Patent ID: 9132236
Filing Date: 2015-09-15
Classification: A61M

Abstract:
1. An injection device, comprising: a housing; a container holder arranged within the housing and configured for accommodating a medicament container having a needle attached to an end of the medicament container and a stopper sealingly and slidably arranged inside the medicament container at the other end of the medicament container; a drive unit, comprising: a rotary injection indication mechanism configured for indicating a progress of the injection, wherein the rotary injection indication mechanism comprises a signaling member and an indication drive mechanism for rotationally driving the signaling member, the indication drive mechanism being coupled to the plunger drive mechanism at a distal end of the plunger drive mechanism, and the rotary injection indication mechanism being arranged such that the progress of the injection is indicated through at least one opening provided at least in a distal end surface of the housing; and the indication drive mechanism includes a planetary gear assembly, and a solar wheel of the planetary gear assembly is coupled to the plunger drive mechanism.