Cartiva Implant Big Toe 2026 | Podiatrist

Cartiva (synthetic cartilage implant) is an FDA-approved device for treating hallux rigidus (big toe arthritis) as an alternative to joint fusion. It is a 9mm cylindrical implant made of polyvinyl alcohol hydrogel — a material that mimics the water content and stiffness of natural cartilage — that is pressed into a prepared hole in the first metatarsal head. By replacing the worn cartilage surface, Cartiva allows continued big toe motion without the permanent stiffness of fusion.

The MOTION trial (the pivotal FDA study) showed Cartiva produced equivalent pain relief and functional improvement to fusion at 2 years, while preserving motion. However, longer-term data (3–5 years) shows higher revision rates for Cartiva (approximately 20–25%) compared to fusion, with many patients eventually requiring conversion to fusion when the implant fails or subsides. Fusion remains the gold standard for advanced hallux rigidus — Cartiva is best for patients with moderate disease who strongly wish to avoid joint stiffness and understand the higher revision risk.

Ideal Cartiva candidates have Grade 2–3 hallux rigidus with painful loss of motion, have failed conservative treatment, and have a strong preference to maintain some big toe motion (important for yoga, barefoot activities, flexible footwear). They should be counseled that 20–25% require revision surgery within 5 years. Patients with advanced arthritis (Grade 4), significant sesamoid arthritis, or very high physical demands (distance runners, weightlifters) are better served by joint fusion, which has superior long-term durability and lower revision rates.

Cartiva recovery is faster than fusion: patients walk in a surgical shoe immediately after surgery; return to regular shoes at 3–4 weeks; return to low-impact activity at 6–8 weeks; return to sport at 3 months. Physical therapy with aggressive first MTP joint motion exercises begins within 2 weeks — maintaining range of motion in the early post-operative period is critical for achieving the motion-preservation benefit of the implant. Fusion recovery, by comparison, requires longer protected weight-bearing (6–8 weeks) and takes 4–6 months for full activity.