of cation, neutral particle and electronics usually.High-temperature plasma is not suitable for process sensitive kinds material due to high temperature, and low temperature plasma is partially ionized gas, with multiple physical chemistry effect, as light radiation, electromagnetic field, charged particle, high energy electron and electroneutral active particle etc.Embody various biological effect when low temperature plasma and cytosis, thus be applied in multiple field, comprise the sterilization of medicine equipment, clinical treatment, the purification of water/air, the process of food/packaging material etc.
Since 1960s, low temperature plasma is just studied for sterilization to the lethal effect of microbe.1990s, Johnson Co. develops commercial low pressure hydrogen peroxide plasma sterilizer, and is promoted rapidly in hospital, for the low temperature quick sterilization of some accurate medicine equipments and special material.
The generation of low pressure plasma, owing to needing vacuum system costly, limits its application.In recent years, the sterilizing effect of atmospheric low-temperature plasma jet and in other application medically, becomes the focus of research both at home and abroad.This kind of plasma reactor configurations is small and exquisite, easy to operate, and sterilization functions broad-spectrum high efficacy is quick, is used widely.By accurately controlling the characteristic of plasma, low-temperature plasma jet can directly act on human body skin and tissue, produce a new plasma medical technology, application direction comprises the treatment etc. of the sterilization of skin, the treatment of carious tooth, the quickly-healing of wound, the rapid solidification of blood, treating for skin disease, Apoptosis and cancer.
Traditional low-temperature plasma jet device, owing to limiting by internal structure, its to form the luminous efficiency of low temperature plasma general lower and spray penetration is also shorter, clinical practice exists some defects, time such as skin degerming, the long period is often needed to realize disinfecting in the mode of short range scanning back and forth.Therefore how to realize the safety of low-temperature plasma jet and efficiently occur, be the difficult point in research.
Summary of the invention
For the above-mentioned technical problem existing for prior art, the utility model provides a kind of hand-holdable Medical low-temperature plasma jet device, plasma jet can be made to realize occurring safely and efficiently, and spray penetration is also longer.
A kind of hand-holdable Medical low-temperature plasma jet device, comprise high-voltage pulse power source and plasma torch, described high-voltage pulse power source is connected with plasma torch by high-voltage conducting wires, and described plasma torch is by the external gas storage bottle of air hose;
Described plasma torch comprises metal shell, is connected to the shower nozzle bottom metal shell, the insulating core being located at metal shell inside and high-field electrode; Described shower nozzle one end connects with insulating core and inwardly has the enlarging of back taper, and the other end has through hole and this through hole is communicated with described enlarging;
Described high-field electrode runs through insulating core and one end extends in described through hole through enlarging, and the other end is connected with one end of high-voltage conducting wires, and the other end of high-voltage conducting wires is connected with the output of high-voltage pulse power source; Described air hose one end is connected with gas storage bottle, and the other end runs through in the enlarging of insulating core also described in importing;
The high-field electrode one end cover inserted in through hole has quartz ampoule, and described quartz ampoule one end is closed, other end opening and openend is arranged in insulating core.
Further, the surface of shell of described high-voltage pulse power source is provided with electric parameter module and gas flow module; Described electric parameter module is made up of some table meters about voltage, electric current, frequency, pulsewidth and power, and described gas flow module is made up of some table meters about gas flow and flow velocity.
Further, described plasma torch by air hose through the external gas storage bottle of gas flow module.
Further, the high-voltage conducting wires exposed between described high-voltage pulse power source and plasma torch and air hose adopt metal hose to wrap up jointly.
Further, the high-voltage conducting wires of described metal hose inside is with insulating barrier.
Further, the equal ground connection of housing of the metal shell of described plasma torch, metal hose and high-voltage pulse power source.
In the utility model fluidic device, gas is through plasma torch, under high voltage pulse effect, is ionized into plasma and forms jet, can be applicable to different medical treatment situations; Plasma torch can be directly hand-held, and the plasma jet of generation can directly touch.
Advantageous Effects of the present utility model is as follows:
1) high-field electrode of the present utility model is enclosed in quartz ampoule and insulating core, and electric risk is little.
2) although the utility model spray gun inside is the metal shell ground connection of thousands of volt high voltages, spray gun, can be directly hand-held, and plasma is tangible.
3) the utility model adopts metal hose to make device have larger scope of activities, also can change the length of metal hose as required, flexible operation.
4) due to the special tectonic of the utility model shower nozzle, the straight hole region high-field electrode of shower nozzle end and grounding electrode nearest, electric field strength is maximum, plasma is only produced in the straight hole of shower nozzle end then spray, therefore the efficiency that plasma jet occurs is higher, the spray penetration of plasma jet is also longer.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model fluidic device.
Fig. 2 is the surface structure schematic diagram of plasma torch.
