CN117839084A - Microplasma jet device for otitis media treatment - Google Patents
Microplasma jet device for otitis media treatment Download PDFInfo
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- CN117839084A CN117839084A CN202410066669.4A CN202410066669A CN117839084A CN 117839084 A CN117839084 A CN 117839084A CN 202410066669 A CN202410066669 A CN 202410066669A CN 117839084 A CN117839084 A CN 117839084A
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- 206010033078 Otitis media Diseases 0.000 title claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 244000052616 bacterial pathogen Species 0.000 abstract description 3
- 239000003242 anti bacterial agent Substances 0.000 abstract description 2
- 229940088710 antibiotic agent Drugs 0.000 abstract description 2
- 238000002324 minimally invasive surgery Methods 0.000 abstract description 2
- 208000025301 tympanitis Diseases 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 33
- 230000000694 effects Effects 0.000 description 5
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 210000002381 plasma Anatomy 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/44—Applying ionised fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/20—Ear surgery
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Plasma & Fusion (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Psychology (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Surgery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a microplasma jet device for treating tympanitis, which comprises a shell and a jet body arranged on the shell, wherein a jet assembly for discharging and an air flow channel through which air passes are arranged in the shell, the jet end of the jet assembly is positioned in the air flow channel, an emergent channel for the emission of air microplasma is arranged in the jet body, one end of the emergent channel is communicated with the air flow channel, the other end of the emergent channel is communicated with the outside, when the jet assembly works, the air at the jet end can generate the air microplasma, and the air microplasma can be discharged along the emergent channel under the action of the jet body and then acts on a tympanitis patient. The microplasma generated by the invention can directly kill pathogenic bacteria of otitis media, and the exit of the device can be placed in the auditory canal of a human to treat without using antibiotics or performing minimally invasive surgery.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a microplasma jet device for treating otitis media.
Background
Microplasma is a plasma confined in a space (50-500 μm) capable of generating reactive atoms, diatomic molecules, etc. at near-ambient temperature, and has some of the basic characteristics of conventional plasmas, while having the characteristics of small size, high plasma density, low energy input, fast reaction speed, and small discharge size enabling it to operate at atmospheric pressure. In microplasmas, some atoms or molecules lose electrons, forming positive ions and free electrons, and these energetic ions or atoms in an excited state possess extremely high chemical activity. While it acts as a partially ionized gaseous medium, capable of controlling its distribution and movement using a magnetic field. Common methods for creating microplasma include gas discharge, laser excitation, etc., and common discharge modes include microwave induced discharge, capacitive coupling discharge, inductive coupling discharge, dielectric barrier discharge, micro hollow cathode discharge, capillary discharge, etc.
Otitis media refers to infection or inflammation of the middle ear mucosa. Such inflammation may be associated with infection, typically caused by bacteria or viruses. Otitis media is generally more common in children, but can also affect adults. Currently, the most commonly used treatment for otitis media is antibiotic therapy. However, the method has the defects of poor curative effect, long process, easy side effect generation, drug resistance and the like.
The microplasma jet has strong killing power on most pathogens at normal temperature, has obvious effect, short time required by the treatment process and no obvious damage to normal cells of human body, and the application of the microplasma jet to the inactivation of pathogenic bacteria for treating otitis media is a brand-new attempt in the medical field, effectively overcomes the defects of the existing treatment mode, improves the treatment efficiency, and realizes the effective treatment of otitis media in a drug-free, painless and mild treatment mode.
Disclosure of Invention
The invention aims to solve the difficult problem of otitis media treatment and provides a microplasma jet application device for otitis media treatment.
The technical scheme adopted by the invention is as follows: the utility model provides a microplasma fluidic device for otitis media treatment, includes the casing and sets up the efflux body on the casing, be provided with the efflux subassembly that is used for discharging and be provided with the air current passageway that the air supply passed through in the casing, and the efflux end of efflux subassembly is located the air current passageway, be provided with the exit channel that supplies gaseous microplasma to jet out in the efflux body, the one end and the air current passageway intercommunication of exit channel, the other end and external intercommunication, when the efflux subassembly during operation, the gas that enables the efflux end produces gaseous microplasma, gaseous microplasma can be discharged along the exit channel under the effect of efflux body, then acts on otitis media patient.
