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Method of measuring the fluidity of liquids for medical and pharmaceutical purposes, and apparatus for performing the method

  • US 4,165,632 A
  • Filed: 03/25/1977
  • Issued: 08/28/1979
  • Est. Priority Date: 03/27/1976
  • Status: Expired due to Term
First Claim
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1. A method of determining the fluidity of a liquid, such as of blood or serum, in a capillary, for medical and pharmaceutical purposes, comprising the steps of drawing the liquid from a vessel, through a measuring cell containing a capillary tube into a reservoir unit and thereafter returning the liquid to its original vessel through the measuring cell while performing viscosity measurements at a velocity of flow that remains constant for a given period of time, said measured liquid being drawn into and expelled from the measuring cell by pump means through an interposed buffer liquid, such as an infusion solution.

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