Apparatus for continuously sampling plasma

Details Apparatus for continuously sampling plasma Apparatus for continuously sampling plasma

1989-03-28

1990-12-11

Hinenburg, Max

Surgery

Truss

Pad

A61B 500

Patent

active

049762702

ABSTRACT:
A method and apparatus for continuously sampling plasma are disclosed. The method of the present invention comprises removing blood from the patient, separating a substantially small portion of plasma, and returning the blood to the patient. The removing, separating, and returning steps are performed continuously and simultaneously with each other. The apparatus of the present invention relates to a double-lumen cannula or venipuncture needle for the removal and returning of blood to the patient at the same site.

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patent: 4639243 (1987-01-01), Schmidt et al.
patent: 4666426 (1987-05-01), Aigner
patent: 4675004 (1987-01-01), Hadford et al.

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