CN103418086B - Wound treatment device utilizing high voltage to generate plasma - Google Patents
Wound treatment device utilizing high voltage to generate plasma Download PDFInfo
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- CN103418086B CN103418086B CN201310350536.1A CN201310350536A CN103418086B CN 103418086 B CN103418086 B CN 103418086B CN 201310350536 A CN201310350536 A CN 201310350536A CN 103418086 B CN103418086 B CN 103418086B
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- 206010052428 Wound Diseases 0.000 title claims abstract description 25
- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims description 58
- 238000004146 energy storage Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 15
- 230000002459 sustained effect Effects 0.000 claims description 9
- 230000035807 sensation Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 206010048038 Wound infection Diseases 0.000 abstract description 3
- 230000003115 biocidal effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- -1 hydroxyl free radical Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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Abstract
The invention discloses a wound treatment device utilizing high voltage to generate plasma. A cut-through cavity is formed axially in an insulating shell, a boss is arranged in the cavity of the insulating shell, a cone-shaped cavity is arranged on the side of the boss close to a spout of the insulating shell, vent holes are formed at boss shoulder portion of the boss, an insulating fixing plate is arranged at the boss of the cavity of the insulating shell, a rear back cover is fixed at the end of the insulating shell far away from the spout, an outer cover is fixed on the rear back cover, and seven rodlike metal electrodes are arranged axially in the cavity of the insulating shell; storage batteries are connected with high voltage power, an air pump and a cooling fan in a main engine respectively, a miliampere ammeter is connected with the high voltage power, and a gas flowmeter is connected with the air pump. With the wound treatment device, wound infection probability particularly during large-size wound operations is decreased, both antibiotic usage amount and side effect of patients are reduced, and wound union speed is fastened; dielectric barrier discharge and decrease of discharge voltage are not needed, extra water container is not needed either, and the structure is simple and reliable.
Description
Technical field
The present invention relates to a kind of wound treatment device, especially relate to a kind of wound treatment device utilizing high voltage to produce plasma.
Background technology
In the middle of life, have the situation of injuring unexpectedly unavoidably and occur, such as knife wound, scratch etc.For resistance comparatively under teenager and the elderly, if wound processes not in time, especially wound very large very dark time, the very first time deals with more difficult, infects possibly.External research shows, low temperature normal atmosphere plasma is at the situation (<1Jcm of doses
-2) under can kill bacteria and do not injure the histocyte of animal and human's body, and have certain wound to recover and hemoglutination.Such plasma is performed the operation at extensive wound, and the situations such as severe trauma can well be applied.
A lot of document all proves hydroxide ion in plasma, hydrogen ion is the most effective sterilization ion.Patent CN101156955A discloses a kind of non-equilibrium plasma type spray disinfection sanitizer generating apparatus, wherein allows electric arc and water smoke react and produces containing hydrogen peroxide, ozone, hydroxyl free radical, oxygen radical, hydroxide ion and hydrogen ion.These compositions and water smoke mix and water smoke can be allowed to produce disinfection effect; Patent CN101623506A discloses a kind of jet plasma chlorination equipment, and air flows through the discharge space be made up of two-plate and insulator and forms dielectric barrier discharge, produces plasma flow and carries out sterilizing to medicine equipment.
The technology such as above-mentioned patent exist complex structure needs extra water storage device, and dielectric barrier discharge needs higher discharge voltage to be unfavorable for safety operation, and higher to insulating requirements.
Summary of the invention
Depositing problem how to solve in background technology, the object of the present invention is to provide a kind of wound treatment device utilizing high voltage to produce plasma, being intended to avoid wound infection, accelerating hemostasis and wound healing.
