Patent ID: 7731703

Claim:
A medical bag formed of a flexible material, comprising: a front bag part; a rear bag part, wherein the front bag part and the rear bag part are joined together to form a bag body; a closable liquid inlet port provided in an upper part of said bag body; a retainable deformable elongated member provided in the vicinity of said liquid inlet port on at least one of the front and rear bag parts, the retainable deformable elongated member defining an axis and being deformable by a hand of a user between a substantially straight position and an arched position; and two grasping hole parts at opposite ends of and along the axis of the retainable deformable elongated member, the retainable deformable elongated member configured such that when the hand of the user pushes the grasping hole parts axially toward each other, the retainable deformable elongated member is deformed into the arched position to keep the liquid inlet port in an open position, and such that when the hand of the user pulls the grasping hole parts axially away from each other, the retainable deformable elongated member is deformed into the substantially straightened position for closing the liquid inlet port.