Device for administering an injectable product
US6736795B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Apr 23, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3331
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a device for administering an injectable product, comprising:a) a casing (3);b) a container for said product accommodated by said casing (3)c) a delivering means (2) for delivering product out of said container (1);d) a drive means (8); ande) a transmission link via which said drive means (8) drives said delivering means (2).The device is characterised in that:f) a fluid space (21, 22) for an incompressible fluid andg) a pressure reducing means (3, 10, 23) are provided in said transmission link;h) wherein said fluid space (21, 22) can be impinged on a drive side by pressure from said drive means (8) and said pressure reducing means (3, 10, 23) reduces a fluid pressure generated by said drive means (8) toward a driven side of said fluid space (21, 22).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.