Fig. 3 is the longitudinal profile structural representation of plasma torch.
Wherein: 1. high-voltage pulse power source, 2. gas flow module, 3. electric parameter module, 4. metal hose, 5. plasma torch, 6. shower nozzle, 7. metallic cylinder shell, 8. insulating core, 9. the joint of spray gun and metal hose, the 10. high-voltage conducting wires of tape insulation layer, 11. plastics gas flexible pipes, 12. quartz ampoules, 13. high-field electrodes.
Embodiment
In order to more specifically describe the utility model, below in conjunction with the drawings and the specific embodiments, the technical solution of the utility model is described in detail.
As shown in FIG. 1 to 3, the utility model fluidic device mainly comprises high-voltage pulse power source 1, metal hose 4 and plasma torch 5.The panel of high-voltage pulse power source 1 there are gas flow module 2 and electric parameter module 3, are connected with metal hose 4 in addition.High-voltage conducting wires 10 and the plastics gas flexible pipe 11 of tape insulation layer is wrapped in metal hose 4, high-voltage conducting wires 10 is connected with the high-field electrode 13 in the High voltage output in high-voltage pulse power source 1 and plasma torch 5, plastics gas flexible pipe 11 is connected with the gas flow module 2 in high-voltage pulse power source 1, and inserts in insulating core 8.Metal hose 4 is connected with the metallic cylinder shell 7 in plasma torch 5 by joint 9.There is columned insulating core 8 plasma torch 5 inside, and the axle center place of insulating core 8 inserts the quartz ampoule 12 closed one end, inserts high-field electrode 13 in quartz ampoule.There is gas passage in the edge of insulating core 8, and plastics gas flexible pipe 11 is inserted in wherein.In the cabinet of high-voltage pulse power source 1, small gas storage bottle can be installed, also can input gas by external gas storage bottle, the gas in storage bottle first by gas flow module 2 to reach certain flow and flow velocity, then to be transported in shower nozzle 6 through air hose 11.The end of shower nozzle 6 has circular straight hole, and the upper end of straight hole is conical taper.One end of quartz ampoule 12 opening is inserted into the middle part of insulating core 8, to strengthen the insulation property of high-field electrode 13, is closed by exposed high-field electrode as much as possible; One end that quartz ampoule 12 is closed extends in the circular straight hole of shower nozzle 6, high-field electrode 13 in the quartz ampoule of straight hole region is nearest with ground connection shower nozzle 6, gas is preferentially ionized into plasma in this region, and can eject the plasma jet of length number centimetre.
The utility model can obtain different effects based on different electric parameters, as pulse voltage, pulse current, pulse frequency, pulse duration, plasma power etc.; Also different effects is obtained by different gas parameters, such as gas flow, gas flow rate, gas component etc.Under different gas components and different plasma power conditions, the temperature obtaining plasma jet there are differences.In clinical treatment application, normal employing inert gas is as source of the gas, such as argon gas, helium, neon etc., or in inert gas, be aided with other gases a certain proportion of, the plasma jet of such generation is under normal temperature or room temperature, can human body be directly acted on, any discomfort sense can not be produced.The main application of this low-temperature plasma jet device comprises treatment of the sterilization of skin, the quickly-healing of wound, the rapid solidification of blood, treating for skin disease, Apoptosis and cancer etc.
The technical solution of the utility model and technique effect thereof is further illustrated below with specific embodiment.
Embodiment 1:
The output voltage of high-voltage pulse power source is 5kV, and pulsewidth is 2 μ s, and pulse frequency is 10kHz, and the flow of argon gas is 5L/min, and the plasma jet length obtained from spray gun is 3-5cm.Plasma jet is injected in agar plate center, the staphylococcus aureus density on flat board is 10
3cfu/cm
2, after plasma treatment 10s, observe after agar plate incubated overnight, plate center forms obvious circular sterilization spot.
Embodiment 2:
The output voltage of high-voltage pulse power source is 5kV, and pulsewidth is 2 μ s, and pulse frequency is 20kHz, and the flow of argon gas is 5L/min, and the plasma jet length obtained from spray gun is 3-5cm.The density of plasma jet process pig skin surfaces is utilized to be 10
3cfu/cm
2staphylococcus aureus, after plasma treatment 10s, the sterilization rate of pig skin surfaces reaches 100%, and in processing procedure, pigskin is in room temperature all the time.
Embodiment 3:
The output voltage of high-voltage pulse power source is 6kV, and pulsewidth is 5 μ s, and pulse frequency is 15kHz, and the flow of helium is 5L/min, and the plasma jet length obtained from spray gun is 3-5cm.After utilizing plasma jet processing blood 5s, blood rapid solidification.
