Nuclear medical X-ray machine

Abstract

The invention belongs to the technical field of medical apparatus and instruments, in particular to a nuclear medical X-ray machine. The nuclear medical X-ray machine comprises a support, a 238Pu low-energy photon source, a 241Am low-energy photon source, an anti-scattering screen, a shielding protection plate, a photographic film holder, an examination bed, a programmable control type operating table, a storage battery pack, a DC low-voltage power supply and the like, wherein the two low-energy photon sources are complementary. The nuclear medical X-ray machine provides marking X-ray or single-color X-ray radiation rather than the continuous X-ray spectrum of bremsstrahlung of the traditional X-ray machine to diagnose human organs, and the nuclear medical X-ray machine can form a high-contrast sharp image on a photographic film. The invention overcomes the defect that the dose commitment of examinees and X-ray workers is aggravated because the traditional X-ray machine and the CT (Computed Tomography) machine have diagnosis radiation and scattering radiation on non-examined human organs and can save about 90% of electric energy. The invention has the advantages of clear imaging, low energy consumption, safety, small size, light weight and the like.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a nuclear energy medical X-ray machine. Background technique [0002] Now, the governments of all countries in the world and the WHO of the United Nations attach great importance to the dose burden of the diagnostic exposure of X-ray machines on the subjects, the public and X-ray workers. The Chinese government also promulgated the "Basic Standards for Ionizing Radiation Protection and Radiation Source Safety" GB18871-2002, which was implemented nationwide on April 1, 2003. These standards require X-ray workers to use X-ray diagnostic exposure to provide medical services for the subjects, and at the same time reduce the dose burden of the subjects, the public and the X-ray workers themselves as much as possible, and prevent harmful deterministic biological effects Generated, the generation rate of random effects is limited to an acceptable level compared with...

AI Technical Summary

Problems solved by technology

Although the Z of the three human organs of bones, flesh and fat, ef However, the wavelength λ of the bremsstrahlung diagnostic radiation emitted by the X-ray tube of the X-ray machine is always changing, so that the ratio of the three absorption coefficients is not constant, resulting in low contrast of the photographic film

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