This method of transfusing blood is so simple that it is now preferred by the transfusion service at Passavant Memorial Hospital. No claim for originality in the separate features is made. The system is completely closed and sterilized in advance of need, thus obviating the necessity of an operating room.
A liter Florence flask is fitted with a two-hole rubber stopper through which a long U tube reaching to the bottom conducts the donor's blood when the flask is upright but acts as an air vent when the flask is inverted to discharge the blood. The other hole in the stopper admits a short glass Y tube, one arm of which connects to a detachable Potain aspirator providing suction when drawing the blood. The other arm of the Y (conducting blood to the recipient after the bottle is inverted) is equipped with a drip view and 3