Propelling device for a piston in a container containing a liquid medicament
US7066909B1 · kind B1 · utility
512Cited by
38References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1998 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Apr 22, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31518
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for administering a substance, including a housing, a piston, a container and a propelling device, the propelling device including a base element, a first shifting stage shiftable relative to the base element, and a second shifting stage shiftable relative to the base element and to the first shifting stage and slaving the first shifting stage, wherein the propelling device, container and piston are operably coupled to the housing and the first shifting stage is in contact with the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.