Self resealing elastomeric closure

Details Self resealing elastomeric closure Self resealing elastomeric closure

2004-06-21

2010-11-02

Wallenhorst, Maureen M (Department: 1797)

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

C422S091000, C422S105000, C422S105000, C600S573000, C600S577000, C215S247000, C215S296000, C215S303000, C215S349000, C215S350000

Reexamination Certificate

active

07824921

ABSTRACT:
A urine sample is taken by providing to the person a container having a removable cap with an initially unbroken elastomeric septum puncturable by a blunt tipped pipette and self-resealing following withdrawal of the pipette from the septum. The urine specimen is deposited in the container and the cap replaced. The container with the specimen is conveyed to a laboratory location for analysis where the septum is punctured by manually pressing the blunt tip of a plastic pipette against the septum with sufficient force to puncture through the septum and into the container with the tip. A sample of the urine specimen is drawn into the pipette and the pipette tip withdrawn to allow the septum to self-reseal, such that the urine specimen is sampled for analysis without reopening the container cap following replacement of the cap at the specimen collection site.

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