DEVICE USED DURING INJECTION OF LIQUIDS INTO AMBULATORY PATIENT, DEVICE FOR USING IN INJECTION OF CURATIVE AGENT WITH CONTROLLABLE NORM OF CONSUMPTION (VERSIONS) Russian patent published in 1999 - IPC

FIELD: medical engineering. SUBSTANCE: devices are used for mixing of parenteral liquids prescribed for injection into clinical patients at specific norms of consumption within long periods of time. Devices are made in the form of compact laminated construction with low profile. They include flexible widening membrane or membrane assembly which forms liquid chamber in combination with thin flat base. Liquid chamber has outlet for liquid. In some examples of devices this membrane or membrane assembly penetrable for liquid is positioned inside liquid chamber. EFFECT: enhanced control of liquid flow. 37 cl, 49 dwg