1. An apparatus for applying energy to an object, wherein the object (2) comprises a location (3) with a radioactive substance, and the apparatus (1) for applying energy comprises: a block (8) locating used to detect the location (3) with radioactive , X-ray unit (9) for application to the X-ray detectable location (3) of the object (2), the surgical device (5) comprises at least one of a hand-held device and the device in the body, wherein the surgical device (5) with the erzhit at least block part (8) locating and at least part of the X-ray unit (9), so that the location (3) with a radioactive substance is detectable, and X-rays can be used to discover the location (3) through a surgical device (5 ), and wherein the control unit (8) comprises an array detection location (10) detecting elements for detecting radiation from radioactive substance and for generating a detection signal indicative of detected radiation, wherein the matrix (10) found ivayuschih elements adapted to generate a spatial detection signal depending on the location of the respective detecting element, wherein the device (1) for applying energy comprises a unit (12) determining the direction to determine on the basis of the spatial detection signal direction of maximum radioactivity, and wherein the control unit (12) determining the direction adapted for spatial differentiation of the detection signal and to determine the direction based on maximum radioactivity1. Устройство для применения энергии к объекту, причем объект (2) содержит местоположение (3) с радиоактивным веществом и причем устройство (1) для применения энергии содержит:блок (8) обнаружения местоположения, используемый для обнаружения местоположения (3) с радиоактивным веществом,рентгеновский блок (9) для применения рентгеновских лучей к обнаруживаемому местоположению (3) объекта (2),хирургическое устройство (5), представляющее собой по меньшей мере одно из ручного устройства и устройства в организме, причем хирургическое устройств