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Human body hip modeling and simulation method based on muscle groups

A simulation method and hip technology, which is applied in the field of human hip modeling and simulation based on muscle groups, can solve the problem that the human hip model cannot take into account the detailed human body structure and finite element simulation calculation, so as to save time , save costs, improve efficiency

Inactive Publication Date: 2018-07-27
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose a human hip modeling and simulation method based on muscle groups in order to solve the problem that the existing human hip model cannot take into account the detailed human body structure and finite element simulation calculation

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  • Human body hip modeling and simulation method based on muscle groups
  • Human body hip modeling and simulation method based on muscle groups
  • Human body hip modeling and simulation method based on muscle groups

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specific Embodiment approach 1

[0039] Specific embodiment one: a kind of muscle group-based human hip modeling and simulation method in this embodiment is specifically carried out according to the following steps:

[0040] Step 1, human hip image data acquisition;

[0041] Step 2. On the basis of human hip image data acquisition, perform geometric modeling of human hip, including hip bone (cortical bone and cancellous bone), femur (cortical bone and cancellous bone), articular cartilage, and sartorius muscle , quadriceps, biceps femoris, semitendinosus, semimembranosus, gracilis, phalanges, adductor longus, adductor brevis, adductor magnus, gluteus maximus, gluteus medius, gluteus minimus, Geometric 3D reconstruction of the entire hip;

[0042] Step 3. Based on the geometric model of the human hip, establish a muscle group model, perform model assembly on the hip bone, femur, articular cartilage, muscle group, and the entire hip, establish fat and skin models, and add tendons;

[0043] Step 4. On the basi...

specific Embodiment approach 2

[0046] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the human body hip image data acquisition in the step one; the specific process is:

[0047]The image data comes from a member of the laboratory, female, 26 years old, height: 170cm, weight: 62kg, in good health, with no history of lower limb fractures or muscle injuries. CT data were collected at the 211th Hospital of the Chinese People's Liberation Army, and MRI data were collected at the First Affiliated Hospital of Harbin Medical University. CT image scanning parameters: axial continuous tomography, voltage 140.0KV, current 180mA, slice thickness 1mm, matrix 512×512, field of view FOV 18cm, a total of 700 images were collected. MRI image scanning parameters: axial scan, T2-weighted spin echo sequence, repetition time (TR) 566.7ms, echo time (TE) 10.6ms, matrix 512×512, slice thickness 3mm, field of view (FOV) 17cm, total acquisition 182 images. CT image data is mainly u...

specific Embodiment approach 3

[0049] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: in said step two, on the basis of human hip image data acquisition, carry out the geometric modeling of human hip, including hip bone (cortical bone and cancellous bone), femur (cortical bone and cancellous bone), articular cartilage, sartorius, quadriceps, biceps femoris, semitendinosus, semimembranosus, gracilis, phalanges, adductor longus , adductor brevis, adductor magnus, gluteus maximus, gluteus medius, gluteus minimus, and the geometric three-dimensional reconstruction of the entire hip; the specific process is:

[0050] The image data is used to generate 3D geometric models of bone tissue (femur and hip) and soft tissue. First, image segmentation is performed on medical images, and image segmentation is performed in three steps: threshold segmentation, region growth, and mask editing;

[0051] The separation of target tissues by selecting different gray valu...

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Abstract

The invention provides a human body body hip modeling and simulation method based on muscle groups, and relates to the human body hip modeling and simulation method based on the muscle groups. The object of the method is to solve the problem that existing human hip models cannot take into account refined human body structures and finite element simulation implementing, and the human body hip modeling and simulation method based on the muscle groups is provided. The method comprises the steps of first, acquiring human hip image data; second, conducting geometric modeling on human hip, which includes geometric three-dimensional reconstruction of hip bone (cortical bone and cancellous bone), thigh bone (cortical bone and cancellous bone), articular cartilage, sartorius muscle, musculi quadriceps femoris, biceps femoris, semitendinosus, semimembranosus, gracilis, phalanges, long adductors, short adductors, adductor muscles, gluteus maximus, gluteus medius, gluteus maximus and entire hip; third, establishing muscle group models, conducting model assembly on the hip bone, the thigh bone, the articular cartilage, the muscle groups and the whole hip, establishing a fat and skin model, andadding tendon; fourth, determining meshing parameters, determining inter-tissue contact relationship, and implementing the meshing of the geometric models; fifth, attaching materials to the structureof each part of the human hip model, and determining the material parameters; sixth, achieving mechanical simulation of the human hip model. The method is used in the field of biomedical engineering.

Description

technical field [0001] The invention relates to a human hip modeling and simulation method based on muscle groups. Background technique [0002] Due to the importance and vulnerability of the human hip, the research on the human hip is becoming more and more important. The traditional approach in human hip research such as surgical training on the human hip, research on thigh prosthetic sockets, and car crash studies on the human hip is to use cadavers or models for testing. However, due to the limited number of corpses and the non-repeatability of the use of corpses, the above-mentioned training and research opportunities are few, the cost is high, and the cycle is long. At the same time, due to the differences in the biomechanical properties of human tissues in cadavers and living bodies, there are inevitably differences between the research results obtained through the study of cadavers and the actual situation. With the development of software technology and hardware t...

Claims

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Application Information

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IPC IPC(8): G06F19/00G09B23/28
CPCG09B23/28
Inventor 王沫楠
Owner HARBIN UNIV OF SCI & TECH
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