A method for controlling the accuracy of the drug supply of a powder mist drug delivery device
A drug delivery device and a technology of powder mist, which is applied in the field of controlling the accuracy of the drug supply of the powder mist drug delivery device, can solve the problem of convenience in design and adjustment of mechanical structure parameters that do not have the adaptability of the type of medicine, and cannot be well adapted, Problems such as poor fluidity index parameters, etc., meet the requirements of reducing material strength, good vibration effect, and the effect of manufacturing reduction
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[0067] The present invention will be further described below in conjunction with the drawings.
[0068] Combine Figure 1 to Figure 6 It can be seen that the technical solution of the present invention provides a method for controlling the accuracy of the amount of medicine supplied by a powder aerosol drug delivery device. The powder aerosol drug delivery device includes a powder that is arranged in the housing of the drug delivery device. The storage container and the drug delivery metering assembly are provided with a suction nozzle on the outside of the housing, and a flow channel component is arranged inside the housing, and the flow channel component is connected to the air inlet, the drug delivery metering assembly and the suction nozzle in sequence; The point is:
[0069] The drug delivery device casing is composed of an upper cover 16, a middle casing 6 and a lower casing 1 which are coaxially fitted in sequence, and a screw cap 8 is provided at the lower end of the lower ...
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