FIELD: medical equipment. SUBSTANCE: proportioning pump has driven engine, roller pump, controlled generator, one-shot multivibrator and sensitive element. The first and the second AND circuit, the first and the second OR circuit, the first and the second NOT circuit, the first to the third counters, comparison circuit, trigger, analog switch and variable voltage generator are introduced into the proportioning pump additionally. EFFECT: improved precision of intravessel infusion. 2 dwg
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Authors
Dates
1994-09-15—Published
1991-11-06—Filed