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Design Knowledge Intermediary
Echo Dog Prosthetic
(21/Dec/2017)
When a dog loses a limb, it affects both the dog and the owner. Canines with such injuries can become depressed as their natural mobility and balance are compromised. Their owners can also be affected by seeing their “best friend” hindered by such a horrible injury. As part of an International Design Competition, Shubham Harish, a student at the College for Creative Studies, developed a design for a prosthetic leg for dogs. The Echo prosthetic can have an incredibly positive effect on dogs both physically and mentally.
 
The Echo utilizes a ReMotion Knee, an affordable prosthetic available through D-Rev. Specifically designed for a dog’s anatomy, the ReMotion Knee joint mimics the function of the dog’s knee by creating the necessary back and forth movement of the limb. The steel springs around the knee are an important feature as they help the leg to snap back to the original position, creating continuous fluid motion and natural movement.
 
The Echo provides dogs that have lost a limb with a prosthetic that mimics the functions of their original limb and feels natural as they use it. Considerations of comfort, natural movement, communication between the body and the new limb, the need for adjustments and proper fit, and the use of breathable materials have all been met by the Echo dog prosthetic, which is able to return confidence and happiness to both the dog and its owner.
 
The process for building the prototype model for the Echo dog prosthetic included structural design work, CNC machining, wet-sanding, plating, painting, screen printing and final assembly. The Echo was built from ABS plastic, pelite sponge foam, urethane, aluminum and brass.
 
Form, fit and function is vital to determine whether a prosthetic would be successful for a specific canine. Using a vacuum suction socket and one-way liner with multiple small magnetic points allows a tight and comfortable fit. The attraction between points when the dog stump is in the vicinity of the socket helps with the initial fit, and suction helps the stump go all the way in. Pelite, which is lightweight and soft-to-the-touch, was used for cushioning the socket and urethane was used for padding the one-way liner to reduce friction between the skin and socket.
 

Website(s):
- www.model-solution.com