acorn-tipped catheter

acorn-tipped catheter
a catheter used in ureteropyelography to occlude the ureteral orifice and prevent backflow from the ureter during and following the injection of an opaque medium.

Medical dictionary. 2011.

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  • catheter — 1. A tubular instrument to allow passage of fluid from or into a body cavity or blood vessel. SEE ALSO: line (4). 2. Especially a c. designed to be passed through the urethra into the bladder to drain it of retained …   Medical dictionary

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