- 
  
  Used to make it easier to work on a patient
- 
  
  A French physician invented it.
- 
  
  Inveted by a German physisist.
- 
  
  German inveted this machine that records the brains electrical impulses.
- 
  
  Portuguese neurologist invented this to treat mental illnesses but is not currently used today.
- 
  
  Machine that weighed less that a pound to regulate a persons heart beat using electrical pulses invented by Albert S. Hyman.
- 
  
  First fake heart was placed.
- 
  
  Used to see a baby before it is born to make sure the heart beat is stable and see if the baby has defects
- 
  
  Used to keep blood sugar in the right level for people with diabetes.
- 
  
  Used for scanning body tissue
