Selective high frequency spinal cord modulation for inhibiting pain with reduced side effects, and associated systems and methods
DC CAFCFirst Claim
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1. A spinal cord modulation system for reducing or eliminating pain in a patient, the system comprising:
- a signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is at a frequency in a frequency range from 1.5 kHz to 100 kHz; and
an implantable signal delivery device electrically coupleable to the signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord region.
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Abstract
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 50 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.
333 Citations
59 Claims
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1. A spinal cord modulation system for reducing or eliminating pain in a patient, the system comprising:
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a signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is at a frequency in a frequency range from 1.5 kHz to 100 kHz; and an implantable signal delivery device electrically coupleable to the signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A spinal cord modulation system for reducing or eliminating pain in a patient, the system comprising:
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a signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is at a frequency of 10 kHz; and an implantable signal delivery device electrically coupleable to the signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord. - View Dependent Claims (19, 20)
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21. A spinal cord stimulation system for reducing or eliminating pain in a patient, the system comprising:
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an implantable signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is at a frequency in a frequency range from 3 kHz to 20 kHz, and a current amplitude in a current amplitude range from 0.1 mA to 20 mA; and a signal delivery device electrically coupled to the implantable signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A spinal cord stimulation system for reducing or eliminating pain in a patient, the system comprising:
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an implantable signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is at a frequency of 10 kHz, and at a current amplitude in a current amplitude range from 0.1 mA to 20 mA; and an implantable signal delivery device electrically coupled to the implantable signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord. - View Dependent Claims (38, 39)
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40. A spinal cord modulation system for reducing or eliminating pain in a patient without relying on paresthesia or tingling to mask the patient'"'"'s sensation of the pain, the system comprising:
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an implantable signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is a biphasic square-wave signal, at a frequency in a frequency range from 1.5 kHz to 100 kHz, and at a current amplitude of less than about 20 mA; and a signal delivery device electrically coupleable to the implantable signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord region. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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55. A spinal cord modulation system for reducing or eliminating pain in a patient without relying on paresthesia or tingling to mask the patient'"'"'s sensation of the pain, the system comprising:
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an implantable signal generator configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is a biphasic square-wave signal, at a frequency of 10 kHz, and at a current amplitude between 0.1 mA and 20 mA; and a signal delivery device electrically coupleable to the implantable signal generator and configured to deliver the therapy signal to the patient'"'"'s spinal cord region. - View Dependent Claims (56, 57)
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58. A fully implantable medical device for reducing or eliminating pain in a patient, comprising:
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an implantable signal generator having a machine-readable medium containing instructions for generating and transmitting a non-paresthesia-producing spinal modulation signal, wherein at least a portion of the spinal modulation signal is at a frequency in a frequency range from 3 kHz to 20 kHz, with a pulse width in a pulse width range from 25 microseconds to 166 microseconds, and a current amplitude in a current amplitude range from 1 mA to 8 mA; and an implantable lead electrically coupled to the implantable signal generator and configured to be implanted in the patient'"'"'s epidural space, wherein the implantable lead includes two or more electrodes configured to deliver the transmitted spinal modulation signal to the patient'"'"'s spinal cord.
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59. A spinal cord modulation system for reducing or eliminating back or leg pain in a patient, without relying on paresthesia or tingling to mask the patient'"'"'s sensation of the pain, the system comprising:
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an implantable signal generator having a housing and one or more processors disposed within the housing, wherein the one or more processors are configured to generate a non-paresthesia-producing therapy signal, wherein at least a portion of the therapy signal is a biphasic square-wave signal, at a frequency in a frequency range from 3 kHz to 15 kHz, with a pulse width in a pulse width range from 30 microseconds to 35 microseconds, and a current amplitude in a current amplitude range from 1 mA to 4 mA; and an elongated electrical lead electrically coupled to the implantable signal generator and configured to be implanted in the patient'"'"'s epidural space, wherein the electrical lead includes two or more electrodes configured to deliver the therapy signal to the patient'"'"'s spinal cord region in a bipole arrangement.
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Specification