This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 Excerpt: ... 87.--Portable anaesthetometer tConnell.t Apparatus.--1. Connell's anaesthetometer. 2. Intratracheal catheter. 3. Laryngoscope and mouth prop. 1. The anaesthetometer (Fig. 87) has already bee...
Paperback: 74 pages
Publisher: RareBooksClub.com (March 3, 2012)
Product Dimensions: 7.4 x 0.2 x 9.7 inches
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ed on page 168 and in connection with intrapharyngeal insufflation on page 150 et seq. 2. The intratracheal catheter (Fig. 88). The best tube is the ordinary silk-woven urethral catheter (size 24 French) with a side opening near its end. The diameter of the catheter should be less than one-half the diameter of the glottis. A mark should be made 26 cm. from the tip. This mark indicates the limit to which the catheter may be introduced. This mark should not be permitted to pass the incisor teeth. In the normal patient such a catheter introduced this distance will be about 5 cm. above the bifurcation of the trachea. As a rule it will be found that the tube must be pushed once again the distance between the incisor teeth and the glottis. 3. The Jackson laryngoscope has proven entirely efficient (Fig. 89). This instrument affords a direct, electrically illuminated view of the glottis. By this inspection we are enabled to estimate the size of the catheter necessary and to introduce it with full knowledge that it is in the trachea and not in the oesophagus. The laryngoscope, which contains a small dry battery in the handle, is the most convenient pattern. The mouth prop (Fig. 88) is for the purpose of protecting the catheter from accidental injury as it lies between the upper and lower incisor teeth. The Administration.--Preliminary preparation: (a) Place half a dozen silk-wound urethral catheters, each marked 26 cm. (10-1/2 inches from the tip) in a pan of ice-water. (b) Start the anaesthetometer so that it is delivering 50 mm. vapor tension. See that the emergency...