A threaded rod for an injection device, wherein the rod includes a thread on an external surface, the thread supporting or carrying, at least partially, engaging elements and/or teeth. In one embodiment, the present invention encompasses a dosing mechanism for an injection device, including a rotational...http://www.google.es/patents/US7867202?utm_source=gb-gplus-sharePatente US7867202 - Threaded rod and dose setting mechanism for an injection device
Threaded rod and dose setting mechanism for an injection device
