CT scanning bed, control method thereof and CT scanning system
A technology of CT scanning and control methods, applied in the field of medical equipment, to achieve high real-time decision-making, good information synchronization, and improve the effect of real-time synchronization
Pending Publication Date: 2021-06-11
SHINVA MEDICAL INSTR CO LTD
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[0005] The purpose of this application is to provide a CT scanning bed, CT scanning system and CT scanning bed control method, using the high-speed stability of bus communication to solve the time delay problem caused by traditional pulse transmission and reception, and improve the CT scanning bed control synchronous real-time
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[0042] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0043] As an important part of CT, the CT scanning bed has real-time synchronization and accuracy of motion, which seriously affects the quality of CT images. The control of traditional CT scanning bed is generally pulse signal and direction level signal or analog speed signal or analog current signal. There are often more than a dozen single-axis wir...
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The invention provides a CT (Computed Tomography) scanning bed, a CT scanning system and a CT scanning bed control method. The CT scanning bed comprises an upper computer for sending command information and collecting feedback information; a CAN bus including a CANH cable and a CANL cable; a servo driver connected with the CAN bus and used for controlling a corresponding motor to move according to the command information read in real time; and position sampling equipment connected with the CAN bus and used for collecting feedback information of the position of the CT scanning bed and uploading the feedback information to the CAN bus in real time. When the motor moves, the CT scanning bed moves. According to the application, the command information is directly sent to the servo driver on the CANH cable and the CANL cable, and the feedback information of the servo driver is read from the CANH cable and the CANL cable, so that the command information and the feedback information can be inquired from the CAN bus in real time, the information synchronism is good, and the decision real-time performance is high.
Description
technical field [0001] The present application relates to the technical field of medical devices, in particular to a CT scanning bed, a control method thereof, and a CT scanning system. Background technique [0002] Medical CT (Computed Tomography, X-ray computed tomography) is one of the most commonly used conventional detection equipment in clinical medicine today. It has been widely used in many clinical medical fields such as disease detection, angiography, cardiac imaging, and interventional therapy. [0003] As an important part of CT, the CT scanning bed has real-time synchronization and accuracy of motion, which seriously affects the quality of CT images. The control of traditional CT scanning bed is generally pulse signal and direction level signal or analog speed signal or analog current signal. There are often more than a dozen single-axis wiring, and the cables are folded back and forth. The signal lines are easy to interfere with each other, or the load fluctuat...
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IPC IPC(8): A61B6/04A61B6/03
CPCA61B6/032A61B6/0407A61B6/548A61B6/56
Inventor 王学涛王笑宇李志勇董昌明
Owner SHINVA MEDICAL INSTR CO LTD