1. A flexible single-chamber or multi-chamber package (10) for containing drugs, containing a suspension valve 11, departing from the upper edge of the specified package, characterized in that said valve 11 includes: a) two rounded slots oriented in a mirror image (1) and ( 2) at an angle of 145-180 °, and one end of each of these slots (1) and (2) is connected by a connecting slot (3), which is essentially rectilinear and having a length of 4-10 times the radius of these rounded slots (1, 2), and b) two oriented in the mirror displaying rounded slots (4) and (5) at an angle of 180-270 °, having a radius of 0.3-0.7 of the radius of the specified slots (1) and (2), with one end of each of these slots (4) and (5) is connected by a connecting slot (6) having a U-shape, c) wherein said slots (1), (2), (4) and (5) are located relative to the common axis of mirror symmetry through the centers of said slots (3) and (6) and the base of the specified U-shaped configuration； and d) the distance from the center of the specified slot (3) and the base of the specified U-shaped configuration corresponds to 0.5-1.5 radius of the specified slots her (1) and (2) .2. Flexible bag (10) according to claim 1, characterized in that the slots (1), (2), (4) and (5) essentially end in the direction of the base of the bag when using it. The flexible bag according to claim 1 or 2, characterized in that the total length of the slots (1), (2) and (3) is sufficient to hold with four fingers of a normal hand.1. Гибкий однокамерный или многокамерный пакет (10) для содержания лекарственных препаратов, содержащий подвесной клапан 11, отступающий от верхнего края указанного пакета, отличающийся тем, что указанный клапан 11 включает:a) две ориентированные в зеркальном отображении округлые прорези (1) и (2) под углом 145-180°, причем один конец каждой из указанных прорезей (1) и (2) соединен соединительной прорезью (3), являющейся по существу прямолинейной и имеющей длину в 4-10 раз больше радиуса указ
