FIELD: medical engineering. SUBSTANCE: device has container in form of cylindrical sleeve with unscrewing cover. Hole is made in sleeve bottom for passing the cannula of syringe with biological liquid (blood). Number of concentric ribs is provided on external side surface of sleeve. Cover is made step-like with thread on smaller step. Container is fitted with nondetachable and removable sealing gaskets. Nondetachable gasket is flat with opening made in middle. It is positioned on sleeve bottom. Removable gasket is step-like with opening in middle. It is placed on smaller step of cover. EFFECT: improved design. 2 dwg
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