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Rotary closing type gamma ray radiator

A radiation device and gamma ray technology, which is applied in the field of rotary closed gamma ray radiation device, can solve the problems that the radiation device cannot flexibly complete the synthesis movement, it is inconvenient to disassemble and replace the radiation source, and the radiation device has a complicated structure, and achieves Light weight, small size, shielding and reliable effect

Inactive Publication Date: 2005-03-02
杭州华源伽玛医疗设备投资有限公司
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Problems solved by technology

[0002] In order to prevent the leakage of radiation, the gamma ray radiation device must have moving parts to block the ray passage in the non-treatment state, which will inevitably result in a complex structure and a large volume of the radiation device
As a result, the radiation device cannot flexibly complete some complex synthetic movements, and it is not convenient to easily disassemble and assemble from the host, and perform the work of replacing the radiation source

Method used

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  • Rotary closing type gamma ray radiator
  • Rotary closing type gamma ray radiator

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with drawings and embodiments.

[0015] Such as figure 1 , figure 2 As shown, the present invention includes: the small bearing 14 and the large bearing 7 on both sides of the box wall in the casing 1 are respectively supported with a stepped rotating shaft 4, and the small bearing 14 and the large bearing 7 are respectively covered with a bearing dust cover Plates 15, 9, the long cylinder of the rotating shaft 4 is provided with a rectangular groove in the direction of the upper axis, the rectangular groove is equipped with a source clip 5, and the source clip 5 is equipped with a source body 6 arranged in a straight line with a fan-shaped distribution of the center line and focused on one point, The shaft sleeve 3 is inserted outside the long cylinder of the rotating shaft 4, the box cover 10 is installed on the box body 1, the main shielding block 2 and the auxiliary shielding block 11 are install...

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Abstract

The rotary closing gamma ray radiator has casing, stepped rotating shaft borne on two sides of the casing and with axial slot, source holder inside the axial slot to hold sources arranged linearly and focused in one point, main shielding block and subsidiary shielding block outside the rotating shaft and shaft sleeve, collimator on the subsidiary shielding block, locating rod set in one end of the rotating shaft, and locating rod limiting switch on the casing. The present invention may be assembled to and disassembled from the system easily; adopts high density W-95 and U-238 as main shielding material; and motor drives rotating shaft to close radiative source in reliable shielding.

Description

technical field [0001] The invention relates to a rotary closed gamma ray radiation device. Background technique [0002] In order to prevent the leakage of radiation, the gamma ray radiation device must have moving parts to block the ray passage in the non-treatment state, which will inevitably result in a complex structure and a large volume of the radiation device. As a result, the radiation device cannot flexibly complete some complex synthetic movements, and is inconvenient to easily disassemble and replace the radioactive source from the host. Contents of the invention [0003] The object of the present invention is to provide a rotary closed gamma ray radiation device, which not only has a simple structure and is easy to control, but also has reliable shielding and can effectively prevent leakage of radiation. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] A stepped rotating shaft is supported on both ...

Claims

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Application Information

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IPC IPC(8): A61N5/10G21K5/04
Inventor 沈洪张千护
Owner 杭州华源伽玛医疗设备投资有限公司
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