This book summarizes Major operations are performed to remove or reconstruct the infected parts in the human body. These operations will lead to blood loss and pain. Therefore, it is necessary to arrest the pain and the blood loss. Anesthesia plays an important role in the part of painkilling. In which microcontroller is made use of to perform anesthesia injecting operation, where the quantity to be injected and the time at which the drug should be injected is provided. The Microcontroller displays the quantity to be injected and the time in the display device. Syringe infusion pump is...