FIELD: medical engineering.
SUBSTANCE: device comprises housing with inner space, indicator and switch mounted in the inner space, flexible cord with a locking member, DC power source, guiding member provided with a space and mounted in the inner space of the housing, and additional locking member secured to the housing. The switch is made of a magnet connected with the end part of the flexible cord and sealed-contact reed relay set in the magnetic field of the magnet mounted for permitting reciprocation inside the space. The housing could be made of the housing of mobile phone.
EFFECT: improved design.
1 cl, 3 dwg
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