Automatic injection device with torsional spring
US9138542B2 · kind B2 · utility
32Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2011 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Jan 19, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/202
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A semi-automatic “fixed” dose injection device is disclosed containing a reservoir of medicament, where a trigger controls the unwinding of a torsional spring to cause a predetermined injection of medicament from the reservoir through a disposable needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.