Preoperative beam dose measurement device

A technology of dose measurement and equipment, applied in the field of dose verification equipment, can solve the problems of incapable of making full use of the precious time of the treatment terminal, low spatial resolution, cumbersome experimental process, etc. effect of dose

Inactive Publication Date: 2017-05-31
JIANGSU SUPERSENSE TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0006] The imaging plate cannot read the dose data in real time during irradiation, the experimental process is cumbersome and time-consuming, and a verification takes about 60 minutes, which cannot make full use of the precious machine time of the treatment terminal
The pixelated ionization chamber is a bulky instrument with complex structure and low spatial resolution, which is inconvenient to use and is mostly used for regular inspections or special case studies

Method used

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  • Preoperative beam dose measurement device

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Embodiment Construction

[0023] Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

[0024] Such as figure 1 As shown, the present invention provides a preoperative beam dose measurement device, including a device housing 1, a light conversion module 2, a reflection transmission module 3 and a signal detection module 4, the light conversion module 2, reflection transmission module 3 and signal The detection modules 4 are all installed on the equipment casing 1; the light conversion module 2 is a fluorescent scintillation screen; the reflection transmission module 3 is a reflector; the signal detection module 4 is a camera, and the camera includes a lens 41 and A photosensitive device 42, the optical signal received by the reflective transmission module 3 is sensed by the photosensitive device 42 after passing through the lens 41;

[0025] The optical conversion module 2 is used to receive the beam signal emitted from the outside, and c...

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Abstract

The invention discloses a preoperative beam dose measurement device which comprises a device casing, an optical conversion module, a reflection transmission module and a signal detection module. The optical conversion module, the reflection transmission module and the signal detection module are all arranged on the device casing. The optical conversion module is used to receive an externally transmitted beam signal, convert the beam signal into an optical signal and transmit the optical signal to the reflection transmission module. The reflection transmission module is used to transmit the received optical signal to the signal detection module. The signal detection module acquires an optical signal distribution map based on the received optical signal and transmits the optical signal distribution map to an image analysis system, and acquires beam dose distribution through the image analysis system. According to the invention, the beam dose measurement device has the advantages of fast reaction speed, high measurement precision and small size; and a computer can directly convert the image data into dose data in real time due to advanced calibration of the beam dose measurement device.

Description

technical field [0001] The invention belongs to the technical field of dose verification equipment, in particular to a preoperative beam dose measurement equipment. Background technique [0002] Traditional radiation therapy uses X-rays (γ photons) as irradiation particles. Due to its advantages of low cost and small footprint, it has been widely promoted. Due to the characteristics of the interaction between photons and matter, when X-rays (γ-photons) are used to irradiate tumors, X-rays (γ-photons) will deposit most of the radiation dose at the front of the tumor, and at the same time deposit a considerable part of the dose behind the tumor At the end, only a small amount of the dose is deposited in the tumor area. This causes radiation damage to healthy organs or tissue in the area before and after the tumor, an unavoidable side effect of X-ray (gamma photon) radiation therapy. However, when proton beams or heavy ion beams are used to irradiate tumors, due to the Brag p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/08
CPCG01T1/08
Inventor 周荣许纹健李磊孙熙杉薛会吕凌俊王敏刘飞
Owner JIANGSU SUPERSENSE TECH CO LTD
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