Stryker said the combination of its Triathlon Tritanium cementless tibial baseplate and metal-backed patella components and its Mako Total Knee system provides surgeons with a more predictable surgical procedure, increased operating room efficiency, biologic fixation, and an alternative to bone cement.

Stryker Corp.

Stryker took its time introducing its robotic-assisted total knee arthroplasty application for its Mako system. Now, within seven months, the company launched that system and landed FDA clearance to use it in cementless total knee replacement procedures.

Cementless total knee arthroplasty enjoyed early adoption, only to lose it over joint loosening due to micromotion, according to an article in the Annals of Translational Medicine. Stryker turned to 3-D laser printing of porous titanium components that mimic bone surface and encourage bone fixation.

“That’s good for the patient,” Stuart Simpson, president of Stryker’s joint replacement division toldMDDI Qmed. “It should be good for long-term outcomes and make sure that [the] implant stays fixed in the patient for a very long time.”

Cementless total knee replacement also appealed to surgeons for younger, more active patients who typically have healthier bones, higher expectations, and a longer life expectancy, Simpson said.

“But we’re finding with surgeons having had success with those patient types, they’re starting to view it as an attractive option for more and more patients,” he said. “They’re recognizing operating efficiencies, and that outcomes are better for more patients, not just the young, active patients.”

With cementless procedures making a comeback, Stryker decided to combine its Triathlon Tritanium cementless tibial baseplate and metal-backed patella components with its Mako Total Knee system, both previously FDA approved and used independently of one another. The combination provides surgeons with a more predictable surgical procedure, increased operating room efficiency, biologic fixation, and an alternative to bone cement, according to the company.

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source: MDDI+Qmed