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Gamma ray radiation device

A radiation device and gamma ray technology, applied in the field of gamma ray radiation devices, can solve the problems of collimator specifications, quantity cannot be added, radiation device is large in size, difficult to install and replace, etc., so as to achieve easy automatic replacement and protect the human body Safe and easy to transport

Inactive Publication Date: 2005-01-26
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] The radiation source of the existing gamma ray radiation device is distributed on the spherical surface with a certain latitude and longitude, or is spirally distributed in a certain area on the spherical surface, or is arranged and distributed along a certain section of the circumference. The radiation device is very large in size and heavy in weight. The total weight of the shielding system is more than 8 tons; the secondary collimator is integrated with the radiation device, and the specifications and quantity of the collimator cannot be added; or the secondary collimator is in the shape of a helmet, and the installation and replacement work is quite difficult

Method used

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Embodiment Construction

[0023] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 As shown, a gamma ray radiation device includes:

[0024] 1) The top of the box body 1 is sequentially equipped with an inner shielding block 3, a hollow U-shaped side shielding block 2, a radioactive source clip 4 with a radioactive source assembly 5 inside the side shielding block 2, and a primary collimator 6 and 22 radiation source components distributed in a fan shape are housed in the holes of the radiation source clamp 4 at equal intervals, and the left and right rotation shafts 21 and right rotation shafts 21 and right rotation shafts 21 are respectively installed on the left and right sides of the box body 1 from the center of gravity coaxial place. Rotating shaft 22, box cover 10 is housed on box body 1;

[0025] 2) The outer shield block 9 is installed on the case cover 10, and the left side below the case cover 10 is provided with a motor 20, a pulley 18, and the motor 20 and t...

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Abstract

A gamma ray radiation device is disclosed. In the cabinet, an internal shielding block, a side shielding block, a radiation source clamp, an primary alignment part are provided. An outer shielding block with a secondary alignment device and a motor are installed on the cabinet cover. The lead screw of the motor drive transfer mechanism can enable the source switch to parallelly slide along the guiding rail for opening and closing the channels of primary alignment device and secondary alignment device. A safety bump proof unit is installed on the side of the beam outlet of the device, which can automatically close the ray channel and cut off equipment electricity source when being bumped by the patients to ensure the patients safety. The invention is an isolated structure, having small volume and small weight, being convenient for disassembled from the main engine block. The invention adopts a comparative light secondary alignment device to realize automatic changing, while the primary alignment part, outer shielding block and cabinet cover is assembled into a integral body, can be disassembled once to change to radiation source assembly.

Description

Technical field [0001] The invention relates to a gamma ray radiation device. Background technique [0002] The radiation source of the existing gamma ray radiation device is distributed on the spherical surface with a certain latitude and longitude, or is spirally distributed in a certain area on the spherical surface, or is arranged and distributed along a certain section of the circumference. The radiation device is very large in size and heavy in weight. The total weight of the shielding system is more than 8 tons; the secondary collimator is integrated with the radiation device, and the specifications and quantity of the collimator cannot be added; or the secondary collimator is in the shape of a helmet, and the installation and replacement work is quite difficult. Contents of the invention [0003] The object of the present invention is to provide a gamma ray radiation device with an independent structure, convenient assembly and disassembly with the host, and easy g...

Claims

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Application Information

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IPC IPC(8): A61N5/10
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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