The technical solution adopted in the present invention is:
Comprise plasma torch and main frame;
Plasma torch: comprise seven bar-shaped metal electrodes, insulation fixed disk, insulation crust, rear end cap and enclosing cover, insulation crust axially has through inner chamber, insulation crust inner chamber is provided with boss, the boss place of insulation crust inner chamber is provided with insulation fixed disk, boss is conical cavity near the side of insulation crust spout, the diameter of conical cavity near insulation crust spout side is less than the diameter of conical cavity away from insulation crust spout side, the shoulder of boss has 8-14 air vent hole, rear end cap is fixed on insulation crust away from one end of spout, enclosing cover is fixed on rear end cap, insulation crust lumen shaft is to seven bar-shaped metal electrodes are housed, one end of a bar-shaped metal electrode to be fixed in the hole at insulation fixed disk center and to be connected with one end of high-tension cable, one end of the bar-shaped metal electrode of all the other six roots of sensation is separately fixed at insulation fixed disk along in equidistantly uniform six holes of same circumference and by high-tension cable ground connection, the other end of seven bar-shaped metal electrodes is all near nozzle,
Main frame: comprise air pump, milliampere ammeter, gas flowmeter, radiator fan, high voltage source and storage battery; Storage battery is connected with radiator fan with the high voltage source in main frame, air pump respectively, and milliampere ammeter is connected with high voltage source, and gas flowmeter is connected with air pump;
The other end of the high-tension cable be connected with the bar-shaped metal electrode being fixed on the fixed disk centre bore that insulate is connected with the high voltage source of main frame through after rear end cap, enclosing cover successively, one end of air hose extend in the air chamber formed between enclosing cover and rear end cap, high-tension cable, air hose are all tightly connected with enclosing cover, and the other end of air hose is connected with the air pump of main frame.
Seven described bar-shaped metal electrodes are fixed on insulation fixed disk by screw thread, and insulation fixed disk is fixed on the boss place of insulation crust by screw thread, rear end cap is fixed on insulation crust by hexagon socket head cap screw.
Described high voltage source comprises DC transfer circuit, rectification circuit, circuits for triggering, energy storage circuit and transformer boost circuit; Storage battery is connected with transformer boost circuit after DC transfer circuit, rectification circuit, energy storage circuit, and circuits for triggering are connected with energy storage circuit and DC transfer circuit respectively.
Described DC transfer circuit, comprises bipolar transistor Q1, bipolar transistor Q3 and closed magnet ring pulse transformer T5; Bipolar transistor Q1 is connected with the positive pole of storage battery with the emitter of bipolar transistor Q3, bipolar transistor Q1 is connected with primary coil L1 and the L2 of closed magnet ring pulse transformer T5 respectively with the collector electrode of bipolar transistor Q3, bipolar transistor Q1 is connected with secondary coil L4 with L5 of closed magnet ring pulse transformer T5 respectively with the base stage of bipolar transistor Q3, the non-same polarity of secondary coil L4 with L5 of closed magnet ring pulse transformer T5 is connected with one end of switch S 1, the negative pole of electric capacity C2 respectively successively after resistance R2, and the other end of switch S 1 is connected with the negative pole of storage battery;
Described rectification circuit: comprise rectifier bridge D3 and electric capacity C2; Secondary coil L3 and the electric capacity C2 of rectifier bridge D3, closed magnet ring pulse transformer T5 form bridge rectifier;
Described energy storage circuit: comprise unidirectional thyristor Q2, electric capacity C1 and resistance R1; The positive pole of electric capacity C2 is in parallel with unidirectional thyristor Q2, sustained diode 2 respectively after diode D1, resistance R1 successively, the positive pole of diode D1 is connected with the positive pole of electric capacity C2, the negative pole of diode D1 is connected with resistance R1, and the negative pole of sustained diode 2 is connected with the positive pole of electric capacity C1;
Described transformer boost circuit: comprise three closed magnet ring pulse transformer T2 ~ T4 and voltage regulating transformer T1, sustained diode 2 primary coil of closed magnet ring pulse transformer T2 ~ T4 with three respectively after connecting with electric capacity C1, the parallel connection of primary windings of a voltage regulating transformer T1, voltage regulating transformer T1, closed magnet ring pulse transformer T2, closed magnet ring pulse transformer T3 connects successively with the secondary coil of closed magnet ring pulse transformer T4, the other end of the high-tension cable be connected with the bar-shaped metal electrode being fixed on the fixed disk centre bore that insulate is connected with the Same Name of Ends of the secondary coil of closed magnet ring pulse transformer T4 after milliampere ammeter, the non-same polarity of the secondary coil of voltage regulating transformer T1 is connected with one end of switch S 1,
Described circuits for triggering: comprise single-chip microcomputer U1, single channel reverser U2, optocoupler U3, resistance R3, resistance R4 and electric capacity C3; 1 pin of single-chip microcomputer U1 is connected with the negative pole of optocoupler U3 photophore through single channel reverser U2, the 2 pin ground connection of single-chip microcomputer U1, ground connection after the 7 foot meridian capacitor C3 of single-chip microcomputer U1,4 pin of single-chip microcomputer U1 are through variable resistor R5 ground connection, the positive pole of optocoupler U3 photophore is connected with 5V power supply through resistance R3, the positive pole of optocoupler U3 light-receiving device is connected with supply voltage, and negative pole ground connection after resistance R4 of optocoupler U3 light-receiving device, the negative pole of optocoupler U3 light-receiving device is connected with the gate pole of unidirectional thyristor Q2.
