Patent ID: 8226595

Claim:
A peritoneal dialysis machine comprising: a supply bag; an apparatus configured to support the supply bag, the supply bag located above the peritoneal cavity of a patient; a patient line configured to be connected to the patient; a drain line configured to be connected to a drain; a vacuum source configured to operate at least one of a patient line valve positioned to open and close the patient line and a drain line valve positioned to open and close the drain line; and a logic implementor configured to: (i) enable fresh dialysate to be gravity fed from the supply bag through the patient line to the peritoneal cavity during a fill cycle; (ii) enable the vacuum source to cause spent dialysate to be pulled from the peritoneal cavity through the drain line to the drain during a drain cycle; and (iii) control at least one of the patient line valve positioned to open and close the patient line and the drain line valve positioned to open and close the drain line.