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The dressing is yellow petrolatum with 10 per cent. boric acid incorporated in it. This boric acid ointment is prepared by the druggist and placed in a tin can. The regular petrolatum can of 1 to 5 pounds is an excellent container.
At each dressing the can containing the ointment is placed in a water bath and allowed to melt. This melting also resterilizes the ointment for each dressing. After the ointment has thoroughly melted it is poured into a large, flat, sterile pan. Pieces of gauze of various sizes and thickness, depending on the nature of the wound, are saturated with this melted ointment. After the wound has been sponged off, preferably with alcohol and normal saline, warm dressings are applied directly to the wound surface. These dressings are changed as often as is necessary, depending on the nature of the wound. When large areas are to be covered,
Gale SS. THE PAINLESS DRESSING. JAMA. 1915;LXV(15):1279. doi:10.1001/jama.1915.25810150002018c