Drug delivery system including holder and drug container

A system for delivering at least one substance in at least two doses, comprising:

• a drug container including a barrel, a first end extending from said barrel, and a stopper slidably positioned within said barrel;
• a holder having a distal portion including at least one pair of ribs and a proximal portion having at least one pair of slots with the drug container secured therein;
• means for controlling the delivery of a substance contained in the barrel of the drug container whereby upon activation of said system, said portions of said holder move toward one another upon the application of a minimum force and said stopper moves a preselected axial distance to expel at least a portion of said substance from said drug container;
• said pair of slots including a first slot and a second slot extending axially along the body of the proximal portion of the holder generally parallel to each other and dimensioned and situated to accommodate said ribs of said distal portion so that one of said ribs is insertable into each slot and able to travel along said slot upon activation of the system.

A system for the nasal delivery of a substance, comprising:

• a syringe including a barrel, a first end extending from said barrel, said first end including a spray nozzle having an opening for dispensing the substance from said barrel, and at least one stopper slidably positioned within said barrel;
• a holder having a distal portion including at least one pair of ribs and a proximal portion having at least one pair of slots, each having a generally tubular interior configuration to accommodate said syringe, with the distal portion being able to be assembled to the proximal portion, which acts as a plunger rod during activation of the system;
• means for controlling the delivery of said substance including a plurality of slots extending axially along at least one of said portions of the holder whereby upon activation of said system, said portions of said holder move towards one another upon the application of a minimum force and said stopper moves a preselected axial distance to expel at least a portion of said substance from said syringe, with said preselected axial distance corresponding to about half the distance that said stopper is capable of moving within said barrel to administer about half of said substance contained by said syringe barrel;
• and
• said slots in said proximal portion of said holder including two corresponding sets situated on each side thereof, with each set including a first slot and a second slot extending axially along the body of the proximal portion of the holder generally parallel to each other and dimensioned and situated to accommodate said ribs so that said ribs are insertable into the slots and able to travel along the slots upon activation of the system.