The cardiac pigtail catheter.
A curved catheter with a pigtail tip is described, which provides for stable yet rapid delivery of contrast medium to either ventricle, the aorta and the pulmonary arteries. It tends to lie of its own accord in an ectopic free position when used retrogradely in the left ventricle, and can be easily placed well into the right ventricular apex without fear of intramyocardial contrast injection.
D006328:Cardiac Catheterization / Q000295:instrumentation*; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography