Ureteral stents, drainage tubes and the like

摘要

A ureteral stent of a small tubular size, e.g., 6 French, with an enlarged entry end of the stent tube, a dissolving tip of satisfactory strength and dimension that can be secured in the tube and a bore that can be incorporated in the tip enabling passage of an 0.038 inch guidewire having the desired stiffness characteristics. Stents according to the invention incorporate a tip of sufficiently large size that the tip can be reliably manufactured and secured to the stent body. The invention also includes medical devices with informational markings formed by application of laser radiation.