Oscar M. Schloss, M.D.
JAMA. 1918;70(4):223. doi:10.1001/jama.1918.26010040001007a.
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The use of an ordinary test tube to collect urine from male infants has several disadvantages. Unless the closed end is strapped firmly to the thigh, it is apt to be higher than the penis, and as a consequence the urine leaks out as fast as it is voided. Moreover, the mouth of the test tube must be fastened so firmly that the lower edge may cause considerable pressure.

These difficulties are obviated by a tube made as illustrated.1 Another advantage is that the infant may change his position to a considerable degree without loss of the contained urine. The tube may be secured by means of a special band with abdominal and perineal straps, by means of floss around the abdomen and thighs, or by adhesive plaster.

Such tubes have been in use on Dr. L. E. La Fétra's service at Bellevue Hospital for about three years, and


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