Feb 9, 2008 ... Ian Donald, invented the Ultrasound as we know it today…but he must be turning in his grave at the way it is being “mishandled” and ...
http://womantowomancbe.wordpress.com/2008/02/09/ultraso...
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Ultrasound was invented by the English physician Ian Donald in 1957 first tested & one year later, was used on a pregnant woman. ... As technologies improve over the years, so has the ultrasound device. But the basic concept remains the same. It has let to the development of other useful medical instrument such as the...
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library.thinkquest.org/16541/eng/learn/library/content/...
library.thinkquest.org/16541/eng/learn/library/content/ultrasound.htm
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Who Invented The Ultrasound The dictionary defines an ‘ultrasound’ as the energy generated by sound waves of 20,000 or more vibrations per second. ... The invention of the ultrasound has been a landmark in medical history. It has proved to be a stepping stone towards extensive medical research. Ultrasound has aided...
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www.scumdoctor.com/pregnancy/ultrasound/Who-Invented-Th...
www.scumdoctor.com/pregnancy/ultrasound/Who-Invented-The-Ultrasound.html
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Inventions question: Who invented medical ultrasound? Ian Donald ... Who invented the medical? Invented the medical ultrasound? When and who invented ultrasound? What are medical uses of ultrasound? Who invented the medical ultrasound?
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wiki.answers.com/Q/Who_invented_medical_ultrasound
wiki.answers.com/Q/Who_invented_medical_ultrasound
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First introduced to the medical world in the 1960s ultrasound has become the second most widely-used diagnostic imaging modality today. ... Two researchers are noted in the history of ultrasound and medical imaging. They are: Doctor Karl Theodore Dussik of Austria, who published the first paper on medical ultrasonics in...
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inventors.about.com/library/inventors/blultrasound.htm
inventors.about.com/library/inventors/blultrasound.htm
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Ultrasound - Wikipedia, the free encyclopedia
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Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) i...
en.wikipedia.org/wiki/Ultrasound
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The man who invented ultrasound could also be relied on to fix the neighbor's dishwasher ... Over the years, he had invented a magnetized key hole for the late night party-goer. And there was a toothbrush that he invented with a hollow handle to hold toothpaste. A back screw would force the paste upon the brush's bristles.
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Although detection of fetal hreartbeat by the A-scan and audio doppler ultrasound (the first "Doptone" was invented in 1965, see section below on doppler) had been variously reported by early groups such as Wang (1964, M-mode from 10 weeks), Kratochwil (1967, vaginal A-scan from 7 weeks), Bang and Holm (1968, A- and M-mode...
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www.ob-ultrasound.net/history2.html
www.ob-ultrasound.net/history2.html
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