FIELD: medicine. SUBSTANCE: pump includes housing of motor 34, cassette 1 for deformable tube 25 formed by housing 31 where revolving rollers are mounted. Boilers set in motion by axle of drive 10 of housing of motor 4 press tube 25. Cassette is provided with unit to exclude errors. This unit contains disk 2 which takes required operating position. Axle of drive 10 sets in motion revolving rollers 15. When at rest, revolving rollers are fixed; disk 2 may be shifted to operating position by means of pin 23 located on lower portion 14 of cassette 1. EFFECT: enhanced efficiency. 9 cl, 9 dwg
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