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Repairing damaged cartilage with a man-made bio-glass
Cartilage, which is found in joints, as well as between vertebrae in the spine, is not as easy to repair as other types of connective tissue, and its degeneration can leave patients in a lot of pain. A new bio-material, made up of a mixture of a polymer called polycaprolactone and silica, could help with the ability to replace lost cartilage.
It's similar to real cartilage in that it's strong, flexible and durable, giving it the same load-bearing and shock-absorbing properties. Furthermore, it's possible to produce the material in a biodegradable ink form, allowing researchers to 3D print structures. The material also has self-healing properties, allowing two sections to firmly reattach after being pulled apart.
The researchers believe that the material could be useful in numerous situations. For example, it could be used to create implants for patients with damaged intervertebral discs, or to 3D print tiny biodegradable scaffolds that replicate lost cartilage in the knee.