Hosmer Introduces 4-Function Wrist
November 01, 2002
Hosmer, a Fillauer Company, is pleased to introduce a new off-the-shelf, body-powered 4-Function Wrist. Its minimal length is easily hidden in the forearm. The benefits of incorporating flexion/extension and pronation/supination function in high-level upper extremity prostheses have been widely known.
With this option, high-level transhumeral, shoulder disarticulation, or bilateral clients increase their work envelope and functional range to include activities at the midline, essential for daily living.
Until now, creating a body-powered wrist that allowed this function involved borrowing locks, cables, springs and buttons from existing componentry in a piecemeal fashion.
Two reciprocating locks are activated with bump switches at the wrist and forearm to secure wrist flexion and rotation respectively.
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