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Development Of A Biomechanical Model Of The Interface Between The Residual Limb And Prosthesis For Trans Femoral Amputees
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Book Synopsis Development of a Biomechanical Model of the Interface Between the Residual Limb and Prosthesis for Trans-femoral Amputees by : Vee Sin Peter Lee
Download or read book Development of a Biomechanical Model of the Interface Between the Residual Limb and Prosthesis for Trans-femoral Amputees written by Vee Sin Peter Lee and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Biomechancial Model of the Interface Between the Residual Limb and Prosthesis for Trans-femoral Amputees by : V.S.P Lee
Download or read book Development of a Biomechancial Model of the Interface Between the Residual Limb and Prosthesis for Trans-femoral Amputees written by V.S.P Lee and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomechanical Model of Transhumeral Prostheses by : Rebekah Freilich
Download or read book Biomechanical Model of Transhumeral Prostheses written by Rebekah Freilich and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: It has been shown that the interface between the prosthetic socket and residual limb (S-RL) interface is an important factor in determining acceptance and outcomes of upper limb prostheses. [1] Among the most common complaint from amputees is that the prosthesis is uncomfortable due to developing skin irritation which is usually attributed to poor fit (Nielson 1990). In order to understand why skin irritations can and do occur it is imperative to examine the biomechanical properties of the S-RL interface. A primary reason behind the development of skin irritation is instability of the socket upon the residuum. Alley (2009) asserts that excess slip, axial rotation, and translation are the facets of instability that cause skin irritations due to friction and shear. Measuring the motion at the S-RL interface is not commonly done and therefore there is still no valid and reliable method to quantify the motion clinically. A licensed prosthesis fabricated a transhumeral residual limb model to fit within a typical, harness suspended transhumeral prosthesis. A custom testing apparatus was built to hold the residual limb model and prosthesis for testing. Eight infrared markers were placed on the prosthesis and residual limb model: Two each respectively on the "wrist", elbow axis, socket, and on the residual limb model. The model consists of 3 rigid segments, the forearm, socket, and residual limb. Pearson r correlations were done to see how strongly correlated the motion analysis calculated values were to the accepted values. All results were significant with a r
Book Synopsis Targeted Muscle Reinnervation by : Todd A. Kuiken
Download or read book Targeted Muscle Reinnervation written by Todd A. Kuiken and published by Taylor & Francis. This book was released on 2013-07-23 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: Implement TMR with Your Patients and Improve Their Quality of LifeDeveloped by Dr. Todd A. Kuiken and Dr. Gregory A. Dumanian, targeted muscle reinnervation (TMR) is a new approach to accessing motor control signals from peripheral nerves after amputation and providing sensory feedback to prosthesis users. This practical approach has many advantage
Book Synopsis Prosthetic Biomechanics in Engineering by : N.A. Abu Osman
Download or read book Prosthetic Biomechanics in Engineering written by N.A. Abu Osman and published by CRC Press. This book was released on 2021-12-30 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prosthetic biomechanics is an interdisciplinary field of engineering, medicine, and biology, focused on enhancing people’s lifestyles. In the past 20 years, the field of prosthetic biomechanics and its potential have grown due to the support of advances in engineering technologies. Prosthetic Biomechanics in Engineering is about the recent advances in prosthetic engineering research. The scope of the book is focused on the design, development, and evaluation of a prosthetic systems that are being used in biomechanical applications. The book covers advanced materials, conceptual design, classification, ergonomics design applications, brain computer interface (BCI) system, motion analysis, postural stand stability, upper and lower limb prosthetics, types of suspension systems for prosthetics, Fiber Bragg Grating-based techniques, and pressure on the residual limb and the socket. The early chapters effectively describe new sensors for in-socket systems, new pylon material, and advanced gait analysis. Further chapters discuss advanced techniques for the design and development of prosthetics based on clinical and emergency uses. The information provided in this book is intended for researchers and investigators to encourage further advances in the field of prosthetics research, and for the development of rehabilitation equipment for the improvement of human health, and it: Presents recent advances in prosthetic biomechanics engineering research Discusses the design and development of limb prosthetic systems Explores advanced concepts of the prosthetic sockets Describes gait analysis of prosthetics and orthotics Dr Noor Azuan Abu Osman is a practicing engineer and Professor of Biomechanics with Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Malaysia.
