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Continuous passive motion device

  • US 4,974,830 A
  • Filed: 02/09/1989
  • Issued: 12/04/1990
  • Est. Priority Date: 01/19/1989
  • Status: Expired due to Term
First Claim
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1. A continuous passive motion device for articulating the knee of a patient'"'"'s leg, comprising:

  • a drive tube having a mounting means reciprocally mounted along said drive tube wherein said mounting means includes opposing leg members on opposite sides of said drive tube;

    a thigh support bar pivotally connected to one end of said drive tube;

    a calf support bar having one end pivotally connected to said thigh support bar, and having another end connected to said mounting means;

    drive means coupled to said drive tube for reciprocally driving said mounting means along said tube to cylically raise and lower said thigh and calf support bars; and

    a support saddle connected to each said support bar, each said support saddle including a rigid frame and a soft central portion removably attached to said rigid frame, in which said soft central portion of each saddle lifts up the thigh and calf of the patient'"'"'s leg, respectively, when said thigh and calf support bars are being raised by said drive means, and in which said rigid frame pushes down on the top of said thigh and calf when said thigh and calf support bars are lowered by said drive means.

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