Control method, control system and control device of auto-exposure of C-arm X-ray machine

An X-ray machine and automatic exposure technology, applied in the field of medical equipment, can solve problems such as the inability to automatically adjust voltage kV parameters

Pending Publication Date: 2017-02-22
深海精密科技(深圳)有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0012] The disadvantage of the existing automatic exposure control technology is that it can only automatically adjust the two parameters of current mA and exposure time s, but cannot automatically adjust the voltage kV parameter. medium, fat, super fat) to indirectly determine the approximate range of voltage kV

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Embodiment Construction

[0124] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0125] The C-arm X-ray machine automatic exposure control method of the present invention specifically includes:

[0126] Step 210: an initialization step, wherein the hardware is initialized, and the voltage-related adjustment value and the current-related adjustment value are initialized;

[0127] Step 220: a voltage regulation step, wherein the voltage is updated and regulated;

[0128] Step 230: a step of current adjustment, wherein the current is updated and adjusted;

[0129] Step 240: Gain adjustment step: update and adjust the gain;

[0130] Step 250: Parameter output step: set and outpu...

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Abstract

The invention discloses a control method, a control system and a control device of auto-exposure of C-arm X-ray machines. The device collects images according to the setting exposure parameter, analyzes images, adjusts the exposure parameter and collects images again. Through such a rapid and continuous process of collection and adjustment, the control device of auto-exposure of C-arm X-ray machine realizes auto-exposure control, eases the burden of doctors and reduces the surgical risk by automatically outputting and locking the optimal exposure parameter in a short time. the control device of auto-exposure of C-arm X-ray machine also realizes consistency of the diagnostic images of different body parts of patients in different body sizes; in addition to meeting the diagnosis quality demand of images, the device also minimizes the radiation level of rays and reduces the radiation risk of doctors and patients.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an automatic exposure control method, system and device for a C-arm X-ray machine. Background technique [0002] In the medical field, X-rays are widely used in medical diagnosis, especially for non-invasive diagnosis of conditions inside a patient. [0003] X-rays can penetrate the human body to the imaging device and finally generate a diagnostic image. Different tissues in the human body have different absorption intensities on X-rays, so there will be differences in the number of X-rays that penetrate the human body and reach the imaging device. This difference can lead to diagnostic images. The difference in gray levels in the image can help doctors make a diagnosis. [0004] Excessive X-rays for a long time will cause harm to the human body, so the exposure dose of X-rays received by the human body must be strictly controlled during the medical diagnosis process. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00A61B6/10
CPCA61B6/00A61B6/10A61B6/40A61B6/44A61B6/4441A61B6/542
Inventor 吴元颜继永刘佳音
Owner 深海精密科技(深圳)有限公司
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