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A treatment planning system and treatment system

A planning system and a substitute technology, applied in the field of radiation therapy, can solve the problems of not providing spatial information of organs, poor spatial resolution, etc., and achieve the effect of reducing the margin

Active Publication Date: 2016-10-05
KONINKLJIJKE PHILIPS NV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it suffers from poor spatial resolution since it typically uses between one and three transponders to collect spatial information of the target
Furthermore, it does not provide any spatial information about surrounding normal tissue and / or organs at risk

Method used

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  • A treatment planning system and treatment system
  • A treatment planning system and treatment system
  • A treatment planning system and treatment system

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Embodiment Construction

[0031] refer to figure 1 , therapy system 10 includes one or more imaging modalities 12 for acquiring images of targets and / or organs at risk in a patient. The imaging modality 12 suitably comprises a computed tomography (CT) scanner, a positron emission tomography (PET) scanner, a magnetic resonance (MR) scanner, a single photon emission computed tomography (SPECT) scanner, a cone One or more of shaped beam computed tomography (CBCT) scanners and the like. Images acquired from imaging modality 12 are stored in one or more image memories 14 .

[0032] Planning system 16 of treatment system 10 receives one or more planning images, such as three-dimensional and / or four-dimensional image sets, of a patient's target and / or organ-at-risk. Typically, the planning images are received from the imaging modality 14 via the image memory 14, although other sources are also contemplated. As discussed below, planning system 16 employs planning images to generate and / or update a treatment...

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PUM

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Abstract

A therapy system (10) includes one or more processors (98, 100). The processor (98, 100) is programmed to receive one or more of: (1) from a dosimeter (26, 28, 202, 204, 206, 208, 210, 212) dosimetry data; and (2) motion data from a surrogate (18, 20, 22, 24) implanted in the patient. Based on the movement data, a current position and / or shape of the surrogate (18, 20, 22, 24) is determined, and a deviation between the current position and / or shape and a reference position and / or shape is determined. Based on the dosimetry data, the delivered dose distribution is compared with the planned dose distribution and deviations therebetween are determined. Deviations determined from the motion data and / or the dosimetry data are used for adaptive planning, alignment, post-treatment analysis and safety.

Description

technical field [0001] This application relates generally to radiation therapy. This application finds particular application in connection with estimation of inter-segment and intra-segment motion and will be described with reference thereto. However, it should be understood that it can be applied to other usage scenarios as well, and is not necessarily limited to the applications mentioned above. Background technique [0002] In radiation therapy, a spatially targeted radiation dose is applied to a target, such as a tumor containing cancerous or malignant tissue in a patient. Cancer cells that grow and multiply rapidly tend to be more susceptible to damage from radiation than normal cells, allowing doses given according to proper planning to preferentially kill cancerous or malignant tissue. Current clinical workflows in radiation therapy often involve the use of a single 3D or 4D image set to develop detailed treatment planning, including contours around targets and org...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10G01T1/02
CPCA61B5/1126A61B5/721A61B2562/0233A61N5/1037A61N5/1038A61N5/1039A61N5/1049A61N5/1071A61N2005/1051A61N2005/1072A61B5/0036A61N5/103G01T1/08G06T2207/30004
Inventor S·巴拉特V·帕塔萨拉蒂
Owner KONINKLJIJKE PHILIPS NV
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