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Three-dimensional printed prosthesis demonstrates functional improvement in a
patient with an amputated thumb : A technical note

Three-dimensional printer is widely used in industry,
biology, and medical fields. We report a finger prosthesis produced by a
three-dimensional scanner and printer for a 67-year-old man with a right thumb
amputation above the metacarpophalangeal joint. TECHNIQUE: His right amputated
and left intact hands were scanned with a three-dimensional scanner, and the
left-hand image was rotated to the right side to design the right thumb
prosthesis. The designed prosthesis was printed with a three-dimensional printer
using the fused filament fabrication output system. DISCUSSION: The Jebsen-Taylor
hand function test and Box and Block Test scores improved after application of
the prosthesis. Most Quebec User Evaluation of Satisfaction with Assistive
Technology results were "very satisfied," and most Orthotics and Prosthetics
Users' Survey results were "very easy." Preparing the prosthesis made by
three-dimensional scanner and three-dimensional printer was faster and cheaper
than preparing a conventional prosthesis. Clinical relevance Using
three-dimensional scanning and printing technique, we can easily produce
specifically shaped finger prostheses for specific movements in amputated
patients with low cost.

Langue : ANGLAIS

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