FIELD: medical engineering. SUBSTANCE: device is intended for accurate infusion of medicinal substances into ambulatory patient at definite speed within long periods of time. Device represents compact, low-profile laminated construction. It has flexible stretchable membrane which in combination with thin flat base outlines boundaries for liquid provided with outlet. This membrane permeable for liquid controls accurately rate of liquid flow through liquid outlet. It is positioned inside liquid chamber which allows convenient fixing to parts of patient's body. EFFECT: higher efficiency of infusion. 12 cl, 94 dwg
