Viscometer for indicating rheological properties of biological fluids

A device for testing mucus from a bodily cavity, said device comprising a base, inner bearing means and outer bearing means, said inner bearing means and said outer bearing means being arranged for motion with respect to each other on said base, means for biasing said inner bearing means and said outer bearing means for said motion, and means for indicating the occurrence of said motion, said inner bearing means and said outer bearing means have inner and outer cylindrical bearing surfaces, each of said bearing surfaces having a surface finish ranging from approximately 0.2 microns to 3.2 microns in valley to peak height, the clearance between said bearing surfaces ranging from approximately 0.25 microns to 254.0 microns, said means for indicating including indicia movable with at least one of said bearing elements and indicia fixed in operation with respect to said base, said base including an elongated rod, said inner bearing member projecting from said rod and being substantially coaxial therewith, said outer bearing means including an aperture through which said mucus can be inserted into said clearance.