Operative surgery . 222 OPERATIVE method requires an ordinary Davidsons syringe, an ordinary soft-rubbercatheter, or a small rubber drainage tube and an ordinary hypodermicneedle—large size preferred, thoughthis is not essential. After thoroughaseptic preparation, the needle is, pushed slowly into the radial, poste-rior tibial, or femoral artery untilarterial blood appears at the outerextremity, the catheter is then slippedover the base ofthe needle andtied, the noz-zle of the syr-inge is insert-ed into the eyeof the cath-eter, the needle is held firmly in place, and the fluidis pump
Operative surgery . 222 OPERATIVE method requires an ordinary Davidsons syringe, an ordinary soft-rubbercatheter, or a small rubber drainage tube and an ordinary hypodermicneedle—large size preferred, thoughthis is not essential. After thoroughaseptic preparation, the needle is, pushed slowly into the radial, poste-rior tibial, or femoral artery untilarterial blood appears at the outerextremity, the catheter is then slippedover the base ofthe needle andtied, the noz-zle of the syr-inge is insert-ed into the eyeof the cath-eter, the needle is held firmly in place, and the fluidis pumped slowly and cautiously into the arterial cur-rent. A fountain syringe elevated six feet will an-swer the purpose equally well. A pint of this fluid can be thus introducedwithin half an hour. If the shock from loss of blood be profound, it isadvised that the fluid be as hot as the hand can well bear (118° F.). Inany event the temperature of the fluid should be not less than 110° F. The Fallacies.—The needle may not enter the vessel,
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