Patent ID: 7225949

Claim:
A liquid drug container comprising a container body ( 1 ) having a mouth ( 12 ) and being deformable under the pressure, a cap-shaped nozzle member ( 2 ) liquid-tightly mounted on the mouth ( 12 ) of the container body ( 1 ), and a nozzle cap ( 6 ) mounted on the nozzle member ( 2 ), wherein said nozzle member ( 2 ) comprises a top wall ( 22 ) covering the mouth ( 12 ) of said container body ( 1 ), a skirt portion ( 21 ) extending from a peripheral portion of the top wall ( 22 ) toward a proximal end of the nozzle member ( 2 ), and a nozzle ( 23 ) extending from a central portion of said top wall ( 22 ) toward a distal end of the nozzle member ( 2 ), wherein said nozzle member ( 2 ) has a nozzle hole ( 231 ) passing through the top wall ( 22 ) to discharge a liquid drug contained in said container body ( 1 ), and an air hole ( 24 ) passing through the top wall ( 22 ) at a position separated from said nozzle hole ( 231 ) to allow an interior of said container body ( 1 ) to communicate with the outside thereof, wherein said nozzle member ( 2 ) is provided with a disk-shaped filter-mounting member ( 8 ) in said skirt portion ( 21 ), wherein said disk-shaped filter-mounting member ( 8 ) is provided with sets of grooves ( 85 , 87 ) respectively communicated with said nozzle hole ( 231 ) and air hole ( 24 ), wherein said filter-mounting member ( 8 ) is provided with a hydrophilic filter ( 3 ) and a hydrophobic filter ( 4 ), and wherein said hydrophilic filter ( 3 ) is arranged on and welded to one side of said filter-mounting member to cover one set of grooves ( 85 ) communicated with said nozzle hole ( 231 ), while the hydrophobic filter ( 4 ) is arranged on and welded to the opposite side of said filter-mounting member to cover said air hole ( 24 ) and the other set of grooves ( 87 ) communicated with said air hole ( 24 ) as well as to avoid interference from said hydrophilic filter ( 3 ).