Spinal cord stimulation (SCS) is a procedure that uses an electrical current to treat chronic pain. A small pulse generator, implanted in the back, sends electrical pulses to the spinal cord. These pulses interfere with the nerve impulses that make you feel pain.
Implanting the stimulator is typically done using a local anesthetic and a sedative. Your doctor usually will first insert a trial stimulator through the skin (percutaneously) to give the treatment a trial run. (A percutaneous stimulator tends to move from its original location, so it is considered temporary.) If the trial is successful, your doctor can implant a more permanent stimulator. The stimulator itself is implanted under the skin of the belly (abdomen), and the small coated wires (leads) are inserted under the skin to the point where they are inserted into the spinal canal. This placement in the abdomen is a more stable, effective location.After this outpatient procedure is complete, you and your doctor determine the best pulse strength. You are then told how to use the stimulator at home. A typical schedule for spinal cord stimulation is to use it for 1 or 2 hours, 3 or 4 times a day.
When in use, the spinal cord stimulator creates a tingling feeling, rather than the pain you have felt in the past.
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