Device for protecting an injection apparatus
US7682344B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Mar 23, 2010 |
| Priority date | — |
| Expiry date | Aug 28, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3264
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for protecting an injection apparatus for injecting a product, the said apparatus comprising a needle and a piston connected to an actuating rod surmounted by a piston head, the said device comprising: a support sleeve, a protective sleeve for protecting the needle, first retaining means for holding the protective sleeve in its standby configuration in a first position, second retaining means for holding the protective sleeve in its standby configuration in a second position, an intermediate collar comprising collaboration means for collaborating with the piston head, and deactivation means for deactivating the first and second retaining means. The second retaining means being able to be deactivated by the deactivation means of the intermediate collar by the release of the pressure of the piston head on the collaboration means of the intermediate collar to allow the protective sleeve to deploy under the action of pushing means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.