Assertion: catheter | /r/HasProperty | hollow
Facets:
value: inside
type: LOCATION
Source sentences:
text: Tubes, lines, and catheters are hollow inside, and most are flexible for the removal of fluids.
text: In urinary catheterization, a catheter (hollow tube) is inserted into the bladder to drain or collect urine.
text: In general, a catheter is any type of hollow tube used move liquid from one place in the body to another, and is often associated with medical procedures involving the draining of fluids from different places, such as the bladder.