Powder inhaler with suction actuated locking means
US5447151A · kind A · utility
139Cited by
10References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1993 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Apr 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/6081
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A powder inhaler comprising a box (1) in which a suction channel (84) is formed enabling a user to inhale a powder, the inhaler being characterized in that it includes a pusher (2) associated with a return spring (83), actuation thereof enabling a dose of powder to be brought into a position enabling it to be sucked into the suction channel (84), and in that the box (1) includes a locking mechanism enabling the pusher (2) to be locked after it has been actuated, and enabling it to be unlocked when the user sucks up the dose of powder in the channel (84).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.