DISPOSABLE COMPONENTS FOR FLUID LINE AUTOCONNECT SYSTEMS AND METHODS
1 Assignment
0 Petitions
Accused Products
Abstract
Components for a medical infusion fluid handling system, such as an APD system, in which one or more lines (such as solution lines), spikes or other connection ports may be automatically capped and/or de-capped. This feature may provide advantages, such as a reduced likelihood of contamination since no human interaction is required to de-cap and connect the lines, spikes or other connections. For example, a fluid handling cassette may include one or more caps that cover a corresponding spike and include a raised and/or recessed feature to assist in removal of the cap from the cassette. A solution line cap may include a hole and recess, groove or other feature to engage with a spike cap and enable removal of the cap.
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Citations
96 Claims
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1-76. -76. (canceled)
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77. A method of operating a pneumatically actuated fluid handling cassette, the method comprising:
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providing a cassette having one or more diaphragm-driven pump chambers arranged to pump a first liquid, the cassette comprising a first common channel connecting a plurality of valved solution ports and a valved patient port to one or more lower valved pump ports of the one or more pump chambers, and comprising a second common channel connecting a valved heater bag port and a valved drain port to upper valved pump ports of the one or more pump chambers; A) controlling the one or more pump chambers, the valved pump ports and one or more of the plurality of valved solution ports to move the first liquid into the cassette through a first one of the solution ports and into the one or more pump chambers; B) controlling the one or more pump chambers, the valved pump ports and the valved heater bag port to deliver the first liquid out of the cassette through the heater bag port; C) controlling the one or more pump chambers, the valved pump ports and the valved heater bag port to move the first liquid into the cassette through the heater bag port and into the one or more pump chambers; and D) controlling the one or more pump chambers, the valved pump ports and the valved patient port to deliver the first liquid out of the cassette through the patient port. - View Dependent Claims (78, 79, 80, 81, 82, 83)
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84. A method of operating a pneumatically actuated fluid handling cassette, the method comprising:
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providing a cassette having two diaphragm-driven pump chambers arranged to pump a first dialysate solution, the cassette comprising a first common channel connecting a plurality of valved solution ports and a valved patient port to a lower valved pump port of each of the pump chambers, and comprising a second common channel connecting a valved heater port and a valved drain port to an upper valved pump port of each of the pump chambers; A) controlling the two pump chambers, the valved pump ports and one or more of the plurality of valved solution ports to move the first dialysate solution into the cassette through a first one of the solution ports and into the two pump chambers; B) controlling the two pump chambers, the valved pump ports and the valved heater port to deliver the first dialysate solution out of the cassette through the heater port; C) controlling the two pump chambers, the valved pump ports and the valved heater port to move the first dialysate solution into the cassette through the heater port and into the two pump chambers; and D) controlling the two pump chambers, the valved pump ports and the valved patient port to deliver the first dialysate solution out of the cassette through the patient port. - View Dependent Claims (85, 86, 87, 88, 89, 90)
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91. A method of operating a pneumatically actuated fluid handling cassette, the method comprising:
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providing a cassette having two diaphragm-driven pump chambers arranged to pump a first dialysate solution, the cassette comprising a first lower common channel connecting a plurality of valved lower common channel ports that include a plurality of solution ports and a patient port to a lower pump port of each of the pump chambers, and comprising a second upper common channel connecting a plurality of valved upper common channel ports that include a heater port and a drain port to an upper pump port of each of the pump chambers, said plurality of valved lower common channel ports and plurality of valved upper common channel ports controlled by pneumatically actuated diaphragm valves; A) controlling the two pump chambers, the pump ports and one or more of the plurality of solution ports to move the first dialysate solution into the cassette through a first one of the solution ports and into the two pump chambers; B) controlling the two pump chambers, the pump ports and the heater port to deliver the first dialysate solution out of the cassette through the heater port; C) controlling the two pump chambers, the pump ports and the heater port to move the first dialysate solution into the cassette through the heater port and into the two pump chambers; and D) controlling the two pump chambers, the pump ports and the patient port to deliver the first dialysate solution out of the cassette through the patient port. - View Dependent Claims (92, 93, 94, 95, 96)
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Specification