Feasibility Study of the Uriprene Stent Following Uncomplicated Ureteroscopy

Exclusion Criteria

• •1. Patients with a known contraindication for treatment with the Uriprene® Stent.
• •2. Patients with a history of an anatomical abnormality of the urinary tract.
• •3. Patients with a known upper or lower urinary tract infection at the time of stent insertion.
• •4. Patients with known renal insufficiency or chronic impairment.
• •5. Any condition, in the opinion of the investigator, in whom patients would not be eligible for treatment with the Uriprene® Stent.
• •6. Pregnant or lactating women, or women of childbearing potential who do not employ a reliable method of contraception as judged by the Investigator.
• •7. Patients who consume more than 14 drinks of alcohol per week (as this may affect degradation of the stent).
• •8. Presence of ureteral blockage or stricture
• •9. After failed guide wire placement or failed ureteroscopic access
• •10. Impacted ureteral stones still in place
• •11. Patients predisposed to urinary stasis e.g. neurogenic bladder, bladder outlet obstruction, known pregnancy
• •12. Patients with a solitary kidney
• •13. Presence of ureteral fistula
• •14. Presence of ureteral tumor
• •15. Presence of extrinsic compression of the ureter
• •16. Urinary tract infection
• •17. Staghorn calculi