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Pivot device between parts of an orthopedic aid

  • US 6,187,051 B1
  • Filed: 09/08/1998
  • Issued: 02/13/2001
  • Est. Priority Date: 11/25/1994
  • Status: Expired due to Fees
First Claim
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1. A pivot device for use between parts of an orthopedic aid comprising:

  • a multi-element kinematic joint chain having at least four joint elements;

    rotation means connecting respective ones of said joint elements, wherein the elements connected with one another have a common rotational axis, and said rotation means are positioned parallel to one another, wherein said joint chain, in a first position representing full extension, provides two different modes of joint flexion, wherein, in said first position, a first element of said joint elements executes a first type of movement and a second type of movement with respect to other elements of said joint elements connected to a first side of said first element, wherein said first type of movement, when initiated before said second type of movement, blocks said second type of movement and said second type of movement, when initiated before said first type of movement, blocks said first type of movement.

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