Injection device
US9381307B2 · kind B2 · utility
5Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2011 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Jul 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device includes a housing (40) for containing a syringe or cartridge (14) of medicament; a rotary drive shaft (20) for being rotated by an adjustable preset amount to cause expression of a corresponding amount of medicament from the syringe or cartridge; a torsion drive spring (24) anchored at one end region relative to the drive shaft (20) and, at its other end region being secured to a fitting (44) adapted to non-rotatably engage a seat (48, 50) on the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.