Autoscopy of the larynx and the trachea : (direct examination without mirror) . for extensive lateral movementsof the surgical instrument; but this is no loss,for we can seize nothing that we do not dis-tinctly see, and we can see only that distinctlywhich is brought well into view through theautoscope. With our left hand we must closelycontrol the position of the autoscope; our righthand remains free for the more delicate manip-ulations. (Fig. 9.) The instruments for autoscopic operationsare shaped like nasal instruments; theymeasure 20 centimetres from the knee to thetip, and are correspondi
Autoscopy of the larynx and the trachea : (direct examination without mirror) . for extensive lateral movementsof the surgical instrument; but this is no loss,for we can seize nothing that we do not dis-tinctly see, and we can see only that distinctlywhich is brought well into view through theautoscope. With our left hand we must closelycontrol the position of the autoscope; our righthand remains free for the more delicate manip-ulations. (Fig. 9.) The instruments for autoscopic operationsare shaped like nasal instruments; theymeasure 20 centimetres from the knee to thetip, and are correspondingly longer for thewindpipe. We are not under the necessity ofdevising new instruments; we simply trans-form our ordinary into an autoscopic armamen-tarium (Fig. 10, page 50) by having our laryn-goscopic models lengthened and bent, and therhinological ones simply lengthened. Endolaryngeal operations are comparatively AUTOSCOPY AND LARYNGOSCOPY. 49 easy with the autoscope aud comparativelydifficult with the laryngoscope. This factmight cause dissensions among Fig. 9.—Autoscopic Operation. To some it will appear self-evident that weshould not make a difficult operation out of aneasy one, that we should not construct obstaclesjust for the pleasure of overcoming them, and 50 AUTOSCOPY, that we should not seek to exercise the excep-tional skill of a specialist when ordinary surg-
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