PROBLEM TO BE SOLVED: To provide a medical bag with a new structure, which facilitates holding of an opening in an open state with one hand, while dispensing with troublesome operation of inserting fingers to respective outsides of two resin sheets constituting the opening, respectively.SOLUTION: In a bag-like medical bag 10 having a storage area 12 of a liquid body in its inside, a front face side sheet 14 and a rear face side sheet 16 superposed on each other are fixed at a lower side part and both side parts, and the storage area 12 opened upward is formed between superposing surfaces of the front face side sheet 14 and the rear face side sheet 16； and on the other hand, a rigid member 26 having deformation rigidity larger than those of the front face side sheet 14 and the rear face side sheet 16 is provided on an opening part 25 of the storage area 12； and an insertion part 36 into which the fingers are inserted from a lateral side is positioned and provided outside the rigid member 26 in only one side of the front face side sheet 14 and the rear face side sheet 16.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】開口部を構成する２枚の樹脂シートの各外側にそれぞれ指を挿入するような面倒な操作を不要としつつ、開口部を片手で開口状態に保持することが容易とされる、新規な構造の医療用バッグを提供する。【解決手段】液状体の収容領域１２を内部に備えた袋状の医療用バッグ１０において、互いに重ね合わされた表面側シート１４と裏面側シート１６が下辺部分と両側辺部分で固定されて、上方に開口する収容領域１２が表面側シート１４と裏面側シート１６の重ね合わせ面間に形成されている一方、収容領域１２の開口部分２５には、表面側シート１４と裏面側シート１６よりも変形剛性が大きくされた剛性部材２６が設けられていると共に、表面側シート１４と裏面側シート１６の何れか一方の側にのみ、横方から手指を挿し入れる挿入部３６が、剛性部材２６の外側に位置して設けられている。【選択図】図２
