Ureteral introducer sheath, used to create a catheter during endoscopic urological procedures, thus facilitating access to the urinary tract for endoscopes and other instruments. The working channel protects the ureter during repeated instrument changes. The sheath also protects delicate instruments and smaller flexible oscilloscopes from damage. The sheath has a hydrophilic coating that creates a low-friction surface when the ureter is dilated. https://biocoating.cd-bioparti....cles.net/ureteral-in
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