The model of described single-chip microcomputer U1 is ATtiny5.
The model of described single channel reverser U2 is SN74AHCT1G04.
The beneficial effect that the present invention has is:
Apparatus of the present invention can accomplish the probability reducing wound infection, and when doing extensive wound operation, reduce the antibiotic use amount of patient and also reduce its side effect simultaneously, Post operation accelerates the healing rate of wound.Fill up the domestic blank in application plasma treatment wound field.
The present invention does not need dielectric barrier discharge, reduces the discharge voltage needed, does not also need extra water storage device, and structure is comparatively simple and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the amplification view of plasma torch.
Fig. 3 is the axial cutaway view of plasma torch
Fig. 4 is the cutaway view of insulation crust
Fig. 5 is the structural representation of main frame
Fig. 6 is the basic circuit theory diagram of high voltage source.
Fig. 7 is the circuit diagram of high voltage source.
Fig. 8 is enforcement schematic diagram of the present invention.
In figure: 1, plasma torch, 2, arm, 3, main frame, 4, wound, 11, bar-shaped metal electrode, 12, insulation fixed disk, 13, insulation crust, 14, rear end cap, 15, enclosing cover, 16, air vent hole, 31, air pump, 32, milliampere ammeter, 33, gas flowmeter, 34, radiator fan, 35, high voltage source, 36, storage battery.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, apparatus of the present invention comprise plasma torch 1 and main frame 3;
As shown in Figure 2 to 4, plasma torch 1: comprise seven bar-shaped metal electrodes 11, insulation fixed disk 12, insulation crust 13, rear end cap 14 and enclosing cover 15, insulation crust 13 axially has through inner chamber, insulation crust 13 one end is spout, the other end is rear end, insulation crust 13 inner chamber is provided with boss, the boss place of insulation crust 13 inner chamber is provided with insulation fixed disk 12, boss is conical cavity near the side of insulation crust 13 spout, the diameter of conical cavity near insulation crust 13 spout side is less than the diameter of conical cavity away from insulation crust 13 spout side, conical cavity conical surface extended line is through the mid point of bar-shaped metal electrode 11 axial length, the shoulder of boss has 8-14 air vent hole 16, rear end cap 14 is fixed on insulation crust 13 away from one end of spout, enclosing cover 15 is fixed on rear end cap 14, insulation crust 13 lumen shaft is to seven bar-shaped metal electrodes 11 are housed, one end of a bar-shaped metal electrode to be fixed in the hole at insulation fixed disk 12 center and to be connected with one end of high-tension cable, one end of the bar-shaped metal electrode of all the other six roots of sensation is separately fixed at insulation fixed disk 12 along in equidistantly uniform six holes of same circumference and by high-tension cable ground connection, the other end of seven bar-shaped metal electrodes 11 is all near nozzle,
As shown in Figure 5, main frame 3: comprise air pump 31, milliampere ammeter 32, gas flowmeter 33, radiator fan 34, high voltage source 35 and storage battery 36, storage battery 36 is connected with radiator fan 34 with the high voltage source 35 in main frame 3, air pump 31 respectively, milliampere ammeter 32 is connected with high voltage source 35, and gas flowmeter 33 is connected with air pump 31;
Be connected with the high voltage source 35 of main frame 3 through after rear end cap 14, enclosing cover 15 successively with the other end being fixed on the high-tension cable that the bar-shaped metal electrode that insulate fixed disk 12 centre bore is connected, one end of air hose extend in the air chamber formed between enclosing cover 15 and rear end cap 14, high-tension cable, air hose are all tightly connected with enclosing cover 15, and the other end of air hose is connected with the air pump 31 of main frame 3.
Described seven bar-shaped metal electrodes 11 to be fixed on insulation fixed disk 12 by screw thread, and insulation fixed disk 12 is fixed on the boss place of insulation crust 13 by screw thread, rear end cap 14 is fixed on insulation crust 13 by hexagon socket head cap screw.