As the preferable choice in the above scheme, one end of the shell is provided with an internal thread for installing the jet fluid, and one end of the jet fluid far away from the jet outlet is provided with an external thread matched with the internal thread.
Still preferably, the jet assembly comprises a high-voltage electrode needle, an electrode hole for installing the high-voltage electrode needle is arranged in the shell, the high-voltage electrode needle is arranged in the electrode hole, one end of the high-voltage electrode needle extends towards the jet body, a medium cover capable of being covered on one end of the high-voltage electrode needle is further arranged on the shell, one end of the medium cover is in contact with one end of the air flow channel and one end of the exit channel, the jet end is one end of the medium cover, which is in contact with the air flow channel, a wire channel for a high-voltage wire for realizing the electrifying of the high-voltage electrode needle to pass through is further arranged on the shell, the wire channel is not intersected with the air flow channel, and when the jet body is installed on the shell, the other end of the high-voltage electrode needle is positioned in the jet body.
Further preferably, a disassembly structure which is convenient for the medium cover to be assembled and disassembled is arranged between the medium cover and the shell.
Still preferably, the dismounting structure comprises a mounting block arranged on the medium cover, the mounting block is at least provided with one piece, a mounting groove for clamping the mounting block after being inserted is arranged at the position corresponding to the mounting block on the shell, and a return spring sleeved outside the high-voltage electrode needle and positioned between the medium cover and the shell is arranged in the medium cover; when the mounting block is mounted, the mounting block is inserted into the mounting groove corresponding to the mounting block, the medium cover is pressed to compress the return spring, when the medium cover cannot be pressed, the medium cover is rotated, then the medium cover is loosened, and the mounting block is clamped into the mounting groove under the action of the return spring; when the medium cover is disassembled, the medium cover is pressed first to compress the return spring, and when the medium cover cannot be pressed, the medium cover is rotated reversely, and then the medium cover is taken out.
Further preferably, the end of the medium cover facing the fluid is provided in a conical shape or a hemispherical shape.
Further preferably, the other end of the high-voltage electrode needle is provided with a mounting end convenient to mount, a guide hole convenient for wire mounting is arranged in the mounting end, and the mounting end and the guide hole are both in a conical structure.
Further preferably, the fluid is made of permanent magnetic material, such as ferrite, and the fluid is provided with a wire; the shell is made of insulating materials such as resin, and an insulating handheld end for realizing handheld is arranged on the shell; the medium cover is made of materials with certain dielectric constant values, such as glass, quartz glass, ceramic and the like.
Further preferably, the gas flow channel comprises a loop and at least two sub-channels, the loop and all the sub-channels are arranged in the shell, a communication hole for realizing loop gas supply is arranged on the shell, a quick gas adapter with a one-way valve function is arranged on the communication hole, one end intervals of all the sub-channels are uniformly arranged on the loop, and the other ends of the sub-channels are converged at the jet flow end of the jet flow component.
Further preferably, the exit channel and the fluid are both arranged in a conical structure conforming to the auditory canal of the person, and the exit channel is arranged on the axis of the fluid, and the inner diameter of the exit channel gradually decreases from one end to the other end.
The invention has the beneficial effects that:
1) The treatment efficiency is high; the microplasma generated by the invention can directly kill pathogenic bacteria of otitis media, and the exit of the device can be placed in the auditory canal of a human to treat without using antibiotics or performing minimally invasive surgery.
2) The discharge efficiency is high; the jet fluid adopts a permanent magnetic material, and the micro-plasma jet generated by discharge is restrained and pulled through the action of a magnetic field, so that the micro-plasma jet is rapidly ejected along an exit channel, the micro-plasma plume is more stable, and the discharge efficiency is improved; the wire channel and the air flow channel are not crossed, so that zero contact of the air and the power supply circuit before discharge reaction is ensured, and the discharge efficiency is further improved.
