| 摘要 |
<p>An aerosol canister (10) for containing a medicinal aerosol formulation, comprising: a vial body (12), a first seal (16), a second seal (22), and a valve ferrule (14), wherein the vial body (12) has walls defining a vial opening (26), the valve ferrule (14) occludes the vial opening, and the vial body (12), the first seal (16), and the valve ferrule (14) define a chamber (60), and the valve ferrule (14) and vial body (12) are in opposing sealing engagement with each of the first and second seals (16,22) and wherein the first seal (16) provides a barrier to one or more medicinal aerosol formulation components to which the second seal (22) is more labile to said one or more formulation components than the first seal. <IMAGE></p> |
