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 (30) (such as solution lines), spikes (160) 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 (24) may include one or more caps (63) that cover a corresponding spike (160) and include a raised and/or recessed feature to assist in removal of the cap from the cassette. A solution line cap (31) may include a hole and recess, groove or other feature to engage with a spike cap enable removal of the cap.
228 Citations
111 Claims
-
1-22. -22. (canceled)
-
23. A fluid handling cassette for use in a peritoneal dialysis system, the cassette comprising:
-
a generally planar body having at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for fluid; a patient line port located at a first end of the body arranged for connection to a patient line, the patient line port being in valved fluid communication with the at least one pump chamber via at least one flowpath; a plurality of solution line ports located at a second end of the body opposite the first end, each of the solution line ports being in valved fluid communication with the at least one pump chamber via at least one flowpath; and a flexible membrane attached to the first side of the body over the at least one pump chamber, a portion of the membrane over the at least one pump chamber being arranged to be movable for movement of fluid in the pump chamber. - View Dependent Claims (78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91)
-
-
24-76. -76. (canceled)
-
92. A fluid handling cassette for use in a peritoneal dialysis system, the cassette comprising:
-
a generally planar body having at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for fluid; a flexible membrane attached to the first side of the body over the at least one pump chamber, a portion of the membrane over the at least one pump chamber being arranged to be movable for movement of fluid in the pump chamber; a plurality of valves comprising port valves and pump valves, each port valve operatively associated with one of a plurality of fluid ports on the body, and at least one pump valve operatively associated with the at least one pump chamber; a patient line port arranged for connection to a patient line, the patient line port being in valved fluid communication with the at least one pump chamber via at least one flowpath; and a plurality of solution line ports, each of the solution line ports being in valved fluid communication with the at least one pump chamber via at least one flowpath; wherein a total number of valves is no greater than a sum of a total number of fluid ports plus twice a number of pump chambers. - View Dependent Claims (93, 94, 95, 96, 97, 98, 99, 100, 101)
-
-
102. A fluid handling cassette for use in a peritoneal dialysis system, the cassette comprising:
-
a generally planar body having at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for fluid; a flexible membrane attached to the first side of the body over the at least one pump chamber, a portion of the membrane over the at least one pump chamber being arranged to be movable for movement of fluid in the pump chamber; a plurality of valves comprising port valves and pump valves, each port valve operatively associated with one of a plurality of fluid ports on the body, and at least one pump valve operatively associated with the at least one pump chamber; a patient line port located at a first end of the body arranged for connection to a patient line, the patient line port being in valved fluid communication with the at least one pump chamber via at least one flowpath; and a plurality of solution line ports located at a second end of the body opposite the first end, each of the solution line ports being in valved fluid communication with the at least one pump chamber via at least one flowpath; wherein a total number of valves is no greater than a sum of a total number of fluid ports plus twice a number of pump chambers. - View Dependent Claims (103, 104, 105, 106, 107, 108, 109, 110, 111)
-
Specification