What is SI joint fusion?


SI joint fusion helps restore damaged or diseased sacroiliac joints. The procedure uses titanium implants to join your hips ilium bone to the spines sacrum to relieve the pain in the sacroiliac joints.

How does SI Joint Fusion work?

The titanium implant is a small pin that is inserted through the SI Joint and into the sacrum locking the bones together. One, two or three implants will be needed to stabilize the joint. Over time, new bone will grow on and around the implants and across the joint, creating a solid fusion.

Overview

If you have a painful damaged or diseased sacroiliac joint (we call it the "SI" joint), a fusion may help. With the Rialto SI Fusion System, your surgeon uses titanium implants to join your hip's ilium bone to the spine's sacrum. This may relieve pain associated with SI joint dysfunction or SI joint disease.

Preparation

To begin, you are given medicine to put you to sleep or to block sensation in your SI joint. You're positioned face down. The surgeon makes a small opening in your skin. With the help of a video x-ray device called a "fluoroscope," a guide pin is placed across your SI joint. The surgeon uses an approach that minimizes contact with your muscles.

Procedure

While protecting your soft tissues, the surgeon carefully drills a channel along the pin. It passes into the ilium, through the SI joint and into the sacrum. A Rialto implant is inserted, locking these bones together. One, two or three implants will be needed to stabilize your joint. Over time, new bone will grow on and around the implants and across the joint, creating a solid fusion.

End of Procedure

When the procedure is done, you are monitored. You may be allowed to go home or you may stay overnight, depending on your needs. Your doctor will give you instructions to help your recovery.

Are You A Candidate For SI Joint Fusion?

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13575 W. Indian School Rd. Ste 700 & 1000
Litchfield Park, AZ 85340
15547 N. Seems Rd.
Suprise, AZ 85374
“We are devoted to providing you the highest quality medical care and interventions to ease your pain and promote an active life.”
Dr. Wendi Lundquist, Medical Director