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Disposable optical agglutination assay device and method for use

  • US 5,500,187 A
  • Filed: 12/08/1992
  • Issued: 03/19/1996
  • Est. Priority Date: 12/08/1992
  • Status: Expired due to Fees
First Claim
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1. An assay device for use in analyzing a sample of unknown substance by mixing assay reagents with the sample, comprising:

  • (a) a housing having a plurality of storage reservoirs, each containing an assay reagent;

    (b) an entry port for receiving a sample suspected of containing a target analyte, into said housing, said entry port having an inlet and an outlet;

    (c) a controlling track for mixing and delivering the assay reagents in said reservoirs to said entry port via said inlet, and including a plurality of first portions each connected to a respective one of said reservoirs;

    (d) said controlling track including a plurality of second portions each for receiving assay reagent from a respective said first portion;

    (e) each said second portion including at least one discharge end in the form of a nozzle, said second portions being arranged that assay reagent discharging from a said nozzle of one of said second portions mixes with assay reagent discharging from a said nozzle of another of said second portions; and

    (f) means connected to said entry port to allow analysis of the mixed assay reagents and sample after passing through said entry port to said outlet.

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