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Spinal cord movements are a clinical challenge with existing SCS therapies.
Spinal cord movements result in inconsistent neural activation at a fixed amplitude
Molnar C et al, 2009
  • The above illustrations show how the stimulation area (the orange zone) varies in size as the spine moves closer to, or further from, the electrode (the orange dot)
     
  • As a patient changes position, the distance between the electrodes and the spinal cord changes, leading to variation in the area of neural activation
     
  • Therefore, at fixed amplitude, a change of position may result in over- or under- stimulation and possible discomfort
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