Automatic self-dispensing accurate dose drug delivery syringes

An automated dose control mechanism for a syringe having a barrel and a plunger seal, the dose control mechanism comprising:

• a plunger assembly adapted to be connected to the syringe to provide movement to the plunger seal, the plunger assembly including a housing and a plunger rotatable relative to the housing;
• and
• an automatic administration assembly including
• an administration mechanism adapted and disposed to provide movement to the plunger assembly, the administration mechanism including a selection dial and a biasing member, the biasing member having an anchor end coupled to the housing and a rotatably mounted end coupled at least one of the selection dial and the plunger, the selection dial configured to rotate the plunger to set a dose volume and rotate the rotatably mounted end of the biasing member,
• a locking mechanism configured to engage the selection dial and adapted to be selectively disposed in an engaged position and a disengaged position, wherein the engaged position prevents the administration mechanism from providing movement to the plunger assembly, and the disengaged position does not prevent the administration mechanism from providing movement to the plunger assembly, and
• an actuator, the actuator disposed to selectively disengage the locking mechanism whereby the administration mechanism provides movement to the plunger assembly when the locking mechanism is disengaged without requiring further actuation.