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A Method of Accurately Locking the Isocenter

An isocentric and precise technology, applied in the center field, can solve the problems of beam width laser drift, isocenter positioning error, affecting the clinical treatment results of tumor patients, etc., to improve the accuracy of treatment and maintain stability.

Active Publication Date: 2017-10-20
NANJING CHENGDA MEDICAL TECH
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Problems solved by technology

[0003] The isocenter is the center of the isocenter radiotherapy, and the accurate positioning of the isocenter is the premise of precise radiotherapy. However, in actual radiotherapy, there are many ways to determine the isocenter position by relying on the convergence point of three red laser beams. Uncertain factors, such as laser beam width, laser drift caused by external factors, etc., will introduce isocenter positioning errors, making it difficult to guarantee the quality of precise radiotherapy, directly affecting the clinical treatment results of tumor patients

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  • A Method of Accurately Locking the Isocenter
  • A Method of Accurately Locking the Isocenter

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation.

[0028] The method for accurately locking the isocenter of the present invention is as figure 1 As shown, it includes a positioning identification module installed on the accelerator for positioning identification, a data detection module for detecting and obtaining the coordinates of the positioning identification, and a calculation module for calculating and locking the position of the isocenter.

[0029] The invention also discloses a method for accurately locking the isocenter, such as figure 2 As shown, the method includes the following steps:

[0030] S1: Install one or more positioning devices on the accelerator.

[0031] In at least one embodiment of the present invention, the positioning device is a dedicated positioning ball for in...

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Abstract

The invention discloses a method for accurately locking the isocenter, which avoids the need to turn on the laser and manually align the isocenter during each radiation treatment, greatly reducing the errors and errors caused by manual operations. Errors caused by changes in external factors greatly improve the accuracy of isocenter positioning and the efficiency of positioning, and reduce the work intensity of doctors and physicists.

Description

technical field [0001] The invention relates to a method for accurately locking the isocenter, in particular to a method capable of accurately measuring the isocenter coordinates in radiotherapy, maintaining stability for a long time, and avoiding the influence of external factors. Background technique [0002] Isocentric radiation therapy is a common method of radiation therapy irradiation technology, which is to place the center of rotation of the gantry on the center of the tumor or target area for radiation therapy. [0003] The isocenter is the center of the isocenter radiotherapy, and the accurate positioning of the isocenter is the premise of precise radiotherapy. However, in actual radiotherapy, there are many ways to determine the isocenter position by relying on the convergence point of three red laser beams. Uncertain factors, such as laser beam width, laser drift caused by external factors, etc., will introduce isocenter positioning errors, making it difficult to...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/04A61N5/00
Inventor 葛云李伟峰管月
Owner NANJING CHENGDA MEDICAL TECH
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