The method and the device are combined with a method for detecting blood cells, red blood cells, haemoglobin and debris in liquid coming from a surgical site to provide an automatic control and rinsing system with clear vision in {HEAD ~ the viewing area} of {TAIL ~ the operational site} 
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The method and the device are combined with a method for detecting blood cells , red blood cells , haemoglobin and debris in liquid coming from a surgical site to provide an automatic control and rinsing system with clear vision in { HEAD ~ the viewing area } of { TAIL ~ the operational site }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL