Sacroiliac Joint (SI Joint) Fusion | 合法醫療器材資訊網

The sacroiliac joint (SI joint) is located in the pelvis; it links the iliac bones (pelvis) to the sacrum (lowest part of the spine above the tailbone). It is an essential component for shock absorption to prevent impact forces from reaching the spine. Many problems can cause sacroiliac joint pain, and, fortunately, various types of SI joint treatment are available.

The SI joint is a significant cause of low back pain. Clinical publications have identified the SI joint as a pain generator in 15-30% of chronic low back pain patients. 1-4 In addition, the SI joint is a pain generator in up to 43% of patients with continued or new onset low back pain after a lumbar fusion. 5 

Like any other joint in the body, the SI joint can be injured and/or become degenerative. When this happens, people can feel pain in their buttocks and somet...