PROBLEM TO BE SOLVED: To provide an operation switch for a medical transfusion pump apparatus which can surely be operated by one hand, and at the same time, can prevent wrong operations from occurring in the medical transfusion pump apparatus.SOLUTION: The operation switches 21 and 31 which are installed on the medical transfusion pump apparatus 1 are constituted in such a manner that operation sections 13 and 14 which can be operated by positioning thumb and one or two or more fingers other than thumb while being pinched between these fingers are installed, and switch sections 21a, 21b, 31a and 31b for operating the operation switches are installed on at least one operation surface from among a plurality of operation surfaces 13a, 13b, 14a and 14b on which respective fingers are positioned.COPYRIGHT: (C)2012,JPO&INPIT【課題】医療輸液ポンプ装置において、操作スイッチを片手で確実に操作できるとともに誤操作を防止することができる、医療輸液ポンプ装置用操作スイッチを提供する。【解決手段】医療輸液ポンプ装置1に設けられる操作スイッチ21,31であって、親指と、親指以外の1又は2以上の指を位置させてこれら指の間において挟むようにして操作できる操作部13,14を設け、上記各指を位置させる複数の操作面13a,13b,14a,14bの少なくとも1の操作面に、上記操作スイッチを作動させるスイッチ部21a,21b,31a,31bを設けて構成される。【選択図】図3
