US 12,433,978 B2
Peritoneal dialysis cycler having disinfection
Olof Jansson, Vellinge (SE)
Assigned to BAXTER INTERNATIONAL INC., Deerfield, IL (US); and BAXTER HEALTHCARE SA, Glattpark (CH)
Filed by BAXTER INTERNATIONAL INC., Deerfield, IL (US); and BAXTER HEALTHCARE SA, Glattpark (CH)
Filed on Nov. 9, 2022, as Appl. No. 17/983,668.
Claims priority of provisional application 63/280,431, filed on Nov. 17, 2021.
Prior Publication US 2023/0149610 A1, May 18, 2023
Int. Cl. A61M 1/16 (2006.01); A61M 1/28 (2006.01)
CPC A61M 1/1639 (2014.02) [A61M 1/1688 (2014.02); A61M 1/282 (2014.02); A61M 1/284 (2014.02); A61M 1/285 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A dialysis system comprising:
a dialysis fluid metering pump;
a first volumetric balancing chamber including a first fixed volume chamber and a first diaphragm positioned and arranged to extend back and forth within the first fixed volume chamber;
a first outlet line extending between the first volumetric balancing chamber and an inlet to the dialysis fluid metering pump;
a second outlet line extending between the first volumetric balancing chamber and a drain line;
a first inlet line extending between the first volumetric balancing chamber and an outlet from the dialysis fluid metering pump;
a second inlet line extending between the first volumetric balancing chamber and a used dialysis fluid line;
a second volumetric balancing chamber including a second fixed volume chamber and a second diaphragm positioned and arranged to extend back and forth within the second fixed volume chamber;
a first outlet line extending between the second volumetric balancing chamber and an inlet to the dialysis fluid metering pump;
a second outlet line extending between the second volumetric balancing chamber and a drain line;
a first inlet line extending between the second volumetric balancing chamber and an outlet from the dialysis fluid metering pump; and
a second inlet line extending between the second volumetric balancing chamber and a used dialysis fluid line.