Geneva, July 7 -- International Clinical Trials Registry received information related to the study (ChiCTR2600127148) titled 'Safety Study of Ureteral Stents with Strings' on June 25.
Study Type: Interventional study
Study Design:
Parallel
Primary Sponsor: The Fifth Affiliated Hospital Sun Yat sen University
Condition:
Upper Urinary Tract Calculi
Intervention:
Research group (2 weeks):A string-attached ureteral stent was indwelled postoperatively and removed two weeks after surgery.
control group(4 weeks):A conventional ureteral stent is indwelled postoperatively and removed via cystoscopy four weeks after surgery.
control group(2 weeks):A conventional ureteral stent is indwelled postoperatively and removed via cystoscopy two week...