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Providing treatment plans for radiotherapy when delivery is interrupted

A technique for treatment planning and radiation therapy, applied in radiation therapy, therapy, X-ray/γ-ray/particle radiation therapy, etc., to solve problems such as displacement or deformation

Pending Publication Date: 2022-07-22
RAYSEARCH LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when delivery resumes, the patient may have moved or internal organs may have been displaced or deformed compared to before (eg, due to an empty bladder)

Method used

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  • Providing treatment plans for radiotherapy when delivery is interrupted
  • Providing treatment plans for radiotherapy when delivery is interrupted
  • Providing treatment plans for radiotherapy when delivery is interrupted

Examples

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Embodiment Construction

[0030] Aspects of the present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, which illustrate certain embodiments of the invention. These aspects may, however, be embodied in many different forms and should not be construed as limiting; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and will The scope of all aspects will be fully conveyed to those skilled in the art. Throughout the specification, the same numerals refer to the same elements.

[0031] Figure 1A -B is a schematic diagram illustrating an environment in which the embodiments presented herein may be applied. First, it will be described Figure 1A example. The treatment planning system 1 determines distributed radiation for radiation therapy. This is communicated to the radiation delivery system 2 as a treatment plan 12a, 12b. Based on the treatment plan, the radiation delivery system 2 gener...

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Abstract

A method is provided for providing a treatment plan for radiotherapy when delivery is interrupted, the method being performed by a treatment planning system. The method comprises the steps of: detecting that delivery of a first treatment plan has been interrupted; obtaining an indication of delivery of a partial dose representative of a portion of the first treatment plan delivered prior to the interruption; generating a second treatment plan, wherein the partial dose delivery is input to the second treatment plan generation as background dose formation; and optimizing the second treatment plan while taking into account the plurality of scenarios.

Description

technical field [0001] The present disclosure relates to the field of radiation therapy, and in particular to providing a treatment plan for radiation therapy when delivery is interrupted. Background technique [0002] In radiation therapy, one or more treatment beams irradiate a target volume. Various types of treatment beams can be used, such as photon beams, electron beams, and ion beams. The target region may represent a cancerous tumor. The treatment beam penetrates the tissue and delivers an absorbed dose to kill tumor cells. [0003] During a course of radiation therapy to a patient, the delivery of radiation therapy sometimes has to be interrupted. For example, interruptions may occur because patients need to go to the bathroom or for technical reasons. In the prior art, when the delivery of radiation therapy is resumed, the system simply provides the remainder of the delivery. [0004] However, when delivery is resumed, the patient may have moved or internal or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1038A61N5/1037A61N5/1071
Inventor 里卡德·霍姆伯格
Owner RAYSEARCH LAB
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