. Diseases of children. rs should be immersed in i: 20carbolic solution for ten minutes; then thoroughly rinsedin sterUe water before introduction. 4/2 DISEASES OF CHILDREN FOR NURSES When ready to catheterize, dip the end of the catheterin carboHzed oil, i: 40. If the catheter touches anypart before entering the urethra it must be care is taken to avoid infection of the bladder. Whenremoving catheter it should be pinched to prevent theurine remaining in it from running out. If a glass catheteris used the finger should be placed over the opening. ASPIRATION OF THE CHEST A larg
. Diseases of children. rs should be immersed in i: 20carbolic solution for ten minutes; then thoroughly rinsedin sterUe water before introduction. 4/2 DISEASES OF CHILDREN FOR NURSES When ready to catheterize, dip the end of the catheterin carboHzed oil, i: 40. If the catheter touches anypart before entering the urethra it must be care is taken to avoid infection of the bladder. Whenremoving catheter it should be pinched to prevent theurine remaining in it from running out. If a glass catheteris used the finger should be placed over the opening. ASPIRATION OF THE CHEST A large needle, or trocar, and cannula is used to piercethe chest-wall. The instrument used is attached bymeans of a rubber tube to a vacuum pump from whichall the air must have been removed before the operation. The child should be prepared for operation in theusual way, the point of the proposed puncture having beenpreviously determined. The instruments used should besterilized. A small dressing is placed over the Fig. 125.—Paquelins cautery. Note that the benzene is contained in the handle ofthe apparatus (W. E. Ashton). PAQUELIN CAUTERY The metal reservoir, containing a sponge, should beabout one-third full of benzene. The platinum point to THERAPEUTICS 473 be used is screwed into position, the tube from the reser-voir is sKpped over the handle, the point is heated in thelamp, is removed from the flame, and by compressingthe bulbs previously connected with the reservoir, benzolvapor is forced into the point, which will heat up andcan be maintained at any temperature by the rapiditywith which the bulb is worked. METABOLIC BED The metabolic bed is a name applied to a speciallyarranged bed in which the child is suspended in such away that every drop of urine and feces is saved. The quantitative analysis of the excreta, comparedwith the known intake, gives the results of metabolismin the body and determines the nitrogen balances. CHAPTER XX WEIGHTS AND MEASURES; ABBREVIA
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