Syringe device
US7740618B2 · kind B2 · utility
9Cited by
5References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2005 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Apr 4, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/2026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A ratchet-free and gear-free one-to-one mechanism for setting a dose in a syringe device comprising a dose setting member adapted to be rotated along a piston rod with a threaded outer surface so as to set a dose to be ejected.During dose setting the piston rod is locked such that rotational movement of the dose setting member does not result in rotational movement of the piston rod.During dose ejection the piston rod and the dose setting member are locked in relation to each other such that translational movement of the dose setting member causes relative rotational and translational movement of the piston rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.