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'Living' spinal disc implants help fight back pain

from Discovery News

Engineers at Cornell University and doctors at the Weill Cornell Medical College have developed "living" artificial discs that outperform current implants used in discectomies, a surgery where damaged spinal discs are removed. The new artificial discs are made out of two polymers — collagen, which wraps around the outside of the disc like a tire and a hydrogel called alginate in the middle that helps bear weight, just like real discs. more


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