Title:
PORTABLE NEBULIZER CAPABLE OF AUTOMATICALLY ADJUSTING NEBULIZATION RATE ACCORDING TO PULMONARY VENTILATION VOLUME
Document Type and Number:
WIPO Patent Application WO/2019/214020
Kind Code:
A1
Abstract:
A portable nebulizer capable of automatically adjusting the nebulization rate according to pulmonary ventilation volume, comprising a housing (1), a medicine liquid box (2), a nozzle (3), a battery (4) provided in the housing (1), a circuit board (5) provided in the housing (1), a nebulizing plate (6) provided between the medicine liquid box (2) and the nozzle (3), a nebulization driving circuit separately connected to the nebulizing plate (6) and the circuit board (5) and provided between the liquid medicine box (2) and the housing (1). The circuit board (5) comprises a main control module connected to the nebulization driving circuit, a pulmonary ventilation detection module connected to the main control module, and a digital display module and a power supply module connected to the main control module; the pulmonary ventilation detection module comprises a signal amplification circuit connected to the main control module, and an internal resistance strain sensor (8) connected to the signal amplification circuit; the nozzle (3) is provided with a blowing channel (7) which is separated from the nozzle (3) and extends from outside to inside; the blowing channel (7) is communicated with the interior of the housing (1), and gas enters into the interior of the housing (1) from the blowing channel (7) to be in contact with the internal resistance strain sensor (8). The nebulizer is convenient to use and environment-friendly.
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Inventors:
HUA JIAN (CN)
SONG XUEFENG (CN)
SONG XUEFENG (CN)
Application Number:
PCT/CN2018/092921
Publication Date:
November 14, 2019
Filing Date:
June 26, 2018
Export Citation:
Assignee:
HUA JIAN (CN)
International Classes:
A61M11/00; A61M31/00
Foreign References:
| CN206198413U | 2017-05-31 | |||
| CN105919598A | 2016-09-07 | |||
| CN105999485A | 2016-10-12 | |||
| CN107469203A | 2017-12-15 | |||
| US7497215B1 | 2009-03-03 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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