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Liver tissue biopsy localization method under mimics three-dimensional reconstruction guidance for abdominal CT (computed tomography)

A three-dimensional reconstruction, liver tissue technology, applied in the medical field, to reduce complications, avoid injury, and achieve accurate positioning

Pending Publication Date: 2017-11-03
SHANGHAI TONGJI HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no report on this liver biopsy positioning method.

Method used

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  • Liver tissue biopsy localization method under mimics three-dimensional reconstruction guidance for abdominal CT (computed tomography)
  • Liver tissue biopsy localization method under mimics three-dimensional reconstruction guidance for abdominal CT (computed tomography)
  • Liver tissue biopsy localization method under mimics three-dimensional reconstruction guidance for abdominal CT (computed tomography)

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Embodiment 1

[0047] In order to understand the entire technical solution more clearly, "coronal plane" and "horizontal plane" appear below, please refer to Figure 7 , Figure 7 Medical anatomy diagram for human body. Coronal plane: refers to the left-right direction, the longitudinal section that divides the human body into two parts, the front and back, and the section is perpendicular to the sagittal plane and the horizontal plane. Horizontal plane: also called transverse plane, is a plane parallel to the ground plane that divides the human body into upper and lower parts, and is perpendicular to the coronal and sagittal planes.

[0048] Please refer to figure 1 , figure 1It is a schematic flowchart of a liver tissue biopsy positioning method guided by three-dimensional reconstruction of mimics in abdominal CT of the present invention. A liver tissue biopsy positioning method guided by abdominal CT under the guidance of mimics three-dimensional reconstruction, the method comprises t...

Embodiment 2

[0064] Please refer to Figure 8 , Figure 8 It is a structural schematic diagram of a liver tissue biopsy positioning system guided by three-dimensional reconstruction of mimics in abdominal CT. A liver tissue biopsy positioning system guided by abdominal CT under the guidance of three-dimensional reconstruction of mimics, the positioning system includes a mimics module, a puncture point selection module, a puncture point marking module, a puncture point coronal position measurement module, a puncture needle length simulation module, and a puncture point A horizontal position measurement module and a positioning effect module; the mimics module is used to reconstruct the two-dimensional image data of the CT scan into a three-dimensional model; the described puncture point selection module is used to select the position of the puncture point on the three-dimensional model image; the The puncture point marking module is used to mark the puncture point on the three-dimensional ...

Embodiment 3

[0067] Please refer to Figure 9 , Figure 9 It is a structural schematic diagram of a puncture needle for liver tissue biopsy positioning system for abdominal CT under the guidance of mimics three-dimensional reconstruction of the present invention, a puncture needle for abdominal CT under the guidance of mimics three-dimensional reconstruction for liver tissue biopsy positioning system, the The puncture needle described above includes a needle tip 1, a needle shaft 3, and a needle handle 2; the needle handle 2 is provided with a scale 4, and the scale 4 marks a range of 6 cm, and the direction from the needle tip to the needle handle is from small to small. The large start marks the scale, and is provided with a protruding ring 5 at the 6cm scale position.

[0068] In this embodiment, the simulated puncture needle is used to mark the depth of puncture, but in the prior art, the depth of the simulated puncture needle is usually marked manually, and the positioning is not acc...

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Abstract

The invention relates to a liver tissue biopsy localization method under mimics three-dimensional reconstruction guidance for abdominal CT (computed tomography). The method includes the following steps: S1, utilizing mimics software to perform three-dimensional reconstruction on ribs in abdominal CT; S2, selecting a puncture point according to a three-dimensional model built in the step 1; S3, evaluating puncture effect on the CT horizontal plane, and measuring the coronal plane position of the puncture point; S4, measuring the horizontal plane position of the puncture point on the CT coronal plane with the aid of the inferior margin of angulus scapulae; S5, simulating labelling localization effect on the three-dimensional model diagram. The method has the advantages that the 3D model for the liver surrounding tissue is built by the aid of the mimics program, liver puncture is simulated in the computer, puncture effect is observed, surface skin localization parameters and puncture depth of liver puncture are calculated, liver puncture localization is performed on a human body according to the parameters, localization is accurate, simulative liver puncture is performed in the computer prior to liver puncture on the human body, relevant parameters are provided, success rate of liver puncture on the human body is increased, and complications are reduced.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a liver tissue biopsy positioning method under the guidance of three-dimensional reconstruction of mimics in abdominal CT. Background technique [0002] The purpose of liver biopsy is to obtain a small amount of tissue from the liver to further discover the cause of liver disease, assess the severity of the disease, and evaluate the efficacy of drugs on liver disease. Currently adopted liver puncture methods include jugular vein biopsy, laparoscopic biopsy, B-ultrasound-guided puncture, and CT-guided puncture. [0003] However, there are following defects and deficiencies about the liver puncture in the prior art: [0004] In the existing liver puncture, the puncture is performed directly during the operation, and the three-dimensional model of the liver cannot be simulated by computer before operation, so that it is convenient to observe the effect of the puncture and obtain r...

Claims

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Application Information

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IPC IPC(8): A61B34/10A61B10/02G06F19/00G06T17/00
CPCG06T17/00A61B10/02A61B34/10A61B2034/105A61B2034/108A61B2034/107A61B2034/102G06T2210/41
Inventor 宋维平杨长青
Owner SHANGHAI TONGJI HOSPITAL
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