The PCM Cervical Disc System, which stands for Porous Coated Motion, consists of a cobalt-chrome alloy with UHMWPE (ultra-high molecular weight polyethylene). This design represents a metal-on-polyethylene bearing.
The outside coating of the disc consists of a titanium/calcium phosphate double coating attached to a serrated surface. This design allows for a press-fit fixation as well as the ability for bone in-growth, which helps keep the disc securely in place.7 The PCM cervical artificial disc is designed to match the natural contour of the uncovertebral joint. It allows for minimal limitations of range of motion and minimal constraint.
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The PCM Cervical Disc System was approved for commercial marketing and use in the US by the FDA in October 2012.8 FDA-IDE clinical trials have currently reported 5-year results.9
- Link, HD; McAfee, Paul C.; and Pimenta, L: Choosing a Cervical Disk Replacement. The Spine Journal 4:294S-302S, 2004.
- PCM Cervical Disc System - P100012. U.S. Food and Drug Administration website. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/DeviceApprovalsandClearances/Recently-ApprovedDevices/ucm327487.htm. Accessed April 2015.
- Phillips FM, Geisler FH, Gilder KM, Reah C, Howell KM, McAfee PC. Long-term Outcomes of the US FDA IDE Prospective, Randomized Controlled Clinical Trial Comparing PCM Cervical Disc Arthroplasty With Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2015;40(10):674–83.