X-ray blood irradiator

An X-ray and irradiator technology, applied in the field of X-ray blood irradiator, can solve problems such as difficult disposal of isotope waste, prolonged irradiation time, decay of isotope source, etc., and achieve prevention of blood transfusion-related graft-versus-host disease, Easy to install and use, good protection performance

Active Publication Date: 2015-01-28
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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Problems solved by technology

The γ-ray energy emitted by the isotope source is very high (the γ-ray energy of cesium-137 is 662keV, and Co-60 emits 2 γ-rays with energies of 1.17MeV and 1.33MeV respectively), which requires a lot of shielding and high-level protection; The isotope source

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  • X-ray blood irradiator
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Embodiment Construction

[0023] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and the embodiments.

[0024] Such as figure 1 As shown, the X-ray blood irradiator of the present invention mainly includes an X-ray tube 1, a high-voltage generator 5, a high-voltage cable 6, a rotating carrier plate 3, an X-ray shield 2, a wind-water cooler 4, and an industrial computer 9 , Touch screen 8, power filter 10 and power plug 11, X-ray tube 1 and rotating carrier plate 3 are located in the irradiation room surrounded by X-ray shielding cover 2, X-ray shielding cover 2 is made of sufficiently thick lead Reduce external radiation leakage and ensure the safety of operators.

[0025] The rotating carrier 3 is driven by a rotating shaft, and the rotating shaft can be driven by a motor shaft or indirectly driven by a motor shaft and a transmission gear. By controlling the speed of the motor, the speed of the rotating carrier is controlled. Such as image 3 As s...

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Abstract

The invention discloses an X-ray blood irradiator comprising an X-ray unit, a rotating carrier disc, an X-ray shielding case, an air-water cooler, a human-machine interface and an industrial personal computer. The X-ray unit comprises a metal ceramic X-ray tube, a high tension generator and a high-tension cable; the X-ray tube and the rotating carrier disc are disposed inside an irradiation chamber enclosed by the X-ray shielding case. A blood container is mounted on the rotating carrier disc. The rotating carrier disc is driven to rotate by a motor. A filter is added to a path of the X-ray emitted by the X-ray tube. Instead of radioisotopes, the X-ray unit is used as an irradiation source; the irradiator needs highly fewer shielding materials than a gamma-ray irradiator; the irradiator is small and portable and generates X-ray only when required; safety hazards are eliminated; the problem of disposal of nuclear waste is also avoided.

Description

Technical field [0001] The invention belongs to medical equipment, used for inactivating lymphocytes with immune activity in the blood, and specifically relates to an X-ray blood irradiator. Background technique [0002] The irradiation processing technology of blood (or blood products) has been widely used since the 1970s, especially for bone marrow transplant patients, leukemia patients or patients with weakened immune function. At present, most blood irradiators use radioisotope sources (such as commonly used cesium-137 and cobalt-60) to generate gamma rays, and selectively inactivate immunologically active lymphocytes in the blood by controlling the dose of radiation to prevent blood transfusion. The occurrence of graft-versus-host disease. The gamma-ray energy emitted by the isotope source is very high (the gamma-ray energy of cesium-137 is 662keV, and Co-60 emits 2 gamma-rays with energies of 1.17MeV and 1.33MeV respectively), which requires a lot of shielding and high-lev...

Claims

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Application Information

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IPC IPC(8): A61M1/02
CPCA61M1/0281
Inventor 范梅生郁朋刘敏袁刚张寅陈奭
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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