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The local use of dry heat has long been justly regarded as a valuable therapeutic agent in treating inflammations of the ear, otalgia, etc.; these applications in the form of hot salt and bran bags, or hot water bottles, however, are usually only made to the external ear, the actual amount of heat, therefore, coming in contact with the external auditory canal and membrana tympani is necessarily slight. It has often occurred to me, while treating various forms of ear diseases, that the direct application of heated dry air to the drumhead and middle ear would be desirable, provided we had an apparatus whereby the degree of heat could be regulated, and by the aid of which it could be readily obtained and applied. I have now such an apparatus, having found it to answer the desired purpose. It is a modification of an instrument which was first devised for
VANSANT EL. A NOVEL METHOD FOR THE USE OF DRY HEAT IN THE MIDDLE EAR DISEASE, OTALGIA, ETC.. JAMA. 1897;XXIX(14):691–692. doi:10.1001/jama.1897.02440400027002g