Device and method for collecting blood plasma

Details Device and method for collecting blood plasma Device and method for collecting blood plasma

1979-06-21

1981-08-18

Scherbel, David A.

Dispensing

Processes of dispensing

222 43, 222 48, 222103, 12814F, B65D 3528

Patent

active

042842093

ABSTRACT:
A method and device for forcing segregated plasma from a flexible collecting bag containing a layer of plasma over a layer of red blood cells has a member to reduce the chance for a portion of the red blood cells to also flow from the collecting bag. The device has a fixed member mounted normal to a base, and a movable member connected to the base by a hinge and urged toward the fixed member by a spring. The spring squeezes the collecting bag, which is supported between the fixed and movable members, forcing the plasma from the top of the bag. A stop member automatically stops the movement of the movable member when a large portion of the plasma has been forced from the bag. The stop member is releasable, allowing further movement of the movable member to remove the remaining portion of the plasma while being closely monitored by an operator.

REFERENCES:
patent: 1965596 (1934-07-01), Kline
patent: 2903161 (1959-09-01), Stahmer
patent: 3565292 (1971-02-01), Jinotti
patent: 3595232 (1971-07-01), Leibinsohn
patent: 3734351 (1973-05-01), Gaudin
patent: 3960294 (1976-06-01), Bernard

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