Injection device
US6277101A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1998 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Jun 18, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31563
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device for injecting a preselectable dose of a liquid substance from an ampoule (2) with a stopper (12) located in an ampoule-holder (1) has a sleeve-shaped mechanism holder (3) mechanically linked to the stopper (12) and containing a sliding rod (4) which acts on the ampoule (2). The sliding rod (4) is surrounded by a sliding sleeve (5) mechanically coupled to the ampoule (2) and closed at its upper end by a lid (7). A dosing sleeve (13) is provided with a stepped member (13) arranged at the upper end of the mechanism holder (3) to preselect the dose of liquid substance to be injected. The dose to be administered can be adjusted by turning the dosing sleeve (6) provided with the stepped member (13).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.