Disposable manipulative laboratory device for transferring biolo

Details Disposable manipulative laboratory device for transferring biolo Disposable manipulative laboratory device for transferring biolo

1976-10-22

1978-04-25

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

222394, B65D 8314, G01N 100

Patent

active

040860604

ABSTRACT:
A manipulative laboratory device for transferring biological fluid from one or more primary containers to an associated secondary set of containers through a disposable closed compartment system. The compartment system allows for greatly simplified decanting procedures, for example, in pouring off serum samples in blood analyses. The transfer device is preferably of transparent plastic material, and allows for complete isolation among respective samples and selective transfer of controlled volumes of biological fluid when combined with a pump, through means to apply equal volumes of pressurized gas to each of the compartments. The transfer device allows, serum, for example, to be held and filtered during transfer, while maintaining the serum within a closed compartment to reduce the risk of hepatitis and similar infectious transmissions to operating personnel. In combinations with the disposable transfer device, a pressurization device and rack constructions are provided to facilitate gang handling of a plurality of biological fluid specimens, in one operation.

REFERENCES:
patent: 1331207 (1920-02-01), Mouneyrat
patent: 1548186 (1925-08-01), Claude
patent: 1606400 (1926-11-01), Cheney
patent: 2679140 (1954-05-01), Burchett
patent: 3193359 (1965-07-01), Baruch et al.
patent: 3522011 (1970-07-01), Sanderson
patent: 3849072 (1974-11-01), Ayres

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