. The practice of anæsthetics . Fig. 33.—Bergers tongue-forceps. slip. Mr. Braine has designed a pair of tongue for-ceps, shown in fig. 34, the blades of which are flat-tened, and form a wedge when closed. They can,therefore, l)e inserted between the clenclied teeth, and AN.^STHESIA, AND THEIR TREATMENT I83 used as a mouth-opener first, and then as an ordinarypair of tongue-forceps afterwards. During operations within the mouth or nose, b!oodor pus will obstruct the breathing unless the throatbe frequently sponged out. Sometimes a post-pharyn-geal abscess will burst during the induction of ana
. The practice of anæsthetics . Fig. 33.—Bergers tongue-forceps. slip. Mr. Braine has designed a pair of tongue for-ceps, shown in fig. 34, the blades of which are flat-tened, and form a wedge when closed. They can,therefore, l)e inserted between the clenclied teeth, and AN.^STHESIA, AND THEIR TREATMENT I83 used as a mouth-opener first, and then as an ordinarypair of tongue-forceps afterwards. During operations within the mouth or nose, b!oodor pus will obstruct the breathing unless the throatbe frequently sponged out. Sometimes a post-pharyn-geal abscess will burst during the induction of anaes-thesia : hence, in these cases, it is well to insert a smalldental prop or some form of gag between the teethbefore commencing the administration ; and the headmust be turned well over to one side, so that, shouldthe abscess burst, the pus will escape from the mouthinstead of being inhaled : these same precautions. Fig. 34.—Braines Tongue-Forceps. should also be taken in cases of persistent is sometimes caused by the excessivesecretion of mucus and saliva due to ether. Thisshould be corrected by changing to chloroform beforeit is too late, and if the excessive secretion continuethe throat must be sponged out and the head keptturned to one side so that some of the mucus at leastcan run out of the mouth. Sponging should beavoided as far as possible, as it tends to increasethe secretion of mucus, and also makes the throatvery sore afterwards. Series.—I. I3 184 DIFFICULTIES AND DANGERS OF GENERAL Sitelliiig of the tissues in or about the upper air-passages will not cause obstruction in normal cases ;but in cases of large goitre, cellulitis of the neck,tiunours of the larynx, aneurysm, and in cases wherethere is any swelling which causes even slight oroccasional dyspnoea before the administration, all baginhalers must be avoided; as the congestion thatthey cause wi
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