Patent ID: 6165138
Filing Date: 2000-12-26
Classification: A61B,B01L

Abstract:
A closure for a blood collection tube wherein said tube comprises an open end with a beveled rim at said open end, and a needle may penetrate said closure comprising:a disk-shaped elastomeric member having opposed major surfaces comprising an outwardly bowed convex exterior surface, an inwardly bowed concave interior surface and an outer circumference, said member being positionable over said open end of said tube and with said beveled rim of said tube and being resealable; whereby said member provides a wiping force to a needle that is being withdrawn from said member; said disk-shaped elastomeric member being deformed by a bending moment at said outer circumference and into an arcuate configuration so as to place one of said major surfaces in tension and the opposed major surface in compression; and a gas impermeable planar sheet on said interior surface of said member.