FIELD: medicinal equipment.
SUBSTANCE: device for manual metering of medical-purpose liquid matter has chamber for liquid matter to be metered provided with end opening, capturing handle, piston enclosed in chamber and provided with actuating member for user, and screw drive gadget. Screw gadget is disposed between actuating member and piston to provide longitudinal movement of piston and for making pressure onto dosed liquid matter. Screw gadget is capable of changing its shape to switch from working configuration, where micrometric application of piston is performed, to non-working configuration, where piston is capable of free moving. Screw gadget has external thread, relating to piston, and member provided with internal thread, made integral with handle. Handle can be elastic deformed due to lateral compression to switch screw gadget from its working configuration to its non-working one.
EFFECT: improved functional abilities; simplified design; ease at exploitation.
12 cl, 9 dwg
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