Straw for the preservation of small amounts of substances, notably of biological liquids

摘要

A straw ( 1 ) for the conservation of small quantities of substances, in particular biological substances, the straw having a segment of tube ( 2 ) provided, inside one end, with a stopper ( 3 ) including gel powder, characterized in that the straw stopper includes a thermoplastics material core ( 4 ) sheathed with filaments constituting a sheath ( 5 ). The straw of the invention absorbs only a very small amount of the liquid contained therein.