The Vercise™ Stimulator - Boston Scientific Vercise DBS Mode D'emploi

Physician Manual
The Vercise™ Stimulator
The Vercise Stimulator is rechargeable. Patient's should expect a daily recharging
time of 15 to 30 minutes or a periodic recharging time of 3 to 4 hours every 1
to 2 weeks, but their recharge routine may vary depending on their stimulation
parameters. High power users will require more frequent charging. Boston Scientific
recommends any recharge schedule that fits the patient's schedule and lifestyle while
maintaining sufficient charge to maintain stimulation.
Note: Frequent charging does not affect or diminish the battery life of the Stimulator.
Developing a patient's recharge schedule involves finding the right balance between
four factors:
• How much power is required for the patient to experience effective therapy.
• How often the patient wants to recharge.
• How long the patient wants to recharge.
• How the patient would like to manage their personal schedule.
The Clinician Programmer (CP) will estimate charging time based on 24 hours per
day of stimulation at the programmed settings. Patients should be instructed to charge
either a little every day (for 15 to 30 minutes) or fully charge once every 1 to 2 weeks
(for 3 to 4 hours). If fully charging the Stimulator, patient should be instructed to
charge until the Charger emits the end of charge double beep. The recharging process
is simple, but important.
The rechargeable Stimulator battery should provide at least five years of service.
In many cases, the Stimulator battery should provide at least 25 years of service.
Battery life is dependent on the stimulation settings and conditions. To determine the
expected battery life for specific settings and conditions, please see the Appendix in
this manual.
Over time and with repeated charging, the battery in the Stimulator will lose its
ability to recover its full capacity. As a result, over time, the Stimulator may require
shorter intervals between charges. For example, a Stimulator with settings requiring
charging every 22 days during the first year, is expected to require charging every
20 days after five years of continuous use (amplitude = 3 mA, pulse width = 60 μsec,
rate = 185 Hz, impedance = 1500 Ohms). The Stimulator will need replacement when
stimulation can no longer be maintained with routine charging.
Physician Manual
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