New Meniscus Screw for Cartilage Repair

A new meniscus screw has been developed for use in knee cartilage repair.

Called Trinion, the screw complements the previously marketed Hexalon biodegradable cruciate ligament repair screw, and is the product of Inion (Tampere, Finland).

Trinion has been cleared by the U.S. Food and Drug Administration (FDA). Inion has developed a proprietary family of biomaterials called Optima, made by blending rigid and elastic polymer components to create implants with the most appropriate strength, malleability, and degradation profiles to meet specific clinical requirements. A carefully tailored polymer mix allows the Trinion screw to degrade through normal metabolic pathways to carbon dioxide and water.

Trinion screws are used for the fixation of longitudinal vertical meniscus lesions, where the knee cartilage has torn. The benefits of the Trinion screw include a dual-head screw for optimal fixation with a headless design that allows complete insertion into the meniscus to avoid chondral lesion development. To aid surgeons, the screws are colored to allow improved visibility in arthroscopic procedures and are cannulated for increased ease of insertion.

"We believe that biodegradable implants will have a significant role to play in the future of orthopedics,” said Auvo Kaikkonen, CEO of Inion. "They have obvious benefits in many areas, not only for patients but also for surgeons and the health industry in general.”




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