Medicament respiratory delivery device
US7270127B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2002 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Oct 4, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medicament respiratory delivery device including a housing formed of opposed thermoformed polymeric sheets bonded together having formed therebetween a chamber having a medicament cartridge encapsulated between the sheets, an inlet aligned with a passage through the cartridge having a pierceable closure and an outlet aligned with the passage outlet having a burstable membrane. The device includes a pressure actuator formed as a blister between the sheets and a piercing element having a bow-shaped actuator portion and a shaft which pierces the pierceable closure upon actuation of the pressure actuator, delivering fluid under pressure to the cartridge passage, rupturing the membrane and expressing the medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.