Dry powder aerosolizing inhalator
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 陈庆堂
- Publication Date
- 2005-09-14
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a medical device, in particular to a dry powder inhalation device, in particular to a dry powder aerosolization inhaler capable of aerosolizing medicinal powder. Background technique
[0002] At present, the existing dry powder inhalers have various structural forms, but there are three main problems: one is that the dry powder inhalation rate is low, and research shows that only 8-16% of the drug particles can enter the airway and lungs; Dry powder is easy to be blown out of the device. Some dry powder inhalers have powder to be inhaled in bulk near the nozzle mouth. Once exhaled into the nozzle mouth, especially the elderly and children often exhale involuntarily when using it, the dry powder is easy to be blown off; The third is that some suction nozzles are difficult to clean, and the pollutants on the suction nozzles will cause cross-infection. Contents of the invention
[0003] The purpose of the present invention is t...