Stephen Sefton Resume

Working with Clark Chang, an expert on cornea eye diseases, we created a model showing progressive cornea disease using spectrum deviation maps of corneas to drive CAD models for comparative optical effects a user can experience by looking through 5 different manufactured lenses.

Working with Marketing Managers and Veterinarians in Australia, we created a model showing 7 different canine gastrointestinal worms at actual size to help promote canine drugs that fight these parasites. Making the worms at full size helps people identify worms in their own dogs' feces. 

Working with Project Managers and Engineers in Switzerland we made a full line of Orthopaedic Hip Implant Models using 4x different Hip Stems and 2x different Hip Cups. These models help a doctor explain to a patient the hip replacement procedure and  parts for better understanding and confidence in the surgery.

Working with Medtronic's new product division we helped create a prototype to show how their new aortic graft could be used in cases with atypical anatomies. 

On a molecular level, this model shows how an engineered molecule  can block the transmission of signals at the neuromuscular junction, specifically by inhibiting the release of acetylcholine (ACh) from peripheral cholinergic nerves.  

This model shows the delivery mechanism and deployment of an aortic heart valve. This approach uses a valve in a catheter inserted behind the knee into the femoral artery through a small incision. The valve is deployed in a beating heart and is pressed into place with a balloon.