Auto injector with cartridge locking system
US11524115B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2016 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Feb 19, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/2485
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An auto injector for administering injection of a medicament from a cartridge containing the medicament, includes a housing, a cartridge receiver with a cartridge receiver compartment configured to receive a cartridge assembly including at least one cartridge retention member when the cartridge assembly is inserted through a cartridge receiver opening along a longitudinal axis in a receiving direction, an elongated ejector including an ejector support face for supporting the cartridge or the cartridge assembly and a longitudinal ejector slot extending towards the ejector support face from an ejector rest portion, wherein the elongated ejector is suspended to move along the longitudinal direction and is spring-loaded in the direction opposite of the receiving direction, and an ejector lock supported for turning at least a fraction of a revolution and maintained in a longitudinal position relative to the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.