Auto-injector
US7442185B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2001 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Sep 1, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/208
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for auto-injection of a dose of medicament, comprises a housing arranged to contain a medicament container therein and a contact part intended to be applied against an injection site, a needle cover surrounding a needle arranged to the medicament container and extending at least the length of the needle, spring elements for, upon activation, pushing the needle past the end of the cover as well as operating the medicament container to supply the dose of medicament, first locking elements for locking the spring elements in a pressurized state, first activating elements for, upon manual operation, releasing the spring elements for injection. There is a second locking element capable of locking the first activating element and a second activating element, capable of releasing the second locking element when the contact part is exposed to pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.