1. Therapeutic system (20) for determining the shape (102, 152) aperture mask based on the diameter (106, 156) mills to be used to perform a hole cutter, said system (20) comprising: at least one a processor (68, 70) programmed to: obtain a form (102, 152) for opening a treatment plan for the patient and the diameter (106, 156) milling iprivedeniya referring to proper form (102, 152) relative to the hole diameter of the cutter (106, 156) .2. . Therapeutic System (20) according to claim 1, wherein the bringing to the proper mean is performed at least by one of: overlapping the segmentation (150) of the first mold part (102, 152) based on the diameter hole (106, 156) milling ineperekryvayuschey segmentation (100) of the second mold part (102, 152) based on the diameter hole (106, 156) frezy.3. Therapeutic system (20) according to claim. 2, the overlapping segmentation (150) includes an extension part of the first mold (102, 152) of the opening, at least to the diameter of the cutter (106, 156) .4. Therapeutic system (20) according to one of claims. 2 or 3, wherein the non-overlapping segmentation (100) includes reducing the second mold part (102, 152) of the opening up to a cutter during an access zone frezerovaniya.5. Therapeutic system (20) according to any one of claims. 1-3, in which the processor (68, 70) is further programmed to: manufacture of the opening machine in accordance with the reduced form to the proper form (118, 168) otverstiya.6. Therapeutic system (20) according to any one of claims. 1-3, in which the processor (68, 70) is further programmed to: re-optimize the treatment plan based on the given referring to the proper form (118, 168) otverstiya.7. Therapeutic system (20) according to claim 6, further comprising: a. Means (60) delivery of therapy which delivers medication to the target (56) based on the re-optimization1. Терапевтическая система (20) для определения формы (102, 152) отверстия маски на основе диаметра (106, 156) фрезы, которая должна