Lectures on general anaesthetics in dentistry, advocating painless dental operations by the use of nitrous oxid, nitrous oxid and oxygen, chloroform, ether, ethyl chloride and somnoform . NO. i: LENNOX STAND. These cylinders can be placed at some distance from the chair,in another room if desired, and connected with the appliance bymeans of small rubber tubing. judge by the sound of the valves as to whether theyare in good working order. Satisfied on this point, theanjesthetic may now be admitted. The first few inhala-tions should be of pure nitrous oxid. As soon as duski- General Anccsthetics
Lectures on general anaesthetics in dentistry, advocating painless dental operations by the use of nitrous oxid, nitrous oxid and oxygen, chloroform, ether, ethyl chloride and somnoform . NO. i: LENNOX STAND. These cylinders can be placed at some distance from the chair,in another room if desired, and connected with the appliance bymeans of small rubber tubing. judge by the sound of the valves as to whether theyare in good working order. Satisfied on this point, theanjesthetic may now be admitted. The first few inhala-tions should be of pure nitrous oxid. As soon as duski- General Anccsthetics in Dentistr^\ 151 ness of the face is observed, turn the oxygen indicatorto 1 at first, then 2, and as the anaesthesia ad-vances, to 4 or 6 gradually. If you should begin. Clark Appliance, Lennox Carriage, large cylinders with pressure Gauges. with 6 or 8, the patient would manifest signs ofrestlessness and excitement. The frail, the delicate and the anasmic will admit of 153 General Anccsthetics in Dentistry. oxygen in larger proportion in the beginning than thevigorous, the plethoric and the athletic. With theaverage patient you can advance the indicator fivepoints in about thirty seconds, and in fifty-nine orsixty seconds to 8. The indication for more oxygenis the color of the face. There is no other rule. If theface assumes a dusky hue, the indicator may be ad-vanced still further. In the absence of duskiness anda tendency on the part of the patient to laugh or cryor move the hands and legs, the indicator should be setback a number or two. It is important that the amountof oxygen in the O bag should be equal to theamount of nitrous oxid in the NO bag. If this isnot the case, the nitrous will have more force be-hind it than the oxygen and the p
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1912
