Patent ID: 6533758
Filing Date: 2003-03-18
Classification: A61M,Y10S

Abstract:
An adapter assembly for an injector of the type having an injector housing and a drive ram extendible from the injector housing for moving a plunger within a syringe, comprising:a housing, a channel in said housing for receiving a rearward end of a syringe, a mount on the housing in a portion of said channel, said mount cooperable with mounting structure on a rearward end of a syringe, so that a syringe may be inserted into and rotated in the channel, to thereby lock a syringe to the adapter assembly, one or more locking pins on a collar, said collar positioned within an aperture of said housing in communication with said channel, said one or more pins being movable between a locked position in which said one or more pins extend across said channel, to block mounting structure of a syringe from rotating in said channel and thereby prevent a syringe from being mounted to or dismounted from the adapter assembly, and an unlocked position in which said one or more pins do not extend across said channel and do not block mounting structure of a syringe from rotating in said channel, and a cap incorporated in said aperture, said cap moving said collar and said one or more locking pins between said locked and unlocked positions, said cap moving said one or more locking pins into their locked position whenever a ram of an injector within said adapter is in a predetermined position.