Flow inducing means for small volume containers

Details Flow inducing means for small volume containers Flow inducing means for small volume containers

1988-06-14

1990-10-23

Hindenburg, Max

Surgery

Truss

Pad

128770, A61B 500

Patent

active

049644130

ABSTRACT:
An arrangement is provided for inducing rapid flow of a blood sample into a collection assembly for the sample, with the arrangement including an elongated member of narrow width positioned in the flow path of the blood from the source therefore to the collection area therefore. The member of the invention may be, for example, an elongated flat strip, flexible or rigid, a solid rod, a solid strip square in cross section, or a tubular rod. The elongated device may be separate and positioned or adhered to a surface forming the blood flow path or it may be molded simultaneously with a collection assembly. The device may serve to provide a bridging transition from the surface of one part of an assembly to another. Finally, the device may be used to induce sample flow back and forth in a collection tube during mixing.

REFERENCES:
patent: 3952599 (1976-04-01), Ayres
patent: 4024857 (1977-05-01), Blecher et al.
patent: 4050451 (1977-09-01), Columbus
patent: 4215700 (1980-08-01), Crouther
patent: 4397318 (1983-08-01), Burns
patent: 4411163 (1983-10-01), White
patent: 4469482 (1984-09-01), Lissenburg et al.
patent: 4519402 (1985-05-01), Andersen
patent: 4613326 (1986-09-01), Szwarc

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