FIELD: medicine, life-saving means.
SUBSTANCE: invention relates to field of life-saving means on water. Life-saving means contains float, base, baro-sensitive element. Base is fixed on person's body or clothes. Float is connected with base by means of strong thread and is fixed on it with baro-sensitive element. If drowning person immerses to depth 1-1.5 m float is released and comes to the surface, remaining tied to base with thread. Float that came to the surface signals about an accident, pointing to its exact location, thread allows to pull drowning person to the surface. For great depths there is connected with cord life-saving load. Life-saving load is let move down on thread, is connected with base via enforced lead and allows to pull the person by means of cord.
EFFECT: invention accelerates and facilitates saving of already drown person.
13 cl, 5 dwg
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