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A method and system for liver tumor surgery based on triangular model

A liver tumor and surgical system technology, applied in the directions of surgery, 3D modeling, computer-aided planning/modeling, etc., can solve the problem of the lack of a planable approach in the resection of the upper lobe tumor, and achieve a highly operability. Effect

Active Publication Date: 2022-03-04
THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There is still a lack of a unified and planable approach for determining the resection range of tumors in the upper mid-hepatic lobe

Method used

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  • A method and system for liver tumor surgery based on triangular model
  • A method and system for liver tumor surgery based on triangular model
  • A method and system for liver tumor surgery based on triangular model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] combine figure 2 and image 3 , before the surgery, obtain the largest section of the liver tumor by CT scan imaging or MRI figure 1The acquisition module 2 acquires the largest section 1 of the liver tumor acquired by CT scan imaging or nuclear magnetic resonance imaging, and uploads it to the construction module 3, and the construction module 3 is used to project the largest section 1 of the liver tumor on the surface of the liver points and the deepest part of the tumor in the figure to construct a triangular model, such as image 3 ,details as follows:

[0058] The first selection unit 301 included in the construction module 3 selects the projection point of the largest section of the liver tumor on the liver surface, which is marked as point A;

[0059] The second selection unit 302 included in the construction module 3 selects the deepest part of the tumor in the largest cross-sectional view of the liver tumor, which is marked as point D;

[0060] The measure...

Embodiment 2

[0071] Taking a patient’s metastatic liver cancer as an example, the tumor is located in the ventral segment of S8, 2-3 cm away from the liver surface. The largest cross-sectional image of the liver tumor obtained by preoperative MRI is close to P8, and is 2-3 cm deep in the liver parenchyma. Find the largest cross-section 1 of the liver tumor obtained by MRI before operation, the acquisition unit 2 transmits the acquisition to the construction module 3, the first selection unit 301 determines the point A on the liver surface, the second selection unit 302 obtains the deepest part D of the tumor, and the measurement unit 303 Connect point A and point D and extend AD to point C, measure and obtain the AC distance obtained by the AC distance value is 5.6cm, wherein the incisal margin DC=1cm, input the surgical preset incision angle α=45° through the input device 6, the first determination The unit 401 calculates BC=7.9cm, and the second delineation unit 402 obtains AB=5.6cm, ther...

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Abstract

The invention discloses a method and system for liver tumor surgery based on a triangular model, which includes acquiring the largest cross-sectional view of the liver tumor; constructing a triangular model based on the projection point of the largest cross-section of the liver tumor on the liver surface and the deepest part of the tumor in the figure, through Calculate and determine the incision point on the liver surface, as well as the incision angle and incision length, and expand the liver section wide enough to the left and right from the incision point for surgical operation. The above scheme uses a triangular model to plan the surgical resection of liver tumors, and is especially suitable for the resection of tumors in the upper segment of the middle liver lobe. It does not require complicated equipment and is highly operable during surgery.

Description

technical field [0001] The invention relates to the field of surgery, in particular to a method and system for liver tumor surgery based on a triangular model. Background technique [0002] Liver surgery has ushered in the era of preoperative three-dimensional visualization planning and intraoperative fluorescence real-time navigation. These technologies have indeed improved the accuracy of our surgery and the radical cure in the oncological sense. However, due to the complexity of liver anatomy, these two techniques still have their limitations in the resection of tumors in the upper segment of the midhepatic lobe. In clinical practice, the three-dimensional visualization does not match the actual situation and the operation complexity of fluorescent staining. At the same time, expensive fluorescent surgical equipment It is difficult to promote and popularize the three-dimensional visualization technology in ordinary hospitals. [0003] The concept of tumors in the upper s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B34/10G06T7/00G06T7/13G06T17/00G06T7/70
CPCA61B34/10G06T7/13G06T7/0012G06T17/00A61B2034/105A61B2034/108G06T2207/10132G06T2207/10081G06T2207/30056G06T2207/30096
Inventor 范宁臧运金张丙良蔡金贞刘超辛洋杨超
Owner THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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