A rotating transducer real-time scanner for ultrasonic examination of the heart and abdomen. 1979

C R Bow, and W N McDicken, and T Anderson, and R E Scorgie, and A L Muir

A mechanical real-time ultrasonic scanner utilizing a rotating transducer head has been successfully applied clinically to visualize the heart and abdomen. The design features of this scanner are discussed. The small dimensions and the 90 degree field of view of the sealed oil-filled transducer head optimize visualization of the heart avoiding bone and lung. The single point of entry aspect of this scanner results in a good field of view from any point on the abdominal surface. For example, in upper abdominal studies the liver and kidney can be readily viewed. Rapid and thorough searching of the abdomen is easily carried out and good quality selected sections can be captured by optimizing frame rate and angle of view. In obstetrical applications the complete mature fetus can be visualized using the alternative large 180 degree field of view.

UI MeSH Term Description Entries
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000005 Abdomen That portion of the body that lies between the THORAX and the PELVIS. Abdomens
D014159 Transducers Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed) Transducer
D014463 Ultrasonography The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. Echography,Echotomography,Echotomography, Computer,Sonography, Medical,Tomography, Ultrasonic,Ultrasonic Diagnosis,Ultrasonic Imaging,Ultrasonographic Imaging,Computer Echotomography,Diagnosis, Ultrasonic,Diagnostic Ultrasound,Ultrasonic Tomography,Ultrasound Imaging,Diagnoses, Ultrasonic,Diagnostic Ultrasounds,Imaging, Ultrasonic,Imaging, Ultrasonographic,Imaging, Ultrasound,Imagings, Ultrasonographic,Imagings, Ultrasound,Medical Sonography,Ultrasonic Diagnoses,Ultrasonographic Imagings,Ultrasound, Diagnostic,Ultrasounds, Diagnostic
D014465 Ultrasonics A subfield of acoustics dealing in the radio frequency range higher than acoustic SOUND waves (approximately above 20 kilohertz). Ultrasonic radiation is used therapeutically (DIATHERMY and ULTRASONIC THERAPY) to generate HEAT and to selectively destroy tissues. It is also used in diagnostics, for example, ULTRASONOGRAPHY; ECHOENCEPHALOGRAPHY; and ECHOCARDIOGRAPHY, to visually display echoes received from irradiated tissues. Ultrasonic

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