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Thoracolumbosacral Orthosis Jewett Brace

A Jewett brace is a three points pressure system of orthosis, which is used for controlling the flexion of the spine. It is a hyperextension orthosis, which allows extension but prevents flexion of the spine.

It is mainly used post operatively and the Jewett Brace is easy to fit and adjust.

There are four basic designs for thoraco-lumbar support: the body jacket, the Jewett-type 3-point brace, the Boston brace, and a semi-rigid support with shoulder straps. The custom-fitted total body jacket is called a clamshell because it has a front and back half. It immobilizes and supports your trunk. Since it is made of plastic and lined with foam, you need to wear a thin cotton T shirt against your skin to absorb perspiration and allow air to circulate. This is a major consideration if you live in a climate that is hot and humid.

Jewett Spinal Hyperextension Brace

The advantages of the body jacket are that it is good if you have multiple fractures, severe kyphosis, or existing scoliosis, and it fits without pressing on bony areas. Its disadvantages are that it is confining and bulky and may feel heavy to you even though it is made of lightweight plastic. It is also expensive: a total body jacket may cost about $1000.

The Jewett-type 3-point hyperextension brace prevents flexion and rounded shoulders and holds your body upright (which is why it is called a hyperextension brace). Because this brace is an open oval metal or plastic frame, it is less bulky and confining than the total body jacket. It is also easy to put on and allows air to circulate. Its disadvantages are that pressure sensitive areas can develop, and if you already have a spinal curvature or existing scoliosis, the brace may not fit properly.

The Jewett-type brace costs about $400.