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Radio-simulator collimator collimation line movement mechanism

A technology of collimator and line motion, which is applied in the direction of using diaphragm/collimator, radiotherapy, X-ray/γ-ray/particle irradiation therapy, etc., which can solve the problem of affecting the positioning accuracy of the well line and the complex movement mechanism of the well line , well line movement asynchronous and other problems, to achieve the effect of solving the well line positioning inaccurate, compact structure, stable and reliable movement

Active Publication Date: 2010-02-24
SHINVA MEDICAL INSTR CO LTD
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AI Technical Summary

Problems solved by technology

[0002] The existing wire movement mechanism of the collimator of the radiotherapy simulator is relatively complicated. The steel wire drives the clamp slider to move through many winding wheels through a certain winding method. There are many parts, and many bearings and windings are used. There are asynchronous defects in the well line movement, which affects the accuracy of well line positioning
And the well wire is made of a single tungsten wire. If the tungsten wire is not straight, it is difficult to adjust the tension, and it will also affect the accuracy of positioning.

Method used

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  • Radio-simulator collimator collimation line movement mechanism

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Embodiment Construction

[0013] The present invention will be further described in conjunction with the accompanying drawings of the above-mentioned embodiments.

[0014] As shown in the figure, the radiation simulator collimator well wire movement mechanism according to the present invention has a frame and a clamping device, and the clamping device is fitted on the moving guide rail 7 and fixed on the synchronous belt 6. Band 6 is sleeved on the synchronous wheel 3, and the synchronous wheels on both sides are fixed on the same transmission shaft 1, and the transmission shaft 1 is equipped with a worm gear, and the worm meshed with the worm gear is connected on the motor shaft of the micromotor 5.

[0015] The clamping devices are arranged in pairs, one is a clamping device, which can be a simple clamping block; the other is a clamping adjustment device, which can be composed of screws and adjusting nuts connected to the well wire, with simple structure and convenient use and adjustment.

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Abstract

A wire moving mechanism for the climator of radioactive analog machine is composed of machine frame, wire clamps fixed to two synchronous belts surrounding on synchronous wheels fixed to a single drive axle, worm-gear unit arranged between said drive axle and miniature motor, and guide track for said wire clamps. It has high synchronizing performance.

Description

technical field [0001] The invention relates to an improved well line movement mechanism of a radiation simulator collimator, which belongs to the supporting mechanism of medical equipment. Background technique [0002] The existing wire movement mechanism of the collimator of the radiotherapy simulator is relatively complicated. The steel wire drives the clamp slider to move through many winding wheels through a certain winding method. There are many parts, and many bearings and windings are used. There are asynchronous defects in the well line movement, which affects the accuracy of well line positioning. And the well wire is made of a single tungsten wire. If the tungsten wire is not straight, it is difficult to adjust the tension, and it will also affect the accuracy of positioning. Contents of the invention [0003] The purpose of the present invention is to provide an improved radiation simulator collimator well line movement mechanism, which has a simple and compac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10A61N5/01A61N5/00G21K1/02
Inventor 刘春明闫治芳
Owner SHINVA MEDICAL INSTR CO LTD
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