Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Reexamination Certificate
2004-06-18
2011-12-06
Alexander, Lyle (Department: 1773)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
C422S401000, C422S412000, C204S403010
Reexamination Certificate
active
08071030
ABSTRACT:
A test strip with a sample receiving chamber having a novel flared portion that terminates in a sample receiving opening. The flared portion provides a reservoir from which sample fluid can be drawn into the capillary or sample receiving chamber. The wider opening provided by the present invention is easier to “target” with a sample fluid. In preferred embodiments, the hydrophilic reagent layer extends to the dosing end or side of the test strip and further promotes wicking of the sample into the sample receiving chamber and thus reduces dose hesitation. In other preferred embodiments, a tapered dosing end is provided on the test strip in combination with the flared portion, and this combination create a test strip that will draw sample fluid into the sample receiving chamber regardless of where along the dosing edge of the test strip the fluid sample makes contact.
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Bhullar Raghbir S.
Funke Tom
Riggles Randall K.
Surridge Nigel
Walling Paul Douglas
Alexander Lyle
Roche Diagnostics Operations Inc.
Roche Operations Ltd.
Woodard Emhardt Moriarty McNett & Henry LLP
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