Na 125 I solution production device

A production device and solution technology, which is applied in the field of Na125I solution production devices, can solve the problems of many transfer links of radioactive materials, radioactive pollution target making devices, and large leakage of target materials, so as to reduce transfer links, avoid radiation dose, The effect of improving production efficiency

Inactive Publication Date: 2015-06-10
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Abstract
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Problems solved by technology

[0004] In order to overcome the Na in the prior art 125 The operating sites of the target making, target opening, xenon gas pouring, storage and cooling, distillation and concentration of the I solution production device are scattered and require a large operating space. There are many links for transferring radioactive materials between different processing sites, and the work efficiency is low. , the leakage of the target material is relatively large, and it is easy to cause radioactive contamination of the target device, personnel and the environment. The present invention provides a Na 125 I solution production device

Method used

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Embodiment 1

[0023] figure 1 is the Na of the present invention 125 The overall structural block diagram of the I solution production device, figure 2 It is a structural schematic diagram of the target opener in the present invention, image 3 It is a structural schematic diagram of the solder filling device in the present invention, Figure 4 It is a schematic structural view of an air-inverting tank in the present invention, Figure 5 It is a structural schematic diagram of the reactor in the present invention. exist Figure 1~Figure 5 In the present invention, Na 125 1 solution production device, comprises bench 1, pours gas tank 2, target opener 3, fills welding device 4, reactor 5, raw material tank 6, vacuum pump 7, pressure gauge 8, liquid nitrogen pump 9, and its connection relation is, The described gas tank 2, target opener 3, welding device 4, reactor 5, raw material tank 6, and vacuum pump 7 are all arranged on the platform 1 and fixedly connected with the platform 1, an...

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Abstract

The invention provides a Na 125 I solution production device. The device comprises a rack, a gas pouring tank, a targeting unit, a filling welding unit, a reactor, a raw material tank, a vacuum pump, a pressure gauge and a liquid nitrogen pump. The gas pouring tank, the targeting unit, the filling welding unit, the reactor, the raw material tank and the vacuum pump are all arranged on the rack and fixedly connected with the rack. The pressure gauge is connected with the gas pouring tank. The liquid nitrogen pump is connected with the targeting unit, the filling welding unit, the reactor and the raw material tank respectively. The device is provided with functions of targeting, target production, activation xenon cooling decay, Na 125 I solution concentration and the like, capable of producing high-concentration Na 125 I solutions and producing xenon recovered on line into targets to be reused, compact and small and convenient to operate.

Description

technical field [0001] The invention belongs to the technical field of radioisotope preparation, in particular to a Na 125 I solution production device. Background technique [0002] Seed sources, radioimmune drugs and isotope tracers made of radioactive iodine-125 are widely used in modern nuclear medicine clinical diagnosis and treatment, oil logging and other fields, which mainly use reactor irradiation 124 Xe production. At present, sodium iodide (Na 125 I) The solution mainly uses independent targets (concentrated 124 Xe target) irradiation production method, the brief process of the production is: the concentrated 124 Xe gas is injected into a quartz glass container or a metal container and sealed, placed in the reactor for 1-3 days of irradiation, the target is taken out and opened in a hot chamber, the irradiated xenon is transferred into a clean container, sealed and cooled for about 2 weeks, and then the xenon is irradiated recovery, and then add an appropri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21G1/00
CPCG21G1/00
Inventor 刘国平钟文彬陈静牟婉君刘飞余钱红张锐蹇源魏洪源陈琪萍何佳恒王关全李梅李兴亮吴川党宇峰
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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