Apparatus for dispensing a controlled dose of a liquid fluid

Apparatus for nasal administration of a controlled dose of a liquid medication through atomizing the liquid medication, comprising:

• a spray head provided with a spray nozzle through which the liquid medication is delivered;
• fluid-containing means including a syringe which is filled with liquid medication and has a forward portion snugly connected to said spray head and a piston slidably guided in said syringe for delivering the medication;
• encasing means connected to said spray head and completely surrounding said fluid-containing means, with said piston being initially in retracted position, said encasing means including at least two telescopic tubular members slidable relative to each other between an extended position and a fully depressed position for actuating said piston;
• and
• control means for stepwise actuation of said piston to allow delivery of a controlled dose of liquid medication into each nostril, said control means including at least one groove-pin arrangement by which said tubular members are lockable relative to each other in the extended position and in at least one intermediate position before reaching the fully depressed position.