Hotel Dieu Hospital Dept. of Anaesthesia, Kingston Collection
Diagnostic & Treatment Artifacts
McKesson deep breath demand flow anaesthesia machine with absorber Model 620; the absorber is a cylindrical container with an on/off dial and hours used indicator on top; the side of the machine has an oxygen hook-up on the right and a cyclopropane hook-up on the left; other parts include a dial at…
McKesson deep breath demand flow anaesthesia machine with absorber Model 620; the absorber is a cylindrical container with an on/off dial and hours used indicator on top; the side of the machine has an oxygen hook-up on the right and a cyclopropane hook-up on the left; other parts include a dial at the back with a red pointer which controlled the % oxygen; to the right is a direct oxygen button; a regulated pressure dial can be seen opposite the % oxygen dial; the regulated pressure is in mm of pressure; there are two oxygen operating range dials either side of the pressure regulator; there are two rubber hoses at the sides of the machine which hooked up to oxygen; each side of the machine has a round bellow; the machine is attached to a cylindrical metal pole on a four-wheel stand.
Number Of Parts
Purchased by and used at the Hotel Dieu Hospital, Kingston, Ontario, Canada.
The top of the absorber reads, "McKESSON APPLIANCE CO. // TOLEDO // OHIO // U.S.A. // HOURS USED // ABSORBER // MODEL 620 // SER. NO. 4723"; the percent oxygen dial is marked 0 to 45 in intervals of 5; the dial beside it reads, "McKesson Nargraf // PAT. NOS. RE-17512-1,632,449-1,687,255 OTHER PATS PEND. // REG. U.S. PAT OFF. // McKESSON APPLIANCE CO., TOLEDO, OHIO, U.S.A. // OXYGEN PERCENT // 100 75 50 25 0 // MODEL L // USE SMALL DIAL"; the direct oxygen button is labelled, "DIRECT // OXYGEN // PRESS // BUTTON"; the regulated pressure dial is labelled "PRESSURE // mm // 0 5 10 20 30 40 OFF"; the two operating range dials both read, "OPERATING // RANGE // LOW // HIGH // McKESSON APPLIANCE CO. // TOLEDO, OHIO, U.S.A. // U.S. // GAUGE // CO. // N.Y. // MADE IN U.S.A. // AD-7739"
Storage Room 0009
Length: 81.0 cm. x Width: 51.0 cm. x Depth: 51.0 cm.
Machine arrived very dirty and dusty; the gas cylinders and hoses are no longer with the machine and the dial to control the cyclopropane is missing; most of the metal parts are uncorroded, with the exception of a small amount at the left side; the rubber hoses are flexible and complete
Dr. Ray Matthews and John Sikora; "Ward's Anaesthetic Equipment", 3rd ed., by Andrew Davey, John T.B. Moyle and Crispian S. Ward, 1992, pp. 168-171
Sodalime was put into the absorber container to absorb expired carbon dioxide; the two oxygen pressure dials measured the pressure of oxygen delivered; the direct oxygen button was a flush button to fill up the circuit with oxygen or to give the patient a burst of oxygen; the bellows were used to proportion gas pressures