| abstract |
Describes a drug delivery device comprising a housing, a port (88) which, in its open position, permits inserting a drug container (83) into said housing and removing a port opening mechanism (89, 123, 125, 126) therefrom. , 82) for opening / closing said door (88), and a push member capable of axially moving from a withdrawal position located outside said drug container (83), to enter said door container of drug (83) and to push the liquid drug contained in l for a drug container (83) outside said drug container (83) for administering to a patient, and then returning to its withdrawal position, characterized in that it comprises a locking mechanism (94, 129) for automatically immobilizing at least one a portion of said door opening mechanism (89, 123, 125, 126, 82), to prevent said door opening (88), when said push member is in said drug container (83), and for the automatic release of said opening mechanism i hydride (89, 123, 125, 126, 82) when said push member is in its withdrawal position. |