Method and apparatus for measuring the motility of sperm cells

Details Method and apparatus for measuring the motility of sperm cells Method and apparatus for measuring the motility of sperm cells

1980-10-15

1983-09-06

McGraw, Vincent P.

Optics: measuring and testing

Of light reflection

With diffusion

356244, G01N 2147, G01N 3348

Patent

active

044026145

ABSTRACT:
A method of measuring sperm motility comprises directing a beam of light at an angle at less than 30.degree. into a thin film suspension of the sperm, and counting the number of reflections per unit time to provide an index of sperm motility. Apparatus for measuring sperm motility according to the above method comprises a holder including a pair of transparent plates beads for holding the sperm suspension in the form of a relatively thin film, means for directing the beam of light into the thin film suspension, an optical detector for detecting the reflection, and a counter for counting the number of reflections per unit time.

REFERENCES:
patent: 3592526 (1971-07-01), Dreyer
patent: 3975084 (1976-08-01), Block
patent: 4019066 (1977-04-01), Lucas et al.
patent: 4022521 (1977-05-01), Hall et al.
patent: 4176953 (1979-12-01), Bartoov et al.

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