| 摘要 |
<p>Powder inhalation device comprising a body (10) provided with a dispensing port, at least one reservoir containing a dose of powder to be dispensed, reservoir opening means for opening a reservoir upon each actuation, a dispersion chamber (70) comprising an outlet (720) connected to said dispensing port and an inlet (710) connected to said opening means and receiving the dose of powder from said open reservoir, wherein said dispersion chamber (70) contains at least one moving part (75), such as a ball, said dispersion chamber (70) comprises a peripheral ball track (730) and an air passage (760) separate from and concentric with said ball track (730) and positioned radially outwards therefrom.</p> |
