Injection set and injection assistance device
US8308687B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2006 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jun 26, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3267
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an injection assistance device (1) for an injection device (3) comprising one body (2), one needle (7), and one piston plunger (26), characterized in that it comprises: a hollow sleeve (4) receiving the body (2), coupling arrangement (10) for moving the piston plunger (26) from an end-of-insertion position to an end of injection position the coupling arrangement being maintained in a passive state until the end-of-insertion position, spacer arrangement (8) to maintain the piston plunger (26) and the body (2) in an initial position, disengaging arrangement (22, 14, 15, 16) linked with the spacer arrangement (8), the spacer arrangement (8) and/or disengaging arrangement (22, 14, 15, 16; 25, 31) being arranged in order not to free the distal displacement of the piston plunger (26) before the one of the body (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.