| 主权项 |
1. A method of controlling output of an electrosurgical power generating source, the method comprising:
receiving an initial time series of image data including tissue temperature information of a target tissue volume, the tissue temperature information including a plurality of temperature bands; selecting one or more of the plurality of temperature bands at a plurality of time periods; thresholding the initial time series of image data to detect an inner boundary and an outer boundary of the one or more selected temperature bands; calculating a specific absorption rate (SAR); and determining at least one operating parameter associated with the electrosurgical power generating source based on the calculated SAR; wherein a positional transition of the inner and outer boundaries of the one or more selected temperature bands indicates a change in temperature used for calculating the SAR, the calculated SAR is evaluated according to a predetermined logical routine factoring heat distribution within a tissue area, energy applicator design, number of energy applicators used simultaneously, time, wattage, a size of a tumor, a location of a tumor, and whether the tumor is primary or secondary cancer; and wherein the SAR is re-calculated, based on a plurality of subsequently received time series of image data, independently of the predetermined logical routine previously used. |
