Characteristic parameter based bone fracture plate serial design method

A technology of characteristic parameters and design methods, applied in special data processing applications, calculations, electrical digital data processing, etc., can solve problems such as unsatisfactory fit between the bone plate fitting surface and the traumatic bone surface, and large differences in fracture locations. Achieve the effect of improving design efficiency and operation quality

Active Publication Date: 2016-03-23
HOHAI UNIV CHANGZHOU
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Problems solved by technology

At the same time, the surface of the bone presents a complex curved surface, and the fracture location varies greatly. Even if the manufacturer of the bone plate

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  • Characteristic parameter based bone fracture plate serial design method
  • Characteristic parameter based bone fracture plate serial design method
  • Characteristic parameter based bone fracture plate serial design method

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Embodiment Construction

[0050] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0051] Such as figure 1 As shown, a serial design method of bone plate based on characteristic parameters includes the following steps:

[0052] Step 1: Parameterization of the skeleton model;

[0053] Construct a bone surface model based on the averaged point cloud model containing statistical information, and perform parameter representation on it to generate a bone feature model;

[0054] Step 1a: Definition of bone surface features;

[0055] According to the anatomical function and surface shape of the local area of ​​the bone, the surface features of the bone are divided. Such as figure 2 As shown, the radial surface features can be divided into: radial head, radial neck, radial tuberosity, radial body and distal radius;

[0056] Step 1b: Establishment of bone feature model;

[0057] A set of intra-feature and inter-feature pa...

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Abstract

The invention discloses a characteristic parameter based bone fracture plate serial design method. The method is characterized by comprising a first step of parameterizing a bone model; a second step of parameterizing a fitting surface of a bone fracture plate; and a third step of establishing a mapping relation between a bone characteristic model and the characteristic of the fitting surface of the bone fracture plate so as to generate a series of fitting surfaces of the bone fracture plate according to bone models of different parameters. In the first step, a bone curved surface model is established based on an average point cloud model including statistic information, and parametric representation is performed on the bone curved surface model so as to generate the bone characteristic model. In the second step, the fitting surface of the bone fracture plate is reconstructed with a characteristic line as the center, and parameter configuration is performed on the fitting surface of the bone fracture plate so as to generate the characteristic of the fitting surface. According to the method, multiple types of serial bone fracture plates suitable for bones of patients can be rapidly designed, number of times of adjusting of the bone fracture plate in operation is reduced, and the method has significance for improvement of quality and efficiency of the bone fracture plate design.

Description

technical field [0001] The invention relates to a digital orthopedics technology, in particular to a serial design method of bone plates based on characteristic parameters, and belongs to the field of computer-aided design. Background technique [0002] The formation of the concept of digital orthopedics has made the bone plate a common tool for clinical treatment of bone fractures and lesions. The bone plate must conform to the surface of the affected bone and maintain a certain topological structure, so its design is an important part of orthopedic computer-aided design. [0003] There are many types of human bones, and the same bone has differences in age, gender, and region. Considering the time-consuming, expensive and other restrictive factors of personalized design, the manufacturer mass-produces a series of bone plates of various types in advance for doctors to choose and use. However, due to historical reasons and technical limitations, domestic manufacturers of b...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/13
Inventor 王淋何坤金陈正鸣邹泽宇
Owner HOHAI UNIV CHANGZHOU
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