A kind of ct front collimator with adjustment mechanism
A technology of adjusting mechanism and front collimator, which is applied in computer tomography scanner, radiation generation arrangement, diaphragm for radiation diagnosis, etc. The effect of heavy weight and accurate adjustment of the direction of the tube
Active Publication Date: 2021-04-06
SAINUO WEISHENG SCI & TECH BEIJING
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Problems solved by technology
[0005] The main purpose of this application is to provide a CT front collimator with an adjustment mechanism, which solves the problems of heavy shell weight and high processing reject rate of the existing collimator on the market, and can realize the adjustment direction and adjustment accuracy of the ball tube quantifiable
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[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0025] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...
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This application discloses a CT front collimator with an adjustment mechanism, which includes a cuboid structure composed of a bottom plate, a cover plate, and a side plate. The upper surface of the bottom plate is provided with a bottom plate shielding layer. There is a shell shielding layer on the surface, and the upper surface of the base shielding layer is provided with a ball tube mounting plate, and one end of the ball tube mounting plate is provided with an X-direction adjustment mechanism and a Z-direction adjustment mechanism perpendicular to the X-direction adjustment mechanism , the other end of the tube mounting plate is provided with an X-direction guide mechanism and a Z-direction guide mechanism perpendicular to the X-direction guide mechanism. On the one hand, the present invention effectively solves the problems of large weight and high processing reject rate of the existing collimator shells on the market; on the other hand, the structure can realize accurate adjustment of the direction of the ball tube, and the adjustment accuracy can be quantified, which improves the adjustment efficiency. Precision and accuracy.
Description
technical field [0001] The present application relates to the technical field of CT collimators, in particular to a CT front collimator with an adjustment mechanism. Background technique [0002] The CT front collimator plays a very important role in the entire CT scanning system. The front collimator can initially filter out the low-energy rays and scattered rays emitted by the X-ray source (ball tube) that cannot penetrate the human body to achieve imaging functions. , and the size of the internal gate slit can be adjusted according to the imaging requirements to control the width of the wire beam to meet the thickness requirements of different clinical imaging slices, and the tube as the X-ray source is mainly placed above the front collimator, directly connected to the front collimator or indirectly assembled together. [0003] At present, the front collimator shells on the market are mostly composed of cast aluminum or cast steel. Taking cast aluminum as an example, be...
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IPC IPC(8): A61B6/06A61B6/03
CPCA61B6/035A61B6/06A61B6/40
Inventor 王君涛任敬轶
Owner SAINUO WEISHENG SCI & TECH BEIJING