3-D Printed Body-Powered Cosmo-Functional Partial Finger Prosthesis with DIP and PIP flexion, facilitated by the flexion of MCP Joint with the help of Linkage
Finger Prosthesis,3D printing, Partial finger amputee, Body powered prosthesis, Tenodesis
Amputation is the removal of a body part by surgery. Digital amputations are often associated with traumatic injuries but may be the result of a planned operation to prevent spread of infection in a finger or hand. Almost 45,000 people undergo finger amputation in the United States each year according to NCBI. Our patient is a 25-year-old male who had lost his finger in an accident in his factory. His finger got cut at the level of mid proximal phalanx of index finger on his right hand. In this research we aimed to fabricate a partial finger prosthesis which is both functional and cosmetically appealing. Most of the time functional ones may not match the cosmetic appearance the only cosmetic fingers can provide. Hence, we decided to use latest 3D printing techniques to fabricate a prosthetic finger for his partial finger amputation which is both functional and cosmetically appealing. Using tenodesis action and body power as driving force, we managed to make the prosthesis flex at both proximal interphalangeal joint and distal interphalangeal joint using the bending moment at metacarpophalangeal joint.
Article Details
Unique Paper ID: 154663

Publication Volume & Issue: Volume 8, Issue 12

Page(s): 4 - 7
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