High-side current regulator and methods for implementing a multiple channel iontophoretic device

• US 20070260169A1
• Filed: 05/08/2006
• Published: 11/08/2007
• Est. Priority Date: 05/08/2006
• Status: Active Grant

• Current Assignee: DJO LLC (Enovis Corp.)
• Original Assignee: Iomed, Inc. (Enovis Corp.)
• Inventors: Hause, Robert
• Granted Patent: US 7,860,575 B2
• Time in Patent Office: Days
• US Class Current: 604/20
• CPC Class Codes: A61N 1/303 Constructional details electrodes for external use A61N1/0428

Abstract

An iontophoretic device is disclosed having a plurality of current regulators.

Claims

6. An iontophoretic device comprising:

a controller;

at least two current regulators;

at least two electrodes wherein each regulator is operatively connected between one of the electrodes and the controller; and

,

wherein current flows to or from the electrodes and the regulators.

7. The iontophoretic device of claim 6 further comprising an electrode coupled to a current measurement device having a current feedback signal, and wherein the controller is responsive to the current feedback signal.

8. The iontophoretic device of claim 6 wherein the regulators have a current feedback signal and the controller is responsive to the current feedback signal.

9. The iontophoretic device of claim 6 wherein the regulators have a voltage feedback signal and the controller is responsive to the voltage feedback signal.

10. The iontophoretic device of claim 6 further comprising a power source operatively coupled to the controller and having a voltage feedback signal, and the controller is responsive to the voltage feedback signal.

11. The iontophoretic device of claim 10 wherein the power source is a converter.

12. The iontophoretic device of claim 11 wherein the converter is a DC/DC converter.

13. The iontophoretic device of claim 10 wherein the power source is operatively connected to the current regulators.

14. The iontophoretic device of claim 6 wherein, the controller regulates the current flow in response to feedback signals from the current regulators, a power source, and a current measurement device.

15. An iontophoretic device comprising:

at least two electrodes;

a controller having a plurality of outputs responsive to a plurality of inputs;

at least two current regulators wherein each regulator is operatively connected between one of the electrodes and the controller; and

,

wherein current flows from the electrodes and the regulators.

16. The iontophoretic device of claim 15 further comprising an electrode coupled to a current measurement device having a current feedback signal, and wherein the controller is responsive to the current feedback signal.

17. The iontophoretic device of claim 15 wherein the regulators have a current feedback signal and the controller is responsive to the current feedback signal.

18. The iontophoretic device of claim 15 wherein the regulators have a voltage feedback signal and the controller is responsive to the voltage feedback signal.

19. The iontophoretic device of claim 15 further comprising a power source operatively coupled to the controller and having a voltage feedback signal, and the controller is responsive to the voltage feedback signal.

20. The iontophoretic device of claim 19 wherein the power source is a converter.

21. The iontophoretic device of claim 20 wherein the converter is a DC/DC converter.

22. The iontophoretic device of claim 15 wherein, the controller regulates the current flow in response to feedback signals from the current regulators, a power source, and a current measurement device.

23. An iontophoretic device comprising:

a controller having a plurality of outputs responsive to a plurality of inputs;

at least two electrodes and two current regulators wherein each regulator is operatively connected between one of the electrodes and the controller; and

,

wherein current flows to and from the electrodes and the regulators.

1. An iontophoretic device comprising:

at least two electrodes;

a controller;

at least two current regulators wherein each regulator is operatively connected between one of the electrodes and the controller;

a power source operatively connected to the controller and the current regulators; and

,

wherein regulated current flows from the regulators to the electrodes.

2. The iontophoretic device of claim 1 wherein the power source is a converter.

3. The iontophoretic device of claim 2 wherein the power source is a DC/DC converter.

4. The iontophoretic device of claim 1 further comprising a power supply coupled between the controller and an electrode.

5. The iontophoretic device of claim 1 further comprising a power supply coupled between the converter and at least one of the current regulators.

24. The iontophoretic device of claim 23 further comprising an electrode coupled to a current measurement device having a current feedback signal, and wherein the controller is responsive to the current feedback signal.

25. The iontophoretic device of claim 23 wherein the regulators have a current feedback signal and the controller is responsive to the current feedback signal.

26. The iontophoretic device of claim 23 wherein the regulators have a voltage feedback signal and the controller is responsive to the voltage feedback signal.

27. The iontophoretic device of claim 23 further comprising a power source operatively coupled to the controller and having a voltage feedback signal, and the controller is responsive to the voltage feedback signal.

28. The iontophoretic device of claim 27 wherein the power source is a converter.

29. The iontophoretic device of claim 28 wherein the converter is a DC/DC converter.

28-1. The iontophoretic device of claim 23 wherein, the controller regulates the current flow in response to feedback signals from the current regulators, a voltage converter, and a current measurement device.