Injector device and method for its operation
US6562006B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2000 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Apr 14, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31595
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Injector device, and method for its operation, for containers of syringe type, comprising a barrel of axially roughly constant cross-section, a front opening and at least one movable wall inserted in the barrel for displacement of a container content, the injector comprising a) a housing or housing part arranged to receive the container at least axially stationary, b) an integral or composite piston rod arrangement operable to displace the container movable wall at least in the forward direction and c) a track system for controlling or sequencing the piston rod movements, the track system comprising at least one cooperating track and follower, the cooperating track and follower being arranged stationary with respect to the housing and the piston rod respectively, or vice versa, and in cooperation allowing at least one forward for the piston rod. The track system comprises arrangements initiation, dose setting and expulsion of container content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.