DIALYSIS MACHINE HAVING AUTO-CONNECTION SYSTEM WITH ROLLER OCCLUDER
First Claim
1. A medical fluid system comprising:
- a medical fluid machine;
a disposable pumping cassette operable with the medical fluid machine;
at least one medical fluid supply line configured to be attached to the disposable pumping cassette;
a mechanism operable to move the at least one medical fluid supply line into communication with the disposable pumping cassette; and
an occluder positioned to occlude the at least one supply line while the at least one supply line is being moved into connection with the disposable pumping cassette, so as to prevent medical fluid from spilling out of the at least one supply line, the occluder including at least one rotatable member that allows the at least one supply line to be moved while occluded.
2 Assignments
0 Petitions
Accused Products
Abstract
A medical fluid or dialysis system includes an auto-connection mechanism that connects connectors from the supply bags to dialysis cassette ports or cassette supply lines. The system provides for multiple, e.g., four, supply bags, which can be connected to a manifold of the auto-connection mechanism. Tip protecting caps that protect the supply line ends and cassette ports or cassette supply line ends are made to be compatible with the auto-connection mechanism. The auto-connection mechanism removes all the caps and connects the supply lines to the cassette. At least one roller occluder is provided that occludes the supply tubing prior to the tip protecting caps being removed. The roller occludes prevent medical dialysis fluid from spilling out of the supply lines between the time that the caps are removed and connection to the cassette is made.
112 Citations
21 Claims
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1. A medical fluid system comprising:
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a medical fluid machine; a disposable pumping cassette operable with the medical fluid machine; at least one medical fluid supply line configured to be attached to the disposable pumping cassette; a mechanism operable to move the at least one medical fluid supply line into communication with the disposable pumping cassette; and an occluder positioned to occlude the at least one supply line while the at least one supply line is being moved into connection with the disposable pumping cassette, so as to prevent medical fluid from spilling out of the at least one supply line, the occluder including at least one rotatable member that allows the at least one supply line to be moved while occluded. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A dialysis system comprising:
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a mechanism operable to move at least one dialysis fluid supply line into communication with a disposable pumping cassette; and an occluder positioned to occlude the at least one supply line while the at least one supply line is being moved into communication with the disposable pumping cassette, the occluder and the mechanism operated such that the occluder occludes the at least one supply line and the mechanism moves the at least one supply line prior to a cap being removed from an end of the at least one supply line, increasing a supply line volume to fluid ratio in the supply line between the occluder and the end of the supply line and tending to prevent dialysis fluid from spilling out of the end when the cap is removed. - View Dependent Claims (12, 13)
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14. A medical fluid system comprising:
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a medical fluid machine; a disposable pumping cassette operable with the medical fluid machine; a plurality of medical fluid supply lines configured to be attached to the disposable pumping cassette; a mechanism operable to move the plurality of medical fluid supply lines into communication with the disposable pumping cassette; and a plurality of occluding wheels each positioned to occlude one of the supply lines while the supply line is being moved into connection with the disposable pumping cassette, so as to prevent medical fluid from spilling out of the supply line, the occluder wheel rotatable to allow the at least one supply line to be moved while occluded.
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15. A dialysis system comprising:
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a mechanism operable to move at least one dialysis fluid supply line into communication with a disposable pumping cassette; a first occluder positioned to occlude the at least one supply line while the at least one supply line is being moved into communication with the disposable pumping cassette; a second occluder positioned to occlude the at least one supply line while the at least one supply line is being moved into communication with the disposable pumping cassette, the second occluder located between the first occluder and the disposable cassette; and the first and second occluders and the mechanism operated such that (i) only the second occluder is occluding the at least one supply line at a first time before a cap at an end of the at least one supply line is removed; and
(ii) only the first occluder is occluding the at least one supply line at a second time before the cap is removed. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification