Abstract
The application of the catheter technic (1) to carotid angiography has simplified a selective (2) demonstration of the external and internal carotid circulation. The advantages of this method are : reduction in the number of intramural injections, greater mobility of the patient, and elimination of overlapping of the external and internal carotid circulation on the roentgenogram. The purpose of this report is to describe the authors' technic of selective internal and external carotid angiography. Equipment For the arterial puncture we use the Wickbom needle3 which is 12 cm. long and comparable to a thin-walled 17-gauge needle in diameter. This needle is attached by means of a Luer-Lok adapter to a piece of clear K60 polyethylene tubing, size 14 French, 12 cm. long. To this a Foley adapter is attached at the distal end (Fig. 1). The catheter is made of polyethylene tubing4 with an inner diameter of 0.045 inches and outer diameter of 0.065 inches. The catheter tip is preformed with a slight curve by heating...
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