| 摘要 |
A pipe-shaped ureter splint of a resilient material which in its position of use is located in the renal pelvis with one of its ends and with the other end in the bladder, wherein on the outside of the end provided for insertion into the bladder a thin-walled, soft, collapsible hose, of one-piece construction at least in its cross-section, is closely attached and projects beyond the front face of this end of the ureter splint, the cross-section of the hose has a shape that is oval, elliptical, or approximately the shape of an elongated rectangle wherein the transitions from the long to the short sides are rounded off, and the hose functions as an anti-backflow valve. |
