PROBLEM TO BE SOLVED: To provide a cuff for a blood pressure information measurement instrument which allows a fixing tool to be suitable for the various shapes of a region to be measured, and to actuate sufficient pressure force onto the region to be measured, and to provide a blood pressure information measurement instrument.SOLUTION: The cuff includes: an air bag 150 and the fixing tool 20 which is wound around a wrist and attaches the air bag 150 onto the wrist. The fixing tool 20 includes: a plurality of fixing tool parts 22 and a ratchet belt 33. The fixing tool parts 22 have rigidity not to be elastically deformed in the state of expanding the air bag 150, are arrayed in the circumferential direction of the fixing tool 20 to be wound around the wrist, and have mutually the substantially same shapes. The adjacent fixing tool parts 22 are freely turnably connected. The ratchet belt 33 fastens the plurality of the fixing tool parts 22 to the wrist.COPYRIGHT: (C)2009,JPO&INPIT【課題】固定具を様々な被測定部位の形状にフィットさせるとともに、十分な圧迫力を被測定部位に作用させる血圧情報測定装置用カフおよび血圧情報測定装置、を提供する。【解決手段】カフは、空気袋150と、手首に巻回され、空気袋150を手首に装着するための固定具20とを備える。固定具20は、複数の固定具パーツ22と、ラチェットベルト33とを含む。固定具パーツ22は、空気袋150を膨張させた状態で弾性変形しない剛性を有する。複数の固定具パーツ22は、手首に巻回される固定具20の周方向に配列され、互いに略同一形状を有する。隣接する固定具パーツ22同士が、回動自在に連結される。ラチェットベルト33は、複数の固定具パーツ22を手首に締め付ける。【選択図】図4
