Disclosed is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit. The apparatus has an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus. The apparatus comprises: a core that is subst
Disclosed is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit. The apparatus has an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus. The apparatus comprises: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the inlet; a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core and between which blood from the core can move radially outward; and an oxygenator comprising a plurality of gas exchange elements that are arranged around the heat exchanger and between which blood from the heat exchanger can move radially outward before exiting the apparatus through the outlet.
대표청구항▼
1. An apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the apparatus having a blood inlet and a blood outlet that is located radially outward from the blood inlet in order to define a flowpath through the apparatus, the apparatus comprising: a core tha
1. An apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the apparatus having a blood inlet and a blood outlet that is located radially outward from the blood inlet in order to define a flowpath through the apparatus, the apparatus comprising: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the blood inlet, the blood inlet being centrally located along the apparatus;a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core and between which blood from the core can move radially outward;an oxygenator comprising a plurality of gas exchange elements that are arranged around an entirety of the heat exchanger and between which blood from the heat exchanger can move radially outward before exiting the apparatus through the blood outlet, wherein at least some of the plurality of gas exchange elements of the oxygenator are wound directly onto and directly contact at least some of the plurality of heat transfer elements of the heat exchanger;wherein the core, heat exchanger and oxygenator are radially arranged within a housing having a peripheral wall radially positioned with respect to the oxygenator, a first end cap closing one open side of the peripheral wall and a second end cap closing another open side of the peripheral wall, the blood inlet being provided through the first end cap and the blood outlet being provided through the peripheral wall so as to be radially positioned to the core for controlling the flowpath from the core to the blood outlet. 2. The apparatus of claim 1, wherein the plurality of heat transfer elements are arranged concentrically about the core. 3. The apparatus of claim 1, wherein the plurality of gas exchange elements are arranged concentrically about the heat exchanger. 4. The apparatus of claim 1, wherein the core comprises a lumen having a longitudinal axis and a plurality of openings through which blood can move radially outward to the heat exchanger. 5. The apparatus of claim 4, wherein the blood can move axially along the lumen of the core until reaching the plurality of openings and then can move radially outward through the plurality of openings in a substantially transverse direction to the longitudinal axis. 6. The apparatus of claim 4, wherein blood can move radially outward from the core to the heat exchanger through substantially all of 360 degrees around the longitudinal axis. 7. The apparatus of claim 1, wherein the plurality of heat transfer elements include a lumen to which a fluid medium can be supplied in order to control the temperature of blood that can move between the plurality of heat transfer elements. 8. The apparatus of claim 7, wherein the plurality of heat transfer elements are arranged such that movement of the fluid medium through the plurality of heat transfer elements is substantially transverse to the radially outward direction that blood can move between the plurality of heat transfer elements. 9. The apparatus of claim 1, wherein the plurality of gas exchange elements comprise a lumen through which an oxygen-containing gas medium can be supplied in order to oxygenate blood that can move between the plurality of gas exchange elements. 10. The apparatus of claim 9, wherein the plurality of gas exchange elements are arranged such that the movement of the gas medium through the plurality of gas exchange elements is substantially transverse to the radially outward direction that blood can move between the plurality of gas exchange elements. 11. The apparatus of claim 1, further comprising a filter that is arranged around the oxygenator and through which blood moving radially outward from the oxygenator can move before exiting the apparatus through the outlet. 12. The apparatus of claim 1, wherein the core comprises a longitudinal axis and blood can move radially outward from the oxygenator through substantially all of 360 degrees around the longitudinal axis. 13. The apparatus of claim 1, further comprising a filter including filter media, wherein the filter media is wound in between the plurality of gas exchange elements. 14. The apparatus of claim 1, further comprising a filter through which blood can move before exiting the apparatus through the blood outlet. 15. The apparatus of claim 1, wherein the core comprises a longitudinal axis and blood can move radially outward from the heat exchanger through substantially all of 360 degrees around the longitudinal axis. 16. The apparatus of claim 1, further comprising a filter including filter media, wherein at least a portion of the filter media of the filter is located within the oxygenator. 17. An apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the apparatus having a blood inlet and a blood outlet that is located radially outward from the blood inlet in order to define a flowpath through the apparatus, the apparatus comprising: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the blood inlet, the blood inlet being centrally located along the apparatus;a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core such that blood can move radially outward through the heat exchanger, each of the heat transfer elements terminating at opposing first and second end sections;an oxygenator comprising a plurality of gas exchange elements that are arranged around an entirety of the heat exchanger, each of the gas exchange elements terminating at opposing first and second end portions;a first potting structure encompassing the first end sections and the first end portions;a second potting structure encompassing the second end sections and the second end portions;wherein the first potting structure is separated from the second potting structure by a longitudinal spacingand further wherein the apparatus is configured such that relative to an entirety of the longitudinal spacing between the first and second potting structures, blood can move from the heat exchanger to the oxygenator without structural obstruction between the heat exchanger and the oxygenator and radially outward through the oxygenator before exiting the apparatus through the blood outlet. 