APPARATUS FOR INJECTING LIQUID MEDICINAL DRUGS Russian patent published in 2002 - IPC

FIELD: medical equipment. SUBSTANCE: apparatus has compressible flexible vessel for liquid, discharge tube for connecting vessel with patient, and pressure system for compressing said vessel. Pressure system has mandrels for embracing compressible vessel. Compressive force applied by mandrels is provided by means of vacuum springs, which tighten mandrels, and is transmitted in the form of pressing force applied to vessel for creating excessive pressure inside vessel to provide for replacement of liquid from vessel. Method may be used for intravenous injection of infusion solutions. EFFECT: increased efficiency by constant preparation injection speed, independent operation and improved safety for patient. 5 cl, 4 dwg