Coagulation detector and coagulability determination

• US 3,302,452 A
• Filed: 04/27/1964
• Issued: 02/07/1967
• Est. Priority Date: 04/27/1964
• Status: Expired due to Term

• Current Assignee: Myron W. Leslie
• Original Assignee: Myron W. Leslie
• Inventors: Leslie, Myron W.
• Application Number:
  US04/362,890
• Time in Patent Office: 1,016 Days
• US Class Current: 73/64.43
• CPC Class Codes: G01N 33/4905 Determining clotting time of blood by chemical methods G01N33/86, C12Q1/54
• CPC Class Codes: G01N 35/02 using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations G01N35/0098 and G01N35/0099 take precedence
• CPC Class Codes: G01N 35/021 having a flexible chain, e.g. "cartridge belt", conveyor for reaction cells or cuvettes

Claims

1. APPARATUS FOR DETECTING THE FORMATION OF A REACTION PRODUCT OF A TEST FLUID AND A LIQUID REAGENT HAVING A GREATER RESISTANCE TO SHEAR THAN THE MIXTURE OF TEST FLUID AND REAGENT, COMPRISING IN COMBINATION, MEANS FOR SUPPORTING A TUBULAR REACTION VESSEL CONTAINING THE TEST FLUID AND REAGENT WITH THE LONGITUDINAL AXIS OF THE VESSEL AT AN ANGLE OF ABOUT FIVE TO TWENTY DEGREES TO THE HORIZONTAL, MEANS FOR ROTATING SAID VESSEL AS THUS SUPPORTED ABOUT SAID AXIS CONTINUOUSLY AT A SUBSTANTIALLY CONSTANT SPEED TO FORM A VORTEX IN THE FLUID MIXTURE CONTAINED IN THE REACTION VESSEL, AND MEANS RESPONSIVE TO CHANGE IN TRANSMISSIBILITY OF RADIATION ALONG A PATH INTERCEPTED BY THE VORTEX TO INDICATE THE FORMATION OF SUCH REACTION PRODUCT.