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CT motion interlocking calculation method

A calculation method and motion technology, applied in medical science, patient positioning for diagnosis, and equipment for radiological diagnosis, etc., can solve problems such as safety accidents, achieve the effect of avoiding safety accidents and obtaining easy operation

Active Publication Date: 2020-12-08
FMI MEDICAL SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are quite a lot of CT interlock setting parameters in the prior art. It is necessary to measure parameters such as the installation height of the hospital bed, the installation height of the rack, and the installation distance between the bed and the rack to calculate the interlock, and each parameter needs to be obtained by measuring with a ruler. When a parameter is set incorrectly, it may cause a security incident

Method used

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  • CT motion interlocking calculation method

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Experimental program
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Embodiment Construction

[0017] refer to figure 1 A specific implementation of a CT motion interlock calculation method of the present invention will be further described.

[0018] First, obtain the interlock parameters after the CT installation is completed, the steps are as follows:

[0019] a) Turn the DIP switch to the interlock parameter self-calibration mode,

[0020] b) Press the calibration button,

[0021] c) The motion control system drives the vertical part to move to the Home position, and then drives the horizontal part to move to the inside of the rack. After the movement is completed, the vertical motor of the hospital bed is driven down slowly until it hits the touch switch and stops automatically.

[0022] d) Record the height value at this time, which is the required interlock parameter (tablemin).

[0023] refer to figure 1 As shown, the CT motion interlock is mainly divided into three parts:

[0024] 1. Calculation of interlock value and switching of state machine: collect dat...

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Abstract

The invention discloses a CT motion interlocking calculation method. An interlocking formula is as follows: myTableMinThreshold = 0.22 * (gTiltAnge * gTiltAnge) - 1.22 * gTiltAnge + gTableMin + 50, and myTableMaxThreshold = - 0.12 * (gTiltAnge * gTiltAngle) - 1.22 * gTiltAngle + gTableMin + 250, wherein myTableMinThreshold is the minimum value of the height of a sickbed, gTiltAnge is the inclination angle of the sickbed, and gTableMin is a tested interlocking parameter. Interlocking calculation of the height and the inclination angle of the sickbed of the CT scanning equipment can be achievedthrough one interlocking parameter, the parameter is easy to obtain and operate, the interlocking calibration process can be completed by pressing down a key without tools such as a ruler, and safetyaccidents caused by introduction of personal errors can be avoided.

Description

technical field [0001] The present invention relates to the technical field of medical equipment, and more specifically relates to a CT motion interlock calculation method. Background technique [0002] With the development of medical imaging technology, CT scanning technology has gradually matured and its application has become increasingly widespread. The CT scanning table is used to cooperate with the scanning device to complete a full range of scanning. The scanning table has the function of moving up and down, forward and backward, etc. During use, the scanning table is adjusted according to different scanning positions to achieve a reasonable position. Therefore, in practice, the safety of CT movement is very important. In order to avoid the equipment from causing harm to the human body, it is necessary to set up CT interlocks to limit the mutual positions of the various components. There are quite a lot of CT interlock setting parameters in the prior art. It is neces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/04A61B6/03
CPCA61B6/0421A61B6/035
Inventor 刘日平李敏金帅炯陈修儒
Owner FMI MEDICAL SYST CO LTD