Auto-injector comprising a resettable releasing safety device
US7118553B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 19, 2005 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | May 19, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/583
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An autoinjector including a housing, a receptacle for an active substance, which receptacle, together with a connected injection needle, is displaceable within the housing by spring force for inserting the injection needle into a patient, a piston displaceable within the receptacle by spring force for expelling the active substance, a transfer mechanism for transferring the spring force to the receptacle and/or to the piston, a holding mechanism for holding the transfer mechanism, a releasing mechanism for causing the holding mechanism to release the transfer mechanism when the releasing mechanism is moved from a first position into a second position, and a resetting mechanism for moving the releasing mechanism from the first position into the second position without during the move causing the transfer mechanism to be released.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.