A mending apparatus for a leakage flux gap, to mend a shield having an opening, so that the electromagnetic radiation source is completely circumscribed, and the electromagnetic wave does not emanate to external. The method continues with the processing module generating transformed data from the encrypted data and generating a masked key from the deterministic key and the transformed data. The encapsulation element has a third surface facing away from the first surface. Method for the correction of Pectus Carinatum using said apparatus in order to achieve a normal anatomic shape of the chest wall.