| 摘要 |
A heat exchanger for medical use, in particular a cardioplegia heat exchanger is disclosed. In one embodiment, this heat exchanger comprises a heat transfer element (14) having a closed first end (54) and a substantially opposing second end (56) and being provided with at least one helical corrugation (42) extending between the first and second ends; an outer member (12) surrounding the at least one corrugation and together with the heat transfer element defining a first, helical flow path, the outer member having inlet and outlet apertures (28, 30) located adjacent opposite ends of the heat transfer partially; and an inner member (74) located at least partially within the heat transfer element and together with the heat transfer element defining a second helical flow path intermeshing with the first helical flow path, the inner member having inlet and outlet apertures located adjacent opposite ends of the heat transfer element. |
