Device for connection rays source of X-ray apparatus and imaging system
An imaging system and X-ray machine technology, which is applied in the fields of radiological diagnosis instruments, medical science, diagnosis, etc., can solve the problems of difficult installation, insufficient field of vision, large bearing clearance, etc. Effect
Inactive Publication Date: 2008-07-30
NEUSOFT MEDICAL SYST CO LTD
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Problems solved by technology
[0002] The currently used digital remote diagnostic X-ray machine body has a large offset in the horizontal and vertical positions of the image, and the field of view is not wide enough.
Although there are no strict regulations on this data in each standard, it is not convenient for doctors to observe the image
The reason for the large offset is due to the accumulation of more structural gaps in the transmission chain where the radiation source is installed and the large deformation caused by the lack of rigidity of the system, which causes the radiation direction of the radiation source to occur in both horizontal and vertical positions. changed
The existing connection device between the X-ray source and the imaging system of the X-ray machine uses multiple axes to connect the X-ray source and the follow-up arm at the rear, and gears are used to drive between the tools, resulting in a complex structure and a large cumulative gap; the rotating parts are all made of Deep groove ball bearings have a large bearing gap and cannot improve the rigidity of the system; the connection structure between the shaft and the follower arm is a key or pin, which has a gap and is not easy to install; the traditional two rolling linear guides are used between the column and the zoom. It is beneficial to reduce the gap and cannot improve the rigidity of the system; there is no structure to eliminate the gap in the whole device, making it inconvenient to install and weakening the rigidity of the system
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[0013] Example: such as figure 1 As shown, the present invention includes a follower arm 1, a cantilever 4, a zoom 12, a column 11, and a radiation source connection structure. A shaft 3 is installed in the cantilever 4 between the ray source 19 and the follower arm 1, and the shaft 3 has two The end extends to the outside of the cantilever 4, one end of the shaft 3 is connected with the follower arm 1, and the other end is connected with the connection structure of the radiation source; the connection structure of the radiation source and the cantilever 4 are respectively connected to the shaft 3 in rotation, and the rotation connection adopts a tapered roller bearing Gap adjustment structure 2 is realized; one end of the zoom 12 is vertically connected with the cantilever 4, and the connection method in this embodiment is welding, and the zoom 12 and the column 11 are slidably connected on three sides by three rolling linear guide rail pairs 13, as figure 2 As shown, this c...
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A coupling device between the X-ray source of X-ray machine and the imaging system is composed of a following arm, a cantilever, a vertical column, a varifocal unit, and a ray source coupling unit. Said varifocal unit has one end connected via rolling guide track to the vertical column in slide mode and another end connected to the cantilever. Said cantilever has an internal axle with one extended end connected to the following arm and another extended end linked with said ray source coupling unit.
Description
technical field [0001] The invention relates to a connection device between a radiation source of an X-ray machine and an image system. Background technique [0002] The currently used digital remote diagnostic X-ray machine body has a large offset in the horizontal and vertical positions of the image, and the field of view is not wide enough. Although there are no strict regulations on this data in each standard, it is not convenient for doctors to observe the image. The reason for the large offset is due to the accumulation of more structural gaps in the transmission chain where the radiation source is installed and the large deformation caused by the lack of rigidity of the system, which causes the radiation direction of the radiation source to occur in both horizontal and vertical positions. changed. The existing connection device between the X-ray source and the imaging system of the X-ray machine uses multiple axes to connect the X-ray source and the follow-up arm at...
Claims
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IPC IPC(8): A61B6/00
Inventor 宋关忱周云龙张华威王宏毅
Owner NEUSOFT MEDICAL SYST CO LTD