A vision regulation device for {TAIL ~ a liquid} for {HEAD ~ irrigation} of a body cavity surgical site comprising, 
A vision regulation device for { TAIL ~ a liquid } for { HEAD ~ irrigation } of a body cavity surgical site comprising ,
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH