Collection tube for drawing samples of biological fluids

Details Collection tube for drawing samples of biological fluids Collection tube for drawing samples of biological fluids

1981-02-13

1984-04-10

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

128760, B01L 203

Patent

active

044413734

ABSTRACT:
A collection tube and method for drawing samples of blood and other biological fluids, such tube having a tip construction effective in promoting the entry of such fluids into the tube and, where the tube is designed to fill by capillary attraction, in enhancing the rate and extent of such action. The fine-bore tube is transparent and is cylindrical in shape with its tip beveled to define an oval planar end surface, the long axis of the oval intersecting a plane normal to the longitudinal axis of the tube at an acute angle within the range of about 35.degree. to 60.degree..

REFERENCES:
patent: 3518804 (1970-07-01), Gerarde
patent: 4024857 (1977-05-01), Blecher
patent: 4104025 (1978-08-01), Retzer
patent: 4250893 (1981-02-01), White
patent: 4314570 (1982-02-01), Sarstedt

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