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A digital upgrade device for a film-type panoramic dental X-ray machine

An X-ray machine and film technology, which is applied in dental radiodiagnosis, clinical application of radiodiagnosis, etc., can solve the problems of large radiation dose, small radiation dose, and complicated operation, and achieves fast imaging speed, cost saving, and wide exposure latitude. Effect

Active Publication Date: 2016-08-24
BEIJING UNIV OF TECH
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Problems solved by technology

The film cassette type X-ray panoramic machine is the most traditional imaging method. It consists of an intensifying screen, a photosensitive film and a cassette. It needs to go through the steps of developing, fixing, washing and drying to obtain images. The operation is complicated and has certain chemical pollution; The IP plate imaging X-ray panoramic machine is an indirect imaging method, which needs to scan the IP plate through a laser scanner to obtain a digital image. Although it does not need to be processed to improve efficiency, the operation is still complicated, time-consuming, and the radiation dose is large; digitalization The X-ray panoramic machine can directly convert the received X-rays into image data, without chemical processing in the darkroom, fast imaging speed, higher imaging resolution, and smaller radiation dose

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Embodiment Construction

[0017] The digital upgrade device of the film-type panoramic dental X-ray machine provided by the present invention includes a cassette speed scanning device, an X-ray detector based on TDI CCD, a video signal AD conversion and uploading device, a PC display platform and a power supply. The structural block diagram of the digital upgrade device of the film-type panoramic dental X-ray machine is as follows: figure 1 shown. Including five parts, the film cassette speed scanning device, using the grating ruler as the core to scan the moving speed of the film cassette; the X-ray detection device based on TDI CCD, mainly using CPLD internal programming to realize: processing the grating ruler transmission speed signal, CCD drive timing, etc.; The video signal AD conversion and uploading device mainly completes the analog-to-digital conversion of the signal and the transmission of the upper computer; the PC display realizes the image display and storage of the computer; the power su...

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Abstract

A digital upgrade device for film-type panoramic dental X-ray machines, belonging to the field of medical instrument digitization technology. It includes a film cassette speed scanning device, an X-ray detector based on TDI CCD, a video signal AD conversion and upload device, a PC display platform and a power supply. Use the cassette speed scanning device to scan the motion of the existing film-type panoramic dental X-ray machine, and then transmit the scanned speed signal to the TDI CCD-based X-ray detector, and the processed motion signal drives the sensor The internal charge transfer of the TDI CCD; the signal output by the X-ray detector enters the video signal AD conversion upload device for analog-to-digital conversion of the signal and transmits it to the PC platform. The PC platform stores and displays the analog-to-digital converted files. The digital upgrade device of the film-type panoramic dental X-ray machine provided by the present invention digitally upgrades the existing domestic film-type dental panoramic machine, which not only saves costs, but also can cooperate with the existing domestic film-type dental panoramic machine manufacturers to provide technology support.

Description

technical field [0001] The invention relates to a digital upgrading device of an X-ray machine, in particular to a digital upgrading device of a film type panoramic dental X-ray machine. Background technique [0002] Dental panoramic X-ray imaging equipment is widely used in hospital oral diagnosis and treatment. It can take pictures of the whole mouth of the human body and obtain tomographic images of teeth, periodontal tissues and their adjacent anatomical structures. According to different X-ray receivers, dental panoramic X-ray imaging equipment can be divided into film cassette type X-ray panoramic machine, IP plate imaging X-ray panoramic machine and charge-coupled device type X-ray panoramic machine. The film cassette type X-ray panoramic machine is the most traditional imaging method. It consists of an intensifying screen, a photosensitive film and a cassette. It needs to go through the steps of developing, fixing, washing and drying to obtain images. The operation i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/14A61B6/51
Inventor 刘有军陆建荣崔少飞赵夕梁洪
Owner BEIJING UNIV OF TECH
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