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December 21, 1918


Author Affiliations

Charlotte, N. C.

From the Crowell Urological Clinic.

JAMA. 1918;71(25):2057. doi:10.1001/jama.1918.26020510003009c

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While performing a seminal vesiculectomy some time ago, it occurred to me that the operation could be greatly facilitated by the use of a tractor inserted into the bladder, through the urethra, which has the same curve as that of a sound. For this purpose I therefore designed the one shown in the accompanying illustration.

It consists of two fenestrated blades attached to shafts, the inner one of which has a cable in the curved portion which allows one of the blades to revolve around the other. There are two handles at the outer end of the shaft which regulate the rotation of the blades after insertion into the bladder through the urethra. When inserted, the handles are rotated from each other to open the blades within the bladder. The gland is thus pulled into the operative field and at the same time the handle of the instrument is out

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