Finite Element Model Development Of The Human Lumbar Spine And Dynamic Stabilization Device Analysis PDF Download

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A Three Dimensional Finite Element Model to Study the Biomechanical and Kinematic Characteristics of the Human Lumbar Spine in Flexion

A Three Dimensional Finite Element Model to Study the Biomechanical and Kinematic Characteristics of the Human Lumbar Spine in Flexion
Author: Dhruv Jitesh Mehta
Publisher:
Total Pages: 71
Release: 2007
Genre: Biomechanics
ISBN:

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The aim of the research was to develop a three-dimensional finite element model to study the biomechanical and kinematic characteristics of the human lumbar spine in flexion. An analytical model of the lumbar spine capable of taking into consideration the actual geometry, non-linear material properties and realistic loading would be of benefit in studying normal biomechanics, as well as in-vivo behavior in injured and surgically altered spines. Fundamental to this approach is an accurate model of the spine. This was achieved by modeling the lumbar segments L2-L4 from Computed Tomography (CT) data and analyzing them under loading conditions that best approximated the human lumbar segments in flexion. An in-vitro study was performed for validation of the finite element model. Human lumbar cadaveric spinal segments (L2-L4) were loaded based on test conditions similar to those defined in the finite element analysis. The results of the cadaver biomechanical study and finite element analysis were compared. The results suggest that the model is a valid approach to assessing the range of motion of the L3 segment under flexion. Rotation under lateral bending moments was additionally investigated to provide a thorough validation of the model.


Finite Element Analysis

Finite Element Analysis
Author: David Moratal
Publisher: IntechOpen
Total Pages: 698
Release: 2010-08-17
Genre: Computers
ISBN: 9789533071237

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Finite element analysis is an engineering method for the numerical analysis of complex structures. This book provides a bird's eye view on this very broad matter through 27 original and innovative research studies exhibiting various investigation directions. Through its chapters the reader will have access to works related to Biomedical Engineering, Materials Engineering, Process Analysis and Civil Engineering. The text is addressed not only to researchers, but also to professional engineers, engineering lecturers and students seeking to gain a better understanding of where Finite Element Analysis stands today.


Clinical Biomechanics

Clinical Biomechanics
Author: Zeevi Dvir
Publisher:
Total Pages: 296
Release: 2000
Genre: Medical
ISBN:

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Leading authorities provide an exploration of biomechanics focusing on specific issues related to diagnosis and treatment of musculoskeletal problems. Discussions point out the critical significance of biomechanical analysis to the understanding of muscle-joint interactions and the implications for normal and abnormal function.


Injury Analysis and Treatment Planning with Virtual Human Body Models

Injury Analysis and Treatment Planning with Virtual Human Body Models
Author: Fuhao Mo
Publisher: Frontiers Media SA
Total Pages: 344
Release: 2024-07-25
Genre: Technology & Engineering
ISBN: 283255220X

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Life-saving medical and scientific research-based interventions are extending people's lives and saving the lives of people who have suffered from diseases and injuries. This has led to an increased need for the development of technical and medical devices for the prevention, rehabilitation, and treatment of injuries. With the development of computer technology, more and more virtual models of the human body have been developed for biomedical and biomechanical research and application. Reliable virtual body models can efficiently improve injury prediction and rehabilitation, as well as disease diagnosis and treatment. For the past decade, biomechanical virtual human body models have experienced major advancements in terms of development methods, model biofidelity, availability, and applications.


Research Anthology on Emerging Technologies and Ethical Implications in Human Enhancement

Research Anthology on Emerging Technologies and Ethical Implications in Human Enhancement
Author: Management Association, Information Resources
Publisher: IGI Global
Total Pages: 791
Release: 2020-12-18
Genre: Science
ISBN: 1799881032

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Along with the introduction of technology in nearly every facet of human life comes the question of the ethical side of using technology to improve the human condition, whether that be physically or mentally. The capabilities of human enhancement technologies have created a dual-sided approach to discussing human enhancement: the critical approach of attempting to reach human perfection and the ethics within that idea and the endless capabilities of technology that have greatly impacted the medical field. It is essential to discuss both aspects within these emerging technologies, whether as separate entities or as cohesive units. Ranging from disease detection and treatment to implants and prosthetics to robotics and genetic engineering, human enhancement technologies are widespread and multi-purposed. By going beyond the capabilities of human hands, these technologies have propelled modern medicine and healthcare to new levels that have allowed humans to face new treatments or assistive technologies not seen before. The Research Anthology on Emerging Technologies and Ethical Implications in Human Enhancement covers the primary technologies and tools being used in medicine and healthcare along with discussions on the ethics of enhancing the human body. Topics covered include prosthetics and implants, robotics, human disorders/diseases and treatments and smart technologies, along with law and theory. This publication serves as a valuable reference work for doctors, medical professionals, researchers, students, professionals, and practitioners involved in fields that include ethics, medicine, computer science, robotics, genetics, assistive technologies, nanotechnology, biomedical engineering, and biotechnology.


A Finite Element Analysis of Wave Propagation in Human Spine

A Finite Element Analysis of Wave Propagation in Human Spine
Author: Y. King Liu
Publisher:
Total Pages: 86
Release: 1973
Genre:
ISBN:

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A finite element model for the dynamic configuration and force responses of the initially curved human spine has been developed in the first part of this report. The layered media column with alternate discs and vertebrae, variable lengths and cross-sectional areas along the spine has been accounted for. Application of a +Gz implusive loading results in the simultaneous propagation of the axial, bending and shear deformations in this initially curved, inhomogeneous beam-column. The effects of rotatory inertia has also been included. The model takes into account two distinctly different wave speeds - a faster one for axial and bending deformations and a slower one for the shear deformation. The second part is a scheme for the stress analysis of a typical disc-vertebra interface for a given dynamic moment, shear and axial force. (Modified author abstract).