<99>Mo production method and <99>Mo production equipment based on bremsstrahlung and photonuclear reaction bifunctional target

Abstract

The invention belongs to the field of medical radioactive diagnosis nuclides, and relates to a <99>Mo production method and <99>Mo production equipment based on a bremsstrahlung and photonuclear reaction bifunctional target. In the prior art, the introduction of a conversion target can cause the low bremsstrahlung efficiency of a method for producing <99>Mo by using electron beams. A purpose of the present invention is to solve the problem in the prior art. According to the present invention, a high-energy electron beam emitted from an electron accelerator directly bombards an integrated bremsstrahlung and photonuclear reaction <100>Mo target; the production equipment comprises an electron accelerator, a target box, a target plate arranged in the target box, and a cooling system, wherein the target plate is a bremsstrahlung and photonuclear reaction bifunctional target plate, the bremsstrahlung and photonuclear reaction bifunctional target plate is a <100>Mo target, the target box hasan opening for the entering of an electron beam, and the electron beam enters the target box and directly bombards the bremsstrahlung and photonuclear reaction bifunctional target to produce <99>Mo. According to the present invention, by using the <100>Mo integrated bremsstrahlung and photonuclear reaction target, the strong self-attenuation on the bremsstrahlung twice in the traditional conversion target methods of high atomic number tungsten (W) and the like can be well overcome so as to greatly improve the production efficiency of <99>mo.

Description

technical field [0001] The invention belongs to the field of medical radioactive diagnostic nuclides, in particular to a dual-functional target based on bremsstrahlung and photonuclear reaction 99 Mo production method and equipment. Background technique [0002] For more than 50 years, nuclear medicine imaging diagnostic techniques γ camera and SPECT have been widely used, and the radiopharmaceuticals used have also developed rapidly. 99m Tc is the most commonly used radiopharmaceutical in the diagnostic process of nuclear medicine imaging, usually using a molybdenum-technetium generator ( 99 Mo- 99m Tc, hereinafter referred to as the cow), using 99 Mo produced 99m Tc. [0003] contain 99m There are dozens of Tc drugs applicable to various human organs, mainly used for cardiovascular and cerebrovascular diseases such as myocardium, atrial thrombus, atherosclerosis, etc., and can also be used for tumors such as prostate cancer, lung cancer, breast cancer, head Neck can...

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Problems solved by technology

[0007] The purpose of the present invention is to provide a dual-functional target based on bremsstrahlung and photonuclear reaction 99 Mo production method and equipment, to solve the problem of introducing conversion target to make use of electron beam production 99 The problem of low bremsstrahlung efficiency of Mo method

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