Development history of medical imaging

German physicist wilhelm konrad rontgen discovered X-ray in 1895, which turned a new page in medical imaging. Before that, doctors had to rely on palpation except direct incision, but both methods had certain risks.

1978, at the annual meeting of radiology, an engineer named G.N.Hounsfield announced the results of computed tomography. This is the most important breakthrough in the field of radiation medicine after the discovery of X-rays, and it is also one of the great achievements of science and technology in the 20th century. Hunsfield and Cormac won the 1979 Nobel Prize in Physiology and Medicine for their epoch-making contributions to radiation medicine.

The development of ultrasonic imaging equipment benefited from the development of radar and sonar technology in World War II. In 1950s, a simple A-type ultrasonic diagnostic instrument began to be used in clinic. In 1970s, the B-type instrument which can provide cross-section dynamics came out. Color flow chart (CFM), which came out in the early 1980s, is a high-grade ultrasonic diagnostic instrument currently used in clinic.

1945, American scholars first discovered the phenomenon of magnetic vibration, and then the science of nuclear magnetic resonance spectroscopy came into being. In the late 1970s, human magnetic resonance imaging was successful. In 2003, the Nobel Prize or Medical Prize was awarded to Paul C.Lauterbur, an American scientist, and Peter Mansfied, an applied scientist, who made outstanding contributions to the research of magnetic resonance imaging.