Medicinal inhaler drive mechanism
US11040157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Apr 24, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/52
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive mechanism for a medicinal inhaler, the inhaler comprising: a patient port; a canister actuable by the drive mechanism to deliver a dose of medicament to the patient port, the drive mechanism comprising: a follower which moves between a first position in which the mechanism is primed for use and a second position in which the follower engages the canister to deliver a dose of medicament to the patient port, the follower being carried on a rocker plate which pivots as the follower moves between its first and second position, wherein the rocker plate engages a switch when the follower is in its second position to indicate that a dose of medicament has been delivered to the patient port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.