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Tissue identification method and system for assisting operation

An identification method and tissue technology, applied in the field of surgical assistance, can solve problems such as deformation of lesion tissue, incomplete lesion resection and removal, and no longer accurate registration, so as to achieve the effect of clearing the lesion

Active Publication Date: 2021-10-01
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the actual operation process, especially when the lesion is operated or removed, the lesion tissue will inevitably be deformed; the preoperative registration will no longer be accurate, and there may be incomplete removal of the lesion during resection

Method used

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  • Tissue identification method and system for assisting operation
  • Tissue identification method and system for assisting operation
  • Tissue identification method and system for assisting operation

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Embodiment Construction

[0083] Method steps of the present invention are as figure 1 As shown, an example is provided in this section:

[0084] In order to solve the problems in the prior art, the tissue identification method for assisted surgery described in this embodiment specifically includes the following steps:

[0085] 1. Device positioning:

[0086] (1) Feature extraction

[0087] Generally, the effective processing of images in the color space is carried out in the HSV space, and then a range is given for the corresponding HSV components in the basic color, and the red HSV components can be obtained and set through experiments; in the actual scene, it can be set to green, which is consistent with the experiment Color distinctions where scenes appear, such as blood. Read the picture, use the binocular camera for image acquisition, convert the image from RGB space to HSV space, and extract red pixels according to the set HSV value. Perform morphological expansion on the image to fill the h...

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Abstract

In order to overcome the defects in the prior art, the tissue identification method and system for assisting the operation comprise the steps: collecting an image of a target area, obtaining a mark point of an image collecting device according to the image, and conducting tip positioning on a surgical instrument according to the mark point; tracking the tip of the surgical instrument by using the mark point, and obtaining a three-dimensional space coordinate of the tip position; performing tissue identification on the target area by using a tissue identification device to form an identification result; combining the tissue identification result with the three-dimensional positioning information of the tip of the surgical instrument, and projecting the identification result to the tip of the surgical instrument by using points with different colors. According to the method, besides real-time tracking and positioning of the surgical instrument, the bioelectrical impedance technology can be combined and integrated in the surgical instrument, rapid diagnosis can be conducted before an operation, lesion and healthy tissue can be distinguished during the operation, and effective assistance is provided for doctors in combination with the augmented reality technology.

Description

technical field [0001] The invention relates to the technical field of surgical assistance, in particular to a tissue identification method and system for assisting surgery, a system and an electronic device thereof. Background technique [0002] In the field of medicine, computer-assisted surgery, including surgical navigation systems, has been widely used in clinical practice. The surgical navigation system can register the patient's preoperative or intraoperative image data with the patient's lesion anatomy during the operation, track and locate the surgical instrument in real time during the operation, and display the position of the instrument in real time in the form of a virtual probe. [0003] However, in the actual operation process, especially when the lesion is operated or removed, the lesion tissue will inevitably be deformed; the preoperative registration will no longer be accurate, and there may be incomplete removal of the lesion during resection. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B34/20A61B34/10A61B5/0538
CPCA61B34/20A61B34/10A61B5/0538A61B2034/2065A61B2034/2072A61B2034/107A61B2034/108
Inventor 滕潇何敏周亮郭靖蔡述庭熊晓明刘远
Owner GUANGDONG UNIV OF TECH