Injection device
USRE50441E1 · kind E1 · reissue
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2022 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Jul 29, 2042 |
Classification
- Technology area (CPC —)General
Abstract
The invention relates to an injection device comprising a housing, a container holder arranged within said housing, the container holder being configured for accommodating a medicament container having a needle attached to one end thereof and a stopper sealingly and slidable arranged inside the medicament container at the other end thereof, a drive unit comprising a plunger rod and plunger drive means, the plunger drive means being slidable arranged in relation to the plunger rod, being rotationally locked to the plunger rod and being rotatable in relation to the housing, said drive unit further comprising a first energy accumulating member arranged in the interior of the housing of the injection device and adapted to accumulate and store energy, wherein said plunger drive means is operationally associated with said first energy accumulating member, wherein the plunger drive means is releasable such that due to an output torque from said first energy accumulating member, the plunger drive means are allowed to be rotated and the plunger rod is urged towards the proximal end of the injection device whereby an injection is performed, and a rotary injection indication mechanism configu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.