An anesthesia machine is a medical device used by anesthesiologists to administer anesthesia to patients during surgery or other medical procedures. It delivers a continuous and precise supply of medical gases (like oxygen and nitrous oxide), mixed with an anesthetic agent (like sevoflurane, isoflurane, or desflurane) to keep patients unconscious and pain-free. Below are some of the key components and functions of a typical anesthesia machine: