DISINFECTANTS FOR MUCOUS MEMBRANES 473 



above, then dip tliem into a warm saturated solution of potassium 

 permanganate for a few minutes or until they are well stained, and 

 then decolorize with a warm saturated solution of oxalic acid. 



Weir's Method. Scrub the hands with green soap and brush 

 under running hot water, then clean around and under the nails with 

 soft wood, then make a paste of equal parts of chlorinated lime and 

 sodium carbonate and water, and rub this cream over the hands un- 

 til all grittiness disappears, which will require about 5 minutes. 

 Push the paste around and under the nails with a sterile piece of 

 orange wood and finally rinse with sterile water. Harrington's 

 solution or the acetone pyxol method may be used if the hands of the 

 operator will stand them. 



Field of Operation. It is taken for granted that any necessary 

 shaving will be done before any of the following means of dis- 

 infection are employed: 



1. Scrub with soap and water, dry with, alcohol, apply two 

 paintings of tincture of iodine. 



2. Harrington's solution. Scrub the parts, dry with alcohol, 

 apply Harrington's solution with scrubbing for two minutes, wash 

 off with alcohol. A 1 : 1000 solution of bichloride of mercury in 

 TO per cent, alcohol is very efficient. 



3. Pyxol, acetone and alcohol method. This method has come 

 into considerable prominence as a disinfectant for the field of opera- 

 tion and surgeon's hands in human medicine, and has been used in 

 veterinary medicine. It consists of sponging the already cleaned 

 surface for two minutes with pyxol 2, alcohol 60, and acetone 40 ;, 

 then rinse in sterile water. The hands should be soaked for the: 

 same length of time. 



DISINFECTANTS FOR MUCOUS MEMBRANES 



Eye. Boric acid, silver nitrate and organic preparations of 

 silver, copper sulphate, yellow mercuric oxide ointment, boric acid 

 ointment, pyoktanin, zinc sulphate, bichloride of mercury. 



Nose. Menthol, boric acid, silver salts and those mentioned 

 above, hydrogen peroxide. 



Mouth and Throat. Boric acid, silver preparations, hydrogen 

 peroxide, mercuric chloride, ferric chloride, iodine. 



Vagina. Iodine, Lugol's solution, creolin, liquor cresolis com- 

 positus, phenol, ichthyol, mercuric chloride. 



Uterus. Iodine, iodoform, and any of the above. 



Urethra and Bladder. Boric acid, zinc sulphate, potassium 

 permanganate, silver preparations. 



Rectum. Boric acid, silver salts, glycerin, ichthyol. 



Skin Diseases. Tar, oil of tar, oil of cade, balsam of Peru, 

 benzoin, salicylic acid, resorcin, ichthyol, formaldehyde, mercuric 

 chloride, boric acid, sulphur, iodine. 



