Patent ID: 9669158
Date: 2017-06-06
CPC Classifications: A61M,F04C

Claim:
1. An auto-injector comprising: a cassette unit comprising an identifier and a cassette unit housing defining a cassette unit housing cavity, said cassette unit housing cavity arranged for receipt of a syringe comprising: a drive unit comprising: wherein said drive unit is arranged for initial receipt of the cassette unit at an intermediate pre-docking position and for subsequent transport of the cassette unit to the docking position, wherein said drive unit is arranged for verification of the cassette unit at the intermediate pre-docking position, wherein the drive unit is arranged such that transport of the cassette unit to the docking position is permitted only following positive verification of the identifier at the intermediate pre-docking position, wherein at the intermediate pre-docking position, the flexible locking arm does not interact with the locking aperture and at the docking position the flexible locking arm interacts in locking fashion with the locking aperture to lock the cassette unit within the cassette unit holder, wherein the drive unit further comprises a holder frame defining a pusher arm, wherein in the intermediate pre-docking position said pusher arm of said holder frame is spaced from, and therefore does not interact with, the flexible locking arm of the cassette unit holder, and wherein in the docking position the pusher arm interacts with the flexible locking arm to push the flexible locking arm of the cassette unit holder into locking interaction with the locking aperture of the cassette unit.