A blood processing machine has a compact configuration in which the first and second parts of the machine separate to open a gap between them. The actuators and sensors face into the gap such that when a cartridge with a fluid circuit is placed in the gap and the two parts are brought together closi
A blood processing machine has a compact configuration in which the first and second parts of the machine separate to open a gap between them. The actuators and sensors face into the gap such that when a cartridge with a fluid circuit is placed in the gap and the two parts are brought together closing the gap, the actuators and sensor engage the fluid circuit. One of the parts has an operator interface with a display that is preferably aligned with the gap in such a way that the frontal area of the machine is minimized.
대표청구항▼
What is claimed is: 1. A blood treatment system, comprising: a blood processing machine having first and second parts that are connected together, the first and second parts being movable with respect to each other and being configured to separate to define a gap between a first face of the first p
What is claimed is: 1. A blood treatment system, comprising: a blood processing machine having first and second parts that are connected together, the first and second parts being movable with respect to each other and being configured to separate to define a gap between a first face of the first part and a first face of the second part in a loading configuration and to come together to close the gap in an operating configuration, the first part first face opposing the second part first face; a cartridge with a fluid circuit supported by the cartridge, the cartridge having a front face, a back face, a top edge, a bottom edge, and side edges, the fluid circuit and the cartridge being configured to fit into the gap; the blood processing machine having actuators and pumps facing the gap and configured to engage with portions of the fluid circuit when the blood processing machine is placed in the operating configuration with the cartridge in the gap; and a support mechanism between the first faces of the first and second parts of the blood processing machine, the support mechanism being configured such that the bottom edge of the cartridge can be rested thereon in the loading configuration so as to support the cartridge and to align the portions of the fluid circuit with said actuators and pumps for engagement of the portions of the fluid circuit therewith, wherein at least the side edges of the cartridge are free from contact with the support mechanism when the cartridge is rested thereon, wherein the bottom edge of the cartridge includes engagement surfaces that, upon the cartridge being inserted vertically into the blood processing machine, engage portions of the support mechanism such that the cartridge is progressively self-aligned with the actuators and pumps of the blood processing machine, and wherein the cartridge is configured such that it is progressively aligned in a lateral direction as the engagement surfaces travel along portions of the support mechanism toward a vertical travel limit. 2. A system as in claim 1, wherein the support mechanism is configured such that the cartridge can be positioned in the gap in a single vertical motion. 3. A system as in claim 1, wherein the blood processing machine has a base on the first part such that the first part is fixed and the second part moves relative to the base. 4. A system as in claim 1, further comprising a latch, wherein the first part is secured to the second part by said latch when the blood processing machine is placed in the operating configuration. 5. A system as in claim 1, wherein an operator interface is positioned on a second face of the second part such that the operator interface fits substantially within a front view of the blood processing machine. 6. A system as in claim 1, wherein the blood processing machine has a front view with a frontal area with a top edge and side edges; the first part has a chassis panel with pump rotors, line clamps, and sensors extending over substantially the entire first face thereof, the chassis panel facing the gap and extending fully between the blood processing machine side edges and from the support mechanism to the blood processing machine top edge. 7. A system as in claim 1, wherein a movement of the first and second parts from a loading configuration to an operating configuration engages the portions of the fluid circuit with the actuators and pumps and further supports the cartridge. 8. A system as in claim 1, wherein the first and second parts are displaceable relative to each other such that an angular orientation of the second part with respect to the first part is kept the same as the blood processing machine changes between the loading and operating configurations. 9. A system as in claim 8, wherein the first face of the first part remains parallel to the first face of the second part as the blood processing machine changes between the loading and operating configurations. 10. A system as in claim 1, wherein the fluid circuit is engageable with the actuators and the pumps and includes blood lines connectable to a patient blood access and fluids lines connectable to a source of fluid used in performing a blood treatment. 11. A system as in claim 1, wherein the support mechanism is configured to maintain alignment of the portions of the fluid circuit with the actuators and pumps when the blood processing machine changes from the loading configuration to the operating configuration. 12. A system as in claim 1, wherein the support mechanism is arranged such that the front face of the cartridge is parallel to the first face of the first part when the cartridge is rested on the support mechanism in the loading configuration and such that the front face of the cartridge remains parallel to the first face of the first part in the operating configuration. 13. A system as in claim 1, wherein the first part includes a peristaltic pump actuator and the second part includes a pump race, the peristaltic pump actuator and the pump race contacting the portions of the fluid circuit when the blood processing machine is in the operating configuration. 14. A system as in claim 1, wherein the second part includes a pump race that is biased with respect to the second part such that the pump race is urged against the portions of the fluid circuit when the blood processing machine is in the operating configuration. 15. A system as in claim 1, wherein the cartridge is laterally aligned with actuators and pumps on at least the first face of the first part as a result of, and immediately upon, being rested on the support mechanism in the loading configuration. 16. A system as in claim 1, wherein the cartridge is laterally aligned with actuators and pumps on both the first and second parts as a result of, and immediately upon, being rested on the support mechanism in the loading configuration. 17. A system as in claim 1, wherein the cartridge has at least one indentation adapted to interact with the support mechanism such that the cartridge fits on the support mechanism in an orientation with the actuators and pumps aligned to said portions of the fluid circuit and such that a movement of the first and second parts together to the operating configuration engages the actuators and pumps with said portions of the fluid circuit. 18. A system as in claim 1, wherein the cartridge only contacts the blood processing machine at the cartridge bottom edge when the cartridge is rested on the support mechanism in the loading configuration. 19. A system as in claim 1, wherein said cartridge bottom edge includes at least one recess configured to engage with the support mechanism when the cartridge is rested thereon. 20. A system as in claim 19, wherein said support mechanism includes at least one rail, the at least one recess configured to engage with a respective surface of the at least one rail. 21. A system as in claim 20, wherein the at least one recess is shaped complementary to a respective contact surface of the at least one rail.
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