Summary. 1. An improved arm‐to‐arm transfusion device is offered which provides for a continuous stream and avoids other disadvantages associated with syringes. 2. It is possible in a high percentage of cases to transfuse a pint of blood within six minutes of running time. 3. If cutting down on and canalization of donor's vein are permitted, the operation is easy and always successful. 4. The so‐called speed shock to the recipient has not been observed. 5. The machine offers excellent alternative uses both as an aspirator and for massive injection of local anaesthetic, and of course in determining the flow and injection of citrated blood.
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Julian A. Smith (1941) studied this question.
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