18. The apparatus of claim 17, wherein the plurality of heat transfer elements are arranged concentrically about the core. 19. The apparatus of claim 17, wherein the plurality of gas exchange elements are arranged concentrically about the heat exchanger. 20. The apparatus of claim 17, wherein blood can move from the core to the heat exchanger without structural obstruction. 21. The apparatus of claim 17, wherein the core includes a lumen having a longitudinal axis and a plurality of openings through which blood can move radially outward to the heat exchanger. 22. The apparatus of claim 21, wherein the blood can move axially along the lumen of the core until reaching the plurality of openings and then can move radially outward through the plurality of openings in a substantially transverse direction to the longitudinal axis. 23. The apparatus of claim 22, wherein blood can move radially outward through substantially all of 360 degrees around the longitudinal axis of the core. 24. The apparatus of claim 17, wherein the plurality of heat transfer elements include a lumen through which a fluid medium can be supplied in order to control the temperature of blood that can move between the plurality of heat transfer elements. 25. The apparatus of claim 24, wherein the plurality of heat transfer elements are arranged such that movement of the fluid medium through the plurality of heat transfer elements is substantially transverse to the radially outward direction that blood can move between the plurality of heat transfer elements. 26. The apparatus of claim 17, wherein the plurality of gas exchange elements include a lumen through which an oxygen-containing gas medium can be supplied in order to oxygenate blood that can move between the plurality of gas exchange elements. 27. The apparatus of claim 26, wherein the plurality of gas exchange elements are arranged such that the movement of the gas medium through the plurality of gas exchange elements is substantially transverse to the radially outward direction that blood can move between the plurality of gas exchange elements. 28. The apparatus of claim 17, further comprising a filter that is concentrically arranged about the oxygenator and through which blood moving radially outward from the oxygenator can move before exiting the apparatus through the blood outlet. 29. The apparatus of claim 17, wherein the core comprises a longitudinal axis and blood can move radially outward from the oxygenator through substantially all of 360 degrees around the longitudinal axis. 30. The apparatus of claim 17, further comprising a housing that retains the core, the heat exchanger and the oxygenator. 31. The apparatus of claim 30 wherein the housing includes the blood inlet, which is in communication with the core. 32. The apparatus of claim 30, wherein the housing includes the blood outlet, which is located radially outward from the oxygenator. 33. The apparatus of claim 17, wherein the plurality of heat transfer elements are wound on the core. 34. The apparatus of claim 17, wherein the plurality of gas exchange elements are wound on the heat exchanger. 35. The apparatus of claim 34, further comprising a filter including filter media, wherein the filter media is wound in between the plurality of gas exchange elements. 36. The apparatus of claim 17, further comprising a filter through which blood can move before exiting the apparatus through the outlet. 37. The apparatus of claim 17, wherein the core comprises a longitudinal axis and blood can move radially outward from the heat exchanger through substantially all of 360 degrees around the longitudinal axis. 38. The apparatus of claim 17, further comprising a filter including filter media, wherein at least a portion of the filter media of the filter is located within the oxygenator. 39. An apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the apparatus having a blood inlet and a blood outlet that is located radially outward from the blood inlet in order to define a flowpath through the apparatus, the apparatus comprising: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the blood inlet, the blood inlet being centrally located along the apparatus;a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core such that blood can move radially outward through the heat exchanger; andan oxygenator comprising a plurality of gas exchange elements that are arranged around an entirety of the heat exchanger such that blood can move from the heat exchanger to the oxygenator without structural obstruction between the heat exchanger and the oxygenator and radially outward through the oxygenator before exiting the apparatus through the blood outlet,wherein the core, heat exchanger and oxygenator are radially arranged within a housing having a peripheral wall radially positioned with respect to the oxygenator, a first end cap closing one open side of the peripheral wall and a second end cap closing another open side of the peripheral wall, the first end cap including a circular wall portion extending internally to a terminal end radially positioned between potted ends of the heat transfer elements and potted ends of the gas exchange elements so as to separate fluid flow to the heat exchanger and the oxygenator within a potted portion including ends of the heat transfer elements, ends of the gas exchange elements, and the terminal end of the circular wall. 40. The apparatus of claim 39, wherein the second end cap includes a circular wall portion extending internally to a radial position between opposite ends of the heat transfer elements and opposite ends of the gas exchange elements so as to separate the heat exchanger from the oxygenator.
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