Coronary artery imaging system

Details Coronary artery imaging system Coronary artery imaging system

A - Human Necessities

61

B

A61B 5/026 (2006.01) A61B 8/06 (2006.01) A61B 8/12 (2006.01)

Patent

CA 2108910

A catheter (12) for measuring fluid flow in arteries without disturbing the flow and a side-looking sonic transducer for im-aging the arterial walls is inserted into a coronary artery (24) of a body (40) and is coupled at a proximal end (25) via cables (26 and 46) to external respective arterial flow circuit (18), plaque image circuit (38). At the distal end of.the catheter two sets of transducers (120 and 128) are located. Transducer (120) is electrically coupled by cable (46) to circuit (38). Sonic signals generated by transducer (120) result in acoustic echo signals reflected from plaque (28) in the walls of artery (24). Transducer (120) converts the echo signals to electrical image signals. These signals are detected and amplified in circuit (38).

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