Needle-free injection devices and drug delivery systems therefor
US7744563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2008 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/2013
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Needle-free injection devices and drug delivery systems are disclosed. The needle-free injection devices may include a drug delivery system, a power source, an activation system, and a disabling element. The drug delivery system may include a needle-free syringe and a drug storage system. The needle-free syringe may include a plunger slidably disposed within an injection chamber. The injection chamber may include an injection orifice, and the plunger may be configured to expel a volume of fluid from the injection chamber through the injection orifice. The drug storage system may include a storage chamber and an outlet. The drug storage system may be frangibly connected to the needle-free syringe with the outlet proximate to and fluidly connected with the injection orifice. The drug storage system may be configured to inject a fluid from the storage chamber through the outlet, through the injection orifice, and into the injection chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.