FIELD: process engineering.
SUBSTANCE: invention relates to proportioned (distributed) dispensing of inhalation of drugs by nozzle or inhaler, preferably, proportioning inhaler not exploiting compressed gas. Inhaler for dispensing inhalation drug in the form of aerosol incorporates nozzle 12 is made from primordially flat plate 22. Two holes 21 in plate 22 feature round cross-section and hydraulic diameter of 5 to 15 mcm and are produced by laser boring, axes 23 of holes 21 being perpendicular to plate 22. After making the holes 21, plate 22 is deformed by deep drawing so that axes 23 of holes 21 cross at outlet side 24 of nozzle 12.
EFFECT: perfected design, lower costs.
7 cl, 5 dwg
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Authors
Dates
2013-10-20—Published
2009-01-16—Filed