Method and apparatus for testing blood coagulation
Abstract
Abstract A FRESHLY DRAWN SAMPLE OF VENOUS BLOOD IS PLACED IN A CONTAINER,SUCH AS HYPODERMIC SYRINGS, AND A THREAD IS MOVED LENGTHWISE THROUGH THE SAMPLE UNTIL A SUBSTANTIALLY CONTINUOUS MASS OF FIBRIN AND OR RED BLOOD CELL FROM THEREON, MAKING THE END POINT OF TEST. THE THREAD IS OF A MATERIAL TO WHICH BLOOD COAGULATION SUBSTANCES ADHERE, PREFERABLY A WATER WETTABLE MATERIAL SUCH AS GLASS, OR PLANT OR ANIMAL FIBERS, E.G., COTTON OR WOOD. THE THREAD MAY BE INSERT THROUGH THE NEEDLE OF THE SYRINGE AND AN ELECTRIC MOTOR WITH SUITABLE REDUCTION GEARING USED TO DRAW THE THREAD THROUGH THE NEEDLE AND BLOOD SAMOLE WITHIN THE STRINGE AT AN APPROPRIATE SPEED, E.G., A FEW MILLMETERS PER MINUTE. THE ENDPOINT MAY BE NOTED VISUALLY OR BY ELECTRICAL, OPTICAL, OR ANY OTHER SUITABLE SENSING MEANS.
Inventors
- 👤 R Bailly
Bibliographic Details
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