Manifold for infusion system

1. An infusion system comprising:

a primary delivery device;

a secondary delivery device;

an ancillary device; and

a first manifold including:

a primary connection port operable to be fluidly coupled with the primary delivery device;

a delivery connection port in fluid communication with the primary connection port, the delivery connection port being operable to be fluidly coupled with the ancillary device, the delivery connection port being operable to permit unidirectional flow from the primary connection port to the ancillary device;

a secondary connection port operable to be fluidly coupled with the secondary delivery device, the secondary connection port being in fluid communication with the primary connection port, the secondary connection port being operable to permit unidirectional flow from the secondary delivery device to the primary connection port,

wherein the primary connection port is operable to permit bidirectional flow so that fluid is operable to flow: (1) from the primary delivery device through the primary connection port and through the delivery connection port to the ancillary device, and (2) from the secondary delivery device through the secondary connection port and through the primary connection port to be received by the primary delivery device;

a second manifold operable to be fluidly coupled with the secondary port of the first manifold, the second manifold including:

a first connection port operable to be fluidly coupled with the secondary delivery device;

a delivery connection port of the second manifold in fluid communication with the first connection port, the delivery connection port of the second manifold being operable to be fluidly coupled with the secondary connection port of the first manifold, the delivery connection port of the second manifold being operable to permit unidirectional flow from the first connection port to the secondary connection port of the first manifold;

a second connection port operable to be fluidly coupled with a third delivery device, the second connection port being in fluid communication with the first connection port, the second connection port being operable to permit unidirectional flow from the third delivery device to the first connection port,

wherein the first connection port is operable to permit bidirectional flow so that fluid is operable to flow: (1) from the secondary delivery device through the first connection port and through the delivery connection port of the second manifold to the first manifold via the second connection port, and (2) from the third delivery device through the second connection port and through the first connection port to be received by the secondary delivery device.

2. The system of claim 1 , wherein the primary delivery device includes a primary reservoir containing a first infusion fluid, wherein the first infusion fluid is operable to be delivered to the ancillary device.

3. The system of claim 1 , wherein the secondary delivery device includes a secondary reservoir containing a second infusion fluid, wherein the second infusion fluid is operable to flow from the secondary delivery device through the secondary connection port and through the primary connection port to be received in a first reservoir of the primary delivery device.

4. The system of claim 3 , wherein the primary delivery device is operable to deliver the second infusion fluid to the ancillary device by causing the second infusion fluid to flow from the primary delivery device through the primary connection port and through the delivery connection port to the ancillary device while the second infusion fluid is prevented from flowing through the secondary connection port.

5. The system of claim 3 , wherein the second infusion fluid is operable to flow from the second connection port to the primary delivery device via the primary connection port while the second infusion fluid is prevented from flowing through the delivery connection port.

6. The system of claim 1 , wherein the secondary connection port and/or the delivery connection port includes a check valve.

7. The system of claim 1 , wherein the primary connection port includes a female luer connector operable to receive a male luer fitting on the primary delivery device.

8. The system of claim 1 , wherein the secondary connection port includes a female luer connector operable to receive a male luer fitting on the secondary delivery device.

9. The system of claim 1 , wherein the delivery connection port includes a male luer connector operable to be received by a female luer fitting on the ancillary device.

10. The system of claim 1 , wherein the ancillary device includes an infusion needle set.

11. The system of claim 1 , wherein the primary delivery device and/or the secondary delivery device includes a syringe.

12. A manifold system for infusion systems comprising:

a first manifold including:

a primary connection port operable to be fluidly coupled with a primary delivery device;

a delivery connection port in fluid communication with the primary connection port, the delivery connection port being operable to be fluidly coupled with an ancillary device, the delivery connection port being operable to permit unidirectional flow from the primary connection port to the ancillary device;

a secondary connection port operable to be fluidly coupled with a secondary delivery device, the secondary connection port being in fluid communication with the primary connection port, the secondary connection port being operable to permit unidirectional flow from the secondary delivery device to the primary connection port,

wherein the primary connection port is operable to permit bidirectional flow so that fluid is operable to flow: (1) from the primary delivery device through the primary connection port and through the delivery connection port to the ancillary device, and (2) from the secondary delivery device through the secondary connection port and through the primary connection port to be received by the primary delivery device; and

a second manifold operable to be fluidly coupled with the secondary connection port of the first manifold, the second manifold including:

a first connection port operable to be fluidly coupled with the secondary delivery device;

a delivery connection port of the second manifold in fluid communication with the first connection port, the delivery connection port of the second manifold being operable to be fluidly coupled with the secondary connection port of the first manifold, the delivery connection port of the second manifold being operable to permit unidirectional flow from the first connection port to the secondary connection port of the first manifold;

a second connection port operable to be fluidly coupled with a third delivery device, the second connection port being in fluid communication with the first connection port, the second connection port being operable to permit unidirectional flow from the third delivery device to the first connection port,

wherein the first connection port is operable to permit bidirectional flow so that fluid is operable to flow: (1) from the secondary delivery device through the first connection port and through the delivery connection port of the second manifold to the first manifold via the second connection port, and (2) from the third delivery device through the second connection port and through the first connection port to be received by the secondary delivery device.