PROBLEM TO BE SOLVED: To automatically call another medical worker without performing the operation of calling another medical worker only in the case when the possibility that a patient present in a bed suddenly gets off the bed and attacks a medical worker present near the bed is high.SOLUTION: A nurse call system includes: a circumference detector 3 for detecting a person present around a bed and a reader 5 for reading radio equipment identification information from radio equipment 4 carried by a medical worker present around the bed. Only when the state of reading the radio equipment identification information is shifted to the state of not reading it and a person present around the bed is detected before leaving of the medical worker is detected from that point of time, the other medical worker is called. When the person present around the bed is detected in the state of reading the radio equipment identification information, when the person present around the bed is detected without reading the radio equipment identification information, and when the medical worker escapes to the outside of a sickroom before detecting the person present around the bed, the other medical worker is not called.COPYRIGHT: (C)2012,JPO&INPIT【課題】 ベッドに居る患者が突然ベッドを降りてベッド近傍に居る医療従事者に対して暴行を加える可能性が高い場合にのみ、他の医療従事者を呼び出す操作を行わなくても、自動的に他の医療従事者を呼び出すことができる。【解決手段】 ベッド周辺に居る人を検出する周囲検出装置3、ベッド周辺に居る医療従事者が携行する無線機4から無線機識別情報を読み取る読取装置5を設ける。無線機識別情報を読み取っている状態から読み取っていない状態に移行し、その時点から医療従事者の退室を検出するまでの間にベッド周辺に居る人を検出した場合にのみ他の医療従事者を呼び出す。無線機識別情報を読み取っている状態でベッド周辺に居る人を検出した場合、無線機識別情報を読み取らずにベッド周辺に居る人を検出した場合、ベッド周辺に居る人を検出する前に医療従事者が病室の外へ逃げた場合に他の医療従事者を呼び出さない。【選択図】 図1