YJ-8501 Anesthesia Machine is equipped with an accurate dedicated anesthetic vaporizer and a safety device for preventing cyanosis and a necessary alarm system. During the anesthesia, the patient's respiratory functions can be managed by using a microcomputer controlled pneumatic electrically controlled synchronizing anesthesia respirator. Each connection part of the whole machine is a standard interface. A highly efficient and large volume soda lime absorber can minimize the re-inhalation of carbon dioxide by the patient. Pneumatically driven and electrically controlled system Built-in ventilator, 8.4 LCD display screen Closed; Semi-Closed; Semi-Open working mode Applied for Adult and Pediatric