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One-dimensional water tank for measurement of radiotherapy machine

A radiotherapy, water tank technology, applied in the field of medical devices, can solve the problems of measurement limitations, measurement errors, etc.

Pending Publication Date: 2020-10-23
张松方
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are defects in the existing measuring water tank: when the measuring depth needs to be changed, the coincidence of the level of the horizontal plane and the depth scale line of the tank is observed by the human eye. Often different people, or even the same person at different times, have different eye positions to see The height of the water surface is also different, which artificially causes measurement errors, and the existing water tank can only be measured for a specific height of the water level, resulting in measurement limitations

Method used

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  • One-dimensional water tank for measurement of radiotherapy machine
  • One-dimensional water tank for measurement of radiotherapy machine
  • One-dimensional water tank for measurement of radiotherapy machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] figure 1 Schematic diagram of the structure of a one-dimensional water tank used for radiotherapy machine measurement provided by the embodiment of the present invention, figure 2 For the structural schematic diagram of the water level gauge of the one-dimensional water tank used for the measurement of the radiotherapy machine provided by the embodiment of the present invention, please refer to figure 1 with 2 As shown, the first aspect of this embodiment provides a one-dimensional water tank for radiotherapy machine measurement, including a first tank 1, an ionization chamber adapter 2, a drain hose 3 and a water level gauge 4;

[0050] The ionization chamber adapter 2 is installed in the first box body 1, and the ionization chamber adapter 2 has an accommodating cavity penetrating to the side wall of the first box body 1, and the accommodating cavity is used to place the ionization chamber 5 ;

[0051] A drain hole 11 is opened on the side wall of the first box 1,...

Embodiment 2

[0058] image 3 For the structural schematic diagram of the support platform of the one-dimensional water tank used for the measurement of the radiotherapy machine provided by the embodiment of the present invention, please refer to Figure 1 to Figure 3 As shown, this embodiment provides a one-dimensional water tank used for measurement of a radiotherapy machine, and this embodiment provides a support table on the basis of Embodiment 1.

[0059] The one-dimensional water tank used for radiotherapy machine measurement in this embodiment also includes a support platform 6 with a step 61 of a preset height on the support platform 6, and the step 61 is used to support the water level gauge 4, wherein, when When the water level gauge 4 is placed on the bottommost step of the support platform 6 , the height of the top surface of the bottommost groove 41 of the water level gauge 4 is the same as the height of the centerline of the ionization chamber adapter 2 .

[0060] Further, th...

Embodiment 3

[0067] This embodiment provides a one-dimensional water tank for measuring radiation therapy machines. On the basis of Embodiment 2, this embodiment provides specific structures of the first tank and the second tank.

[0068] In this embodiment, drain valves 8 are installed on the bottoms of the first box body 1 and the second box body 7 . By setting the drain valve 8 at the bottom of the first box and the second box, after the radiation energy measurement and radiation dose calibration are completed, the water can be drained by directly opening the drain valve 8 .

[0069] In this embodiment, a level 9 is installed on the first box body 1 and / or the second box body 7 . By setting the level meter 9, it is possible to visually identify whether the first box body and the second box body are in a horizontal state, and adjust in time when the first box body and the second box body are not in a horizontal state, so as to ensure the water level in the first box body 1 Accuracy of m...

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Abstract

The invention discloses a one-dimensional water tank for measurement of a radiotherapy machine. The water tank comprises a first box body, an ionization chamber adapter, a drainage hose and a water level device. The ionization chamber adapter is arranged in the first box body; the ionization chamber adapter is provided with an accommodating cavity penetrating to a side wall of the first box body;the accommodating cavity is used for accommodating an ionization chamber; a drainage hole is formed in the side wall of the first box body, the first end of the drainage hose is connected with the drainage hole, a water outlet platform is arranged at the second end of the drainage hose, a plurality of grooves are arranged in a water level indicator, each groove has a preset height, and the groovesare used for containing the water outlet platform so that the upper surface of the water outlet platform has a preset height. According to the one-dimensional water tank for measurement of the radiotherapy machine, limitation of water surface height measurement in the first tank body is solved, an operator does not need to observe a water surface height through eyes when the one-dimensional watertank is used, measurement time is shortened, and manual measurement errors are reduced.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a one-dimensional water tank used for measuring radiation therapy machines. Background technique [0002] At present, tumor radiotherapy is a treatment method that uses high-energy X-rays to deal with tumor cells through the focusing of the rays. The energy and dose of high-energy rays will change, and the ionization chamber and measuring water tank must be used to quantitatively detect high-energy X-rays, which is a necessary step to ensure accurate tumor radiation therapy doses. [0003] In the existing common water tank, radiotherapy physicists place the measurement center of the ionization chamber in the water tank at the central axis of the ionization chamber adapter, and then fill the water tank to different depths for radiation energy measurement and radiation dose calibration. There are defects in the existing measuring water tank: when the measuring depth ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/02A61N5/10
CPCA61N5/10G01T1/02
Inventor 张松方张佳斐
Owner 张松方
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