Apparatus and method for detecting the presence of friable atheromatous deposits in or near the aortic arch of a patient. Fluid aspirated from the aorta in the region of the inner curvature of the transverse arch and the descending aorta through a cannula attached to a handle is drawn by suction through...http://www.google.de/patents/US5197485?utm_source=gb-gplus-sharePatent US5197485 - Method and apparatus for sampling aortic plaque