Device for dispensing medicaments
US4116195A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Feb 10, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An inhalation device for self-administration to a patient powdered medicaments contained in a capsule. A chamber receives a capsule containing a powdered medicament. The chamber has a nozzle through which air from the chamber can be inhaled and the air inlet apertures leading into the chamber and so arranged that the air flow caused by inhalation through the nozzle will cause the capsule to be agitated. A magazine is slidable in the chamber to and from an operative position and is also rotatable in the chamber. The magazine has therein a capsule loading passage and at least one other passage. A capsule piercing needle and a capsule ejecting member are so arranged and positioned inside the chamber that the said passages can be registered as desired with either the needle or the ejector member on rotation of the magazine and so that movement of the magazine to the operative position will cause a capsule in a passage registered with the needle to engage the needle and be pierced by it and will cause a capsule in a passage registered with the ejector member to be engaged by the member thereby to displace the capsule from its passage into the chamber so that the powdered medicament from…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.