Patent ID: 11911600
Assignee: BECTON DICKINSON FRANCE S.A.S.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An injection device for injecting a composition contained in a medical container comprising:
a body configured to receive the medical container in a fixed position relative to the body;
a spring-loaded piston rod translationally movable inside the body along a spring axis, between a proximal rest position and a distal operative position wherein the spring-loaded piston rod engages a stopper of the medical container; and
a selective blocking mechanism comprising a braking member selectively tiltable at any time during the injection relative to the spring-loaded piston rod between:
a blocking position wherein the braking member impinges on the spring-loaded piston rod so as to prevent any translational movement of the spring-loaded piston rod in a distal direction by a bracing effect, wherein the bracing effect is caused by a friction force exerted by the braking member onto the spring-loaded piston rod; and
a releasing position wherein the braking member disengages from the spring-loaded piston rod so as to allow the spring-loaded piston rod to move towards the distal operative position under a spring force.