Apparatus for collecting constant amounts of blood from individu

Details Apparatus for collecting constant amounts of blood from individu Apparatus for collecting constant amounts of blood from individu

1987-11-18

1990-05-08

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604403, A61M 5005

Patent

active

049234498

ABSTRACT:
An apparatus for the collection of blood via a collapsible inflow pipe into an inflatable bag having an anticoagulant prefilled therein. The bag is placed on a weighing platform coupled to a load cell, which produces an electric voltage signal representative of the weight of the blood being collected in the bag. The load cell is mounted on a swing cradle capable of oscillation about a horizontal axis, so that the bag is shaken during blood collection for intimately intermingling the collected blood and the anticoagulant. When a predetermined amount of blood is collected, as ascertained from the voltage output of the load cell, a controller actuates a collection stop mechanism thereby causing the same to tightly grip and collapse the inflow pipe.

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patent: 3583400 (1971-06-01), Memhardt
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patent: 3924700 (1975-12-01), Lindsey et al.
patent: 3960224 (1976-06-01), Silvers
patent: 4095658 (1978-06-01), Kendall et al.
patent: 4267837 (1981-05-01), Purdy et al.

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