As shown in Figure 6, described high voltage source 35 comprises DC transfer circuit, rectification circuit, circuits for triggering, energy storage circuit and transformer boost circuit; Storage battery 36 is connected with transformer boost circuit after DC transfer circuit, rectification circuit, energy storage circuit, and circuits for triggering are connected with energy storage circuit and DC transfer circuit respectively.
As shown in Figure 7, described DC transfer circuit, comprises bipolar transistor Q1, bipolar transistor Q3 and closed magnet ring pulse transformer T5, bipolar transistor Q1 is connected with the positive pole of storage battery 36 with the emitter of bipolar transistor Q3, bipolar transistor Q1 is connected with primary coil L1 and the L2 of closed magnet ring pulse transformer T5 respectively with the collector electrode of bipolar transistor Q3, bipolar transistor Q1 is connected with secondary coil L4 with L5 of closed magnet ring pulse transformer T5 respectively with the base stage of bipolar transistor Q3, the non-same polarity of secondary coil L4 and L5 of closed magnet ring pulse transformer T5 successively after resistance R2 respectively with one end of switch S 1, the negative pole of electric capacity C2 is connected, the other end of switch S 1 is connected with the negative pole of storage battery 36,
As shown in Figure 7, described rectification circuit: comprise rectifier bridge D3 and electric capacity C2; Secondary coil L3 and the electric capacity C2 of rectifier bridge D3, closed magnet ring pulse transformer T5 form bridge rectifier;
As shown in Figure 7, described energy storage circuit: comprise unidirectional thyristor Q2, electric capacity C1 and resistance R1; The positive pole of electric capacity C2 is in parallel with unidirectional thyristor Q2, sustained diode 2 respectively after diode D1, resistance R1 successively, the positive pole of diode D1 is connected with the positive pole of electric capacity C2, the negative pole of diode D1 is connected with resistance R1, and the negative pole of sustained diode 2 is connected with the positive pole of electric capacity C1;
As shown in Figure 7, described transformer boost circuit: comprise three closed magnet ring pulse transformer T2 ~ T4 and voltage regulating transformer T1, sustained diode 2 primary coil of closed magnet ring pulse transformer T2 ~ T4 with three respectively after connecting with electric capacity C1, the parallel connection of primary windings of a voltage regulating transformer T1, voltage regulating transformer T1, closed magnet ring pulse transformer T2, closed magnet ring pulse transformer T3 connects successively with the secondary coil of closed magnet ring pulse transformer T4, be connected with the Same Name of Ends of the secondary coil of closed magnet ring pulse transformer T4 after milliampere ammeter 32 with the other end being fixed on the high-tension cable that the bar-shaped metal electrode that insulate fixed disk 12 centre bore is connected, the non-same polarity of the secondary coil of voltage regulating transformer T1 is connected with one end of switch S 1,
As shown in Figure 7, described circuits for triggering: comprise single-chip microcomputer U1, single channel reverser U2, optocoupler U3, resistance R3, resistance R4 and electric capacity C3; 1 pin of single-chip microcomputer U1 is connected with the negative pole of optocoupler U3 photophore through single channel reverser U2, the 2 pin ground connection of single-chip microcomputer U1, ground connection after the 7 foot meridian capacitor C3 of single-chip microcomputer U1,4 pin of single-chip microcomputer U1 are through variable resistor R5 ground connection, the positive pole of optocoupler U3 photophore is connected with 5V power supply through resistance R3, the positive pole of optocoupler U3 light-receiving device is connected with supply voltage, and negative pole ground connection after resistance R4 of optocoupler U3 light-receiving device, the negative pole of optocoupler U3 light-receiving device is connected with the gate pole of unidirectional thyristor Q2.
The model of described single-chip microcomputer U1 is ATtiny5.
The model of described single channel reverser U2 is SN74AHCT1G04.
