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Apparatus for transfer of biological fluids

  • US 5,744,099 A
  • Filed: 09/15/1995
  • Issued: 04/28/1998
  • Est. Priority Date: 09/15/1995
  • Status: Expired due to Fees
First Claim
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1. An apparatus for undiluted aspirating and dispensing of liquids, comprising:

  • a conduit system including an aspiration path and a dispense path, said aspiration path including a portion of said dispense path;

    means for cleaning and drying said aspiration and dispense paths prior to aspiration of said liquid;

    aspirating means for undiluted aspirating said liquid from a sample vessel into and along said aspiration path including said dispense path portion of said aspiration path, said paths being cleaned and dried prior to said aspiration of said liquid;

    dispensing means for undiluted dispensing said liquid along and out of said portion of said dispense path and into at least one receiving vessel; and

    gaseous pushing means intersecting said dispense path at one end thereof and for generating a gaseous interface at said dispense end and pushing said liquid in front of said gaseous interface along and out of said dispense path and into said at least one receiving vessel.

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