Abstract
Background:High correction bracing is the most effective conservative treatment for patients with scoliosis during growth. Still today braces for the treatment of scoliosis are made by casting patients while computer aided design (CAD) and computer aided manufacturing (CAM) is available with all possibilities to standardize pattern specific brace treatment and improve wearing comfort.Objective:CAD / CAM brace production mainly relies on carving a polyurethane foam model which is the basis for vacuuming a polyethylene (PE) or polypropylene (PP) brace. Purpose of this short communication is to describe the workflow currently used and to outline future requirements with respect to 3D printing technology.Method:Description of the steps of virtual brace adjustment as available today are content of this paper as well as an outline of the great potential there is for the future 3D printing technology.Results:For 3D printing of scoliosis braces it is necessary to establish easy to use software plug-ins in order to allow adding 3D printing technology to the current workflow of virtual CAD / CAM brace adjustment. Textures and structures can be added to the brace models at certain well defined locations offering the potential of more wearing comfort without losing in-brace correction.Conclusions:Advances have to be made in the field of CAD / CAM software tools with respect to design and generation of individually structured brace models based on currently well established and standardized scoliosis brace libraries.
Highlights
High correction bracing is the most effective conservative treatment for patients with scoliosis during growth
Many different braces are in the market nowadays, but not all with the best possible outcome [4], which would outweigh the impact of brace treatment in children and adolescent patients during growth
While the Boston brace is more or less symmetric with pads inserted leading to compression effects which might be experienced as being uncomfortable by the patients, more asymmetric braces using the Chêneau standard of pattern specific correction in a prospective controlled study have been shown to be able to improve the outcome with a success rate of 80% Fig. (1) [6]
Summary
High correction bracing is the most effective conservative treatment for patients with scoliosis during growth. Still today braces for the treatment of scoliosis are made by casting patients while computer aided design (CAD) and computer aided manufacturing (CAM) is available with all possibilities to standardize pattern specific brace treatment and improve wearing comfort
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