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CN-122006030-A - Portable self-driven antibiotic aerosol inhalation device

CN122006030ACN 122006030 ACN122006030 ACN 122006030ACN-122006030-A

Abstract

The invention discloses a portable self-driven antibiotic atomizing inhalation device, which belongs to the technical field of medical appliances and aims to solve the problems that the existing atomizing device depends on an external power source, has complex structure, poor portability and high cost, the invention does not need external energy, has simple structure, low cost, strong portability, high atomization efficiency and uniform and easy absorption of fog particles, and can meet the use requirements of families, outdoor and other non-power-supply scenes.

Inventors

  • GU YONGLI
  • Huo wen
  • LI XIAO

Assignees

  • 连云港市第一人民医院

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. The portable self-driven antibiotic aerosol inhalation device is characterized by comprising an inhalation tube, a sealing cover and a replaceable suction nozzle, wherein the sealing cover is connected to the tail end of the inhalation tube, and the replaceable suction nozzle is inserted into the front end of the inhalation tube; the inside of the suction pipe is provided with an accommodating cavity which is penetrated along the axial direction, an atomized medicine feeding core and a medicine tank are coaxially accommodated in the accommodating cavity in sequence from the front end to the tail end, and the side wall of the suction pipe is provided with an air inlet which is communicated with the inside of the accommodating cavity; The inner side end face of the sealing cover, which faces the accommodating cavity of the suction pipe, is fixedly connected with a ventilation hollow needle, the outer side end face of the sealing cover, which faces away from the suction pipe, is provided with a vent communicated with the outside atmosphere, and the inner cavity of the ventilation hollow needle and the vent form a continuous through air inlet channel; The end face of the atomized medicine feeding core, which faces one end of the medicine tank, is fixedly connected with a medicine feeding hollow needle, two mutually independent medicine channels are formed in the atomized medicine feeding core, and the outlet ends of the medicine feeding hollow needle are respectively communicated with the inlet ends of the two medicine channels; the middle part of each medicament channel is connected in series with a medicament feeding pump, the power input end of the medicament feeding pump is in transmission connection with a pneumatic impeller, the pneumatic impeller is arranged on the inner side of the air inlet, and the working surface of the blade of the pneumatic impeller is opposite to the air inlet direction of the air inlet; Two metal reeds are inserted into the outlet end of the medicament channel, the two metal reeds are mutually and parallelly stacked, a gap of 0.5 mm-1 mm is reserved between the two metal reeds, a narrow vent is formed in the atomization medicament feeding core, the air inlet end of the narrow vent is communicated with the air flow path of the air inlet, the metal reeds are arranged at the outlet of the narrow vent, and the plane of a sheet body of each metal reed is mutually parallel to the air outlet direction of the narrow vent.
  2. 2. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein a duckbill mouth is integrally formed at the front end of the replaceable suction nozzle, the replaceable suction nozzle is integrally injection molded by a medical grade silica gel material, a limiting step is arranged at the insertion end of the replaceable suction nozzle, and the limiting step is in abutting limiting with the front end face of the inhalation tube.
  3. 3. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein puncture openings are reserved in the central positions of the end faces of the two axial ends of the medicament tank, the puncture openings are sealed and blocked through medical silica gel caps, and the ventilation hollow needle and the administration hollow needle are respectively opposite to the puncture openings at the two ends of the medicament tank, so that the medicament tank can be conveniently inserted into the inner cavity of the medicament tank through puncture corresponding silica gel caps.
  4. 4. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein a one-way vent valve is arranged in series in an air inlet passage between the vent hollow needle and the vent port, the forward direction of the one-way vent valve being from the vent port toward the vent hollow needle, and the reverse direction of the one-way vent valve being from the vent hollow needle toward the vent port.
  5. 5. The portable self-driven antibiotic aerosol inhalation device according to claim 4, wherein air filter cotton is further arranged in the air inlet air passage between the one-way ventilation valve and the ventilation opening, and the outer edge of the air filter cotton is in interference fit with the inner wall of the air inlet air passage.
  6. 6. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein the drug delivery pump comprises a pump cavity coaxially arranged in the middle of the drug channel, an eccentric rotating block is rotationally connected in the pump cavity, the eccentric rotating block is fixedly connected with the pneumatic impeller coaxially through a rotating shaft, and the rotating axis of the eccentric rotating block is eccentrically arranged with the central axis of the pump cavity.
  7. 7. The portable self-driven antibiotic aerosol inhalation device according to claim 6, wherein two groups of sliding grooves are symmetrically formed in the outer peripheral side wall of the eccentric rotating block, movable blades are slidably inserted into each group of sliding grooves, a reset spring is arranged between the inner ends of the movable blades and the bottoms of the sliding grooves in an abutting mode, and the reset spring is used for driving the outer ends of the movable blades to be always in sealing abutting mode with the inner wall of the pump cavity.
  8. 8. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein the air outlet end of the air inlet is provided with a diversion air passage, and the air outlet end of the diversion air passage is opposite to the single-side blade working surface of the pneumatic impeller, so that the air flow entering through the air inlet directionally drives the pneumatic impeller to rotate unidirectionally along a preset direction.
  9. 9. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein the end face of the air outlet end of the narrow vent is flush with the end face of the outlet end of the medicament channel, the air outlet of the narrow vent is opposite to the atomizing gap between the metal reeds, and the high-speed air flow accelerated by the narrow vent forms a negative pressure drainage area at the outlet end of the medicament channel to assist the stable conveying of the liquid medicine in the medicament channel into the atomizing gap.
  10. 10. The portable self-driven antibiotic aerosol inhalation device according to claim 1, wherein the rear end face of the atomized drug administration core facing the drug tank is in abutting limiting with the front end face of the annular limiting step, and the front end face of the drug tank facing the atomized drug administration core is in abutting positioning with the rear end face of the annular limiting step, so that the drug administration hollow needle and the ventilation hollow needle are ensured to be coaxially aligned with puncture openings at two ends of the drug tank, and accurate puncture is realized.