Bar-shaped metal electrode 11 is threaded, and this screw thread can produce severe non-uniform electric field, thus produces corona, is conducive to the generation of charged ion.Rear end cap 14 has aperture and macropore, air hose and high-tension cable sealing is allowed to pass through respectively, 8-14 aperture is set and provides passage for air enters in insulation crust 13, seven macropores can be conveyed seven high-tension cables that seven bar-shaped metal electrodes 11 connect and be passed through, the peripheral six roots of sensation bar-shaped metal electrode 11 ground connection, middle one is connected with the output of the high voltage source 35 of main frame, and when the stick electrode 11 is like this connected with high-tension electricity, just bar-shaped metal electrode 11 produces corona and low temperature plasma with the six roots of sensation of periphery.Enclosing cover 15 axial direction has a hole to allow seven high-tension cables be combined into a large high-tension cable to pass through, have a Kong Yirang air in the radial direction and enter the air chamber formed between enclosing cover 15 and rear end cap 14.When air pump works, air is pressed into the air chamber between enclosing cover 15 and rear end cap 14, forms local hyperbar inside, forms draught head like this with insulation crust chamber, urgees to pass air in insulation crust chamber and to flow out from spout.
Milliampere ammeter 32 in main frame 3 is used for monitoring interelectrode strength of discharge; Gas flowmeter 33 is used for monitoring the flow from the plasma flow of spout; By the output voltage regulating the no-load voltage ratio of voltage regulating transformer T1 to regulate high voltage source 35.By the adjustment of this three aspect, the dosage of low temperature plasma can be adjusted, with satisfied different needs.
Fig. 6 is the general principle block diagram that can carry high voltage source, the direct current being produced 6V by storage battery forms the higher-order of oscillation through DC transfer circuit, produce ac square-wave voltage, then boost through closed magnet ring pulse transformer T5, and then through rectifier bridge D3, the pulse voltage of alternation is rectified into direct current, circuits for triggering control the turn-on and turn-off of unidirectional thyristor Q2 and then control the energy storage state of the electric capacity in energy storage circuit, eventually pass closed magnet ring transformer boost circuit and export high-voltage pulse electric to probe.
In DC transfer circuit, after switch S 1 is closed, the emitter of bipolar transistor Q1 and bipolar transistor Q3 connects DC power supply, under the effect of closed magnet ring pulse transformer T5 secondary coil L4, L5, bipolar transistor Q1 and bipolar transistor Q3 conducting in turn, the secondary coil L3 of closed magnet ring pulse transformer T5 obtains the pulse voltage of alternation.
The pulse control signal that circuits for triggering export, makes optocoupler U3 conducting or shutoff through single channel reverser, and then the unidirectional thyristor Q2 controlled in energy storage circuit turns on and off.
In energy storage circuit, by turning on and off of unidirectional thyristor Q2, discharge and recharge is carried out to electric capacity C1.When circuits for triggering output low level time, unidirectional thyristor Q2 turns off, electric capacity C1 is in charged state, when circuits for triggering export high level, unidirectional thyristor Q2 conducting, electric capacity C1 is in discharge condition, when electric capacity C1 has discharged, when the anode current of unidirectional thyristor Q2 is lower than maintenance electric current, unidirectional thyristor Q2 turns off, and at this moment circuit starts again to carry out a capacitor charge and discharge cycle of charging complete to electric capacity C1.The cycle of circuits for triggering output signal is exactly the time constant that electric capacity C1 discharges or charges.
In transformer boost circuit, the pulse voltage of such alternation finally reaches the object of output high-voltage pulse electric through boosting step by step of three closed magnet ring pulse transformer T2 ~ T4 and voltage regulating transformer T1.
As shown in Figure 7, it is the circuit diagram of high voltage source, bipolar transistor Q1 and Q3 of 6V direct current in DC transfer circuit is transformed into the pulse voltage of alternation, boost through closed magnet ring pulse transformer T5, then through rectifier bridge D3 rectification, form direct current, the unidirectional thyristor Q2 that now circuits for triggering produce in pulse control signal control energy storage circuit turns on and off, such realization is to the discharge and recharge of the electric capacity C1 in energy storage circuit, again through the voltage regulating transformer T1 of transformer boost circuit and the high-voltage pulse electric of closed magnet ring pulse transformer T2 ~ T4 generation 5 ~ 30kV, the high-voltage pulse electric that probe exports 5 ~ 30kV is in short-term realized through power line.
