1. A method for determining the position of a medical instrument ( 3 ) introduced into an object ( 1 ) to be examined and for imaging the vicinity of the medical instrument ( 3 ), wherein the position of the medical instrument ( 3 ) within the object ( 1 ) to be examined is determined by means of a localization device ( 5 ) that is arranged at the end zone of the medical instrument ( 3 ) that is to be introduced, image information of the vicinity of the medical instrument ( 3 ) being acquired at the same time by means of an image acquisition device ( 4 ) arranged on the medical instrument ( 3 ), the position of the medical instrument ( 3 ) being reproduced in a survey image ( 15 ) of the object ( 1 ) to be examined on the basis of the position determined, and images of the vicinity of the ( 1 ) to be examined which are associated each time with the relevant position being displayed on the basis of the image information acquired.