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Method for digitally simulating pre-bending of fracture steel plate

A pre-bending, steel plate technology, applied in the medical field, can solve the problems of prolonging operation time, injury, blood loss, etc.

Inactive Publication Date: 2016-12-07
SHENZHEN ZHIHUISHIFANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a pre-bending method of digitally simulating the fracture steel plate before surgery, aiming at solving the need to fully expose the fracture site in traditional surgery, and after the reduction is completed, the internal fixation steel plate is molded during the operation, which prolongs the operation time. time, causing unnecessary injury and blood loss problems

Method used

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  • Method for digitally simulating pre-bending of fracture steel plate

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Embodiment 1

[0041] like figure 1 As shown, the present invention provides a method for digitally simulating the pre-bending of a fracture steel plate, comprising the following steps:

[0042] S1. Obtain an image of the fracture site;

[0043] S2, building a three-dimensional model of the broken bone;

[0044] S3. Pre-register the axis of the broken bone;

[0045] S4. Segment and register the cross-section of the broken bone;

[0046] S5, fitting the shape of the pre-bending, and measuring its parameters;

[0047] S6. Provide a pre-operation reference data according to its parameters.

[0048] This method constructs a three-dimensional image by acquiring images of the fracture site, and then pre-registers the fracture site according to the three-dimensional image, and then accurately registers the cross-section of the broken bone, and drives the registration of the two broken bones, and finally according to the bone model The pre-bending state of the steel plate is fitted by the contr...

Embodiment 2

[0062] In this embodiment, the step S3 includes:

[0063] S31. Extract the axes of the two broken bones for spatial registration;

[0064] S32. Drive the three-dimensional models of the two broken bones to perform pre-registration according to the axes.

[0065] Include the following steps in described S31:

[0066] S311. Extract the axes of the two broken bones;

[0067] S312. Perform a registration operation on the two axes, and simultaneously drive the two broken bones to change their spatial positions, so as to realize pre-registration.

[0068] Because the most basic thing in human organ surgery is accuracy. For fracture surgery, it is required that the broken bones can be spliced ​​together accurately. Because the direct registration method requires a lot of iterative calculations and consumes a lot of time, it is necessary to use coarse The method of combining registration and precise registration realizes the registration of broken bones, and the method of pre-regis...

Embodiment 3

[0071] In this embodiment, the step S4 includes:

[0072] S41. Obtain cross-sections of two broken bones for registration;

[0073] S42. Driving two broken bones to perform model registration.

[0074] Wherein, the step S41 includes:

[0075] S411. Extract feature points of the characteristic fractured bone section;

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Abstract

The invention discloses a method for digitally simulating the pre-bending of a fracture steel plate, comprising the following steps: S1, obtaining an image of the fracture site; S2, establishing a three-dimensional model of the fracture site; S3, pre-registering the axis of the fracture; S4, Segmentation of broken bone sections for registration; S5, fitting a pre-bent shape; S6, providing a pre-operation reference data according to its parameters. Measure its parameters. The present invention provides a pre-bending method for digitally simulating the fracture steel plate before operation, aiming at solving the problem that the traditional operation needs to fully expose the fracture site. Necessary for injury and blood loss issues.

Description

technical field [0001] The invention relates to the field of medicine, in particular to a method for digitally simulating the pre-bending of fracture steel plates. Background technique [0002] At present, the incidence of fracture is very high, and anatomical bone plate is widely used in its internal fixation treatment. At present, the treatment and prevention of fractures mainly adopts the combination of artificial reduction and internal fixation of the injured limb, that is, the artificial first segment is used to restore the anatomical shape of the broken bone to a healthy state, and then the two broken bones are fixed with medical screws and plate ginger. . During the operation, the doctor cut open the muscles and other tissues of the patient's fracture site to leak out the broken bone, and then manually bent the steel plate according to the bone properties after manual reset. During the bending process, the doctor needs to repeatedly process the steel plate and compa...

Claims

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Application Information

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IPC IPC(8): A61B34/10A61B17/80
CPCA61B17/80
Inventor 张秋元
Owner SHENZHEN ZHIHUISHIFANG TECH
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