A blood removal conduit assembly for use on a heart and for guiding blood in the heart from the heart to an auxiliary heart pump, comprising a blood removal conduit 110 of porous material and one end of the blood removal conduit 110 A blood removal conduit assembly 100, comprising: a cuff 120 attached to the part； and a first gas impermeable material layer 112 is formed on the outer peripheral surface of the blood removal conduit 110. According to the blood removal conduit assembly 100 of the present invention, it is possible to solve at least one of the three problems caused by the presence of the inflow cannula in the conventional blood removal conduit assembly. It becomes.
