[Flushing of obstructive ureteral calculi].

Management of obstructive upper ureteral calculi by first flushing the lithiasis to renal cavity and secondary extracorporeal lithotripsy is proposed as a routine guide-line, especially when treatment by ESWL is not immediately available. It that purpose a procedure is described allowing to flush calculi in all the cases, even if enclosed by oedema, dilated or flexible ureter.