Lung isolation in thoracic surgery will usually be achieved either with a double-lumen tube (DLT) or a bronchial blocker (BB). However, even when conducted by anesthesiologists with particular interest and expertise in thoracic anesthesia, the procedure may be troublesome and time consuming.
In ancient India arrow injury was prevalent as it was a one of the most frequently used weapon. With passage of time use of bow and arrow became restricted to tribal area and its use became limited mostly to hunting. But in the recent years with progressively increasing terrorist activity in some areas arrow injuries are becoming more and more frequent.