1. A property-determining device for determining the properties of an object, the property-determining device (1) comprising: an optical sensor (6, 7, 73) for generating optical read data that indicate an optical property of the object (3), an ultrasonic sensor (10) for generating ultrasonic read data that indicate the ultrasonic property of the object (3), a property-determining unit (75) for determining the property of the object (3) based on at least one of the optical read data and the ultrasonic read data Mania. 2. A property-determining device according to claim 1, wherein the property-determining device (1) comprises a catheter (21), the optical sensor (6) and the ultrasonic sensor being integrated into the catheter (21) .3. A property-determining device according to claim 1, wherein the property-determining device (1) further comprises an energy supplying element (4) for supplying energy to the object (3) .4. A property-determining device according to claim 1, wherein the property-determining unit (75) is configured to determine surface properties of an object (3) according to optical reading data. The property-determining device according to claim 1, in which the energy-supplying element (4) supplied energy to the object (3) along the line and wherein the property-determining unit (75) is configured to determine whether energy was continuously supplied along the line as an object property (3) depending on the optical read data. 6. The property-determining device according to claim 5, in which the optical sensor (6, 7, 73) is configured to generate optical spectra in several positions along the line, and to determine whether energy was supplied along the line continuously1. Определяющее свойства устройство для определения свойств объекта, причем определяющее свойства устройство (1) содержит:- оптический датчик (6, 7, 73) для генерации данных оптического считывания, которые указывают оптическое свойство объекта (3),- ультразвуковой датчик (10) для генерации д
