| 摘要 |
PCT No. PCT/NL96/00432 Sec. 371 Date Sep. 16, 1998 Sec. 102(e) Date Sep. 16, 1998 PCT Filed Nov. 1, 1996 PCT Pub. No. WO97/16218 PCT Pub. Date May 9, 1997The invention relates to a system for treating the ureter and/or the pyelo-ureter junction, comprising: a widener for widening a constriction, a guide for guiding the widener through the urethra, bladder and ureter, wherein the guide is introducible into the patient through the urethra, bladder and ureter to extend beyond pyelo-ureter junction, whereafter the widener is introducible along the guide and is subsequently able to be widened in order to widen the constriction whereafter the widener is removable. |
