IT IS A MERCURY SPHYGMOMANOMETER WHICH ROUTINELY USED FOR MEASURING ARTERIAL BLOOD PRESSURE AFTER REMOVING ITS CUFF AN CONNECTING THE REMAINING RUBBER TUBE THROUGH A THREE-WAY STOPCOCK TO THR ENDOTRACHEAL TUBE CUFF PILOT TUBE
AMODIFIED MERCURY SPHYGMOMANOMETER AS AN ENDOTRACHEAL TUBE CUFF PRESSURE MONITOR
