Assertion: ureteral stent | /r/AtLocation | the ureter
Facets:
value: to prevent blockage of the kidney
type: PURPOSE
value: temporarily
type: TEMPORAL
Source sentences:
text: It is placed in the ureter, which is the tube that drains urine from the kidney to the bladder.
text: A ureteric stent, or ureteral stent, is a hollow drainage tube placed temporarily in the ureter to prevent blockage of the kidney and aid urine flow.