Modern surgery, general and operative . has been impacted stone in the right ureter. In 3 casesseen by Stellwagen appendectomy had failed to cure. In each case a stone wassubsequently removed from the ureter and the patient cured. An impactedstone in the ureter may often be dislodged by passing a catheter into the ureterand, if possible, beyond the stone. A few minims of sterile olive oil are theninjected through the catheter, which act as a lubricant and assist in the passageof the stone. Dilatation of the ureteralorifice, by leaving the catheter in sUuor passing a second instrument alongside
Modern surgery, general and operative . has been impacted stone in the right ureter. In 3 casesseen by Stellwagen appendectomy had failed to cure. In each case a stone wassubsequently removed from the ureter and the patient cured. An impactedstone in the ureter may often be dislodged by passing a catheter into the ureterand, if possible, beyond the stone. A few minims of sterile olive oil are theninjected through the catheter, which act as a lubricant and assist in the passageof the stone. Dilatation of the ureteralorifice, by leaving the catheter in sUuor passing a second instrument alongside of the first, will often cause the stoneto pass into the bladder. Disinfection of Urethral Catheters.—Metallic instruments are cleansedby boiling. Soft-rubber and elastic catheters can be sterilized by mechanicalcleansing with soap and water and boiling for five minutes. The commoncustom of immersing a soft-rubber or elastic catheter for five minutes in aI : 2000 solution of corrosive sublimate is a useless waste of time, as such a. Fig. -X-ray photograph, showing the course of the ureters by wires in the catheters,by Dr. W. F. Manges.) (Taken procedure will not sterilize an infected instrument. Formalin vapor is not re-liable. A catheter coated with varnish or resin cannot be placed in steam, andcannot be boiled in water if it is allowed to touch the metal of the boiler oranother catheter. Woven and varnished instruments can be boiled in saltwater (3 drams of salt to i pint of water), provided each instrmnent is wrappedin a piece of gauze so that it cannot touch another instrmnent or the side orbottom of the metal sterilizer. This plan secures the most certain , after being cleansed mechanically and disinfected, may be kept readyfor use in a glass cylinder containing calcium chlorid (R. W. Frank, in Berlinerklin. Woch., No. 44, 1895). By this plan the catheters can be kept prefer to keep them in a glass cylinder containing a few fo
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectsurgery
