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Table 2 Standard stimulation parameters

From: Safety of long-term electrical peripheral nerve stimulation: review of the state of the art

Label Parameter Unit
A Electrode surface area cm2
D Duration of stimulating phase of a stimulus pulse µs
D' Duration of reversal phase of a stimulus pulse a µs
F Stimulation pulse frequency Hz
I Current of stimulating phase µA
I' Current of reversal phase a µA
N Number of pulses per train Unitless
R Train Rate Hz
w Inter-phase delay a µs
P Total application time (sum of the ‘ON’ and ‘OFF’ periods) per uninterrupted treatment duration Hours
S Effective stimulation time (= sum of the ‘ON’ periods) per uninterrupted treatment duration Hours
Y Treatment duration/Implantation Time days OR months OR years
  1. a if applicable