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Non-Rechargeable Stimulator Systems
IPG Battery Life
The WaveWriter Alpha Prime System IPG has a non-rechargeable battery. The longevity of the non-
rechargeable IPG battery depends on the following factors:
• Programmed parameters (such as amplitude, rate, pulse width, number of electrodes used, and
number of stimulation areas)
• Lead impedance
• Use of cycling or burst settings
• Hours per day of stimulation
• Changes made by the patient to programmed parameters
It is possible to estimate the battery longevity of a new IPG based on usage over 12 or 24 hours per day
with a selected Program. The estimate is based on the settings of a program, the System impedance at
time of estimation, and the hours per day of stimulation.
These estimates will not reflect adjustments to stimulation parameters or changes in impedance. The
estimate functions as a reference value to approximate the period that a new WaveWriter Alpha Prime
Stimulator will last (see "Estimating Longevity" on page 8). Battery life is dependent on the stimulation
settings and conditions.
Note: If the WaveWriter Alpha Prime System is being considered for permanent Implant, it is
recommended that the battery longevity of the WaveWriter Alpha Prime IPG be estimated during
the Trial. It is also recommended to estimate the battery longevity at the initial programming of the
Implant.
Note: Estimations made after initial programming of the IPG may overestimate the longevity of its battery.
When the IPG battery is fully depleted, the End of Service (EOS) indicator will be displayed on the Remote
Control and Clinician Programmer. Stimulation will not be available. Surgery is required to replace the
implanted non-rechargeable Stimulator to continue providing stimulation. Failure to replace the IPG
may lead to reduced programming capabilities, limited communication with the Stimulator, and loss of
stimulation.
Non-Rechargeable Stimulator Systems
Implantable Pulse Generator
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