Automatic injection device with actively triggered syringe withdrawal
US8308695B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Aug 27, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/583
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an injection device, comprising a housing (10) including a container carrier (16) having a medicament container (18) and a needle (22) attached to the medicament container, a needle shield (12), means for initiating a penetration; penetration means for automatic penetration of needle, means for automatically injecting medicament, means for an automatically withdrawing the needle. The invention is characterized in an active triggering withdrawal mechanism capable of allowing the means for automatically withdrawing the needle to be triggered when the injection device starts to be removed from an injection site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.