Lumbar Disc Replacement Device Technology Continues To Advance With Growing Demand And Technological Developments

 

Lumbar Disc Replacement Device

The Lumbar Spine is one of the largest and strongest parts of the body. Its vertebrae are connected by a gel-filled disc that acts as a shock absorber to distribute pressure and stress between the bones. A disk that is damaged or degenerated can cause pain and limit mobility. There are many different types of lumbar disc replacement devices on the market today. Some are relatively constrained while others are unconstrained, but both types have been shown to be effective in treating patients with DDD.

Currently, there are several FDA-approved artificial discs available for the lumbar spine. These include the Prodisc(r)-L, CHARITE(r), Secure(r)-C, and Maverick(r).

The Lumbar Disc Replacement Device consists of two metallic endplates and a polyethylene inlay that has been plasma-sprayed with titanium to help promote bone integration. It was originally designed to treat single-level DDD but was expanded in Spring 2020 to include two-level disease.

It also has a low profile, which allows it to be used in conjunction with other devices to treat adjacent levels of the spine (“stacking”). This allows for a less invasive procedure and better outcomes when more than one disc is replaced at a time.

Another Lumbar Disc Replacement Device is CHARITE(r), a semi-constrained artificial disc that was introduced in the late 1980s. It consists of two metal (cobalt chrome alloy) endplates and a polyethylene insert that has been plasma-sprayed with titanium. The disc has a keel that helps hold it in place. Moreover, it has a unique design that allows for translation to a greater extent than other devices without compromising a significant portion of the load and potentially harming facet joints.

Secure(r)-C is a semi-constrained artificial disc developed by Globus Medical that was approved in 2012 for use at the lumbar spine. It consists of two metal (cobalt chromium molybdenum alloy) endplates and a polyethylene inlay. It has a keel that helps keep it in place and is less likely to migrate. In October 2022, Centinel Spine, LLC, expanded the availability of the prodisc Cervical Total Disc Replacement (TDR) portfolio, which helps match the disc to anatomy of patient.

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