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Dr. John J. Wild, Pioneer of Diagnostic Ultrasound  

 

Photo Gallery:  Instrumentation

Figure 1.  A dissembled echoscope showing the main water chamber and the 15-megacycle transducer, which was first used by Wild to confirm echoing from soft tissues.  Above the crystal cartridge is the water chamber, which is used with degassed distilled water and closed with a condom rubber membrane. 
Figure 2.  An assembly of the original ultrasonic echoscopes designed and built by Wild for the clinical diagnosis and detection of abnormal growths.   Bottom left:  The first handheld echoscope used for application from outside of the body through the skin and used for examination for areas such as the breast (1950).  Second from left:  The first scanning instrument used to visualize breast tumors (circa 1951).   Middle:  The first rigid echoscope designed to detect tumors of the large bowel with two introductory instruments (circa 1951).  Upper right:  The first flexible colonic instrument, which followed the rigid echoscope, also used for cancer detection of the large bowel and the stomach (circa 1952). 

 

 
Figure 3.  2-Dimensional vaginal echoscope designed and built by Wild for the cervix and pelvic ad nexia (the ovaries, etc.).  This is the first intravaginal ultrasonic echoscope (circa 1953).
 

 

Last modified: January 15, 2003