US 12,433,983 B2
Online fluid generating peritoneal dialysis cycler
Ramkumar Jeyachandran, Bangalore (IN); and Anders J. Wellings, Belleair Beach, FL (US)
Assigned to BAXTER INTERNATIONAL INC., Deerfield, IL (US); and BAXTER HEALTHCARE SA, Glattpark (CH)
Appl. No. 18/568,476
Filed by BAXTER INTERNATIONAL INC., Deerfield, IL (US); and BAXTER HEALTHCARE SA, Glattpark (CH)
PCT Filed Jun. 1, 2022, PCT No. PCT/US2022/031775
§ 371(c)(1), (2) Date Dec. 8, 2023,
PCT Pub. No. WO2022/260904, PCT Pub. Date Dec. 15, 2022.
Claims priority of application No. 202141025465 (IN), filed on Jun. 8, 2021.
Prior Publication US 2024/0269363 A1, Aug. 15, 2024
Int. Cl. A61M 1/28 (2006.01)
CPC A61M 1/282 (2014.02) [A61M 2205/3317 (2013.01); A61M 2205/3337 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A peritoneal dialysis (“PD”) machine comprising:
a water pump;
a concentrate pump;
a water valve located upstream of the water pump, and an inlet to the water valve positioned to receive purified water;
a concentrate valve located upstream of the concentrate pump, and an inlet to the concentrate valve positioned to receive PD fluid concentrate;
a mixing line located downstream from the water pump and the concentrate pump;
a conductivity sensor positioned to sense a mixture of the purified water and the PD fluid concentrate that at least partially forms fresh PD fluid;
a flexible patient line configured to bring the at least partially formed fresh PD fluid to a patient and remove used PD fluid from the patient; and
a control unit configured to control the water pump, the concentrate pump, the water valve and the concentrate valve, the control unit also configured to receive an output from the conductivity sensor, the control unit further configured to run a disinfection sequence in which an end of the flexible patient line is directly connected to an external container of a disinfectant concentrate to receive disinfectant instead of being connected to the patient.