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Teaching playback swing-phase-controlled above knee prosthesis

  • US 5,443,524 A
  • Filed: 06/09/1993
  • Issued: 08/22/1995
  • Est. Priority Date: 06/09/1992
  • Status: Expired due to Fees
First Claim
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1. A teaching playback swing-phase-controlled above knee prosthesis comprising:

  • a structural body comprising a thigh frame and a leg frame pivotally joined to the thigh frame;

    a cylinder interconnecting the thigh frame and the leg frame;

    means for adjusting the opening of a valve of the cylinder;

    a remote control means comprising at least a data input means for entering data concerning the opening of the valve, and a signal transmitting means for transmitting the data, the signal transmitting means comprising an infrared transmitter for transmitting a setting operation start signal and a radio transmitter for transmitting the data concerning the opening of the valve;

    a signal receiving means for receiving the data transmitted by the signal transmitting means of the remote control means, disposed within the structural body, the signal receiving means comprising an infrared receiver for receiving the setting operation start signal and a radio receiver for receiving the data concerning the opening of the valve, the radio receiver being turned on and off based on the setting operation start signal; and

    a leg control unit disposed within the structural body to control the means for adjusting the opening of the valve of the cylinder according to the data received by the radio receiver of the signal receiving means so that the leg frame will swing relative to the thigh frame properly according to a predetermined speed.

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