How it Works
Back and leg pain from lumbar spinal stenosis (LSS) occurs when the space between the vertebrae is reduced, causing bone or tissue to come in contact with the spinal nerve. Most people with LSS get relief from pain when they bend forward or sit down. That's because this position opens the space around the pinched nerve. The X-STOP Spacer uses this principle and can provide sustained relief—even when you stand up straight and walk.

Lifting the pressure off of pinched nerves relieves pain
The X-STOP Spacer is a small implant that fits between two bones in the back of your spine—at the level of the pinched nerve. You can feel these bones, called the spinous processes, when you run your fingers down your spine. Once in place, the X-STOP Spacer can lift the vertebra off the pinched nerve. Learn more about your spine and the causes of nerve damage.

Sustained pain relief—even when you stand and walk
The unique X-STOP Spacer is designed to stay safely and permanently in place without being attached to bone or ligaments, by screws or other hardware, and there's no fusion involved. It works with your spinal anatomy to keep the space around the nerve open—and can relieve your pain and other symptoms—even when you stand up straight and walk. With the X-STOP Spacer you should not need to bend forward to relieve your symptoms.

The X-STOP Spacer may relieve the kinds of pain and discomfort caused by LSS:

  • Dull or aching back pain that travels to your legs
  • Numbness and a pins-and-needles sensation in your legs, calves, or buttocks

Short recovery and rapid pain relief
The X-STOP Spacer is implanted during a short procedure—typically 45 to 90 minutes. In some patients, it can be performed on an outpatient basis and with local anesthesia. This is an especially important benefit for people who should avoid general anesthesia due to their age or other health conditions. You and your surgeon will decide what's best for you.

The X-STOP procedure is minimally invasive. It's not like traditional surgery, such as a laminectomy, which removes structurally important bone (lamina) and tissue (ligaments that connect the vertebrae). The X-STOP Spacer preserves your anatomy and your spinal stability. That's why it may offer a short recovery time and a low complication rate. And the spacer is not positioned close to nerves or the spinal column, but rather behind the spinal cord between the spinous processes.


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