Injection device
US6042571A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1997 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Jul 1, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31596
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device comprising a) a housing, b) a cartridge containing a preparation or precursor components for the preparation and having a front part and a rear part defining a general cartridge axis, an outlet for the preparation arranged at the front part and at least one movable wall arranged between the front part and the rear part, a displacement of which wall causes the preparation to be moved towards or expelled through the outlet, c) a piston rod, having a first end and a second end, at least partly contained within the housing and being operable to engage and displace the movable wall at its first end and d) actuating means within the housing arranged to move at least the rod. According to the invention the device comprises gripping means connected to the housing and arranged to hold the cartridge, or an enclosure therefore, with its front part distal and its rear part proximal to the housing, the actuating means being arranged to move the gripping means so as to move the cartridge, with its rear part leading, relative the housing, locking means able to lock the cartridge against axial movements relative to the housing, hereby defining a locked position for the cartridg…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.