Abstract
Having need of an outfit for a syringe for giving insulin which would be sterile at all times and could be used in traveling, and being unable to obtain the one that has been described by Striker,<sup>1</sup>I devised the arrangement shown, which is much simpler. A rubber tube about two-thirds inch in length is fitted around the barrel of the hypodermic syringe; a wide mouth vial or test tube into which this rubber tube will fit snugly is obtained and filled with isopropyl alcohol. The syringe is put together ready for use and placed in the outer tube, as shown. The plunger is all the way in before entry into the isopropyl alcohol. The alcohol displaced enters the barrel of the syringe. There is no leakage and the outfit is always sterile. Isopropyl alcohol soon evaporates from the syringe when air is drawn in a few times.
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