brush catheter

brush cath·e·ter

a ureteral catheter with a finely bristled brush tip that is endoscopically passed into the ureter or renal pelvis and, by gentle to-and-fro movement, brushes cells from the surface of suspected tumors.

brush cath·e·ter

(brŭsh kath'ĕ-tĕr)
A ureteral catheter with a finely bristled brush tip that is endoscopically passed into the ureter or renalpelvis and by gentle to-and-fro movementbrushes cells from the surface of suspected tumors.