Stryker touts 3D-printed Tritanium cage study results

Stryker (NYSE:SYK) today released data from a pre-clinical study comparing spinal implants made form a variety of different materials exploring their bone-ingrowth and biological fixation capabilities.

Results from the study were published in last months issue of The Spine Journal, the Kalamazoo, Mich.-based company said.

The study examined the use of traditional PEEK cages, plasma-sprayed titanium-coated PEEK cages and Stryker’s proprietary 3D-printed porous Tritanium cages, the company said.

Results indicated that the Tritanium cages showed significantly greater total bone volume within the graft window at 8 and 16 weeks when compared to PEEK cages. The Tritanium-built devices were also the only cages to show a decrease in the range of motion and an increase in stiffness across all three loading directions between 8 and 16 weeks, the company said.

“The results of this study provide an evidence-based approach to decision-making regarding interbody materials for spinal fusion, as there is significant variability in the materials commonly used for interbody cages in spine surgery. The study showed the potential for bone in-growth into and around the Tritanium cages,” Dr. Sigurd Berven of the University of California, San Francisco, said in a prepared statement.

“Stryker’s proprietary Tritanium technology, a novel, highly porous titanium alloy material designed for bone in-growth and biological fixation, is based on additive manufacturing techniques for orthopedic surgery pioneered by Stryker over 15 years ago. This important study reinforces the value of our growing line of Tritanium interbody cages and demonstrates Stryker’s commitment to bringing the latest in advanced technologies to our customers,” Stryker spine division GM Michael Carter said in a press release.

Late last month, Stryker posted second quarter earnings that topped expectations on Wall Street and lifted its guidance for the remainder of the year.

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