Multifunctional measuring mold body

A measurement mode, multi-functional technology, applied in the field of medical instruments, can solve the problems of lack of accurate, effective and convenient verification methods, achieve good visual transparency, reduce image artifacts, and reduce the effect of lateral electronic imbalance problems

Active Publication Date: 2013-10-16
BEIJING ZHONGKANGLIAN MEDICAL EQUIP DEV
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Problems solved by technology

However, the existing dose verification tools basically only meet the needs of two-dimensional planar dose verification. For three-dimensional conformal r

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[0021] The technical solution of the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0022] Such as figure 1 As shown, the multifunctional measuring phantom 1 provided by the present invention is formed by stacking multiple templates with different functions in a vertical direction. In the multifunctional measuring phantom, at least two positioning holes 20 are provided at the same position on at least one diagonal of each layer of template. The multifunctional measurement phantom also includes a plurality of positioning rods 21 for inserting the positioning holes 20 to achieve positioning. By inserting the positioning rods 21 into the positioning holes 20 of each layer of the template, it becomes a whole to form a multifunctional measurement phantom. 1. During use, the type and quantity of multi-layer templates can be adjusted as needed.

[0023] Combine figure 1 with figure 2 It can be seen that, in this embodimen...

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Abstract

The invention discloses a multifunctional measuring mold body. The multifunctional measuring mold body comprises an upper template, an upper ionization chamber measuring plate, a multichannel detector plate, a lung measuring plate, multiple standard building measuring plates, multiple film measuring plates, a lower ionization chamber measuring plate and a lower template, wherein the aforementioned templates are successively stacked in a vertical direction, and at least one diagonal line of each aforementioned template is provided with at least two positioning holes. The multifunctional measuring mold body further comprises multiple positioning rods for inserting into the positioning holes. The aforementioned templates are fixed to form one body by inserting the positioning rods into the positioning holes. The template types and number used can be adjusted according to requirements when the multifunctional measuring mold body is used for measurement. The multifunctional measuring mold body provided by the invention can not only be used for single-layer two-dimensional film dosimetry verification, but also be used for multi-layer three-dimensional film dosimetry verification and daily quality assurance work for ensuring the conformity, flatness and symmetry of the light field and radiation field of an accelerator and the like.

Description

technical field [0001] The invention relates to a multifunctional measurement phantom, in particular to a multifunctional measurement phantom used for conventional radiation therapy, three-dimensional conformal dose verification, reverse intensity modulated dose verification, etc., belonging to the technical field of medical instruments. Background technique [0002] Radiation therapy, chemotherapy and surgery are the three major technical means to treat tumors. With the rapid development of computer technology and imaging, radiation therapy has undergone tremendous changes, from two-dimensional traditional radiation therapy before the 1970s to three-dimensional conformal radiation therapy (3D for short) in the 1980s. -CRT), to the intensity modulated radiation therapy (IMRT for short), which has emerged in recent years, radiation therapy has entered the era of precise radiation therapy from the era of extensive dose control and fuzzy dose distribution. The radiation field ...

Claims

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Application Information

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IPC IPC(8): G01T1/02G01T7/00
Inventor 张可戴建荣张中柱王惠清闫秀芬谢玲灵
Owner BEIJING ZHONGKANGLIAN MEDICAL EQUIP DEV
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