Vaendli va swikwirikiri swa pedicle va phakela hardware ya nkoka endzhaku ka ku khomiwa ka nkolo wa le ndzhaku — swikwirikiri, tinhonga, na swihlanganisi leswi tiyisisaka nkolo wa thoracolumbar eka swiyimo swa ku onhaka, ku onhaka, ku vaviseka, na ku pfuxeta. Xiyenge lexi xi tshama exikarhi ka tikhathalogu to tala ta vaxavisi va nkolo, hi swona leswi endlaka leswaku xi faneriwa hi ku kamberiwa hi vukheta ku tlula 'hi yihi brand leyikulu.'