PROBLEM TO BE SOLVED: To provide a connection device which is capable of attaching a blood pressure measurement cuff to a measurement target so as to suitably measure a blood pressure and preventing the cuff from being twisted.SOLUTION: A cuff connection device 100a comprises an auxiliary belt 1 which includes plural belt-like or string-like members and interconnects a cuff 10 and a measurement base 23.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】適切な血圧測定ができるように血圧測定用カフを取り付け対象に取り付けられるとともに、上記カフのねじれを防止できる接続器具を提供する。【解決手段】カフ接続器具100aは、カフ10と測定台23とを接続する、帯状または複数の紐状部材を含む補助帯1を備えている。【選択図】図2