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Nature Reviews Urology 3, 60–61 (1 February 2006) | doi:10.1038/ncpuro0376

Prevention of retrograde stone migration during ureteroscopy

Stephen P Dretler

Retrograde stone migration during ureteroscopy leads to longer operating times, more-invasive endoscopy, and an increase in residual stones and the need for secondary procedures. In this Viewpoint, the author describes his experience with the various devices developed to prevent stone migration, focusing on the Stone Cone.