Device for the extraction of blood

Details Device for the extraction of blood Device for the extraction of blood

1978-02-14

1980-08-12

Howell, Kyle L.

Surgery

Truss

Pad

210DIG23, 128765, A61B 514

Patent

active

042167825

ABSTRACT:
A device for the extraction of blood, comprising a cylindrical receiving container, a piston air-tightly guided and shiftable therein and a connecting socket for a cannula at one end of the container, wherein the cylindrical container has an opening in the wall at the end remote from the connecting socket for drawing the air out of this portion of the container, and a suction device for a slow and uniform drawing-off of air connected by a connecting hose with the said opening in the wall of the container. The piston is moved away from the connecting socket and in the direction of the opening when and as long as the suction device is drawing-off the air from the container.

REFERENCES:
patent: 2594621 (1952-04-01), Derrick
patent: 2700973 (1955-02-01), Ju
patent: 3901219 (1975-08-01), Kay
patent: 3965889 (1976-06-01), Sachs
patent: 4004575 (1977-01-01), Sarstedt
patent: 4020831 (1977-05-01), Adler
patent: 4073288 (1978-02-01), Chapman

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