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Method of making an ankle encompassing pressure orthosis

  • US 5,503,622 A
  • Filed: 06/06/1995
  • Issued: 04/02/1996
  • Est. Priority Date: 04/18/1994
  • Status: Expired due to Fees
First Claim
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1. A process for custom fitting a brace for limiting eversion and inversion of an ankle and a foot and allowing dorsiflexion and plantar flexion of the ankle and the foot, which comprises the steps of:

  • (a) creating a positive cast means of the ankle and the foot;

    (b) measuring the circumference of the ankle and the foot including the malleolus bones of the ankle;

    (c) fabricating an anterior support means having an essentially rectangular shape with two short sides and two long sides and a posterior support means having a polygonal shape with a short side, two longer angled sides adjacent the short side and a side opposite the short side;

    (d) heating the anterior support means and forming the anterior support means on the positive cast means such that the anterior support means conforms to an anterior portion of the ankle, the anterior support means having an arcuate sidewall between a proximal open end and a distal open end along and around a longitudinal axis of the leg wherein the sidewall at the distal end extends only slightly outward away from the ankle over a top of the foot so as to allow dorsiflexion of the foot;

    (e) removing the anterior support means from the positive cast means;

    (f) trimming the anterior support means in order to comfortably accommodate the ankle and the foot;

    (g) placing the anterior support means back on the positive cast means;

    (h) heating the posterior support means and forming the posterior support means on the positive cast means such that the posterior support means conforms to a posterior portion of the ankle, the posterior support means having an arcuate sidewall between a proximal open end and a distal arcuate open end along and around the longitudinal axis of the leg;

    (i) removing the anterior support means and the posterior support means from the positive cast means;

    (j) trimming the posterior support means in order to comfortably accommodate the ankle and the foot; and

    (k) pivotably connecting the anterior support means and the posterior support means together such that the sidewalls define an opening extending between the distal open ends and the proximal open ends and wherein when mounted around the ankle, the anterior support means and the posterior support means together extend downward beyond the malleoli of the ankle and provide encompassing pressure around the circumference of the ankle and the foot.

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