Assertion: catheter's balloon | /r/CapableOf | retain relative
Facets:
value: to the blood vessel
type: TRANSITIVE-OBJECT
Source sentences:
text: Then the second balloon 4d makes close contact with the inner wall 271 of the blood vessel 27, thereby retaining the catheter tube 1d relative to the blood vessel 27 and shutting off a further flow of blood 28 through the blood vessel 27 (to either the left or the right in the figure).