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C-shaped arm imaging parameter calibration system and method

A technology of imaging parameters and calibration system, which is applied in the field of surgical navigation and C-arm parameters, can solve problems such as inflexibility, and achieve the effects of convenient and flexible use, avoiding excessive scattering, accurate surgical planning and positioning results

Pending Publication Date: 2022-04-29
上海精劢医疗科技有限公司
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  • Abstract
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Problems solved by technology

[0003] In the prior art, there are specific requirements for the scanning angle of the C-arm, which is not flexible in surgical application scenarios

Method used

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  • C-shaped arm imaging parameter calibration system and method
  • C-shaped arm imaging parameter calibration system and method
  • C-shaped arm imaging parameter calibration system and method

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Embodiment Construction

[0048]The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0049] An embodiment of the present invention provides a C-arm imaging parameter calibration system, referring to figure 1 and figure 2 As shown, the system includes: a glass panel 101, an alignment hole 102, a developing ball 103, an assembly locking hole 104, and a coordinate sensor assembly structure 105;

[0050] The developing balls 103 developed under X-rays are placed at specific intervals. The glass panel 101 includes an upper glass panel 101a and a lower glass panel 101b, and the developing ba...

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Abstract

The invention provides a C-shaped arm imaging parameter calibration system and method, and relates to the technical field of C-shaped arm parameters and surgical navigation.The C-shaped arm imaging parameter calibration system comprises a glass panel, an alignment hole, a small developing ball, an assembly locking hole and a coordinate sensor assembly structure; the small developing balls are fixed on the glass panel and are placed according to specific interval positions; the alignment hole is formed in the central position of the glass panel in a penetrating manner; the glass panel and the coordinate sensor assembly structure are tightly assembled; a sensor assembly is assembled through the coordinate sensor assembling structure and the assembling locking hole, and the space three-dimensional coordinate posture is recorded. According to the invention, the problem of unclear images caused by too bright scattering of metal development can be avoided while the development effect is achieved, and the development ball algorithm adopts a Hough transform circle detection algorithm, so that the method is more efficient and accurate.

Description

technical field [0001] The invention relates to the technical fields of C-arm parameters and surgical navigation, in particular to a C-arm imaging parameter calibration system and method. Background technique [0002] In image-guided surgical navigation techniques, registration is an essential process. The realization of surgical navigation technology relies on the spatial registration of corresponding points in the navigation space and image space. In the traditional surgical navigation space registration method, firstly, the device with special metal marking points is used for medical scanning imaging with the patient, and then through Select marker points in medical images by manual selection or automatic computer recognition, obtain the coordinates of these marker points in the medical image space, and then use the registration probe to obtain the coordinates of the above marker points in the navigation space, and finally pass the above two groups of markers The coordin...

Claims

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Application Information

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IPC IPC(8): A61B34/20G06T5/00G06T5/10G06T7/00G06T7/33
CPCA61B34/20G06T5/10G06T7/0012G06T7/33A61B2034/2065A61B2034/2051A61B2034/2055G06T2207/20061G06T5/80
Inventor 王涛袁钰欣
Owner 上海精劢医疗科技有限公司
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