. Antiseptic surgery : an address delivered at St. Thomas's Hospital : with the subsequent debate to which are added a short statement of the theory of the antiseptic method, a description of the materials employed in carrying it out, and some applications of the method to operations and injuries in different regions of the body, and to wounds received in war. Fig. 31.—Dressing for a compound fracture of leg. one is removed, when the wound is on the posterior aspect ofthe limb or there are counter-openings. I find that Dressers seldom know the best way to prepareplaster of Paris for use. It is
. Antiseptic surgery : an address delivered at St. Thomas's Hospital : with the subsequent debate to which are added a short statement of the theory of the antiseptic method, a description of the materials employed in carrying it out, and some applications of the method to operations and injuries in different regions of the body, and to wounds received in war. Fig. 31.—Dressing for a compound fracture of leg. one is removed, when the wound is on the posterior aspect ofthe limb or there are counter-openings. I find that Dressers seldom know the best way to prepareplaster of Paris for use. It is often made too thick, and setstoo soon; or, it is too thin, and additional plaster is addedat the last moment, which makes the mixture lumpy and 188 ANTISEPTIC SURGERY. unmanageable. A sufficient quantity of water for the pur-pose in hand should be first poured into a basin, and thenthe plaster lightly shaken into it, handful after handful,or spoonful by spoonful, but luithout stirring, until theplaster just begins to float on the surface of the water ; thenenough of plaster has been added, and, on stirring, it willquickly blend with the water, and a homogeneous mixture,of the proper consistence, that of thick cream, will be theconstant result. In this the flannel strips are dipped, and they will take. Fig. 32.—Dr. Walkers roller, for preparing bandages with wet plaster ofParis. The trough is filled with plaster of Paris, mixed with water inproper proportion. If some gum be added, it retards the setting and givesmore time for the necessary manipulations. the mixture better, and form a stronger and more durablesplint if they have been previously wetted, all superfluouswater being wrung out. Thus encased, it is very easy tosuspend a limb by loops of bandage to a bed-cradle, or bymeans of telegraph wire rods introduced into the substanceof the splint it may be hung up to a support above thepatients bed (fig. 29). The bandages used to fix and strengthen the splints maybe prepa
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