Hemovac is a drain used to collect the fluids of the body which accumulate in body after surgical operation. It is a circular shaped container connected to a tube which connects the inner body to the hemovac drain. The one end of tube is inserted into the body during surgery and the other end is connected to the hemovac drain, the incision or cut which is made on the surface in order to insert the tube is known as drain site. Hemovac drain is used to drain not only the excessive fluids of body but also the blood accumulated in body.