PROBLEM TO BE SOLVED: To provide a medical treatment and care apparatus having a disengagement/offset state quantity detection tool capable of detecting omission or disengagement clearly even if its quantity is small.SOLUTION: A medical treatment and care apparatus has a disengagement/offset state quantity detection tool in a feed pipe or/and a wearing part for attaching the tool to a desired body part of a patient, and the disengagement/offset state quantity detection tool comprises: a contact sensor having a soft sheet-like electrode brought into contact with a skin surface along the skin surface by pressure upon the wearing part and measuring capacitance in accordance with a contact state value and a fastener for fastening the contact sensor on the feed pipe and a detection circuit part provided in the fastener and connected electrically with the sheet-like electrode for comparing the contact state value with a predetermined threshold value for decision and producing a decision output.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明の課題は、抜けや外れの量が少なくてもはっきりした検出が可能な外れ・ずれ状態量検知具を備えた医療・介護用装具を提供することである。【解決手段】本発明の外れ・ずれ状態量検知具を備えた医療・介護用装具は、前記装着部への押圧により前記皮膚面に倣って前記皮膚面に接触する柔軟なシート状電極を備えて接触状態量に応じた静電容量を計る接触センサと、これを供給管に固定する固定具と、前記固定具には、前記シート状電極に電気的に繋がり、接触状態量を既定の閾値と比較判定し判定出力を出す検出回路部を備えた外れ・ずれ状態量検知具を前記供給管又は及び患者の所望の身体部に取りつけられる装着部に備えている。【選択図】図1