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An artificial replacement of a body part. It may be an internal replacement such as an artificial joint or an external replacement such as an...
Total knee replacement is the substitution of the knee joint with a mechanical device called a prosthesis that provides relief of pain, stability of...



= Encyclopedia Article; = Research Update
Figure 1.Lower-limb prosthesis. Flexible plastic socket, combined with hydraulically controlled knee, plus ankle-foot mechanism permits controlled movement and sufficient speed to allow this above-knee amputee to continue many sports activities. Cosmetic outer covering has been removed to display the internal components. (Mauch Laboratories, Inc.)
From Encyclopedia article 'Prosthesis'
Figure 2.Upper-Iimb prosthesis. Miniature electronic circuitry uses muscle activity from the upper-arm remnant to control the electric elbow. When the elbow is locked in position, control is automatically transferred to the electronic wrist and hand. (Motion Control, Inc.)
From Encyclopedia article 'Prosthesis'