User's Manual

Safety Information
Precision Spectra™ System Information for Patients
90668560-01 Rev B 21 of 32
Approximately one month before the end of the programmed period, the message displays
daily.
You should contact your health care provider upon receipt of the fi rst message regarding the number
of service days remaining.
IPG Battery Life
The rechargeable battery in the Precision Spectra™ System IPG should provide at least fi ve years of
service.
1
The IPG recharge interval at typical settings is at least 30 days.
2
Over time, the IPG battery
will need more frequent recharges. Like all rechargeable batteries, use over time and repeated
recharge cycles reduce the maximum charge capacity of the IPG battery.
1 The expected years of battery operation are defi ned as the longer of either:
A. Typical case: the time at which therapy cannot be maintained with daily charging
OR
B. High energy case: when the maximum recharge interval has decreased by more than 50 % from the initial recharge interval.
2 This estimated recharge interval is based on the following assumptions:
• The Precision Spectra IPG is newly implanted and at the beginning of it’s charging life.
• The IPG has been programmed to the following settings: Current amplitude: 4 mA; Pulse Width: 300 μs; Pulse Rate: 50 Hz and Impedance: 750 Ohms.
NOTE: Your actual settings may vary, thus varying the number of days for your recharge interval.