3) The safety is high; an insulated handheld end for realizing the handheld is arranged on the shell, so that no contact danger exists when the shell is held; the jet body is provided with the electric wires, so that zero potential of the jet body is ensured, and the discharge safety is improved; the medium cover is made of a material with a certain dielectric constant, and separates the discharged high-voltage electrode needle from a human body, so that the discharge safety is further ensured.
4) The structure is simple, the device is light and portable, the overall size of the device is matched with the size of a palm, and the device is more convenient to take due to the design of a handheld grab handle; the portable power source and the gas cylinder are connected, so that the portable power source and the gas cylinder can be assembled and used anytime and anywhere, and the portable power source is suitable for various experimental environments and treatment environments.
5) The structure is simple and convenient to disassemble and assemble; the whole jet assembly, the shell and the jet body are formed, the structure is simple, the shell and the jet body are connected through threads, the jet assembly can be detached and connected at any time, and cleaning and arrangement are facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a left side view of fig. 2.
FIG. 5 is a schematic view of the air flow channel according to the present invention.
FIG. 6 is a schematic view of an injection fluid according to the present invention.
FIG. 7 is a schematic illustration of a dielectric cap according to the present invention.
Fig. 8 is a schematic view of a high voltage electrode needle according to the present invention.
Fig. 9 is a schematic view of a housing in the present invention.
FIG. 10 is a second schematic illustration of a dielectric cap according to the present invention.
Reference numerals: jet body-1, external screw thread-11, outgoing channel-12, medium cover-2, mounting block-21, high-voltage electrode needle-3, mounting end-31, guide hole-32, shell-4, wire channel-41, air flow channel-42, ring channel-421, shunt channel-422, communication hole-423, insulating hand-held end-43, internal screw thread-44, electrode hole-45, mounting groove-46 and return spring-5.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 10, a microplasma jet device for otitis media treatment mainly comprises a jet 1, a shell 4 and a jet assembly, wherein the jet assembly is used for acting on gas to form microplasma, the shell is used for installing the jet assembly and the jet, and the jet is used for restraining the microplasma, forming microplasma plumes after being concentrated, and then discharging from a designated outlet. The jet assembly and the jet body 1 are both arranged on the shell 4, in order to generate gas microplasma, the jet assembly for discharging and the gas flow channel 42 through which the gas passes are arranged in the shell 4, and the jet end of the jet assembly is positioned in the gas flow channel 42. In order to realize the discharge of microplasma, an exit channel 12 is provided on the fluid 1, and one end of the exit channel 12 is communicated with an air flow channel 42, and the other end is communicated with the outside. When the jet assembly works, gas at the jet end can generate gas microplasma, and the gas microplasma can be discharged from the outlet 12 under the action of the jet body 1 and then acts on a otitis media patient.
To facilitate the installation between the jet and the housing, an internal thread 44 is provided at one end of the housing 4 for the installation of the jet 1, and correspondingly, an external thread 11 is provided at the end of the jet 1 remote from the outlet 12, matching the internal thread 44. When in use, the utility model is convenient to detach and connect at any time, thereby being convenient for cleaning and finishing.
