Precise radiotherapy planning system
A radiation therapy and planning technology, applied in radiation therapy, therapy, X-ray/γ-ray/particle irradiation therapy, etc., to achieve the effect of improving positioning accuracy, fast positioning, and good consistency
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Embodiment 1
[0197] Embodiment 1: The process of using photon beams to plan intensity-modulated radiation therapy for patients.
[0198] Step 1: Input the CT data of the patient. After rectifying multiple CT slices, automatic and semi-automatic delineation methods are used to quickly construct a three-dimensional display of the human body and organs. Doctors use the software tools of this system to delineate the range of tumors and critical organs. Figure 14 is the display of the CT slice and the range of the target area drawn by the doctor. Fig. 15 is a three-dimensional reconstruction of the stereoscopic display of the patient's head.
[0199] Step Two: Setting Up the Beam. First select the energy and number of photon beams from the computer interface, and the incident direction of each photon beam (determined by the frame angle and the nose angle). For intensity-modulated therapy, in order to obtain a better dose distribution, a larger number of photon beams is usually selected. In ...
Embodiment 2
[0204] Example 2: The process of applying electron beams to patients for conformal radiation therapy. The steps are:
[0205] Step 1: Input the CT data of the patient. After rectifying multiple CT slices, automatic and semi-automatic delineation methods are used to quickly construct a three-dimensional display of the human body and organs. Physicians use the system's software tools to delineate the extent of tumors and vital organs. Fig. 22 is the display of the CT slice and the range of the target area drawn by the doctor. Fig. 23 is a stereo display of the three-dimensional reconstruction.
[0206] Step Two: Setting Up the Beam. Select the energy and number of electron beams and the incident direction. In this case the doctor chose three electron beams. Figure 24 shows the incident directions of three 18 MeV electron beams for conformal irradiation on superficial tumors.
[0207] Step 3: call the electron beam dose calculation module to calculate the dose distribution...
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