| 摘要 |
A hydraulic actuated artificial muscle is use with orthetic devices, prosthetic devices or as an actuator for other applications in medical or robotic devices. Working fluid is pumped between two expandable fluid-containing cells (2,10), which are complimentary active elements of the artificial muscle. This eliminates the need for a storage reservoir, thereby providing a self-contained, and force efficient device. Each of the preferred embodiments described has one or more expandable fluid-containing cells (2,10) that are defined by at least one flexible wall (4). The flexible walls (4,12) are configured so as to have elastic properties that are limited to predefined directions of expansion and contraction.
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