Patent ID: 8869635

Claim:
A transfer device comprising: an outer housing ( 24 ); a wall ( 30 ) extending across an interior of said outer housing to thereby form an upper chamber and a lower chamber, said wall having at least one opening ( 29 ) therein; an inner body ( 26 ) formed in said upper chamber, a conduit ( 66 ) extending through said inner body to provide fluid communication between said upper and lower chambers, said conduit having a piercing tip ( 68 ) at a lower end thereof; a cap ( 54 ), said cap having a top wall ( 56 )and a downwardly extending side wall ( 58 ), said top wall ( 56 ) extending across said upper chamber, said side wall ( 58 ) extending downwardly between said outer housing ( 24 ) and said inner body( 26 ); and a pushing member ( 44 ) having a bottom wall ( 46 ) and at least one leg ( 48 ) extending upwardly therefrom, said pushing member ( 44 ) having an unactivated position wherein said pushing member is located in said lower chamber, and an activated position wherein said at least one leg ( 48 ) extends through said at least one opening in said wall ( 29 ) extending across the interior of said outer housing, the arrangement being such that when a vial ( 12 ) is inserted in said lower chamber, said pushing member ( 44 ) is moved from an unactivated position to an activated position such that said at least one leg ( 48 ) will push on said side wall ( 58 ) of said cap ( 54 ) to raise said top wall of said cap above said outer housing ( 24 ).