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Therapeutic ankle orthosis

  • US 5,902,259 A
  • Filed: 12/27/1995
  • Issued: 05/11/1999
  • Est. Priority Date: 12/27/1995
  • Status: Expired due to Fees
First Claim
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1. A therapeutic ankle orthosis comprising:

  • (a) an extended lateral shell having a positioning aperture corresponding to the fibular malleolus and having a lower end portion extending downwardly beneath that aperture;

    (b) an extended medial shell adapted to fit beneath and upwardly about the tibial malleolus;

    (c) a foot shell adapted to underlie the rear foot and having an upper medial side portion extending upwardly to overlap the lower end portion of the medial shell;

    (d) pivot means connecting the lower end portion of the medial shell to the side portion of the foot shell permitting angular movement of the foot shell relative to the lateral shell about an axis substantially coincident with the functional axis of the talocrual joint,(e) locking means for selectively preventing angular movement of the foot shell relative to the medial shell;

    (f) securing means for holding together the overlapping lower end portion of the medial shell and the side portion of the foot shell forwardly of the pivot means to resist ankle inversion and eversion; and

    (g) adjustable strap means for holding the shells in operative position on the leg and ankle and foot and for applying focal compression to control edema of the ankle.

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