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Canadian Journal of Anesthesia, Vol 6, 98-103, Copyright © 1959 by Canadian Anesthesiologists' Society

A Circulator to Eliminate Mechanical Dead Space in Circle Absorption Systems

DAN G. REVELL M.D.1

1 St. Joseph's Hospital, Victoria, B.C.

A description is given of an original apparatus for the removal of the under-mask dead space in paediatric anaesthesia. Its application to adult anaesthesia is also suggested. The apparatus may be used in conjunction with any circle closed or semi-closed absorption technique. The principle of operation is the forcing of carbon dioxide free gases through the under-mask space in order to displace the exhaled atmosphere before the next inhalation takes place. The technique has been used in all the writer's paediatric cases since 1947 and in those of his associates in the last five years.






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Copyright © 1959 by the Canadian Anesthesiologists' Society.