Visualization of volumetric modulated arc therapy (VMAT) plans
一种计划、强度的技术,应用在放射疗法、治疗、X射线/γ射线/粒子照射疗法等方向,能够解决无法表示约束最佳折衷方案、很难理解分段形状时空连续性、难以理解计划递送等问题
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[0018] figure 1 A system 10 is schematically illustrated having a radiation therapy system 100 , such as a linear accelerator (LINAC) and a treatment planning system (TPS), shown in this example as computing system 124 . The radiation therapy system 100 includes a fixed gantry 102 and a rotating gantry 104 rotatably attached to the fixed gantry 102 . Rotating gantry 104 is configured to rotate (eg, 360°, or more, or less) about treatment region 108 relative to axis of rotation 106 .
[0019] The stationary gantry 102 includes a treatment head 110 having a therapeutic (e.g., megavolt (MV)) radiation source 112 that delivers treatment radiation and a collimator 114 (e.g., a multi-leaf collimator). The radiation field exiting the treatment head 110 can be shaped into a predetermined shape. Radiation source 112 rotates with rotating gantry 104 about treatment region 108 . The collimator 114 includes a set of jaws and a plurality of blades, all of which can move independently to...
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