| 摘要 |
An inhalation device for a powdered medicament contained initially in a container, which device comprises a swirl chamber adapted to receive a medicament container and having air inlets thereinto and a mouthpiece in communication therewith; a container receiving cavity also in communication with said swirl chamber; and piercing means operable to pierce a medicament container when in the cavity and to withdraw from the pierced container, said cavity being provided with obstructive means to prevent the container re-entering the cavity after being pierced. |
