System and method for performing alternative and sequential blood and peritoneal dialysis modalities

1. A dialysis system comprising:

an online blood treatment fluid source and a treatment fluid pump provided at a first time, the treatment fluid pump positioned and arranged to deliver blood treatment fluid via the online blood treatment fluid source;

at least one source of peritoneal dialysis fluid separate from the treatment fluid pump provided at a second time;

a first fluid line;

a second fluid line in fluid communication with the at least one source of peritoneal dialysis fluid;

at least one pump positioned and arranged to pump blood through the first fluid line at the first time;

a first patient connector configured to be removably placed in fluid communication with the first fluid line to allow a blood treatment to be performed at a first pressure supplied by the at least one pump at the first time; and

a second patient connector configured to be removably placed in fluid communication with the second fluid line to allow a peritoneal dialysis treatment to be performed at a second pressure applied to peritoneal dialysis fluid delivered from the peritoneal dialysis fluid source to the second fluid line at the second time.

2. The dialysis fluid system of claim 1 , wherein the first patient connector includes hemodialysis needles.

3. The dialysis fluid system of claim 1 , wherein the second patient connector includes a peritoneal dialysis connection set.

4. The dialysis fluid system of claim 1 , wherein the at least one pump is used additionally to pump peritoneal dialysis fluid to perform the peritoneal dialysis treatment.

5. The dialysis fluid system of claim 1 , which includes a dialyzer at the first time located between the treatment fluid pump and the at least one pump positioned and arranged to pump blood.

6. The dialysis fluid system of claim 1 , wherein the at least one source of peritoneal dialysis fluid is a premade source of peritoneal dialysis fluid.

7. The dialysis fluid system of claim 1 , wherein the first fluid line is provided at the first time and the second fluid line is provided at the second time.

8. The dialysis fluid system of claim 1 , wherein the at least one pump is a peristaltic pump.

9. The dialysis fluid system of claim 1 , wherein the online blood treatment fluid source includes a water purification machine and at least one source of concentrate.

10. The dialysis fluid system of claim 9 , wherein the at least one source of concentrate includes at least one of: (i) an acid container; or (ii) a bicarbonate cartridge.

11. The dialysis fluid system of claim 1 , which includes a control unit programmed to pump peritoneal dialysis fluid from the at least one source of peritoneal dialysis fluid through a blood filter to perform the peritoneal dialysis treatment with the second patient connector.

12. The dialysis fluid system of claim 1 , which includes a control unit programmed to drain a patient using the second connector when a peritoneal dialysis treatment is to be performed.

13. The dialysis fluid system of claim 1 , wherein the online blood treatment fluid source includes a water purification machine and at least one source of concentrate.

14. A dialysis system comprising:

an online blood treatment fluid source and a treatment fluid pump provided at a first time, the treatment fluid pump positioned and arranged to deliver blood treatment fluid via the online blood treatment fluid source;

at least one source of peritoneal dialysis fluid separate from the treatment fluid pump provided at a second time;

a first fluid line;

a second fluid line in fluid communication with the at least one source of peritoneal dialysis fluid;

at least one pump positioned and arranged to pump blood through the first fluid line at the first time;

a first patient connector configured to be removably placed in fluid communication with the first fluid line to allow a blood treatment to be performed at a blood treatment pressure between −300 mmHg to 500 mmHg at the first time; and

a second patient connector configured to be removably placed in fluid communication with the second fluid line to allow a peritoneal dialysis treatment to be performed at a peritoneal dialysis pressure between −1.5 psig and 3 psig applied to peritoneal dialysis fluid delivered from the peritoneal dialysis fluid source to the second fluid line at the second time.

15. The dialysis fluid system of claim 14 , wherein the at least one pump supplies the blood treatment pressure and the peritoneal dialysis pressure.

16. The dialysis fluid system of claim 15 , wherein the at least one pump is a peristaltic pump.

17. The dialysis fluid system of claim 15 , wherein the first fluid line is provided at the first time and the second fluid line is provided at the second time.

18. A dialysis system comprising:

an online blood treatment fluid source and a treatment fluid pump provided at a first time, the treatment fluid pump positioned and arranged to deliver blood treatment fluid via the online blood treatment fluid source;

a dialyzer provided at the first time and positioned and arranged to receive blood treatment fluid from the online blood treatment fluid source at a first pressure;

at least one source of peritoneal dialysis fluid separate from the treatment fluid pump provided at a second time; and

at least one pump positioned and arranged to pump peritoneal dialysis fluid from the at least one source of peritoneal dialysis fluid to a patient at the second time and at a second pressure.

19. The dialysis system of claim 18 , wherein the peritoneal dialysis fluid is pumped through the dialyzer to the patient at the second time.

20. The dialysis system of claim 18 , wherein the at least one source of peritoneal dialysis fluid is a premade source of peritoneal dialysis fluid.

21. The dialysis fluid system of claim 18 , wherein the at least one pump is a peristaltic pump.