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Prosthetic socket
Medical Design
Year
2020
Undergraduate research scholarship program
This was a 3 month long project funded through a $4,000 scholarship by the SURF (Summer Undergraduate Research Fellowship) at the University of Houston.

prosthetic arm rejection rates can be as high as 80%
How can we change that?

User experience research
This prosthetic socket is designed for Mr. Pinon, a patient with a transhumeral amputation. He wanted a socket that would allow him to do tasks like mowing the lawn or using tools and keep his arm stable without squeezing very hard and cutting off circulation.



solution: A socket that adjusts with movement








Adjustable prosthetic sockets
Selective pressure sockets
Various methods of adjustment
Harness
Transhumeral amputee anatomy




Testing out pressure points
Electroactive Polymer :
material that contracts when in contact with an electrical current
Parts of the socket could be made out of electroactive polymer that contracts when the arm is in a downward position to keep the prosthetic from fallling off, and loosens slightly when the arm is in a more vertical position.


3d printed pieces
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breathable silicone liner
Electroactivated polymer band
button to tighten band
Triple Axis Accelerometer
plug
carbon fiber exterior



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