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1. (CN104462636) Modeling method of necrosis caput femoris restoring model based on umbrella-shaped caput femoris supporter

Office : Chine
Numéro de la demande : 201410521349.X Date de la demande : 30.09.2014
Numéro de publication : 104462636 Date de publication : 25.03.2015
Type de publication : A
CIB :
G06F 17/50
G06T 17/00
G PHYSIQUE
06
CALCUL; COMPTAGE
F
TRAITEMENT ÉLECTRIQUE DE DONNÉES NUMÉRIQUES
17
Equipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des fonctions spécifiques
50
Conception assistée par ordinateur
G PHYSIQUE
06
CALCUL; COMPTAGE
T
TRAITEMENT OU GÉNÉRATION DE DONNÉES D'IMAGE, EN GÉNÉRAL
17
Modélisation tridimensionnelle [3D] pour infographie
Déposants : XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Inventeurs : GONG XIAOYAN
WU ZHE
DU DONGPENG
XUE HE
XING JUAN
Mandataires : tan wenyan
Données relatives à la priorité :
Titre : (EN) Modeling method of necrosis caput femoris restoring model based on umbrella-shaped caput femoris supporter
(ZH) 基于伞状股骨头支撑器的坏死股骨头修复模型的建模方法
Abrégé : front page image
(EN) The invention discloses a modeling method of a necrosis caput femoris restoring model based on an umbrella-shaped caput femoris supporter. The modeling method comprises the steps that firstly, a three-dimensional model of a to-be-restored caput femoris is obtained, wherein the NURBS curved surface model of the to-be-restored caput femoris is obtained, the to-be-restored caput femoris is a caput femoris which exists in the thigh tissue necrosis area and is pre-restored by the caput femoris supporter, and the caput femoris supporter is composed of an umbrella-shaped supporter body and a supporting sleeve; secondly, the necrosis area needing to be separated is determined according to the shape of the umbrella-shaped supporter body, and a necrosis caput femoris model is established; thirdly, a caput femoris supporter model is established; fourthly, a necrosis caput femoris implantation model is established, wherein the necrosis caput femoris implantation model with an implantation channel and a three-dimensional model of an implanted bone are established; fifthly, the necrosis caput femoris restoring model is established. The modeling method is simple in step, reasonable in design, convenient to achieve and good in using effect, the restoring model of the caput femoris supporter implanted into the necrosis caput femoris can be easily, conveniently and quickly established, and the quality of the established restoring model is high.
(ZH)

本发明公开了一种基于伞状股骨头支撑器的坏死股骨头修复模型的建模方法,包括步骤:一、待修复股骨头的三维模型获取:获取待修复股骨头NURBS曲面模型,待修复股骨头为存在股组织坏死区域且预采用股骨头支撑器修复的股骨头;股骨头支撑器由伞状支撑器和支撑套筒组成;二、根据伞状支撑器形状,确定需分离坏死区域,建立坏死股骨头模型;三、股骨头支撑器模型建立;四、坏死股骨头植入模型建立:建立带植入通道的坏死股骨头植入模型和植入骨的三维模型;五、坏死股骨头修复模型建立。本发明方法步骤简单、设计合理且实现方便、使用效果好,能简便、快速建立股骨头支撑器植入坏死股骨头的修复模型,且所建立的修复模型质量高。