Patent ID: 6541262
Filing Date: 2003-04-01
Classification: G01N

Abstract:
A method for determining the response of a sample of a patient's whole blood to heparin in the presence and absence of antithrombin III the steps of:providing a first channel without heparin as a reagent therein and without antithrombin III as a reagent therein; providing a second channel with heparin as a primary reagent therein but without antithrombin III as a reagent therein; providing a third channel with heparin as a primary reagent and antithrombin III as a secondary reagent; adding a first portion from the sample of whole blood to the first channel; adding a second portion from the sample of whole blood to the second channel; adding a third portion from the sample of whole blood to the third channel; and determining the time required for a clot to be formed in each of the first, second and third channels.