Optics: measuring and testing – With sample preparation
Patent
1976-05-21
1978-01-03
McGraw, Vincent P.
Optics: measuring and testing
With sample preparation
73 61R, 356 38, 356 39, 356244, 356246, G01N 100, G01N 3316
Patent
active
040663590
ABSTRACT:
A method and structure capable of treating body fluids with cells therein for facilitating examination of cells. The body fluid sample is placed in a cylinder at one end of which is a filter, and then treating liquids are drawn into the cylinder through the filter while also being discharged out of the cylinder through the filter so that it is possible to carry out washing steps for washing out of the sample undesired components therein as well as placing in contact with the cells which are subsequently to be examined staining solutions, for example, so that a thorough staining is achieved. Thereafter the specimen remaining in the cylinder is placed on a slide and examined under a microscope. Preliminary to microscope examination, however, a barrier can be placed around the specimen on the slide and a solvent applied to the specimen held within the barrier so that undesired components which might obscure the vision, such as filaments or artifacts, can be dissolved out of the specimen, the barrier retaining the solvent in engagement with the specimen until the latter dries while the solvent evaporates, whereupon the specimen can be examined under a microscope.
REFERENCES:
patent: 3063289 (1962-11-01), Moul
patent: 3940250 (1976-02-01), Plakas et al.
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