Assertion: liotta cooley artificial heart | /r/HasProperty | implanted into patient
Facets:
value: in 1969
type: TEMPORAL
value: as a stopgap measure
type: PURPOSE
Source sentences:
text: The Liotta-Cooley artificial heart was implanted into a patient in 1969 as a stopgap measure; it was replaced with a donor's heart a few days later, but the patient died soon thereafter.