The specific structure of the jet assembly comprises a high-voltage electrode needle 3, a medium cover 2 and a high-voltage wire. An electrode hole 45 for installing the high-voltage electrode needle 3 is arranged in the shell 4, the high-voltage electrode needle 3 is arranged in the electrode hole 45, one end of the high-voltage electrode needle 3 extends towards the jet body 1, a medium cover 2 capable of being covered on one end of the high-voltage electrode needle 3 is also arranged on the shell 4, one end of the medium cover 2 is contacted with one end of the air flow channel 42 and one end of the emergent channel 12, the jet end is one end of the medium cover 2 contacted with the air flow channel 42, a wire channel 41 for a high-voltage wire (not shown in the figure) for realizing the electrifying of the high-voltage electrode needle 3 to pass through is also arranged on the shell 4, one end of the wire channel is communicated with the other end of the electrode hole, and the other end of the wire channel is communicated with the outside. To further increase the discharge efficiency, the wire channel 41 and the gas flow channel 42 do not intersect, ensuring zero contact of the gas and the power supply circuit before the discharge reaction. Preferably, when the jet 1 is mounted on the housing 4, one end of the high-voltage electrode needle 3 is located in the exit channel of the jet 1, so that the gas microplasma can be restrained in time after being generated, and can be rapidly ejected along the exit channel. The pulse high voltage applied by the high voltage electrode needle is preferably between 2kV and 10kV in amplitude and between 100Hz and 50kHz in frequency.
In order to ensure stable treatment, the fluid 1 is made of permanent magnetic materials such as ferrite; the housing 4 is made of an insulating material such as resin; the dielectric cover 2 is made of materials with certain dielectric constant values, such as glass, quartz glass, ceramic and the like, and can also separate the high-voltage electrode needle of the discharge from a human body, so that the safety of the discharge is further ensured. In order to ensure the installability of treatment, the grounding wire is arranged on the jet body, the zero electricity of the jet body is ensured, the grounding wire is tightly attached to the jet body through the copper foil for facilitating the disassembly of the jet body and then extends to the grounding wire at the rear end of the shell, and meanwhile, the grounding wire and the copper foil are protected and fixed through a layer of insulating glue arranged on the grounding wire. An insulating hand-held end 43 for carrying out the hand-holding is provided on the housing 4, so that there is no contact risk when hand-held.
A disassembly structure which is convenient for the medium cover 2 to be assembled and disassembled is arranged between the medium cover 2 and the shell 1. The dismounting structure comprises a mounting block 21 arranged on the medium cover 2, the mounting block 21 is at least provided with one piece, a mounting groove 46 used for clamping after the mounting block 21 is inserted is arranged on the shell 4 corresponding to the position of the mounting block 21, and a return spring 5 sleeved outside the high-voltage electrode needle 3 and positioned between the medium cover 2 and the shell 4 is arranged in the medium cover 2.
When the device is installed, the installation block 21 is inserted into the installation groove 46 correspondingly, the medium cover 2 is pressed to compress the return spring 5, when the medium cover 2 cannot be pressed, the medium cover 2 is rotated, then the medium cover 2 is loosened, and the installation block 21 is clamped into the installation groove 46 under the action of the return spring 5; when the medium cover 2 is detached, the medium cover 2 is pressed first to compress the return spring 5, and when the medium cover 2 cannot be pressed, the medium cover 2 is rotated reversely, and then the medium cover 2 is taken out.
In general, the end of the medium cover 2 facing the fluid 1 is in a hemispherical structure, so as to further improve the energy utilization rate, for example, the shape of the medium cover 2 can be adjusted, for example, the end of the medium cover 2 facing the fluid 1 is in a conical shape, that is, the fluid end is set to be a tip, as shown in fig. 10, the tip can generate a larger electric field intensity, thereby generating more microplasma and improving the energy utilization rate.
For the installation and the circular telegram of convenient high voltage electrode needle, the other end of high voltage electrode needle 3 is provided with the installation end 31 of being convenient for the installation, is provided with the guiding hole 32 of being convenient for the wire installation simultaneously in installation end 31, and installation end 31 and guiding hole 32 all set up to the toper structure, and are less than the one end that keeps away from penetrating fluid 1 towards penetrating fluid 1's one end.
In order to facilitate the gas microplasma to enter the human ear well for treatment after being ejected, the emergent channel 12 and the ejection body 1 are both arranged in a conical structure, the emergent channel 12 is arranged on the axis of the ejection body 1, and the inner diameter of the emergent channel 12 gradually decreases from one end to the other end. Preferably, the shape of the part of the jet body and the shell for mounting the jet body is consistent with the human ear structure, namely, the conical structure with the bus bar in a smooth curve is arranged.
