Non-Surgical SI Joint Fusion

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What Is Minimally Invasive Sacroiliac Joint Fusion?

SIJ fusion from PainTEQ is an innovative approach to treating chronic sacroiliac joint pain that has transformed how we address persistent low back discomfort. Traditionally, sacroiliac joint fusion required surgical intervention with screws to fuse the sacrum (lower back) to the pelvis (hip bone), involving extended recovery periods and significant surgical risks. With the LINQ® procedure from PainTEQ, patients now have access to a minimally invasive, non-surgical alternative that achieves stabilization without hardware. This advanced treatment option provides lasting relief while preserving joint functionality and dramatically reducing recovery time. The procedure is performed in an outpatient setting and offers a middle ground between temporary relief methods and invasive surgical fusion.

Unlike traditional surgical fusion that completely immobilizes the joint, the LINQ approach allows for maintained functionality without placing added stress on the lower lumbar spine or hip joints. This means you can achieve the pain relief you need while retaining the natural movement patterns your body requires for daily activities.

LINQ® Procedure Benefits

Unlike traditional surgical fusion that completely immobilizes the joint, the benefits of the LINQ approach allow for maintained functionality without placing added stress on the lower lumbar spine or hip joints. This means you can achieve the pain relief you need while retaining the natural movement patterns your body requires for daily activities.

The most significant benefit is substantial, long-lasting pain relief. Since this is not a complete fusion of the joint, patients maintain functionality and natural movement patterns. The treatment stabilizes the problematic joint without creating the rigid immobilization that can stress adjacent structures and lead to potential future surgeries.

By maintaining some degree of joint function rather than completely fusing the sacroiliac joint, this procedure prevents the compensatory stress that often affects the lower lumbar spine and hip joints after traditional fusion surgery.

The procedure requires only a small incision, resulting in less tissue trauma, reduced risk of complications, and a more comfortable recovery experience compared to open surgical techniques.

Because this is a non-surgical approach without hardware implantation, recovery is significantly faster compared to traditional fusion surgery. Most patients experience minimal downtime and can return to activities they enjoy much sooner than with conventional surgical options.

doctor performing sij fusion

What Conditions Does Non-Invasive SIJ Fusion Treat?

While low back pain can stem from numerous sources, SIJ fusion specifically targets sacroiliac joint-mediated pain. This procedure is designed for patients whose primary pain generator has been clearly identified as the sacroiliac joint.

The sacroiliac joint connects your spine to your pelvis, and when this joint becomes dysfunctional or degenerative, it can cause significant chronic pain that radiates through the lower back, buttocks, and sometimes down the legs. This pain can mimic other spinal conditions, which is why accurate diagnosis is essential before considering SIJ fusion. Conditions that may lead to sacroiliac joint pain and benefit from fusion include:

  • Sacroiliac joint dysfunction or instability
  • Degenerative sacroiliitis
  • Post-traumatic sacroiliac joint injury
  • Chronic sacroiliac joint inflammation
  • Failed conservative treatments for SI joint pain

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What to Expect During Non-Surgical SI Joint Fusion

The PainTEQ SIJ fusion procedure is performed in approximately 45 minutes in an outpatient setting. Learn more about how this procedure works here. This procedure has helped over 14,000 people in the U.S. Understanding what happens during the procedure can help ease any concerns and prepare you for a smooth experience.

