ROTARY VALVE FOR A DISPOSABLE INFUSION SET
First Claim
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1. A pump cassette for coupling with a pump device, the pump cassette comprising:
- a fluid lumen adapted for passage of an infusion fluid toward a patient;
a rotary valve assembly that can be actuated to regulate fluid flow through the fluid lumen; and
a frame coupled to the fluid lumen and the valve assembly, the frame adapted to be inserted into a seat of a pump device, wherein the frame provides a platen relative to the fluid lumen, the frame configured to be inserted into the seat only when aligned in a predetermined orientation relative to the seat.
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Abstract
A pump cassette includes fluid lumen adapted for passage of an infusion fluid toward a patient. A rotary valve assembly can be actuated to regulate fluid flow through the fluid lumen and a frame is coupled to the fluid lumen and the valve assembly. The frame is adapted to be inserted into a seat of a pump device, wherein the frame provides a platen relative to the fluid lumen. The frame is configured to be inserted into the seat only when aligned in a predetermined orientation relative to the seat.
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Citations
18 Claims
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1. A pump cassette for coupling with a pump device, the pump cassette comprising:
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a fluid lumen adapted for passage of an infusion fluid toward a patient; a rotary valve assembly that can be actuated to regulate fluid flow through the fluid lumen; and a frame coupled to the fluid lumen and the valve assembly, the frame adapted to be inserted into a seat of a pump device, wherein the frame provides a platen relative to the fluid lumen, the frame configured to be inserted into the seat only when aligned in a predetermined orientation relative to the seat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A pump device, comprising:
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a pumping mechanism; a housing defining a seat configured to receive a pump cassette having a fluid lumen that can be acted upon by the pumping mechanism so as to pump fluid through the fluid lumen of the pump cassette; a pump cassette for coupling with a pump device, the pump cassette comprising;
a fluid lumen adapted for passage of an infusion fluid toward a patient;
a rotary valve assembly that can be actuated to regulate fluid flow through the fluid lumen; and
a frame coupled to the fluid lumen and the valve assembly, the frame adapted to be inserted into a seat of a pump device, wherein the frame provides a platen relative to the fluid lumen. - View Dependent Claims (15, 16, 17, 18)
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Specification