PROBLEM TO BE SOLVED: To inexpensively provide a less-malfunction and highly-reliable prediction of a bed users getting out of a bed by acquiring the bed users posture and weight with few resources.SOLUTION: An apparatus for measuring a bed users load at a plurality of points on a surface of a bed or the like, estimating the bed users posture by the acquired load and the center of gravity and predicting the bed users getting out of a bed, includes: a means for dividing the whole bed surface into 2-4 areas, wherein respective divided areas have panels retained by a plurality of load measuring means for measuring load signals, and computing respective loads of the respective divided areas, and gravity centers of the respective divided areas from the plurality of acquired loads a means for determining a probability of the users getting out of the bed based on the acquired loads of the areas and the gravity centers of the areas and an external output means for a nurse call button or the like.COPYRIGHT: (C)2010,JPO&INPIT【課題】ベッド利用者の体位と体重を少ないリソースで取得し,誤作動が少なく信頼性の高い離床予測を安価に提供することを目的とする。【解決手段】ベッド等の寝床面で,ベッド利用者の荷重を複数点で測定し,得られる荷重や重心からベッド利用者の体位を推定し離床予測を行う装置において,寝床面全体を2~4個の領域に分割し,各分割領域に荷重信号を計測する複数の荷重計測手段により保持されるパネルを有し,得られた複数の荷重から各分割領域それぞれの領域荷重と各分割領域それぞれの領域重心を演算する手段と,得られた領域荷重と領域重心から離床の可能性を判断する手段と,ナースコール等への外部出力手段とを有する離床予測システムを提供する。【選択図】 図3