  • Sedation and Comfort – The procedure is performed under IV conscious sedation, meaning you will be relaxed and comfortable but not completely unconscious. Local anesthetic is also administered to numb the treatment area, ensuring you experience minimal discomfort during the procedure itself.
  • Minimally Invasive Technique – Through a small incision, specialized instruments are used to access the sacroiliac joint. The PainTEQ system allows for precise placement without the need for large surgical incisions or hardware such as screws and plates.
  • The Procedure Process – Your physician will use advanced imaging guidance to ensure accurate placement. The implant material is carefully introduced to promote stabilization of the joint while maintaining some functional movement. The entire process is designed to be as gentle as possible on surrounding tissues.
  • Same-Day Discharge – Because this is an outpatient procedure, you will typically go home the same day after a brief recovery period where medical staff monitors your initial response to the treatment.
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Recovery After Non-Invasive SI Joint Fusion

Immediate Post-Procedure Care (First 48 Hours)

Keep the incision site dry by avoiding showers for the first 48 hours. The dressing should remain in place and be kept clean and dry during this initial period. You may experience some soreness at the treatment site, which is normal and manageable with prescribed pain medication.

First Six Weeks

This is the critical healing period where the implant material integrates with your natural tissue. During these weeks, you should take it easy and follow these guidelines:

  • Avoid alcohol and smoking for at least the first two weeks, as these can impair healing
  • Walk and stay active with light activities
  • Avoid lifting more than 15 pounds
  • Limit bending and twisting movements
  • Change dressings daily after the first 48 hours
  • No NSAIDs (non-steroidal anti-inflammatory drugs) for six weeks to allow proper healing

Gradual Return to Activities

Most patients find they can return to normal daily activities within a few weeks, with continued improvement over the following months. Your specific timeline will depend on your individual healing response and activity level.

The recovery from SIJ fusion is significantly faster than traditional surgical fusion, allowing you to return to the activities you enjoy much sooner while still achieving lasting pain relief.

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Optimizing Your LINQ® Procedure

At VSI, we believe recovery starts before your procedure even takes place and continues long after it is complete. This forward-thinking approach is at the heart of the Recovery Revolution™, a movement created to transform how patients experience healing and restoration.

We use advanced procedures and tools to set the stage for optimal recovery. Our recovery therapies reduce inflammation, enhance your healing capacity, and accelerate your return to the life you love. It is part of our 5 Pillars of Recovery, which include cutting-edge technology, surgical precision, continuity of care, and specialized recovery modalities.

Frequently Asked Questions About Non-Surgical SIJ Fusion

Traditional SI joint fusion involves surgical intervention with metal screws or rods to permanently fuse the sacrum to the pelvis. This requires larger incisions, general anesthesia, and extended recovery periods. The PainTEQ procedure uses a minimally invasive approach with an allograft implant roughly the size of an almond, delivered through a single small incision. There is no drilling and no metal hardware implanted, which means faster recovery, fewer complications, and preserved options for future treatments if needed.

The procedure takes approximately 45 minutes and is performed in an outpatient setting. Most patients go home the same day after a brief recovery period.

The procedure is performed under IV conscious sedation along with local anesthetic. You will be relaxed and comfortable but not completely unconscious. This monitored sedation approach is safer than general anesthesia and supports fewer complications.

Diagnosing SI joint dysfunction requires a combination of clinical evaluation, diagnostic tests, and patient history. Common symptoms include lower back pain, pain in the buttocks or thighs, and pain that radiates down the legs. The pain typically worsens with standing or walking and may be relieved by lying down. Your physician will conduct a thorough examination and may use diagnostic injections to confirm that the SI joint is the source of your pain.

Clinical trials and studies have consistently shown significant reductions in pain and improvements in function for patients treated with the PainTEQ system. During your consultation, Dr. Mehta can discuss specific outcomes data and how it relates to your individual situation.

Yes. Since no metal hardware is implanted, you can safely undergo MRI imaging after the procedure if needed in the future.

Recovery timelines vary by individual and the physical demands of your job. Many patients with desk jobs can return to work within one to two weeks. Those with more physically demanding jobs may need four to six weeks before returning to full duties. Dr. Mehta will provide personalized guidance based on your specific situation.

Yes, physical therapy is an important part of your recovery. You can resume physical therapy at four to six weeks post-procedure. Your physical therapist will work with you to gradually restore strength, flexibility, and function while respecting the healing timeline.