Scoliosis medical research
Once upon a time, in a far away city, I did some work for the Glenrose Rehabilitiaton Hospital in their Orthopedic Engineering Research Group (OERG). I worked here as a student doing biomedical engineering and building software diagnostic tools brace technology to assist doctors in diagnosing and treating scoliosis patients. This morning I came across an article on the University of Alberta website that talked about some work that I helped start-up back in 2001. The article Engineers at the forefront of medical research talks about a device called the active bracing system, in which a scoliosis brace automatically tightens itself if it has loosened. The OERG focuses on understanding how to treat and assess scoliosis - an abnormal curvature of the spine which can limit range of movement, cause pain and result in an asymmetrical look to the torso. The goal of this system is to facilitate more accurate diagnoses and better treatments, decreasing the need for surgical intervention. I worked on the beginnings of this system under the supervision of Dr. Edmond Lou. Its nice to see that the project was continued well after I completed my student summer internship. I’m sure the code has undergone many revisions since then!
“It’s a failure if a child comes here and ends up having surgery - we don’t consider those successes,” said Jim Raso, who heads up the OERG and is associate director of the Glenrose Rehabilitation hospital… “Children with scoliosis may have to wear a brace for 23 hours a day,” said Lou. The hard shell holds the curve of the spine in place, forcing it into proper alignment, but its effectiveness can be compromised by daily activities, which can cause the brace to loosen. “One of my systems is able to maintain the interface pressure between brace and body. So if the system senses it’s too loose, it will pump air into the force pad area and when it’s too tight, it will release the air,” said Lou. The group is also developing computer software to accurately measure the physical surface of the back. “Surface typography produces a map of the back and shows where the bumps and valleys are,” said Raso. The technology allows clinicians to track physical changes associated with scoliosis and determine if there have been changes to the spinal curve. This offers some information that an X-ray can’t provide. While X-rays are low-dose, radiation exposure is still a health concern for clinicians and patients.


