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The chief object of the method and apparatus is to provide a way and means by which the transfer of blood can be accomplished by one person in a simple, safe and reliable manner. The principles involved to prevent the coagulation of blood (sodium citrate and petrolatum) are nothing new. Their joint application, however, combined with the employment of technic and apparatus, constitutes a very definite and new principle which makes the successful transfusion of blood possible.
Preparation of Syringe.
— After the syringe has been sterilized, petrolatum (heated to the liquid state) is taken up through the needle so that the inner surface of the syringe is coated. This coating facilitates the easy sliding of the piston and renders barrel and plunger air tight. After the syringe has been prepared in this manner it is filled with 5 c.c. of a 1.5 per cent. sodium citrate in 85
Abelmann HW. BLOOD TRANSFUSION SIMPLIFIED BY USE OF NEW METHOD AND APPARATUS. JAMA. 1915;LXIV(16):1315. doi:10.1001/jama.1915.25710420001016
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