PROBLEM TO BE SOLVED: To provide a device detecting a posture such as a supine position, a right side-lying position, a left side-lying position, a sitting position, a leaning position, or a standing position of a care receiver, and notifying a caregiver of the posture as quantitative information.SOLUTION: An in-bedding posture detection device includes: pressure-sensitive switches 30, 31, 32 and 33 for detecting at least a supine position, a right side-lying position, a left side-lying position, and a sitting position, respectively, which are disposed in the vicinity of the periphery of a pelvis outside a diaper of a care receiver posture frequency counting means 41 for detecting the respective postures, a leaning position, and a standing position on the basis of a contact or shutoff state of each pressure-sensitive switch, and counting the number of posture changes of the care receiver time totaling means 42 totaling, for each posture, an appearance time of each posture on the basis of the contact or shutoff state of each pressure-sensitive switch and arithmetic display means 5 displaying, as care assistance information, the number of the posture changes counted by the posture frequency counting means and the total times totaled, for each posture, by the time totaling means.COPYRIGHT: (C)2014,JPO&INPIT【課題】被介護者の仰臥位、右横臥位、左横臥位、座位、寄り掛かり位、立位などの姿勢を検知し数量的情報として介護者に報知する装置を提供する。【解決手段】被介護者のおむつの外側で骨盤の周辺付近に配設した少なくとも仰臥位30と、右横臥位31と、左横臥位32及び座位33を検出するための感圧スイッチと、これらの各感圧スイッチの接或いは断状態に基づいて前記の各姿勢と寄掛位及び立位を検出し被介護者の姿勢変化回数を計数する姿勢回数計数手段41と、前記各感圧スイッチの接或いは断状態に基づいて各姿勢の出現時間を各姿勢について累計する時間累計手段42と、前記姿勢回数計数手段が計数した姿勢変化回数および前記時間累計手段が各姿勢について累計した累計時間を介護援助情報として表示する演算表示手段5を備えている。【選択図】図5