This minimally-invasive procedure uses a small needle and probe device to reduce a herniated disk, quickly relieving pain in most patients. The procedure may be performed on an outpatient basis using a gentle, relaxing medicine and local anesthetic.

After some anesthetic is injected to numb the area, a thin needle called a cannula is inserted through the back and into the herniated disc. The surgeon uses x-ray images to guide the placement of the cannula.

The small probe is carefully inserted through the cannula and into the disc. When the probe is turned on, its rotating tip removes small portions of the disc nucleus. Because only enough of the disc is removed to reduce pressure inside the disc, the spine remains stable.

The empty space created by the probe allows the disc to reabsorb the herniation.

The probe and needle are removed, and the insertion area in the skin is covered with a small bandage. Because no muscles or bone are cut during the procedure, recovery is fast and scarring is minimized. The patient may need a day of bed rest after the procedure, as well as physical therapy. Most may return to normal activity within one to six weeks.

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