METHOD AND APPARATUS FOR TREATING RESTLESS LEGS SYNDROME

1 . A system for treating one or more restless leg syndrome (RLS) symptoms of a patient, the system comprising:

a waveform generator configured to generate first and second stimulation waveforms;

a first electrode adapted to be positioned on a left portion of the patient's lumbar region and configured to receive the first stimulation waveform on a first channel;

a second electrode adapted to be positioned on a right portion of the patient's lumbar region and configured to receive the second stimulation waveform on a second channel;

a third electrode adapted to be positioned over an upper rear portion of the patient's right leg and configured to receive the first stimulation waveform on the first channel; and

a fourth electrode adapted to be positioned over an upper rear portion of the patient's left leg and configured to receive the second stimulation waveform on the second channel.

2 . The system of claim 1 , wherein the first, second, third, and fourth electrodes are configured to electrically stimulate at least a portion of a femoral nerve of the patient based on the first and second stimulation waveforms.

3 . The system of claim 2 , wherein the electrical stimulation is configured to dampen or interfere with electrical signals transmitted from the patient's brain to the patient's legs via the femoral nerve.

4 . The system of claim 2 , wherein the electrical stimulation is configured to reduce one or more symptoms of RLS.

5 . The system of claim 1 , wherein:

the first electrode is adapted to be positioned between an L4 vertebrae and an S2 vertebrae of the patient;

the second electrode is adapted to be positioned between the L4 vertebrae and the S2 vertebrae of the patient;

the third electrode is adapted to be positioned over a hamstring of the patient's right leg; and

the fourth electrode is adapted to be positioned between over a hamstring of the patient's left leg.

6 . The system of claim 1 , wherein:

the first electrode and the third electrode are configured to transcutaneously apply a first electrical current in a first diagonal direction across a sacral region of the patient based on the first stimulation waveform; and

the second electrode and the fourth electrode are configured to transcutaneously apply a second electrical current in a second diagonal direction across the sacral region of the patient based on the second stimulation waveform.

7 . The system of claim 6 , wherein the first diagonal direction is substantially orthogonal to the second diagonal direction.

8 . The system of claim 6 , wherein the first and second electrical currents are configured to electrically stimulate a femoral nerve of the patient.

9 . The system of claim 1 , wherein each of the first and second stimulation waveforms has a frequency of approximately 250 Hz, a pulse width of approximately 250 microseconds, and a current between approximately 8 and 12 milliamps.

10 . The system of claim 1 , further comprising:

one or more sensors adapted to be positioned on one or more corresponding portions of the patient's body and configured to provide feedback information to the waveform generator.

11 . The system of claim 10 , wherein the waveform generator is configured to selectively adjust the first and second stimulation waveforms based on the feedback information.

12 . The system of claim 1 , wherein at least some of the first, second, third, and fourth electrodes are disposed within a wearable garment.

13 . The system of claim 12 , wherein the waveform generator is disposed within the wearable garment.

14 . The system of claim 12 , wherein the first channel comprises a first set of conductive traces embedded within the wearable garment, and the second channel comprises a second set of conductive traces embedded within the wearable garment.

15 . A method for treating one or more restless leg syndrome (RLS) symptoms of a patient, the method comprising:

generating first and second stimulation waveforms using a waveform generator;

electrically stimulating at least a portion of a sacral region of the patient, based on the first and second stimulation waveforms, using a number of electrodes; and

damping or interfering with electrical signals transmitted from the patient's brain to the patient's legs via a femoral nerve of the patient using the electrical stimulation.

16 . The method of claim 15 , wherein the number of electrodes comprises first, second, third, and fourth electrodes, and the electrically stimulating comprises:

inducing a first electrical current to transcutaneously flow between the first electrode and the third electrode based on the first stimulation waveform; and

inducing a second electrical current to transcutaneously flow between the second electrode and the fourth electrode based on the second stimulation waveform.

17 . The method of claim 16 , wherein each of the first and second stimulation waveforms has a frequency of approximately 250 Hz, a pulse width of approximately 250 microseconds, and a current between approximately 8 and 12 milliamps.

18 . The method of claim 15 , wherein the electrical stimulation is configured to target the femoral nerve.

19 . The method of claim 15 , further comprising:

reducing one or more symptoms of RLS based on the damping or interfering.

20 . The method of claim 15 , further comprising:

selectively adjusting the first and second stimulation waveforms based on feedback information indicating involuntary limb movements of the patient.