I-catheter yenziwe inayiloni ekhethekile ene-elasticity enhle, amandla aphezulu, akulula ukuphuka.Inomaki wesikali esicacile kanye nomugqa ovimbayo we-X-ray, olungisa indawo kahle.Ingafakwa emzimbeni womuntu isikhathi eside, futhi isetshenziselwe i-anesthesia ngaphambi nangemva kokuhlinzwa.