History of Ultrasound

Question 1

Theory of Sound by Lord Rayleigh

Answer 1

1877

Question 2

Piezoelectric Effect by Pierre and Jacques Curie

Answer 2

1880

Question 3

First Ultrasound Generator using piezoelectric effect by Paul Langevin

Answer 3

1917

Question 4

Ultrasound for material testing by Sergei Sokolov

Answer 4

1928

Question 5

First application of ultrasound in medical diagnosis by Karl Dussik

Answer 5

1942

Question 6

researchers in Japan began to explore medical diagnostic capabilities of ultrasound

Answer 6

Shortly after WWII

Question 7

Boom of ultrasound in medical diagnosis

Answer 7

End of 1960’s

Question 8

Pan-scanner was invented; the transducer is rotated in a semicircular arc around the patient

Answer 8

1957

Question 9

allowed for the first time to use the upcoming computer technology to improve Ultrasound

Answer 9

Scan converter

Question 10

Gray scale static images of internal organs

Answer 10

Early 1970’s

Question 11

Real time imaging

Answer 11

Mid 1970’s

Question 12

Spectral Doppler and Color
Doppler

Answer 12

Early 1980’s