Lock applied to setting and priming function after dispensing the last dose
US8562570B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2009 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Mar 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31508
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injection device having a safeguard for preventing a filling or adjusting motion of the injection device when a prescribed dispensing motion has been performed, the injection device including an adjusting element and/or a filling element, a blocking mechanism including a first blocking element and a second blocking element, the blocking mechanism allowing a motion of the adjusting and/or filling element in a release position and preventing the motion in a blocking position, and a piston rod including a block trigger element that can bring one of the blocking elements into interaction with the other blocking element thereby creating a blocking position at a prescribed insertion position to cause a blocking of at least one of the adjusting element and/or the filling element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.