To ensure uniformity of the gas reaching the jet end along the gas flow channel, the gas flow channel may be provided as an annular gas flow channel surrounding the high voltage electrode needle and the wire channel, but due to the smaller size of the whole device, the channel wall of the annular gas flow channel near the jet end is thinner, and ionization is easily generated in the channel after high voltage pulse electricity is introduced, so that energy loss is caused. The gas flow path 42 is thus provided as a loop 421 and at least two sub-channels 422, and the loop 421 and all sub-channels 422 are provided in the housing 4, while a communication hole 423 for realizing the gas supply of the loop 421 is provided in the housing 4, and a quick gas adapter (not shown in the drawings) having a check valve function is provided in the communication hole 423, one end of all sub-channels 422 being spaced uniformly on the loop 421, and the other ends of the sub-channels 422 being joined at the jet end of the jet assembly.
In this embodiment, the fluid is made of ferromagnetic material, and the housing is made of resin, so that the fluid can be directly manufactured by 3D printing, and the medium cover is set to be a glass cover. The installation piece is provided with two, and the shunt is provided with four. The jet body is arranged at the right end of the shell, the wire channel, the electrode hole and the emergent channel are horizontally extended, the axis of the sub-channel is parallel to the axis of the wire channel, the insulating handheld end is arranged at the lower end of the shell, the used gas is helium, and other inert gases can be adopted.
When in use, the helium bottle is connected to the quick gas adapter through the gas pipe, and then the helium bottle is opened, so that helium is continuously fed into the device from the communication hole 423, and enters the 4 branch channels 422 after entering the helium filling loop 421, and other gases in the device are waited to be completely discharged from the emergent channel 12 and keep ventilation continuously. And then the high-voltage wire in the wire channel 41 is connected with a high-voltage pulse power supply with the external amplitude of 2kV-8kV and the frequency of 10Hz-50kHz, an external pulse power supply switch is turned on, pulse high voltage is sent to the high-voltage electrode needle 3 through the external power supply wire, high field intensity is formed at the tip end of the high-voltage electrode needle 3, and as the tip end of the high-voltage electrode needle 3 is wrapped by the medium cover 2, gas outside the medium cover 2 is ionized under the action of the high field intensity, so that gas microplasma is generated. Under the action of the magnetic field generated by the fluid 1, the charged particles do circular motion in a radial plane under the action of Lorentz force to form stable microplasma plumes, and finally all the microplasma plumes are discharged from the microplasma emergent channel 12, so that the treatment of otitis media patients is realized.
Claims (10)
1. A microplasma fluidic device for use in the treatment of otitis media, characterized in that: the novel electric discharge device comprises a shell (4) and a jet body (1) arranged on the shell (4), wherein a jet assembly used for discharging and an air flow channel (42) through which air passes are arranged in the shell (4), the jet end of the jet assembly is positioned in the air flow channel (42), an emergent channel (12) for emitting air microplasma is arranged in the jet body (1), one end of the emergent channel (12) is communicated with the air flow channel (42), the other end of the emergent channel is communicated with the outside, when the jet assembly works, air at the jet end can generate air microplasma, and the air microplasma can be discharged along the emergent channel (12) under the action of the jet body (1) and then acts on a otitis media patient.
2. A microplasma fluidic device for use in the treatment of otitis media according to claim 1, wherein: one end of the shell (4) is provided with an internal thread (44) for installing the fluid (1), and one end of the fluid (1) far away from the injection port (12) is provided with an external thread (11) matched with the internal thread (44).
