Injection pen with mechanical dose display comprising large ciphers
US9452266B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2012 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Nov 15, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3126
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an injection device (1) having a mechanical dose size display wherein a first scale drum (10) carrying a series of first ciphers (11) and a second scale drum (20) carrying a series of second ciphers (21) are both rotatable able and axially moveable relatively to a housing (2) of the injection device in such a way that one of the first ciphers (11) and one of the a second ciphers (21) appears simultaneously in a window provided in the housing (2) thereby informing the user of the set dose. Both the first scale drum (10) and the second drum (20) preferable carries five ciphers (11, 21) around one full circumferential perimeter. The ciphers (11, 21) are provided in different circumferential circles and/or helically provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.