Prospective study and new concepts based on scoliosis detorsion of the first 225 early in-brace radiological results with the new Lyon brace: ARTbrace

Scoliosis
Jean Claude de MauroySophie Pourret

Abstract

The symmetrical Lyon brace is a brace, usually used to maintain correction after a plaster cast reduction in the Cotrel's EDF (Elongation-Derotation-Flexion) frame. The new Lyon brace or ARTbrace is an immediate corrective brace based on some of the principles of the plaster cast which are improved due to advances in CAD/CAM technology. The aim of this paper is to describe concepts of this new brace to be not only a replacement of the plaster cast, but also a definitive brace. Instead of a plaster cast, three segmental CAD/CAM moulds are made with the instantaneous full 3D raster stereography digitizer (Orten):In self axial elongationIn shift and lumbar lordosisIn shift and thoracic kyphosis A specific software (OrtenShape) makes up the overlay of the three moulds. Mould 1 is used for the pelvis and the shoulders mould 2 for the lumbar segment and mould 3 for the thoracic segment. The mathematical basis of the ARTbrace is the torso column which is a circled helicoid with horizontal circle generator. A torso column is reproduced in the opposite direction of the scoliosis. Like the plaster cast, the ARTbrace is worn for a "total time" of 24 hours 7 days a week without modifying the standard protocol of the Lyon brace reduction. T...Continue Reading

References

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Jan 20, 2009·Scoliosis·Stefano NegriniUNKNOWN international Society on Scoliosis Orthopaedic and Rehabilitation Treatment (SOSORT)
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Citations

Feb 13, 2018·Scoliosis and Spinal Disorders·Stefano NegriniFabio Zaina
Apr 3, 2020·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Tamás S IllésJean F Dubousset
Dec 31, 2020·Bioengineering·Athar AliWerner Schmölz
Sep 30, 2020·European Journal of Physical and Rehabilitation Medicine·Angelo G AulisaLorenzo Aulisa

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Methods Mentioned

BETA
imaging technique

Software Mentioned

SPSS
OrtenShape
Rigo System
Rigo
OrthenShape
ARTbrace
Excel
ORTEN

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