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Med Devices (Auckl). 2014 May 7;7:125-30. doi: 10.2147/MDER.S63575. eCollection 2014.

Minimally invasive arthrodesis for chronic sacroiliac joint dysfunction using the SImmetry SI Joint Fusion system.

Author information

1
Miller Scientific Consulting, Inc., Asheville, NC, USA ; The Jon Block Group, San Francisco, CA, USA.
2
The Jon Block Group, San Francisco, CA, USA.

Abstract

Chronic sacroiliac (SI) joint-related low back pain (LBP) is a common, yet under-diagnosed and undertreated condition due to difficulties in accurate diagnosis and highly variable treatment practices. In patients with debilitating SI-related LBP for at least 6 months duration who have failed conservative management, arthrodesis is a viable option. The SImmetry(®) SI Joint Fusion System is a novel therapy for SI joint fusion, not just fixation, which utilizes a minimally invasive surgical approach, instrumented fixation for immediate stability, and joint preparation with bone grafting for a secure construct in the long term. The purpose of this report is to describe the minimally invasive SI Joint Fusion System, including patient selection criteria, implant characteristics, surgical technique, postoperative recovery, and biomechanical testing results. Advantages and limitations of this system will be discussed.

KEYWORDS:

SImmetry; arthrodesis; fusion; minimally invasive; sacroiliac

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