Injection device having a miniaturized drug delivery portion
US9844631B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2013 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/59
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A self-injection device with a miniaturized drug delivery portion is provided. The device includes a housing (10) having an interior volume and the drug delivery portion (20) has a volume enclosed within the housing. The drug delivery portion includes a reservoir (30) containing a fluid to be delivered to a user and a microneedle (22) in fluid communication with the reservoir and extendable through the housing. The drug delivery portion also includes a drive mechanism for expelling fluid from the reservoir through the microneedle, wherein the volume of the drug delivery portion is less than 40% of the interior volume of the housing. The volume of the drug delivery portion may be less than 30% of the interior volume of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.