User's Manual

• Ultrasound energy. Therapeutic ultrasound (e.g., lithotripsy) energy may damage the pulse generator. If
therapeutic ultrasound energy must be used, avoid focusing near the pulse generator site. Diagnostic
ultrasound (e.g., echocardiography) is not known to be harmful to the pulse generator.
• Electrical interference. Electrical interference or “noise” from devices such as electrocautery and
monitoring equipment may interfere with establishing or maintaining telemetry for interrogating or
programming the device. In the presence of such interference, move the programmer away from
electrical devices, and ensure that the wand cord and cables are not crossing one another. If telemetry is
cancelled as a result of interference, the device should be re-interrogated prior to evaluating information
from pulse generator memory.
• Radio frequency (RF) in terference. RF signals from devices that operate at frequencies near that of
the pulse generator may interrupt ZIP telemetry while interrogating or programming the pulse generator.
This RF interference can be reduced by increasing the distance between the interfering device and
the P RM and pulse generator.
• Central line guidewire insertion. Use caution when inserting guidewires for placement of other types
of central venous catheter systems such as PIC lines or Hickman catheters in locations where pulse
generator leads may be encountered. Insertion of such guidewires into veins c ontaining leads could
result in the leads being damaged or dislodged.
Home and Occupational Environments
• Home appliances. Home appliances that are in good working order and properly grounded do not
usually produce enough EMI to interfere with pulse generator operation. There have been reports of
pulse generator disturbances caused by electric hand tools or electric razors used directly over the
pulse generator implant site.
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