Abstract

Experiments have been conducted to ascertain (1) what metal causes the greatest amount of blood clotting in vivo, and (2) to note the difference between and results in the so-called “wiring with electrolysis” and the non-electrolytic methods commonly employed in the treatment of aneurysms.Ten different wires were used; namely, aluminum, bronze, copper, dental alloy, German silver, gold, piano wire, silver, pliable steel, and zinc. A small piece of each of these wires was inserted in the aorta of a cat and allowed to remain for 7 days. The animal was then killed and examined.Zinc containing less than 0.1% lead, 0.01% iron, and 0.002% cadmium always produced clotting and was found to be the best metal for this purpose. Copper and its alloys produced clotting but to a much less degree, and steel and silver appeared to exert the least influence. Gold, aluminum, and platinum would seem to produce practically no clotting.It was seen that the Moore-Corradi method as practiced surgically with a current of 50 ma. ...

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