Abstract This prospective ex vivo study investigated microdamage to single-use flexible ureteroscopes (fURS) after ureteroscopy and endoscopic combined intrarenal surgery (ECIRS). The performance of 30 WiScope devices (OTU Medical. San Jose. CA. https://www.diegojavierfares.com/flash-offer-Finney-Two-Handle-High-Arc-Bathroom-Faucet-p8561-super-offer/