Injection device for a liquid medicament
US6059755A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1997 |
| Grant date | May 9, 2000 |
| Priority date | — |
| Expiry date | Sep 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/2488
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an injection system including a disposable lower part and a reusable upper part wherein the lower part includes an ampoule holder for accommodating a container containing a liquid medicament and having an axially movable plug having a cross-section F for ejecting the liquid medicament from the container and a kinematic device for axially driving the plug forward by a number N of individual steps x, N being a natural number, and the reusable upper part includes a casing detachably connectable to the ampoule holder, and a dosing button for selecting the number N of individual steps x and for actuating the kinematic device of the lower part which thereby effects selectable ejection of a Volume V=NxF of the liquid medicament from the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.