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Whether the danger of explosion in the use of ethylene is more real than apparent, the fact cannot be denied that explosions have occurred and that every precaution should be taken to prevent such unfortunate accidents.
During the last year at the Jewish Hospital of Cincinnati we have practically eliminated this danger and, at the same time, have rendered our operating rooms free from the odor of ethylene, which is repulsive to many.
We use the McKesson machine in our work, and have so modified the expiratory valve that a noncollapsible hose can be attached to it and the spent gases conducted outdoors through holes in the walls of the operating rooms.
The accompanying illustration will be clear to those who are familiar with the McKesson outfit. A small cage, with a clearance on all sides of about one-eighth inch and equipped with a slip joint to which
Salzer M. A METHOD OF ELIMINATING THE DANGER OF EXPLOSION IN THE USE OF ETHYLENE. JAMA. 1927;88(5):315. doi:10.1001/jama.1927.92680310027008
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