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June 29, 1907


JAMA. 1907;XLVIII(26):2182-2183. doi:10.1001/jama.1907.25220520012003a

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The need for a special anesthesia mask for operations on and about the eye has occurred to me often. The regular Esmarch inhaler is too much in the way of the operator when used in the usual manner with the handle between the eyes and does not fit the face when reversed. Recently I made the modifications shown in the cuts and have used it with the greatest satisfaction to both operator and anesthetist.

A bridge for the nose (Fig. 1, A), which crosses just above the tip of the nose, leaves a clear operative field. The frame has a downward convexity (Fig. 2, B to C) of about three-fourths of an inch. This fits snugly the sides of the face, preventing pressure on the nose and closing in the spaces at the corners of the mouth, thus doing away with the folded towel often wound around the ordinary Esmarch

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