FIELD: medical engineering. SUBSTANCE: device has vacuum pump 1, float chamber 2 with float 3 and sensitive member, rarefaction degree controller 5 having, in particular, movable container 6 and scale 7, protecting can 8 with filter 9, collector can 10. Safety device 20, switch 21 kinematically bound to member 4 and currency transducer 22 are introduced into power supply circuit of pump 1. EFFECT: prevented undesirable side effects; excluded traumatic injuries. 2 cl, 5 dwg
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