Knee Surgery with Sea Coral: NYC Doctors Explain How & Why

Medically reviewed by Dr. Sabrina Strickland, MD · Orthopedic Surgeon, Hospital for Special Surgery · Last reviewed: February 12, 2026

November 25, 2025

In New York City, surgeons are pioneering an innovative procedure to treat knee osteoarthritis. This technique involves implanting a porous structure derived from sea coral into the damaged joint. The coral acts as a scaffold, encouraging the patient’s own cells to grow new cartilage, offering an alternative to traditional, invasive full knee replacement surgery.

Read the article on CBS News to learn more: Coral from the sea is being used in some knee surgeries in NYC. Here’s how, and why.

Photo by Jim Beaudoin on Unsplash

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Medical Disclaimer. This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified physician regarding any questions about your orthopedic health. Individual results may vary based on diagnosis, anatomy, and overall health.