3. A microplasma fluidic device for use in the treatment of otitis media according to claim 1, wherein: the jet assembly comprises a high-voltage electrode needle (3), an electrode hole (45) for installing the high-voltage electrode needle (3) is formed in a shell (4), the high-voltage electrode needle (3) is arranged in the electrode hole (45), one end of the high-voltage electrode needle (3) extends towards a jet body (1), a medium cover (2) capable of being covered on one end of the high-voltage electrode needle (3) is further arranged on the shell (4), one end of the medium cover (2) is in contact with one end of an air flow channel (42) and an emergent channel (12), the jet end is one end of the medium cover (2) in contact with the air flow channel (42), a wire guide channel (41) for enabling a high-voltage wire for realizing the electrifying of the high-voltage electrode needle (3) to pass through is further arranged on the shell (4), and the wire guide channel (41) is not intersected with the air flow channel (42).
4. A microplasma fluidic device for use in the treatment of otitis media according to claim 3, wherein: a disassembly structure which is convenient for the medium cover (2) to be assembled and disassembled is arranged between the medium cover (2) and the shell (1).
5. A microplasma fluidic device for use in the treatment of otitis media according to claim 4, wherein: the disassembly structure comprises a mounting block (21) arranged on the medium cover (2), the mounting block (21) is at least provided with one piece, a mounting groove (46) used for clamping the mounting block (21) after being inserted is formed in the position, corresponding to the mounting block (21), of the shell (4), and a return spring (5) sleeved outside the high-voltage electrode needle (3) and positioned between the medium cover (2) and the shell (4) is arranged in the medium cover (2); when the device is installed, the installation block (21) is inserted into the corresponding installation groove (46), the medium cover (2) is pressed to compress the return spring (5), when the medium cover (2) cannot be pressed, the medium cover (2) is rotated, then the medium cover (2) is loosened, and under the action of the return spring (5), the installation block (21) is clamped into the installation groove (46); when the medium cover (2) is disassembled, the medium cover (2) is pressed first to enable the return spring (5) to be compressed, and when the medium cover (2) cannot be pressed, the medium cover (2) is rotated reversely, and then the medium cover (2) is taken out.
6. A microplasma fluidic device for use in the treatment of otitis media according to claim 3, wherein: the end of the medium cover (2) facing the jet body (1) is arranged to be conical or hemispherical.
7. A microplasma fluidic device for use in the treatment of otitis media according to claim 3, wherein: the other end of the high-voltage electrode needle (3) is provided with a mounting end (31) convenient to mount, a guide hole (32) convenient for wire mounting is arranged in the mounting end (31), and the mounting end (31) and the guide hole (32) are both arranged into a conical structure.
8. A microplasma fluidic device for use in the treatment of otitis media according to claim 1, wherein: the jet fluid (1) is made of permanent magnetic materials, and the jet fluid (1) is provided with a connecting wire; the shell (4) is made of an insulating material, and an insulating handheld end (43) for realizing handheld is arranged on the shell (4); the medium cover (2) is made of a material with a certain dielectric constant value.
9. A microplasma fluidic device for use in the treatment of otitis media according to claim 1, wherein: the air flow channel (42) comprises a loop (421) and at least two branch channels (422), the loop (421) and all branch channels (422) are all arranged in the shell (4), a communication hole (423) for realizing air supply of the loop (421) is formed in the shell (4), a quick gas adapter with a one-way valve function is arranged on the communication hole (423), one ends of all branch channels (422) are uniformly arranged on the loop (421) at intervals, and the other ends of the branch channels (422) are converged at the jet flow end of the jet flow component.
10. A microplasma fluidic device for use in the treatment of otitis media according to claim 1, wherein: the emitting channel (12) and the jet body (1) are both arranged in a conical structure conforming to the auditory canal of a person, the emitting channel (12) is arranged on the axis of the jet body (1), and the inner diameter of the emitting channel (12) is gradually reduced from one end to the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410066669.4A CN117839084A (en) | 2024-01-17 | 2024-01-17 | Microplasma jet device for otitis media treatment |
Applications Claiming Priority (1)
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| CN202410066669.4A CN117839084A (en) | 2024-01-17 | 2024-01-17 | Microplasma jet device for otitis media treatment |
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| CN202410066669.4A Pending CN117839084A (en) | 2024-01-17 | 2024-01-17 | Microplasma jet device for otitis media treatment |
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