| 摘要 |
An apparatus for performing an aortal valvular surgery intervention on a beating heart comprises an outer mechanical circuit including a biopump and an infusion aortal cannula and being characterized in that it further comprises a left atrial cannula adapted to occlude the mitral valve so as to directly convey oxygened blood through a raising aorta by the outer mechanical circuit, thereby allowing to perform a cross aortotomy for exposing the aortic valve to operate thereon in an "open sky" manner.
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