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John A. Caldwell, B.S., M.D.
JAMA. 1917;LXIX(5):383. doi:10.1001/jama.1917.25910320001016a.
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The use of the various paraffin wax mixtures in the treatment of burns and other extensive granulating wounds seems to have proved a distinct advance in the treatment of this class of wounds. The two methods of applying the wax are by brush and by spray. The brush method has been rather unsatisfactory (especially with children) because the preparation must be applied too hot for comfort, and the redipping of the brush contaminates the original supply.

Many sprays have not given satisfaction because the hot wax is congealed at the outlet by the passage of the cold air jet through the spray nozzle.

With the assistance of Mr. Max Schmidt of the Max Wocher Company, and his workmen, I have made a spray which has given perfect satisfaction during several weeks' practical use on the wards of the Cincinnati General Hospital. The result has been accomplished without the use of


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