As shown in Figure 8, be the operating diagram of apparatus of the present invention.When meet accident injured after, plasma torch 1 is aimed at the wound 4 on arm 2, regulates plasma intensity at 1Jcm by the rotating speed of regulation output voltage knob and air pump
-2below, current indication is maintained 100 μ about A.Processing time about 90s, can reduce by 6 orders of magnitude by bacterial number.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection range of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (6)
1. utilize high voltage to produce a wound treatment device for plasma, it is characterized in that: comprise plasma torch (1) and main frame (3); Wherein:
Plasma torch (1): comprise seven bar-shaped metal electrodes (11), insulation fixed disk (12), insulation crust (13), rear end cap (14) and enclosing cover (15), insulation crust (13) axially has through inner chamber, insulation crust (13) inner chamber is provided with boss, the boss place of insulation crust (13) inner chamber is provided with insulation fixed disk (12), boss is conical cavity near the side of insulation crust (13) spout, the diameter of conical cavity near insulation crust (13) spout side is less than the diameter of conical cavity away from insulation crust (13) spout side, the shoulder of boss has 8-14 air vent hole (16), rear end cap (14) is fixed on insulation crust (13) away from one end of spout, enclosing cover (15) is fixed on rear end cap (14), insulation crust (13) lumen shaft is to seven bar-shaped metal electrodes (11) are housed, one end of a bar-shaped metal electrode to be fixed in the hole at insulation fixed disk (12) center and to be connected with one end of high-tension cable, one end of the bar-shaped metal electrode of all the other six roots of sensation is separately fixed at insulation fixed disk (12) along in equidistantly uniform six holes of same circumference and by high-tension cable ground connection, the other end of seven bar-shaped metal electrodes (11) is all near nozzle,
Main frame (3): comprise air pump (31), milliampere ammeter (32), gas flowmeter (33), radiator fan (34), high voltage source (35) and storage battery (36); Storage battery (36) is connected with radiator fan (34) with the high voltage source (35) in main frame (3), air pump (31) respectively, milliampere ammeter (32) is connected with high voltage source (35), and gas flowmeter (33) is connected with air pump (31);
Be connected with the high voltage source (35) of main frame (3) afterwards through rear end cap (14), enclosing cover (15) successively with the other end being fixed on the high-tension cable that the bar-shaped metal electrode that insulate fixed disk (12) centre bore is connected, one end of air hose extend in the air chamber formed between enclosing cover (15) and rear end cap (14), high-tension cable, air hose are all tightly connected with enclosing cover (15), and the other end of air hose is connected with the air pump (31) of main frame (3).
2. a kind of wound treatment device utilizing high voltage to produce plasma according to claim 1, it is characterized in that: seven described bar-shaped metal electrodes (11) are fixed on insulation fixed disk (12) by screw thread, insulation fixed disk (12) is fixed on the boss place of insulation crust (13) by screw thread, rear end cap (14) is fixed on insulation crust (13) by hexagon socket head cap screw.
3. a kind of wound treatment device utilizing high voltage to produce plasma according to claim 1, is characterized in that: described high voltage source (35) comprises DC transfer circuit, rectification circuit, circuits for triggering, energy storage circuit and transformer boost circuit; Storage battery (36) is connected with transformer boost circuit successively after DC transfer circuit, rectification circuit, energy storage circuit, and circuits for triggering are connected with energy storage circuit and DC transfer circuit respectively.
4. a kind of wound treatment device utilizing high voltage to produce plasma according to claim 3, is characterized in that: described DC transfer circuit, comprises bipolar transistor Q1, bipolar transistor Q3 and closed magnet ring pulse transformer T5, bipolar transistor Q1 is connected with the positive pole of storage battery (36) with the emitter of bipolar transistor Q3, bipolar transistor Q1 is connected with primary coil L1 and the L2 of closed magnet ring pulse transformer T5 respectively with the collector electrode of bipolar transistor Q3, bipolar transistor Q1 is connected with secondary coil L4 with L5 of closed magnet ring pulse transformer T5 respectively with the base stage of bipolar transistor Q3, the non-same polarity of secondary coil L4 and L5 of closed magnet ring pulse transformer T5 successively after resistance R2 respectively with one end of switch S 1, the negative pole of electric capacity C2 is connected, the other end of switch S 1 is connected with the negative pole of storage battery (36),
