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Duo™ Lumbar Interbody Fusion System

The Duo™ Lumbar Interbody Fusion System Features

The Duo™ Lumbar Interbody Fusion System by Spineology® is a minimally invasive spinal fusion device designed for use in the lumbar region of the spine. This system incorporates several features that make it a unique and effective solution for spinal fusion surgeries.

Two-Part Design

One of the key features of the Duo™ system is its two-part design. The system consists of an interbody spacer and a self-deploying anchoring device. The interbody spacer is made of a biocompatible polymer material and is designed to fit snugly between the vertebrae in the lumbar spine. The anchoring device is made of nitinol, a shape-memory alloy, and is designed to self-deploy and anchor the interbody spacer in place.

Minimally Invasive

Another important feature of the Duo™ system is its ability to be used in a minimally invasive surgical approach. This is made possible by the system's small profile, which allows for a smaller incision and less tissue disruption than traditional spinal fusion surgery. Additionally, the self-deploying anchoring device eliminates the need for additional instrumentation or implants, further reducing the invasiveness of the procedure.

Unique Graft Delivery System

The Duo™ system also incorporates a unique graft delivery system. The system allows for the delivery of bone graft material through the interbody spacer and into the disc space, promoting fusion between the vertebrae. This feature helps to improve fusion rates and reduce the risk of complications associated with traditional spinal fusion surgery.

Biomechanical Stability

Finally, the Duo™ system is designed to provide excellent biomechanical stability. The interbody spacer and anchoring device work together to provide a secure, stable construct that promotes fusion between the vertebrae. The system's unique design also allows for excellent load distribution, reducing the risk of implant failure.


Overall, the Duo™ Lumbar Interbody Fusion System by Spineology® is an innovative and effective solution for lumbar spinal fusion surgery. Its unique design features, minimally invasive approach, and graft delivery system make it a highly desirable option for both patients and surgeons.

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