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Diagnostic device

  • US 4,925,629 A
  • Filed: 07/28/1988
  • Issued: 05/15/1990
  • Est. Priority Date: 07/28/1988
  • Status: Expired due to Fees
First Claim
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1. A diagnostic device (10) for assaying unknown constituent concentrations in a sample, said device, (10) comprising the combination of:

  • housing means (12) for containing said device (10);

    tube means (18) disposed within said housing means (12) and including a plurality of rows of wells (20) for receiving and containing a sample including a constituent to be assayed, each of said rows including a predetermined number of said wells (20) spaced a predetermined distance apart; and

    agitating means disposed within said housing means (12) and below said tube means for agitating said wells (20) and mixing the sample contained therein, said agitating means including a recess (52) disposed below a portion of said tube means (18) for containing a magnetic rod (58) of the type for being rotated by a magnetic stirring device (60) for tumbling within said recess (52), and vibration distribution means for transferring and distributing the agitation of the magnetic rod throughout said entire tube means (18), wherein said agitating means includes rod spin disrupting means (64) disposed within said recess (52) for disrupting the spin of the spinning magnetic rod (58) within said recess (52) so that the rod (58) agitates said vibration distribution means (66).

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