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Article
April 14, 1888

MEDICAL PROGRESS.

JAMA. 1888;X(15):460-462. doi:10.1001/jama.1888.02400410016002
Abstract

Physics of the Male Urethra.  Mr. W. W. Wagstaffe says: I have been struck, during the passage of catheters and bougies in the out-patient room, with the fact that a natural twist is given to the instrument during its removal from the bladder and urethra of the male, a rotation very sensible to the feel, especially when light and flexible instruments are used. In order, therefore, to test the accuracy of one's impression I have adopted, after various trials, the simple one of using a bougie à boule of medium size (about No. 10 of English measurement). This is passed thoroughly into the bladder, and then withdrawn until a check is felt by the neck of the bladder. From this point the observation starts, and the distances are taken from this start point.The degrees of rotation are estimated by means of a pin fixed vertically into the stem

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