How the St. Jude Medical™ Invisible Trial System Works
The St. Jude Medical™ Invisible Trial System is designed to closely mimic a permanent neurostimulation implant. You will be fitted with a temporary or trial device, including an external pulse generator (EPG) that works like an implanted system but can be easily removed. The St. Jude Medical Invisible Trial system is now compatible with evaluating spinal cord stimulation (SCS) or dorsal root ganglion stimulation (DRG) therapies.
Designed to closely mimic an implanted system, the St. Jude Medical Invisible Trial System consists of three components:
Thin wires that deliver stimulation to your nerves from the external generator.
Small battery-operated device that sends out mild electrical pulses.
A handheld device that lets you adjust your therapy wirelessly.
Try it first
For the temporary procedure, you will have a short, minimally invasive procedure during which your doctor places the temporary leads. The leads are connected to the small external generator that is worn outside the body, typically on your lower back.
Find out more about the trial system, the procedure and preparing for a temporary system.