DRUG DELIVERY DEVICE Russian patent published in 2017 - IPC A61M5/20 

FIELD: medicine.

SUBSTANCE: device contains a body. The body is arranged to accommodate a drug container, a drive unit located to influence the drug container locate in the housing to displace a drug dose. The drive unit comprises a plunger rod and a power member operatively associated with the plunger rod for driving the plunger rod to displace the drug dose, a connector provided with retention elements cooperatively releasable with a plunger rod for retention with a possibility to release the plunger rod, an actuating member configured to axially move relative to the retention elements from the locked position to a released position, a manually operated actuator configured to axially move relative to the housing and operatively associated with the actuator. The actuator is arranged to move the actuator from the locked position to the released position during operation, a safety device comprising safety elements located to be movable between the locking position and the unlocking position of the actuator. In the locking position, unintentional release of the plunger rod is prevented and the manually operated activator operatively associated with the safety device for moving the safety elements from the locking position to the unlocking position during operation.

EFFECT: increased application convenience.

8 cl, 11 dwg