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    • 4. 发明申请
    • BLOOD TREATMENT SYSTEMS AND METHODS
    • 血液处理系统和方法
    • WO2014144909A3
    • 2014-12-31
    • PCT/US2014029509
    • 2014-03-14
    • DEKA PRODUCTS LP
    • WILT MICHAEL JVAN DER MERWE DIRK ADALE JAMES DTRACEY BRIAN DGRANT KEVIN LDEMERS JASON AFLYNN CATHARINE N
    • A61M1/10
    • A61M1/1601A61M1/1006A61M1/1037A61M1/106A61M1/1086A61M1/14A61M2205/12A61M2205/3334F04B43/02
    • The present invention generally relates to hemodialysis and similar dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. According to one aspect, a blood pump is configured to pump blood to a dialyzer of a hemodialysis apparatus, the blood pump comprising a pneumatically actuated or controlled reciprocating diaphragm pump. In an embodiment, the diaphragm of the pump comprises a flexible membrane formed or molded to generally conform to a curved inner wall of a pumping chamber or control chamber of the pump, wherein the diaphragm is pre-formed or molded to have a control side taking a convex shape, so that any elastic tension on the diaphragm is minimized when fully extended into a control chamber of the pump. In another aspect, a system for monitoring the adequacy of blood flow in a blood line of the hemodialysis apparatus allows a controller to suspend dialysate pumping operations if the adequacy of blood flow in the blood line is sub-optimal, and to present information on a display on the quality of blood flow in the blood line.
    • 本发明一般涉及血液透析和类似的透析系统,包括使血液透析更有效,更容易和/或更经济的各种系统和方法。 本发明的一个方面通常涉及用于流体流动的新型流体回路。 根据一个方面,血泵配置为将血液泵送到血液透析装置的透析器,所述血泵包括气动致动或控制的往复隔膜泵。 在一个实施例中,泵的隔膜包括柔性膜,其形成或模制成大致符合泵的泵室或控制室的弯曲内壁,其中膜片预成型或模制成具有控制侧取 凸形,以便当完全延伸到泵的控制室中时使隔膜上的任何弹性张力最小化。 另一方面,用于监测血液透析装置的血液管线中的血流充分性的系统允许控制器在血液线路中血流的充分性是次优的情况下暂停透析液泵送操作,并且呈现关于 显示血液中血流的质量。
    • 5. 发明专利
    • BLOOD TREATMENT SYSTEMS AND METHODS
    • AU2021204241B2
    • 2022-08-11
    • AU2021204241
    • 2021-06-23
    • DEKA PRODUCTS LP
    • BALLANTYNE TODD ANDREWGRANT KEVIN LWILT MICHAEL JVAN DER MERWE DIRKROSSE JONATHAN PFLYNN CATHARINE NYEE BRIAN K
    • A61M1/16A61M1/34A61M1/36A61M60/268G06F1/16
    • The present invention generally relates to hemodialysis and similar dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. In one set of embodiments, a hemodialysis system may include a blood flow path and a dialysate flow path, where the dialysate flow path includes one or more of a balancing circuit, a mixing circuit, and/or a directing circuit. Preparation of dialysate by the preparation circuit, in some instances, may be decoupled from patient dialysis. In some cases, the circuits are defined, at least partially, within one or more cassettes, optionally interconnected with conduits, pumps, or the like. In one embodiment, the fluid circuit and/or the various fluid flow paths may be at least partially isolated, spatially and/or thermally, from electrical components of the hemodialysis system. In some cases, a gas supply may be provided in fluid communication with the dialysate flow path and/or the dialyzer that, when activated, is able to urge dialysate to pass through the dialyzer and urge blood in the blood flow path back to the patient. Such a system may be useful, for example, in certain emergency situations (e.g., a power failure) where it is desirable to return as much blood to the patient as possible. The hemodialysis system may also include, in another aspect of the invention, one or more fluid handling devices, such as pumps, valves, mixers, or the like, which can be actuated using a control fluid, such as air. In some cases, the control fluid may be delivered to the fluid handling devices using an external pump or other device, which may be detachable in certain instances. In one embodiment, one or more of the fluid handling devices may be generally rigid (e.g., having a spheroid shape), optionally with a diaphragm contained within the device, dividing it into first and second compartments.
    • 6. 发明专利
    • Blood treatment systems and methods
    • AU2012259459B2
    • 2016-06-02
    • AU2012259459
    • 2012-05-24
    • DEKA PRODUCTS LP
    • WILT MICHAEL JVAN DER MERWE DIRK ABALLANTYNE TODD AGRANT KEVIN IROSSE JONATHAN PFLYNN CATHARINE NYEE BRIAN K
    • A61M1/10A61M1/16A61M1/34A61M1/36G06F1/16
    • There is disclosed herein dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. In one set of embodiments, a hemodialysis system may include a blood flow path and a dialysate flow path, where the dialysate flow path includes one or more of a balancing circuit, a mixing circuit, and/or a directing circuit. Preparation of dialysate by the preparation circuit, in some instances, may be decoupled from patient dialysis. In some cases, the circuits are defined, at least partially, within one or more cassettes, optionally interconnected with conduits, pumps, or the like. In one embodiment, the fluid circuit and/or the various fluid flow paths may be at least partially isolated, spatially and/or thermally, from electrical components of the hemodialysis system. In some cases, a gas supply may be provided in fluid communication with the dialysate flow path and/or the dialyzer that, when activated, is able to urge dialysate to pass through the dialyzer and urge blood in the blood flow path back to the patient. Such a system may be useful, for example, in certain emergency situations (e.g., a power failure) where it is desirable to return as much blood to the patient as possible. The hemodialysis system may also include, in another aspect of the invention, one or more fluid handling devices, such as pumps, valves, mixers, or the like, which can be actuated using a control fluid, such as air. In some cases, the control fluid may be delivered to the fluid handling devices using an external pump or other device, which may be detachable in certain instances. In one embodiment, one or more of the fluid handling devices may be generally rigid (e.g., having a spheroid shape), optionally with a diaphragm contained within the device, dividing it into first and second compartments.
