Peritoneal diaylsis system and cassettes therefor

A disposable cassette for a dialysis machine, the cassette comprising:

• at least one peritoneal dialysis fluid (PDF) connector to a peritoneal dialysis fluid source,
• at least one patient line connector to a patient line,
• at least one drain line connector to a drain line,
• a plurality of solute connectors to a plurality of solute containers, and
• only one hydraulic flow generator,
• wherein the cassette defines a plurality of fluid paths including:
• a first fluid path between the plurality of solute connectors and the at least one PDF connector,
• a second fluid path between the at least one PDF connector and the at least one patient line connector, and
• a third fluid path between the at least one patient line connector and the at least one drain line connector,
• wherein the only one hydraulic flow generator is a pump positioned in:
• the first fluid path between the plurality of solute connectors and the at least one PDF connector,
• the second fluid path between the at least one PDF connector and the at least one patient line connector, or
• the third fluid path between the at least one patient line connector and the at least one drain line connector, and
• wherein the cassette is configured to generate flow in a single direction through the pump.

A disposable cassette for a dialysis machine, the cassette comprising:

• a water source outlet configured to fluidly connect to an outlet of a water source,
• at least one solute inlet configured to fluidly connect to an inlet of a container of solute,
• a first fluid path between the water source outlet and each solute inlet of the at least one solute inlet,
• a peritoneal dialysis fluid (PDF) inlet configured to fluidly connect to an inlet of a PDF chamber,
• at least one solute outlet configured to fluidly connect to an outlet of the container of solute,
• a second fluid path between each solute outlet of the at least one solute outlet and the PDF inlet for flow of a solution formed from the solute in the container, and
• one or more hydraulic flow generators, wherein at least one hydraulic flow generator of the one or more hydraulic flow generators comprises a pump positioned in at least one of:
• the first fluid path between the water source outlet and each solute inlet of the at least one solute inlet, or
• the second fluid path between each solute outlet of the at least one solute outlet and the PDF inlet,
• wherein the cassette is configured to generate flow in a single direction through the pump.