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Mechanical engineering students are making a difference in healthcare with newly developed 3D printed models that can help children with hip dysplasia, provided the femur is shallow or in poor condition, causing pain and worn joints.

Six Students – One PhD Students at Embry-Riddle Aviation University are working on the project, combining their efforts in different areas of research to overcome this condition, which affects two to three children in every 1,000 births, according to the Hip Dysplasia International Institute (IHDI). :

“As a graduate student, Tamara Chambers is currently developing a neonatal musculoskeletal model using motion capture,” said Dr. Victor Huayamav, a mechanical engineering assistant and program faculty advisor. “Two undergrads develop finite element models using CT (computed tomography) and MR (magnetic resonance imaging) images. Another student develops models from cadaveric images. A group of three builds a 3D model of a baby with hip dysplasia to help train medical professionals.

“The goal of the trainer is to improve the accuracy of DDH (thigh developmental dysplasia) medical diagnoses և to reduce the cost of current industrial models,” said Pedro McGregor, Senior Mechanical Engineer, who oversaw the 3D manufacturing aspect of the work. ,

3D-printed models inspired by the anatomical museum design will help train physicians to understand what happens when they experience unstable thigh movement. The created thighs and thighs are of different densities and are designed to mimic the fragility of the baby’s bones during development. According to McGregor, one of the biggest challenges the team faced during the study was the availability of literature on the properties of baby ties, particularly stiffness and strength values.

Dr. Victor Huayamaw, a mechanical engineering assistant, is leading the hip dysplasia study at Embry-Riddle as a faculty consultant.

Dr. Victor Huayamaw, a mechanical engineering assistant, is leading the hip dysplasia study at Embry-Riddle as a faculty consultant.

“Because we were at a dead end, the team reversed our efforts to ensure that the ligaments could hold the pelvis and thighs in place without stretching as the medical items were prepared,” McGregor added.

Imitating a baby’s musculoskeletal anatomy, however, is much more difficult than simply simplifying a fully mature human body model.

“The goal is for this model to represent the newborn, not the adult newborn,” said Chambers, a sophomore. Mechanical engineering student. “It will allow more researchers to study the growth and development of the baby during the first year of life.”

Aspen Taylor, a recent graduate of Mechanical Engineering, led the component of the work, which included segmental clinical images of baby bones for 3D modeling and analysis.

“Catching hip dysplasia at an early age will allow doctors to solve problems while the newborn is still young, rather than the child growing up.

Eventually, the work will lead to the advancement of treatment options.

“The great thing about research in this area is that you provide one piece that someone else takes, then they keep going, and the next person keeps going, and then you have this really great end result.” said Quinn Guzman, another student involved in the work. “I would be really rewarded to know that I was involved in a small part of that research that went on and on about something that had a positive effect.”

But as Huayamaveh points out, such practical research can be just as valuable to students as it is to those whose work serves them.

“All students work on topics related to hip dysplasia, but at the same time, they learn tools that can be translated into any engineering field,” said Huayamave. “It will help them a lot in the future if any of them decide to change their research interest.”

Huayamav, along with Dr. Eduardo Divo, Head of Program Chair, Professor of Mechanical Engineering, has been promoting hip dysplasia research since 2012, when he was a graduate student. Student at the University of Central Florida (UCF). His team’s recent collaboration with UCF aims to improve treatment equipment: equipment.

Posted in Engineering Science | Research

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