    • 7. 发明专利
    • BLOOD TREATMENT SYSTEMS AND METHODS
    • SG195155A1
    • 2013-12-30
    • SG2013087200
    • 2012-05-24
    • DEKA PRODUCTS LP
    • WILT MICHAEL JVAN DER MERWE DIRK ABALLANTYNE TODD AGRANT KEVIN LROSSE JONATHAN PFLYNN CATHARINE NYEE BRIAN K
    • There is disclosed herein dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. In one set of embodiments, a hemodialysis system may include a blood flow path and a dialysate flow path, where the dialysate flow path includes one or more of a balancing circuit, a mixing circuit, and/or a directing circuit. Preparation of dialysate by the preparation circuit, in some instances, may be decoupled from patient dialysis. In some cases, the circuits are defined, at least partially, within one or more cassettes, optionally interconnected with conduits, pumps, or the like. In one embodiment, the fluid circuit and/or the various fluid flow paths may be at least partially isolated, spatially and/or thermally, from electrical components of the hemodialysis system. In some cases, a gas supply may be provided in fluid communication with the dialysate flow path and/or the dialyzer that, when activated, is able to urge dialysate to pass through the dialyzer and urge blood in the blood flow path back to the patient. Such a system may be useful, for example, in certain emergency situations (e.g., a power failure) where it is desirable to return as much blood to the patient as possible. The hemodialysis system may also include, in another aspect of the invention, one or more fluid handling devices, such as pumps, valves, mixers, or the like, which can be actuated using a control fluid, such as air. In some cases, the control fluid may be delivered to the fluid handling devices using an external pump or other device, which may be detachable in certain instances. In one embodiment, one or more of the fluid handling devices may be generally rigid (e.g., having a spheroid shape), optionally with a diaphragm contained within the device, dividing it into first and second compartments.
    • 8. 发明专利
    • BLOOD TREATMENT SYSTEMS AND METHODS
    • AU2021204241A1
    • 2021-07-22
    • AU2021204241
    • 2021-06-23
    • DEKA PRODUCTS LP
    • BALLANTYNE TODD ANDREWGRANT KEVIN LWILT MICHAEL JVAN DER MERWE DIRKROSSE JONATHAN PFLYNN CATHARINE NYEE BRIAN K
    • A61M1/16A61M1/34A61M1/36A61M60/268G06F1/16
    • The present invention generally relates to hemodialysis and similar dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. In one set of embodiments, a hemodialysis system may include a blood flow path and a dialysate flow path, where the dialysate flow path includes one or more of a balancing circuit, a mixing circuit, and/or a directing circuit. Preparation of dialysate by the preparation circuit, in some instances, may be decoupled from patient dialysis. In some cases, the circuits are defined, at least partially, within one or more cassettes, optionally interconnected with conduits, pumps, or the like. In one embodiment, the fluid circuit and/or the various fluid flow paths may be at least partially isolated, spatially and/or thermally, from electrical components of the hemodialysis system. In some cases, a gas supply may be provided in fluid communication with the dialysate flow path and/or the dialyzer that, when activated, is able to urge dialysate to pass through the dialyzer and urge blood in the blood flow path back to the patient. Such a system may be useful, for example, in certain emergency situations (e.g., a power failure) where it is desirable to return as much blood to the patient as possible. The hemodialysis system may also include, in another aspect of the invention, one or more fluid handling devices, such as pumps, valves, mixers, or the like, which can be actuated using a control fluid, such as air. In some cases, the control fluid may be delivered to the fluid handling devices using an external pump or other device, which may be detachable in certain instances. In one embodiment, one or more of the fluid handling devices may be generally rigid (e.g., having a spheroid shape), optionally with a diaphragm contained within the device, dividing it into first and second compartments.
    • 10. 发明专利
    • BLOOD TREATMENT SYSTEMS AND METHODS
    • CA3111230A1
    • 2014-09-18
    • CA3111230
    • 2014-03-14
    • DEKA PRODUCTS LP
    • WILT MICHAEL JVAN DER MERWE DIRK ADALE JAMES DTRACEY BRIAN DGRANT KEVIN LDEMERS JASON AFLYNN CATHARINE N
    • The present invention generally relates to hemodialysis and similar dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. According to one aspect, a blood pump is configured to pump blood to a dialyzer of a hemodialysis apparatus, the blood pump comprising a pneumatically actuated or controlled reciprocating diaphragm pump. In an embodiment, the diaphragm of the pump comprises a flexible membrane formed or molded to generally conform to a curved inner wall of a pumping chamber or control chamber of the pump, wherein the diaphragm is pre-formed or molded to have a control side taking a convex shape, so that any elastic tension on the diaphragm is minimized when fully extended into a control chamber of the pump. In another aspect, a system for monitoring the adequacy of blood flow in a blood line of the hemodialysis apparatus allows a controller to suspend dialysate pumping operations if the adequacy of blood flow in the blood line is sub-optimal, and to present information on a display on the quality of blood flow in the blood line.