There is gastrofibroscope probe , "black Dragon" ,and ultrasound probe ,"white Dragon" ,on the picture .The first one finds gastrointestinal defects like ulcer or erosion,the other one-finds the stones in biliary tract or mesenchymal organs-liver,belowstomach gland,kidney-problems,which are the reasons of abdominal pain.Combination of two technologies is an effective method of heart diagnostics-transesophageal caprdioscopy.So,both of monsters are useful for mankind:-)|5