| 摘要 |
The subject of the invention is an inhaler capable of guaranteeing precise aspiration and correct dosing of medicines formulated in powder form and intended to be inhaled orally. …<??>This apparatus is essentially comprised of a body (1) provided with a mouthpiece for oral aspiration, associated with a member (2) moved alternately under two opposing actions, one of repulsion by an elastic means (6), the other of attraction by the pressure reduction caused by inhalation of the patient through the mouthpiece, this member carrying along its lateral wall a transfer cavity (3) which its movement places in direct contact, in turn, at the end of repulsion with the lower opening of a product reserve (8) mounted on the body, and at the end of attraction with that of an external air intake (12) which the cavity thus connects via a sufficient channel (13) with the mouthpiece. …<IMAGE>… |
