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Assay device for swab borne analytes

  • US 5,084,245 A
  • Filed: 12/20/1990
  • Issued: 01/28/1992
  • Est. Priority Date: 11/07/1988
  • Status: Expired due to Fees
First Claim
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1. A disposable kit for conducting an assay test, said kit comprising:

  • a swab comprising an elongated stick and an absorbent tip at one end of the stick for carrying a fluid material containing an analyte or derivative thereof;

    a base component;

    a contact element mounted on the base component, said element being sensitive to the presence of an analyte or derivative thereof which comes into contact therewith;

    a guide member for mounting on the base component over the contact element, said member being removable from the base component so as to permit inspection of the contact element,said guide member having an elongated passageway extending therethorugh, said passageway having a first open end that is positioned adjacent the contact element when the member is mounted on the base component, said passageway having a second open end that is spaced from said first open end, said second open end constructed so as to open outwardly of the kit when the member is mounted on the base component,said passageway including funnel means at said second open end thereof so as to receive the tip of said swab said funnel means further being constructed so as to guide said tip into the passageway as the stick is manually pushed through the passageway and toward said first end thereof; and

    squeeze structure located in the passageway adjacent said first end so as to contact the swab tip when said manually pushed swab stick and said tip are being pushed through the passageway and toward the contact element, so as to cause the tip to be squeezed such that fluid material is expressed therefrom.

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