PROBLEM TO BE SOLVED: To provide a liquid leakage detection system that is low cost and compact by eliminating the need for an external power supply such as a battery for leakage detection of blood or injection from a needling part of a needle.SOLUTION: A liquid leakage detection system includes: a needle-fixing adhesive bandage structure 18 having a bendable positive electrode sheet using oxygen as a positive electrode active material, a bendable sheet-like separator having insulation and holding blood or injection leaked out of a needling part a of a needle 14, and a bendable negative electrode sheet using magnesium as a negative electrode active material, between a surface side bandage 11 and a permeable backside bandage, and having a liquid leakage sensor unit comprising a magnesium cell M stored therein a transmitting unit 19 electrically connected to the liquid leakage sensor unit and transmitting a detection signal by electric power of the magnesium cell M a receiving unit 20 for receiving the detection signal transmitted from the transmitting unit 19 and a receiving terminal 22 having alarm means 21 for issuing an alarm about a liquid leakage state based on the detection signal from the receiving unit 20.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】注射針の穿刺部からの血液または注射液の漏れ検知にバッテリ等の外部電源が不要で、これにより廉価でコンパクトな漏液検知システムを提供する。【解決手段】表側絆創膏11と、透水性を有する裏側絆創膏との間に、酸素を正極活物質とする湾曲自在な正極シートと、絶縁性を有し、かつ注射針14の穿刺部aから漏れた血液または注射液を保持する湾曲自在なシート状セパレータと、マグネシウムを負極活物質とする湾曲自在な負極シートとを有したマグネシウム電池Mからなる漏液センサ部が収納された注射針固定用絆創膏構造体18と、漏液センサ部に電気的に接続され、かつマグネシウム電池Mの電力により検知信号を送信する発信部19と、発信部19から送信された検知信号を受信する受信部20と、受信部20からの検知信号に基づき漏液状態を警報する警報手段21を有した受信端末22とを備えた。【選択図】図1
