PMC7318897_01
Prostheses hardware used in this study. (A) Michelangelo hand owned by the participant and used as a baseline with conventional two-channel control in this study. (B) Research prosthesis controlled by eight channels and linear regression. (C) Components of the research prosthesis: rotation unit (upper left), outer socket with battery holder, power-switch and strap with hook and loop fastener to adjust the fit (lower left), inner socket made from silicone with eight integrated electrode modules (lower right), customized controller. (D) Use of the regression based prosthesis in uncontrolled conditions, in daily life. (E) Chronology of this case report indicating prosthetic use, functional assessments (stopwatch), and adjustments period (tool icon). Michelangelo hand was used already since 12 month at the study period and before the participant used single-DOF prostheses for around 35 years.
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F1
A chronologic overview on the participant's prosthetic history and this study is provided in Figure 1E.