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Scientists at Rice University and the University of Maryland (UMD) have outlined a new proof-of-concept for 3D printing artificial bone tissue. With results published in Acta Biomaterialia, the hope is that such tissues may one day help to damage related to arthritis and sporting accidents.
Sean Bittner, a third-year bioengineering graduate student at Rice, National Science Foundation fellow and lead author of the paper, said “Athletes are disproportionately affected by these injuries, but they can affect everybody.”
THIS - A - POWERFUL - TOOL - TO
“I THINK THIS WILL BE A POWERFUL TOOL TO HELP PEOPLE WITH COMMON SPORTS INJURIES.”
Rice and UMD’s artificial bone concept uses 3D printed cell scaffolds. Created at the Rice Biomaterials Lab, these experimental structures were made from a custom mixture of polymer and ceramic material. The design followed in 3D printing was created to mimic the structure of osteochondral tissue with imbedded pores.
End - Result - Material - Cartilage - Tissue
The end result is a material that mimics both cartilage (chondral tissue) and bone (osteo). After drying, the scaffolds underwent rigorous compressive tests, where they proved to be mechanically comparable to natural bone.
Eventually, by applying such scaffolds to the body, the goal is to improve the treatment of injuries where small cracks and pieces of theses bones break off. Potential advantages of such implants include the ability to encourage the in-growth of cells and blood vessels. “For the most part, the composition will be the same from patient to patient,” explains, Bittner, “There’s porosity included so vasculature can grow in from the native bone. We don’t have to fabricate the blood vessels ourselves.”
Research - Collection - Studies - Bone - Cases
This latest research adds to a growing collection of studies in 3D printed bone. In some cases, studies have already been conducted...
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