Disposable autotransfusion device

Details Disposable autotransfusion device Disposable autotransfusion device

A - Human Necessities

61

M

128/80

A61M 5/00 (2006.01) A61M 1/00 (2006.01) A61M 1/36 (2006.01)

Patent

CA 1184819

DISPOSABLE AUTOTRANSFUSION DEVICE ABSTRACT An autotransfusion device for collecting blood from a pool in a patient and for subsequently returning the collected blood to the circulatory system of the patient is disclosed. The device includes a liquid collec- tion chamber having a movable wall and a stationary wall. The liquid collection chamber is connected to the pool of blood by an aspirator and to a suction source to draw the blood into the collection chamber. After the collec- tion chamber is filled to the capacity desired, a com- pressed spring is released to urge the movable wall toward the stationary wall. The blood is forced out of the collec- tion chamber by the compressed spring and back to the circulatory system of the patient.

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