Embodiment 4:
The output voltage of high-voltage pulse power source is 8kV, and pulsewidth is 1 μ s, and pulse frequency is 30kHz, and the flow of argon gas is 10L/min, and the plasma jet length obtained from spray gun is 5-10cm.After utilizing the MC 20s outside plasma jet handling body, MC generation apoptosis.
Embodiment 5:
The output voltage of high-voltage pulse power source is 10kV, and pulsewidth is 1 μ s, and pulse frequency is 20kHz, and the flow of argon gas is 5L/min, and the plasma jet length obtained from spray gun is 3-5cm.After utilizing the SF 20s outside plasma jet handling body, there is differentiation fast in cell.
Above-mentioned is can understand for ease of those skilled in the art and apply the utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to above-described embodiment, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art are according to announcement of the present utility model, and the improvement made for the utility model and amendment all should within protection ranges of the present utility model.
Claims (6)
1. a hand-holdable Medical low-temperature plasma jet device, it is characterized in that: comprise high-voltage pulse power source and plasma torch, described high-voltage pulse power source is connected with plasma torch by high-voltage conducting wires, and described plasma torch is by the external gas storage bottle of air hose;
Described plasma torch comprises metal shell, is connected to the shower nozzle bottom metal shell, the insulating core being located at metal shell inside and high-field electrode; Described shower nozzle one end connects with insulating core and inwardly has the enlarging of back taper, and the other end has through hole and this through hole is communicated with described enlarging;
Described high-field electrode runs through insulating core and one end extends in described through hole through enlarging, and the other end is connected with one end of high-voltage conducting wires, and the other end of high-voltage conducting wires is connected with the output of high-voltage pulse power source; Described air hose one end is connected with gas storage bottle, and the other end runs through in the enlarging of insulating core also described in importing;
The high-field electrode one end cover inserted in through hole has quartz ampoule, and described quartz ampoule one end is closed, other end opening and openend is arranged in insulating core.
2. fluidic device according to claim 1, is characterized in that: the surface of shell of described high-voltage pulse power source is provided with electric parameter module and gas flow module; Described electric parameter module is made up of some table meters about voltage, electric current, frequency, pulsewidth and power, and described gas flow module is made up of some table meters about gas flow and flow velocity.
3. fluidic device according to claim 2, is characterized in that: described plasma torch by air hose through the external gas storage bottle of gas flow module.
4. fluidic device according to claim 3, is characterized in that: the high-voltage conducting wires exposed between described high-voltage pulse power source and plasma torch and air hose adopt metal hose to wrap up jointly.
5. fluidic device according to claim 4, is characterized in that: the high-voltage conducting wires of described metal hose inside is with insulating barrier.
6. fluidic device according to claim 4, is characterized in that: the equal ground connection of housing of the metal shell of described plasma torch, metal hose and high-voltage pulse power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921607.3U CN205142645U (en) | 2015-11-18 | 2015-11-18 | Medical low temperature plasma fluidic device that can hand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921607.3U CN205142645U (en) | 2015-11-18 | 2015-11-18 | Medical low temperature plasma fluidic device that can hand |
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| CN205142645U true CN205142645U (en) | 2016-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333376A (en) * | 2017-04-21 | 2017-11-07 | 南京航空航天大学 | A kind of atomic plasma jet generating device of atmospheric pressure |
| CN107320847A (en) * | 2017-06-21 | 2017-11-07 | 江苏康易达医疗科技有限公司 | A kind of Low-temperature Plasma Sterilization pen |
| CN108652966A (en) * | 2018-05-25 | 2018-10-16 | 成都普璐生医疗科技有限公司 | A kind of cold-plasma jet acupuncture and moxibustion device |
| CN112004303A (en) * | 2020-08-24 | 2020-11-27 | 深圳市昊擎科技有限公司 | Intelligent plasma equipment and control method thereof |
-
2015
- 2015-11-18 CN CN201520921607.3U patent/CN205142645U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333376A (en) * | 2017-04-21 | 2017-11-07 | 南京航空航天大学 | A kind of atomic plasma jet generating device of atmospheric pressure |
| CN107320847A (en) * | 2017-06-21 | 2017-11-07 | 江苏康易达医疗科技有限公司 | A kind of Low-temperature Plasma Sterilization pen |
| CN107320847B (en) * | 2017-06-21 | 2020-08-07 | 江苏春申堂药业有限公司 | Low-temperature plasma sterilization pen |
| CN108652966A (en) * | 2018-05-25 | 2018-10-16 | 成都普璐生医疗科技有限公司 | A kind of cold-plasma jet acupuncture and moxibustion device |
| CN108652966B (en) * | 2018-05-25 | 2024-02-23 | 成都普璐生医疗科技有限公司 | Cold plasma jet acupuncture device |
| CN112004303A (en) * | 2020-08-24 | 2020-11-27 | 深圳市昊擎科技有限公司 | Intelligent plasma equipment and control method thereof |
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