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Resource Type: Definitions

Resource Type: Definitions

Custom Foot Orthosis

A device derived from a three-dimensional mold of the patient’s foot. This device may be functional or accommodative and is based on a prescription.

Orthosis

A device utilized to assist, resist, facilitate, stabilize or improve range of motion and functional capacity of various joints in the body. See Custom Foot Orthosis

P-Cell

P-Cell is a closed-cell EVA foam used as a topcover material for foot orthoses.

Plastazote

A lightweight, cross-linked foam used in the manufacturing of foot orthoses. Firm or medium density Plastazote are used as a shell material for a functional, accommodative orthosis.

EVA (ethyl vinyl acetate)

A closed-cell foam available in a medium (40 durometer) or firm (70 durometer) density. Used as an orthotic shell material for accommodative custom orthoses, or as a material for topcover

Graphite

Used for custom functional orthoses, ProLab graphite is extremely thin and lightweight with variable rigidity within the shell for localized strength in high-force areas. Orthoses made with this material are

Milled Polypropylene

Material used for custom functional orthosis. The shell is milled directly out of a block of polypropylene based on the corrected “virtual” positive mold. Milled polypropylene is more rigid compared

Vacuum-Formed (VF) Polypropylene

Material used for custom functional orthosis. The shell is made from a sheet of polypropylene, heat formed over a corrected positive mold of the foot. This positive can be made

Wide Width

Distal medial edge of orthosis extends medially to the medial aspect of the medial sesamoid.

Standard Width

Distal medial edge of the orthosis extends medially to a bisection of the sesamoids.