Continuous irrigation after prostatectomy and drainage after perineal section have always been more or less of a bête noire to surgeons. Dr. H. H. Young, of Baltimore, recommended the stitching together of two catheters, and this has proved an excellent expedient. Acting on that suggestion, I have designed a double tube for drainage and irrigation. This is a double soft rubber catheter in one piece, and has proved much more effective. The smaller section is the inflow and the larger the outflow; at the vesical extremity of each there are two openings, one at the end and one at the side. At the outer end the catheters are not joined for a distance of six inches, thus allowing them to diverge at any angle for convenience of attachment to the supply and drainage receptacles, respectively.
The greatest advantages of this instrument are. first, that, on account of the large lumen