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What Is Anaesthetic Machine?

The anaesthetic machine (UK English) or anesthesia machine (US English) or Boyle's machine is used by anaesthesiologists, nurse anaesthetists, and anaesthesiologist assistants to support the administration of anaesthesia. The most common type of anaesthetic machine in use in the developed world is the continuous-flow anaesthetic machine, which is designed to provide an accurate and continuous supply of medical gases (such as oxygen and nitrous oxide), mixed with an accurate concentration of anaesthetic vapour (such as isoflurane), and deliver this to the patient at a safe pressure and flow. Modern machines incorporate a ventilator, suction unit, and patient monitoring devices.

The original concept of Boyle's machine was invented by the British anaesthetist Henry Boyle (1875–1941) in 1917. Prior to this time, anaesthetists often carried all their equipment with them, but the development of heavy, bulky cylinder storage and increasingly elaborate airway equipment meant that this was no longer practical for most circumstances. The anaesthetic machine is usually mounted on anti-static wheels for convenient transportation.

Modern anesthesia machine is moving in the intelligent, integrated system development, the combination of components, flexible, reliable, compact, reasonable, friendly and friendly interface, easy to operate. Electronically controlled gas delivery system, built-in electronic control anesthesia ventilator, integrated breathing circuit, integrated gas monitoring system, high and low micro-flow anesthesia is the best combination of modern anesthesia machine. A new generation of anesthesia workstations will be integrated into the entire medical system, can be systematically networked with the hospital equipment, communication, definition, adjustment of anesthesia and records, assessment of anesthetic effects, improve patient care quality, clinicians to create a good working atmosphere. Modern anesthesia machine according to the structure of the principle can be divided into: gas supply and transportation system, anesthesia gas evaporation tank, breathing circuit, anesthesia ventilator, safety monitoring system and residual gas removal system.