Methods, systems, and devices related to a supplemental inhaler

1. A system comprising:

circuitry configured to assess one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value;

circuitry configured to calculate an amount of propellant that will increase flow through the at least one flow channel to meet or exceed a threshold flow value if the at least one assessed flow value is below the threshold flow value including at least circuitry configured to compare the at least one assessed flow value to a particular threshold flow value related to the subject; and

circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the particular threshold flow value.

2. The system of claim 1 , wherein the circuitry configured to assess one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value comprises:

circuitry configured to assess a volume of gas flowing through the at least one flow channel.

3. The system of claim 1 , wherein the circuitry configured to assess one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value comprises:

circuitry configured to assess gas pressure within the at least one flow channel.

4. The system of claim 1 , wherein the circuitry configured to assess one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value comprises:

circuitry configured to assess a quantity of the at least one agent flowing through the at least one flow channel.

5. The system of claim 1 , wherein the circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value comprises:

circuitry configured to transmit one or more signals that direct one or more actuators to facilitate release of the amount of propellant from one or more propellant reservoirs into the at least one flow channel that increases flow to meet or exceed the threshold flow value.

6. The system of claim 1 , wherein the circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value comprises:

circuitry configured to dispense the propellant through use of a controllable regulator.

7. The system of claim 1 , wherein the circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value comprises:

circuitry configured to dispense the at least one agent during a stage of a respiratory cycle selected to deliver the at least one agent to a preselected location within the respiratory tract of the subject.

8. The system of claim 1 , wherein the circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value comprises:

circuitry configured to dispense the at least one agent to the subject at the beginning of an inhalation cycle.

9. The system of claim 1 , wherein the circuitry configured to dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value comprises:

circuitry configured to dispense the at least one agent until a preselected quantity of the at least one agent is dispensed.

10. The system of claim 1 , further comprising:

circuitry configured to display the at least one assessed value.

11. A system comprising:

a non-transitory signal-bearing medium bearing one or more instructions that, when executed by one or more processing components, direct performance of operations that include at least:

assessing one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value;

calculating an amount of propellant that will increase flow through the at least one flow channel to meet or exceed a threshold flow value if the at least one assessed flow value is below the threshold flow value; and

dispensing at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the threshold flow value.

12. The system of claim 11 , further comprising:

one or more instructions that direct performance of an operation that includes at least displaying the at least one assessed value.

13. The system of claim 11 , further comprising:

one or more instructions that direct performance of an operation that includes at least dispensing at least one additional agent.

14. A system comprising:

at least one control unit operatively configured to control a flow propellant from a propellant reservoir, the at least one control unit including at least one processor and a memory bearing one or more instructions that, when executed by the at least one processor, configure the at least one control unit to perform operations including at least:

assess one or more parameters associated with flow through at least one flow channel disposed within an inhaler used by a subject to obtain at least one assessed flow value;

calculate an amount of propellant that will increase flow through the at least one flow channel to meet or exceed a threshold flow value if the at least one assessed flow value is below the threshold flow value including at least circuitry configured to compare the at least one assessed flow value to a particular threshold flow value related to the subject; and

dispense at least one agent with the amount of propellant that will cause the flow through the at least one flow channel to meet or exceed the particular threshold flow value.

15. The system of claim 14 further comprising:

the inhaler including at least:

a housing having the at least one flow channel disposed therein;

at least one port disposed in the housing operably coupled to the at least one flow channel and configured to provide fluid communication between at least one agent reservoir and at least one propellant reservoir and the at least one flow channel;

at least one sensor operably coupled with the at least one flow channel;

at least one actuator configured to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir when the at least one agent reservoir and the at least one propellant reservoir are operably coupled to the at least one port; and

wherein the at least one control unit is configured to receive information from the at least one sensor and direct the at least one actuator to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir.

16. The system of claim 15 wherein the at least one port disposed in the housing operably coupled to the at least one flow channel and configured to provide fluid communication between at least one agent reservoir and at least one propellant reservoir and the at least one flow channel includes:

at least one port configured to receive at least one agent reservoir including an aerosol canister that includes a canister body and a valve stem that extends from the canister body.

17. The system of claim 15 wherein the at least one port disposed in the housing operably coupled to the at least one flow channel and configured to provide fluid communication between at least one agent reservoir and at least one propellant reservoir and the at least one flow channel includes:

at least one controllable regulator.

18. The system of claim 15 wherein the at least one sensor operably coupled with the at least one flow channel includes:

at least one flow sensor.

19. The system of claim 15 wherein the at least one sensor operably coupled with the at least one flow channel includes:

at least one pressure sensor.

20. The system of claim 15 wherein the at least one sensor operably coupled with the at least one flow channel includes:

at least one sensor configured to assess one or more values associated with one or more respiration parameters.

21. The system of claim 15 wherein the at least one sensor operably coupled with the at least one flow channel includes:

at least one sensor configured to assess flow of at least one agent through the at least one flow channel.

22. The system of claim 15 wherein the at least one actuator configured to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir when the at least one agent reservoir and the at least one propellant reservoir are operably coupled to the at least one port includes:

at least one aerosol canister content release mechanism.

23. The system of claim 15 wherein the at least one actuator configured to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir when the at least one agent reservoir and the at least one propellant reservoir are operably coupled to the at least one port includes:

at least one propellant control valve.

24. The system of claim 15 wherein the at least one control unit configured to receive information from the at least one sensor and direct the at least one actuator to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir includes:

at least one control unit in operable communication with at least one sensor configured to assess one or more values associated with one or more respiration parameters.

25. The system of claim 15 wherein the at least one control unit configured to receive information from the at least one sensor and direct the at least one actuator to facilitate at least partial release from either or both of the at least one agent reservoir and the at least one propellant reservoir includes:

at least one control unit in operable communication with at least one flow sensor.

26. The system of claim 15 wherein the inhaler further includes:

at least one agent reservoir operably coupled to the at least one port.

27. The system of claim 15 wherein the inhaler includes:

at least one propellant reservoir operably coupled to the at least one port.

28. The system of claim 27 wherein the at least one propellant reservoir operably coupled to the at least one port comprises:

a compressed gas canister.

29. The system of claim 15 wherein the inhaler includes:

at least one dose counter.

30. The system of claim 15 wherein the inhaler includes:

at least one flow indicator.

31. The system of claim 30 wherein the at least one flow indicator comprise:

at least one flow indicator configured to indicate one or more values associated with one or more respiration parameters.

32. The system of claim 15 wherein the inhaler includes:

at least one controllable flow valve operably coupled with the at least one flow channel.

33. The system of claim 32 wherein the at least one controllable flow valve operably coupled with the at least one flow channel comprises:

at least one controllable valve configured to substantially block flow through a distal opening associated with the at least one flow channel in response to activation of the at least one actuator.