. Anaesthetics : their uses and administration. the rousingeffect of the latter anaesthetic upon the patient bemused bythe drugs. The following method due to Dr. Ferguson, of EastOrange, New Jersey, , who was one of the first tointroduce and systematise the open ether method, is one ofthe best. Dr. Ferguson was good enough to demonstratehis method at University College Hospital, and convinced meof its value. 166 ANESTHETICS. Fergusons Inhaler for the Adjnhnistration ofEther by the Open Drop Method.* The apparatus consists of a wire frame, fig. 34, so con-structed that over the convex por
. Anaesthetics : their uses and administration. the rousingeffect of the latter anaesthetic upon the patient bemused bythe drugs. The following method due to Dr. Ferguson, of EastOrange, New Jersey, , who was one of the first tointroduce and systematise the open ether method, is one ofthe best. Dr. Ferguson was good enough to demonstratehis method at University College Hospital, and convinced meof its value. 166 ANESTHETICS. Fergusons Inhaler for the Adjnhnistration ofEther by the Open Drop Method.* The apparatus consists of a wire frame, fig. 34, so con-structed that over the convex portion, A (figs. 34 and 37),several layers of surgical gauze may be stretched and heldtaut in position by the flexible wire, E (fig. 35), as illus-trated in fig. ^T. The whole is covered with a Canton flannelhood (fig. 36), so made that it can be drawn up closelyagainst the flexible face wire, B (figs. 34 and 37), and gatheredon top so as to leave an opening, G (figs. 36 and i^]^, three-fourths of an inch or an inch in diameter. In this way two. Fig. 34.—Fergusons mask with parts separate. chambers, K and M (fig. 37), are formed, in the upper ofwhich the ether and air become mingled Vv^hile the patientinhales the mixture from the lower one. Directions for Use.—Remove the flexible retaining wire, E(fig. 34), and then fit the wire frame, A, B, C, E, accurately totlie face of the patient, so that no air can enter between theinhaler and the face. As the face wire, B, and the convexportion. A, are made of very flexible wire, the fitting canbe easily done by bending the wire between the , if the face be long and narrow, the inhaler maybe lengthened by pulling it out in the line of its majoraxis. If the face be broad the instrument may be widened * See Dr. Fergusons article on the inhaler in Journal American MedicalAssociation, Dec. 30, 1905. The description in the text is given mainly inDr. Fergusons own words. ETHER. 167 by pulling it out in the line of its minor ax
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