Hybrid ambulatory infusion pumps
Ambulatory infusion pumps, durable assemblies, and disposable assemblies, including energy sources, reservoirs, baseplates, and related components therefor, as well as component combinations and related methods.
1. A disposable assembly configured to be secured to a durable assembly, the disposable assembly comprising:
a fluid reservoir;
a plunger configured to displace fluid from the fluid reservoir;
a motor rotor configured to rotate based on electromagnetic energy received from outside the disposable assembly; and
means for transforming rotation of the motor rotor into mechanical forces that move the plunger.
2. The disposable assembly of claim 1 , wherein the means are entirely included in the disposable assembly.
3. The disposable assembly of claim 1 , wherein the means comprise a lead screw attached to the plunger.
4. The disposable assembly of claim 1 , wherein the means comprise one or more gears.
5. The disposable assembly of claim 1 , wherein the durable assembly comprises a motor stator.
6. The disposable assembly of claim 5 , wherein the motor stator comprises coil windings.
7. The disposable assembly of claim 1 , wherein the plunger is moveable within the fluid reservoir.
8. The disposable assembly of claim 1 , wherein the motor rotor is disc-shaped.
9. The disposable assembly of claim 1 , further comprising a baseplate.
10. The disposable assembly of claim 9 , wherein the fluid reservoir is on the baseplate.
11. A first assembly configured to be secured to a second assembly, the first assembly comprising:
a fluid reservoir;
a plunger configured to displace fluid from the fluid reservoir;
a motor rotor configured to rotate based on electromagnetic energy received from outside the first assembly; and
means for transforming rotation of the motor rotor into mechanical forces that move the plunger.
12. The first assembly of claim 11 , wherein the means are entirely included in the first assembly.
13. The first assembly of claim 11 , wherein the means comprise a lead screw attached to the plunger.
14. The first assembly of claim 11 , wherein the means comprise one or more gears.
15. The first assembly of claim 11 , wherein the second assembly comprises a motor stator.
16. The first assembly of claim 15 , wherein the motor stator comprises coil windings.
17. The first assembly of claim 11 , wherein the plunger is moveable within the fluid reservoir.
18. The first assembly of claim 11 , wherein the motor rotor is disc-shaped.
19. The first assembly of claim 11 , further comprising a baseplate.
20. The first assembly of claim 19 , wherein the fluid reservoir is on the baseplate.