Dry powder inhaler
US7810494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2004 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Sep 26, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An Inhaler for delivering an aerosolized dose of a powdered drug for inhalation by a user is disclosed. The inhaler comprises a drug entrainment device vice to a receive a package having a piercable lid containing a dose to be delivered, the device including a drug outlet tube terminating with a primary piercing element to pierce an opening in said lid when a package is located in the inhaler, a secondary piercing member to pierce a plurality of peripheral openings in said lid and, an airflow path to enable the supply of a charge of gas into the package via said peripheral openings to scour the interior of a pierced package such that all or substantially all of the dose is entrained in the gas and flows out of the package via the drug outlet tube. A medicament pack is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.