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The illustrated pad and cone were devised to make the administration of ether more agreeable to the patient and infinitely easier for the administrator as compared with the methods now used in over 85 per cent. of the hospitals.
Unless the anesthetic is in the hands of a professional it is usually given by using an Esmarch cone, towels, petrolatum, rubber tissue and moist cotton for the eyes, all of which are useless and hard to handle, and before the patient is asleep they are usually out of place and the eyes exposed to the ether vapors. The cone in this case does not fit, consequently the vapors escape down the sides of the patient's face, hence the waste of ether; and the administrator has no idea of the ether percentage he is giving, but hopes the patient will soon be asleep so he can arrange the towels, which he
Jones EM. NEW ETHER PAD AND CONE. JAMA. 1913;60(21):1619. doi:10.1001/jama.1913.04340210029013
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