Importance

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Abstract

An electro-mechanical grasping device that simulates the movements of a human hand suitable for use as an artificial hand prosthesis that is lightweight, agile and includes a firm grasp. A lightweight platform houses a plurality of very small high torque electrical motors, each having its own linear gear rack, all of which is connected by suitable wire-like actuating member to a plurality of jointed members each of which represents a particular digit of the hand. A stiff cable is connected between all the simulated digits and the gear racks, the cables being mounted through eyelets that act as harness guides for providing the proper strength and movement of each of the digits. Control of the artificial hand and the digits may be through the receipt of myogram signals from the human muscles in the appropriate situation while power is received from a small DC battery.

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First Claim