To prevent inactive foreign matters from being produced in liquid contents and to prevent content of principal component of medicine from declining by a method wherein a layer of inactive material is formed at least at the internal face of a containing part of a container main body of a synthetic resin container such as a bag for transfusion liquid containing medicine.
A container main body 3 of a bag for a transfusion liquid is formed in a baglike shape by sticking two polyethylene resin films 2, 2 together. These two sheets of films 2, 2 are stuck together by heat sealing at their peripheries for forming the container main body 3 that is divided into two containing parts 7 at upper and lower positions with a weak sealing part 6 having a weak peeling strength provided at the middle in the vertical direction. An inactive material layer 10 made of a fluoroplastic film is laminated on the inside of the film of the upper containing part 7a while the periphery of a projecting stripe 11 formed on the outside of the film of the upper containing part is impregnated with the external polyethylene resin material, and thereby joining strength is improved. Then, a powdered medicine 12 is housed in the upper containing part 7a and a dissolution liquid 13 is housed in the lower containing part 7b.
ARIMOTO MASASHI
INOUE YUICHIRO
