Selective high frequency spinal cord modulation for inhibiting pain with reduced side effects, and associated systems and methods
Selective high-frequency spinal cord modulation for inhibiting pain with reduced side effects and associated systems and methods are disclosed. In particular embodiments, high-frequency modulation in the range of from about 1.5 KHz to about 100 KHz may be applied to the patient's spinal cord region to address low back pain without creating unwanted sensory and/or motor side effects. In other embodiments, modulation in accordance with similar parameters can be applied to other spinal or peripheral locations to address other indications. Particular embodiments include applying a paresthesia-inducing signal with a frequency of less than 1.2 kHz.
1. A programmer for use in a spinal cord stimulation system for providing pain relief to a patient, wherein the spinal cord stimulation system includes a pulse generator configured to generate an electrical signal, and a signal delivery device configured to receive the electrical signal from the pulse generator and deliver the electrical signal to the patient's spinal cord region, the physician programmer comprising:
a computer-readable medium programmed with executable instructions to select signal parameters from two sets of signal parameters,
wherein the first set of signal parameters generates a paresthesia-inducing electrical signal with a frequency of less than 1.2 kHz, and wherein the second set of signal parameters generates a non-paresthesia-inducing therapy signal with a frequency between 1.5 kHz and 100 kHz.
2. The programmer claim 1 , wherein the two sets of signal parameters include a first target location for the paresthesia-inducing electrical signal and a second target location for the non-paresthesia-inducing therapy signal.
3. The programmer of claim 2 , wherein the first target location and the second target location are the same.
4. The programmer of claim 2 , wherein the second target location is a vertebral level between T9 and T12, inclusively.
5. The programmer of claim 2 , wherein the second target location is lateral from a midline of the patient's spinal cord so as to be proximate to a dorsal root, dorsal root entry zone, or dorsal root ganglion.
6. The programmer of claim 1 , wherein at least one of the first and second set of signal parameters includes a target location lateral from a midline of the patient's spinal cord so as to be proximate to a dorsal root, dorsal root entry zone, or dorsal root ganglion.
7. The programmer of claim 1 , wherein the computer-readable medium is programmed with executable instructions for delivering the paresthesia-inducing electrical signal and the non-paresthesia-inducing therapy signal so as to not overlap temporally with each other.
8. The programmer of claim 1 , wherein the second set of signal parameters generates the non-paresthesia-inducing therapy signal at a frequency of 10 kHz.
9. The programmer of claim 1 , wherein the second set of signal parameters generates the non-paresthesia-inducing therapy signal at a frequency between 3 kHz and 20 kHz.
10. The programmer of claim 1 , wherein the second set of signal parameters generates the non-paresthesia-inducing therapy signal at a frequency between 1.5 kHz and 50 kHz.
11. The programmer of claim 1 , wherein the second set of signal parameters include a non-paresthesia-inducing amplitude between 0.5 mA and 4 mA.
12. The programmer of claim 1 , wherein the second set of signal parameters includes an amplitude in an amplitude range between 0.5 mA and 10 mA.
13. The of claim 1 , wherein the second set of signal parameters includes an amplitude in an amplitude range between 0.1 mA and 20 mA.
14. The programmer of claim 1 , further comprising a wireless communication system.
15. The programmer claim 14 , wherein the wireless communication system is in wireless communication with an implantable pulse generator.