The deformed bone structure of the thorax (chest wall, sternum, etc.) is transferred from the inside to the outside as a consequence of support and counter pressure while using the Pectus Bar, thereby rectifying the deformity.
• The implants are not suited for replacing structures of the chest wall. The funnel chest may be pushed outwards by using the bars. However, it is not always possible to plan or predict the extent to which the deformity can be corrected in the short, medium, and long term.
• The tunneling tool is used to conduct sternum reduction. The resulting outcome can then be fixed and maintained by the in situ pre-shaped implant. Prior to surgery, the aesthetic effect cannot always be predicted.
• The implant might be exposed to increased mechanical strain post-operatively depending on the kind of deformity, its presentation, symmetry or asymmetry, and complexity (concomitant scoliosis, kyphosis, excessively pronounced costal arches, etc.).
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