2014

3D Printing of Bone Replacement Material

ROSEMONT, Ill., March 18, 2014 /PRNewswire-USNewswire/ -- Currently, there are few methods for healing large bone gaps that occur as a result of injury.  The standard method of treatment involves transplanting donor bone to fill the gap.  However, disease transmission or rejection of the donor bone can result.  Although using a patient's own bone from elsewhere in their body is an option, it involves increased pain caused by the additional surgeries needed to harvest and transplant the bone.  Either way, one of the major stumbling blocks to bone repair is bone infection associated with the metallic stabilization hardware.

"Infections in limbs are commonplace among soldiers injured in blasts during combat or among civilian victims of terror attacks, which can unfortunately lead to limb amputation," explains Professor Hani Awad and Jason Inzana of the University of Rochester.  Awad and Inzana along with their colleagues are working to create a new bone replacement material that will enable a gap in the bone to heal.  With the help of medical imaging and 3D printing techniques, this replacement material could be fitted specifically to each individual patient.  "Considering that our 3D printing process does not use high temperatures," Inzana reports, "we are able to incorporate proteins such as collagen to more closely mimic the composition of bone as well as include other drugs and bioactive molecules that can help to stimulate regeneration of the bone or to combat infection."

Inzana recently presented the research at the Annual Meeting of the Orthopaedic Research Society (ORS).  He and his colleagues anticipate that their findings could pave the way for future treatments.  "We are hopeful," he explained, "that this technology can be translated from bench to bedside to improve the prospects of limb salvage." The full scientific article detailing Awad and Inzana's research progress can be found online: http://dx.doi.org/10.1016/j.biomaterials.2014.01.064

Founded in 1954, the Orthopaedic Research Society strives to be the world's leading forum for the dissemination of new musculoskeletal research findings.  The musculoskeletal system provides form, support, stability, and movement to the body.  

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SOURCE Orthopaedic Research Society



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