Injection device and assembly method
US10201662B2 · kind B2 · utility
1Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2014 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Jan 30, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device includes a housing containing a cartridge containing a medicament and a movable bung. The housing includes an inner thread. The injection device includes a piston rod for moving the bung during dose dispensing. The piston rod includes an outer thread engaging the inner thread of the housing a bearing at its end facing the bung. The injection device further includes a driver coupled to the piston rod for driving the piston rod during dose dispensing. In the unused delivery state of the device, the bearing abuts the bung. The invention further refers to an assembly method for such an injection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.