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Consistency verification device of center of cone beam CT (CBCT) image and isocenter of linear accelerator and manufacturing method thereof

A linear accelerator and image center technology, applied in X-ray/γ-ray/particle irradiation therapy, radiation therapy, treatment, etc., can solve the problem of accuracy, flat panel detectors and radiation sources that affect the consistency of the image display center and the accelerator isocenter Problems such as the deterioration of positional accuracy, achieve the effect of simple production, guaranteed accuracy, and simple verification operation

Pending Publication Date: 2016-09-21
谷晓华
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Problems solved by technology

In order not to affect the normal treatment positioning operation, the kV-CBCT flat-panel detector and KV-level radiation source are recovered in a safe position when position verification is not performed, and they are opened to the scanning position when used; due to repeated o...

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  • Consistency verification device of center of cone beam CT (CBCT) image and isocenter of linear accelerator and manufacturing method thereof
  • Consistency verification device of center of cone beam CT (CBCT) image and isocenter of linear accelerator and manufacturing method thereof
  • Consistency verification device of center of cone beam CT (CBCT) image and isocenter of linear accelerator and manufacturing method thereof

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Embodiment Construction

[0017] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0018] CBCT image center and linear accelerator isocenter consistency verification device, including: vertical plate 1, cover plate 2, lead wire 3, described vertical plate 1 is two pieces of side length 30 centimeters, the thickness is 1 centimeter square plexiglass plate , the cover plate 2 is two square plexiglass plates with a side length of 10 centimeters and a thickness of 1 centimeter, on which a cross-shaped through groove 4 is opened, and the width of the groove 4 is 1 centimeter, and the depth is 0.5 cm; the middle position of the upper and lower ends of the vertical plate 1 is provided with a horizontal groove 5 with a width of 10 cm and a depth of 1 cm; a slot 6 with a length of 14 cm and a width of 1 cm is provided at the longitudinal center position; the described The surface of the vertical board 1 is provided with a cross-shaped through mosaic groove w...

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Abstract

The present invention discloses a consistency verification device of the center of a CBCT image and the isocenter of a linear accelerator and a manufacturing method thereof. The consistency verification device comprises upright plates, cover plates and galvanized wires, the upright plates are plugged with one another vertically via the slots, and the cover plates are embedded in the horizontal grooves of the upright plates via cross-shaped grooves. The manufacturing method comprises the steps of machining a machine glass pane of 30 cm*30 cm, slotting grooves of which the widths are 10 cm and the heights are 14 cm; machining a machine glass pane of 10 cm*10 cm, and slotting grooves of which the widths are 1 cm and the depths are 0.5 cm. The materials of the verification device are easy to get, and the verification device is economical and practical, is simple to manufacture, is simple and safe in verification operation, at the same time, also has a function of detecting the laser rays to indicate the levelness and verticality within a certain therapeutic range, and guarantees the radiotherapy precision.

Description

technical field [0001] The present invention relates to the field of radiotherapy, and more specifically relates to a device for verifying the consistency between the image center of a radiotherapy equipment CBCT and the isocenter of a linear accelerator and a manufacturing method thereof. Background technique [0002] The cone beam CT (cone beam CT, CBCT) developed in recent years based on large-area amorphous silicon digital x-ray detection board has the characteristics of small size, light weight, and open architecture, and can be directly integrated into the linear accelerator. CT images within a volume range can be acquired and reconstructed by one revolution of the gantry. The three-dimensional patient model reconstructed from the CT image in this volume can be matched and compared with the patient model of the treatment plan, and the parameters that need to be adjusted on the treatment bed can be obtained. [0003] There are two types according to the radiation energ...

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1001A61N5/103A61N5/1048A61N5/1077A61N2005/1092A61N2005/1085
Inventor 谷晓华谷梦涵詹鸣
Owner 谷晓华
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