Patent ID: 7922686

Claim:
A system for providing peritoneal dialysis to a patient, the system comprising: a catheter having an inflow lumen and an outflow lumen in communication with the patient's peritoneal cavity; and a fluid circuit in fluid communication with the catheter, the fluid circuit comprising: a fluid loop, the fluid loop configured to circulate dialysate into, through and out of a peritoneal cavity of the patient at an outflow rate from the peritoneal cavity greater than an inflow rate to the peritoneal cavity, a supply of a dialysate coupled to the fluid circuit, and at least one of a (i) a chamber coupled to the fluid loop through which the dialysate can be fed at a feed rate into the fluid loop, and (ii) a cleaning device coupled to the fluid loop via a cleaning fluid path wherein the dialysate can be fed into the cleaning fluid path and cleaned at a cleaning rate prior to reintroduction into the fluid loop; a discharge fluid path coupled to the fluid loop; and a cycler that pumps the dialysate into the fluid circuit at a feed rate and circulates the dialysate at a circulation rate along the fluid loop to remove a therapeutic effective amount of solutes and excess water from the patient, the cycler further configured to drain the dialysate from the fluid circuit at a discharge rate that is less than the circulation rate and at least substantially equal to a difference between the outflow rate and the inflow rate, allowing the dialysate to be circulated a plurality of times along the fluid loop prior to discharge.