What are some of the most significant recent advances in upper-limb prosthetic technology?
Alley: In the component sector, Otto Bock’s sensor hand, Motion Control’s flexion wrist for its electric prehensor, LTI’s Boston Elbow 3, and Animated Prosthetic’s PDA-based wireless controller and battery technology have all contributed greatly to both patient and practitioner capabilities. Atkins: Microprocessors that allow a prosthetist to modify a variety of control options without changing componentsas was necessary in the pastare a huge advantage. An experienced prosthetist can do this “troubleshooting” in an initial fitting; an experienced OT [occupational therapist] can learn to change the control thresholds as the amputee’s strength increases; and in certain cases, the user can be taught to make these adjustments himself as he progresses. The transcarpal myoelectric hand is also a terrific advance. Billock: The lithium-polymer battery technology just introduced into prostheses is very impressive. These smaller batteries are 80 percent lighter than nickel-cadmium batteries, 70
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