| 摘要 |
<p>An inhalation type drug dispenser, wherein an expansion chamber block (14) is installed in a block mounting hole (13A) of an inhalation port (13) and a drug powder diffusion chamber (17) is provided in the expansion chamber block (14), drug powder inlet openings (17A) are formed in the drug powder diffusion chamber (17) on the inhalation port (13) side and drug powder outlet openings (17B) are formed on a capsule storing hole (9) side, and diffusion chamber inlet paths (18) allow outlet side ventilating paths (12) to communicate with the drug powder inlet openings (17A) and the diffusion chamber outlet paths allow the drug powder outlet openings (17B) to communicate with the inhalation port (13), whereby, when drug powder in the capsule storing hole (9) is inhaled by breathing in from the inhalation port (13), a back flow vortex occurs in the drug powder diffusion chamber (17), and the back flow vortex can finely break even lump-shared drug powder so that pulverization of drug powder can be promoted.</p> |
