Operative surgery . inserted firm-ly into the open end of the tube (Fig. 1255), the stopcock reversed, thus establishing aspiration, which is maintained so long as the bag is expanding. The chest is then dressed and the apparatus duly fastened in place as indicated in Fig. 1256. The patient can goabout comfortablywith the apparatusin action without at-tracting special at-tention. AVhen thebag is nearly dis-tended, the stopcockshould be closed, thebag cleansed, againcollapsed, reapplied,and the stopcockopened. The Precautions.—If brisk and forci-ble asjiiration by thesyringe be made, thetube wi
Operative surgery . inserted firm-ly into the open end of the tube (Fig. 1255), the stopcock reversed, thus establishing aspiration, which is maintained so long as the bag is expanding. The chest is then dressed and the apparatus duly fastened in place as indicated in Fig. 1256. The patient can goabout comfortablywith the apparatusin action without at-tracting special at-tention. AVhen thebag is nearly dis-tended, the stopcockshould be closed, thebag cleansed, againcollapsed, reapplied,and the stopcockopened. The Precautions.—If brisk and forci-ble asjiiration by thesyringe be made, thetube will collapse Fig. 1254.—Aspiration of the cavity, a. Segment ot glass lube. (Fig. 1253), andCavity aspirated and stopcockclosed to prevent admission ^^^^^ ^|jg discharo-e will be tinged withblood, which can be noted through the glass segment of the tube. Continu-ous and mild aspiration is safer and quite as effective as the vigorous in themajority of instances. The degree of distention of the bag should be fre-71. 1028 OPERATIVE SURGERY.
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