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Ian Donald CBE FRFPSGlas FRCOG FRCP (27 December 1910 – 19 June 1987) was an English physician who pioneered the diagnostic use of ultrasound in obstetrics, enabling the visual discovery of abnormalities during pregnancy. [2] Donald was born in Cornwall, England, to a Scottish family of physicians. He was educated in Scotland and South Africa ...
An ultrasonic examination. Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The physical principles of acoustic waves apply to any frequency range, including ultrasound. Ultrasonic devices operate with frequencies from 20 kHz up to ...
John J. Wild. John Julian Cuttance Wild (August 11, 1914 – September 18, 2009) was an English -born American physician who was part of the first group to use ultrasound for body imaging, most notably for diagnosing cancer. Modern ultrasonic diagnostic medical scans are descendants of the equipment Wild and his colleagues developed in the 1950s.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Rosemary Lynch Ludwig (deceased September 3, 1963 age 39) George Döring Ludwig, M.D. (January 4, 1922 [1] – November 24, 1973) was an American Professor and Chairman of medicine and medical researcher, noted for developing the first application of ultrasound to the human body for medical purposes at the Naval Medical Research Institute ...
Tom Brown (engineer) Tom Brown. Inventor of medical ultrasound. Taken in 1960's. Thomas Graham Brown (10 April 1933 in Glasgow – 13 December 2019) was a Scottish engineer who was most notable for collaborating in the design of the first medical ultrasound machine along with the obstetrician and designer Ian Donald, a physician at the ...
Wells has made a number of notable contributions to the application of engineering and physics in medicine. He is the originator and developer of instruments for ultrasonic surgery and ultrasonic power measurement, as well as the two-dimensional, articulated-arm ultrasonic general purpose scanner and the water-immersion ultrasonic breast scanner.
Ultrasonic transducer. A curvilinear array ultrasonic transducer for use in medical ultrasonography. Inside construction of a Philips C5-2 128 element curved array ultrasound sensor. Ultrasonic transducers and ultrasonic sensors are devices that generate or sense ultrasound energy. They can be divided into three broad categories: transmitters ...