4WEB Medical, based in Texas, USA, announced at the North American Spine Society Annual Meeting held in San Francisco, November 2014, that surgeons have now implanted over 3,000 of the company’s 3D-printed orthopaedic truss implants. The company’s spine portfolio includes FDA-cleared Cervical and ALIF interbody devices, with plans to add TLIF, PLIF, OLIF, and Lateral spine truss designs in the first and second quarter of 2015.
“Crossing the 3,000 implant milestone is a significant accomplishment for our company,” stated Jessee Hunt, President of 4WEB Medical. “It is a testament to our surgeons’ positive clinical experience with truss implant technology and the role it may play in achieving better outcomes for their patients.”
The use of Additive Manufacturing utilises engineering principles such as structural mechanics and adjacent material reaction to produce innovative spine implants that may actively participate in stimulating the healing process. “The 4WEB Medical Spine Truss Systems are differentiated from other fusion implants currently on the market because the structural mechanics of the truss implants are designed to distribute loads across the entire endplate and throughout the device,” stated Cameron Carmody, MD, Orthopaedic Spine Surgeon in Plano, Texas. “This is significant because these implants may reduce stress risers and subsidence-related complications and potentially stimulate a cellular response through a mechanical transduction of strain.”
The truss implant designs have a distinctive open architecture, which allows for up to 75% of the implant to be filled with graft material to maximize bone incorporation. The 4WEB Medical ALIF device has a bi-convex surface that brings the implant and graft material closer to adjacent bone across the entire endplate rather than just around the outside edge. This in addition to a unique implant surface texture dramatically improves initial fixation and reduces the chance of migration.
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