The Jackson Rees breathing system is a type of breathing circuit used in anesthesia to deliver oxygen and anesthetic gases to patients while they undergo surgery or other medical procedures. It's named after two anesthesiologists, Ivan Magill and Archie Brain, who independently developed similar systems in the mid-20th century.

The Jackson Rees breathing system is a type of breathing circuit used in anesthesia to deliver oxygen and anesthetic gases to patients while they undergo surgery or other medical procedures. It's named after two anesthesiologists, Ivan Magill and Archie Brain, who independently developed similar systems in the mid-20th century.