Description

Portable self-driven antibiotic aerosol inhalation device Technical Field The invention relates to the technical field of medical appliances, in particular to a portable self-driven antibiotic aerosol inhalation device. Background The antibiotic aerosol inhalation therapy is one of the important administration modes for treating respiratory infectious diseases, and aerosol inhalation can lead the medicine to directly act on the pathological change parts of respiratory tract and lung, and has the advantages of quick effect, small dosage, less systemic adverse reaction and the like. Currently, the atomizing and inhaling device widely used in clinic mainly comprises a compression atomizer, an ultrasonic atomizer, a vibrating screen mesh atomizer and the like. However, the prior aerosol inhalation devices have the following technical drawbacks: First, depending on external power supply or air source, the compression atomizer needs to be matched with an air compressor for use, has huge volume and inconvenient carrying, and the ultrasonic atomizer and the vibration sieve pore atomizer both need to be powered by an external power supply, so that the use requirements of patients in household, outdoor or journey environments without power supply can not be met. Secondly, the structure is complicated, the cost is high, and the existing atomizer is usually composed of a plurality of complex components such as a motor, a compressor, a circuit control system and the like, so that the manufacturing cost is high, the failure rate is high, and the maintenance is difficult. Third, energy utilization efficiency is low, and current electronic atomizer has great loss in energy conversion process, and the equipment produces the noise greatly when running, and it is obvious to generate heat, influences patient's use experience. Fourth, use convenience is not enough, and current atomizer needs to cooperate face guard or the use of stinging mouth generally, and accessories such as atomizing cup, pipe are more, and equipment and cleanness are inconvenient, and especially to children, old person or the inconvenient patient of action, the operation degree of difficulty is great. In summary, the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a self-driven aerosol inhalation device which has a simple structure, no need of external energy, good portability and low cost. Disclosure of Invention The invention aims to solve the technical problems that the existing aerosol inhalation device depends on an external power supply or an air source, has a complex structure, high cost and low energy utilization efficiency, and provides a portable self-driven antibiotic aerosol inhalation device. In order to achieve the above purpose, the present application adopts the following technical scheme: A portable self-driven antibiotic atomization inhalation device comprises an inhalation tube, a sealing cover and a replaceable suction nozzle, wherein the sealing cover is connected to the tail end of the inhalation tube, and the replaceable suction nozzle is inserted into the front end of the inhalation tube; The inside of the suction tube is provided with an accommodating cavity which is penetrated along the axial direction, an atomized medicine feeding core and a medicine tank are coaxially accommodated in the accommodating cavity from the front end to the tail end in sequence, and the side wall of the suction tube is provided with an air inlet which is communicated with the inside of the accommodating cavity; the inner side end face of the sealing cover, which faces the accommodating cavity of the suction pipe, is fixedly connected with a ventilation hollow needle, the outer side end face of the sealing cover, which faces away from the suction pipe, is provided with a vent communicated with the outside atmosphere, and the inner cavity of the ventilation hollow needle and the vent form a continuous through air inlet channel; The end face of the atomized medicine feeding core, which faces one end of the medicine tank, is fixedly connected with a medicine feeding hollow needle, two mutually independent medicine channels are formed in the atomized medicine feeding core, and the outlet end of the medicine feeding hollow needle is respectively communicated with the inlet ends of the two medicine channels; the middle part of each medicament channel is provided with a medicament feeding pump in series, the power input end of the medicament feeding pump is in transmission connection with a pneumatic impeller, the pneumatic impeller is arranged at the inner side of the air inlet, and the working surface of a blade of the pneumatic impeller is opposite to the air inlet direction of the air inlet; Two metal reeds are inserted into the outlet end of the medicament channel, the two metal reeds are mutually and parallelly stacked, a gap of 0.5 mm-1 mm is reserved between the two metal reeds