Described rectification circuit: comprise rectifier bridge D3 and electric capacity C2; Secondary coil L3 and the electric capacity C2 of rectifier bridge D3, closed magnet ring pulse transformer T5 form bridge rectifier;
Described energy storage circuit: comprise unidirectional thyristor Q2, electric capacity C1 and resistance R1; The positive pole of electric capacity C2 is in parallel with unidirectional thyristor Q2, sustained diode 2 respectively after diode D1, resistance R1 successively, the positive pole of diode D1 is connected with the positive pole of electric capacity C2, the negative pole of diode D1 is connected with resistance R1, and the negative pole of sustained diode 2 is connected with the positive pole of electric capacity C1;
Described transformer boost circuit: comprise three closed magnet ring pulse transformer T2 ~ T4 and voltage regulating transformer T1, sustained diode 2 primary coil of closed magnet ring pulse transformer T2 ~ T4 with three respectively after connecting with electric capacity C1, the parallel connection of primary windings of a voltage regulating transformer T1, voltage regulating transformer T1, closed magnet ring pulse transformer T2, closed magnet ring pulse transformer T3 connects successively with the secondary coil of closed magnet ring pulse transformer T4, be connected with the Same Name of Ends of the secondary coil of closed magnet ring pulse transformer T4 after milliampere ammeter (32) with the other end being fixed on the high-tension cable that the bar-shaped metal electrode that insulate fixed disk (12) centre bore is connected, the non-same polarity of the secondary coil of voltage regulating transformer T1 is connected with one end of switch S 1,
Described circuits for triggering: comprise single-chip microcomputer U1, single channel reverser U2, optocoupler U3, resistance R3, resistance R4 and electric capacity C3; 1 pin of single-chip microcomputer U1 is connected with the negative pole of optocoupler U3 photophore through single channel reverser U2, the 2 pin ground connection of single-chip microcomputer U1, ground connection after the 7 foot meridian capacitor C3 of single-chip microcomputer U1,4 pin of single-chip microcomputer U1 are through variable resistor R5 ground connection, the positive pole of optocoupler U3 photophore is connected with 5V power supply through resistance R3, the positive pole of optocoupler U3 light-receiving device is connected with supply voltage, and negative pole ground connection after resistance R4 of optocoupler U3 light-receiving device, the negative pole of optocoupler U3 light-receiving device is connected with the gate pole of unidirectional thyristor Q2.
5. a kind of wound treatment device utilizing high voltage to produce plasma according to claim 4, is characterized in that: the model of described single-chip microcomputer U1 is ATtiny5.
6. a kind of wound treatment device utilizing high voltage to produce plasma according to claim 4, is characterized in that: the model of described single channel reverser U2 is SN74AHCT1G04.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104542545B (en) * | 2015-01-16 | 2016-12-07 | 浙江大学 | A kind of sprinkling diseases prevention device of low temperature normal atmosphere plasma activated water crops |
| CN105396227B (en) * | 2015-11-11 | 2018-09-21 | 大连民族大学 | A kind of medical array microplasma skin treatment device |
| CN106361427A (en) * | 2016-09-14 | 2017-02-01 | 苏州超等医疗科技有限公司 | Painless non-narcotic plasma wound treatment device |
| CN106362278A (en) * | 2016-09-14 | 2017-02-01 | 苏州超等医疗科技有限公司 | Large-scale plasma surgical device |
| DE102017105430A1 (en) * | 2017-03-14 | 2018-09-20 | Epcos Ag | Apparatus for generating a non-thermal atmospheric pressure plasma and effective space |
| KR101794542B1 (en) * | 2017-06-01 | 2017-11-07 | 주식회사 지씨에스 | Electric Device for Skin and Driving Method Thereof |
| CN107612368A (en) * | 2017-11-03 | 2018-01-19 | 北京聚智达科技有限公司 | Failure safe power supply |
| CN107854775A (en) * | 2017-11-19 | 2018-03-30 | 烟台海灵健康科技有限公司 | A kind of portable plasma therapeutic equipment of translator fan |
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| EP1993329A1 (en) * | 2007-05-15 | 2008-11-19 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Plasma source |
| JP2011506010A (en) * | 2007-12-20 | 2011-03-03 | ギュンテル・ファリン | Plasma applicator for plasma surgery |
| CN201643445U (en) * | 2010-04-27 | 2010-11-24 | 嘉兴江林电子科技有限公司 | Contact-type plasma discharger |
| EP2707098A4 (en) * | 2011-05-13 | 2014-05-07 | Thomas J Sheperak | Plasma directed electron beam wound care system apparatus and method |
| CN203447644U (en) * | 2013-08-13 | 2014-02-26 | 浙江大学 | Wound treatment device by utilizing high voltage to generate plasma |
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