Book Synopsis Informing Surgical Interventions Via Biomechanical Engineering Techniques for Individuals With Lower-limb Loss and Pathology by : Emily T. Levy
Download or read book Informing Surgical Interventions Via Biomechanical Engineering Techniques for Individuals With Lower-limb Loss and Pathology written by Emily T. Levy and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amputations (i.e., limb loss) and osteoarthritis are two of the leading causes of long-term disability. Persons within these associated populations suffer from gait abnormalities and pain, which lead to a lower quality of life. Individuals with transfemoral amputation who are ambulatory don prosthetic sockets that often need frequent clinical refitting/reconfiguration and have few realistic alternatives, especially in individuals with obesity and/or vascular disease. To overcome these issues, osseointegration, or direct skeletal attachment of a prosthesis to a limb, has been proposed and shown to greatly improve functional mechanics of the lower-limb. But osseointegration surgery has only be used on patients with traumatic limb loss (representing the minority of the population) and can lead to infection of limb soft tissue and bone that requires additional amputation surgery and loss of limb length. Medial thighplasty, or excision and liposuction of adipose tissue in the residual limb, is a more conservative surgical alternative with higher eligibility than osseointegration and that may also improve prosthetic function. However, this limb “recontouring” procedure is often viewed as a surgery that improves limb cosmesis (i.e., its appearance), as opposed to its function. In fact, most medial thighplasty candidates are non amputees who are obese. This dissertation evaluates the influence of medial thighplasty surgery in the context of transfemoral limb loss and quantifies improvements in lower-limb and center-ofmass kinematics and kinetics during straight-line walking as well as during transient changes of direction. This surgical technique—modifying only the limb adipose tissue—improved biomechanical function and maneuverability characterized by greater path efficiency, faster movement completion times, smoother turning curvatures, tighter coupling between movement velocity and curvature, and increased shear ground reaction forces. This work suggests that confidence and fluidity of movement can be improved if medial thighplasty is applied in individuals with transfemoral limb loss and provides a missing link between the underlying structure of the residual limb and the function of lower-limb prostheses. Osteoarthritis has been shown to be secondary to developmental joint abnormalities, which are often expected to lead to higher contact stress of the articulating joint surfaces. Dysplasia and femoroacetabular impingement are two common hip deformities that lead to premature joint degradation. Yet, diagnosis is complex, and the course of treatment is different depending on the pathology. A robust treatment plan for therapy or surgery is vital to preserving the hip joint before the onset of osteoarthritis. This dissertation evaluated patients with diagnosed dysplasia or impingement prior to hip preservation surgery and uncovered significant differences in their gait biomechanics. The dysplasia cohort exhibited widespread gait deviations throughout the stride, while impingement group showed localized differences in mechanics that primarily occurred during peak hip extension (i.e., last stance phase of the stride). Furthermore, this dissertation investigated the use of dynamic simulation of static medical imaging from these patients. We argue, as an alternative to dynamic imaging modalities, that imposing normative motion of these static joint images in a simulation framework can lead to further insight about the underlying root causes of each deformity and calculate geometric properties of the hip center-of-rotation, as well as inadmissible variations of the relative motion between femur and acetabulum during normative level and sloped walking. Finally, continuous classification schemes were evaluated (linear and nonlinear discriminant analyses) to probe the separation between time-varying features of these multiple pathologies that occur throughout the stride. These final studies pertaining to hip preservation also deepen our understanding of the functional link between lower-limb structure and its function during widely varying ambulation scenarios and provide a potentially powerful tool to improve the diagnosis and treatment of a given patient.
Download or read book Full Stride written by Victoria Tepe and published by Springer. This book was released on 2017-09-22 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This ground-breaking title begins with an introductory overview of the Lower Extremity Gait Systems (LEGS) project, identifying concerns and observations as context for the reader to consider topics and challenges detailed in later chapters. Next are chapters that explore relevant military and civilian needs, and an essential historical context of the capabilities and limitations of contemporary prosthetics. The section concludes with an overview of essential components used in passive and active lower limb prosthetics, including sockets, foot, ankle, and knee systems, as well as emerging bionic systems. A second section considers research and development in orthotics, synthetic and biological materials, volitional control, and wearable robotics (also known as exoskeletons). Finally, expert authors explore advanced science and emerging medical perspectives in research related to limb salvage, osseointegration, limb transplantation, and tissue engineering. Designed for medical practitioners, engineers, students, and researchers who use or develop prosthetic technology for civilian or military amputees, Full Stride: Advancing the State of the Art in Lower Extremity Gait Systems will be of great interest to trauma specialists, orthopedists, rehabilitation specialists, nursing staff and physical therapists, as well as researchers and scientists who specialize in fields that shape and inform advanced prosthetic device development such as materials sciences, engineering (electrical, mechanical, biomedical), robotics, and human physiology.
Book Synopsis Journal of Rehabilitation Research and Development by :
Download or read book Journal of Rehabilitation Research and Development written by and published by . This book was released on 1995 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomechanics of Lower Limb Prosthetics by : Mark R. Pitkin
Download or read book Biomechanics of Lower Limb Prosthetics written by Mark R. Pitkin and published by Springer. This book was released on 2009-10-14 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foreword from a Clinical Biomechanist, Applied Physiologist and Prosthetist teaching graduate students in Prosthetics & Orthotics. While there are many books on Biomechanics, arguably the quintessential science of limb prosthetics, none addresses the fundamental principles in sufficient detail and depth to be practically useful to the prosthetist, rehabilitation specialist or researcher. Dr. Pitkin’s monograph is an exemplary collection of theoretical principles from his research and o- ers, presented in its clinical and applied biomechanics form. The textbook provides an excellent overview of the many facets of lower limb prosthetic design and engineering for the ardent clinician researcher and student. The book delves into many of the basic concepts that are required knowledge for the clinician and the scientist to have as the foundation for their work. Dr. Pitkin has an e- quent manner in which he reflects on the history and literature to tell the storied evolution of prosthetic design . He takes the reader on a journey to consider his theories, which have substantive foundations to contemplate. By the end of chapter one, we have the basic h- tory and an appreciation for the rationale behind the “rolling joint ankle” with evidence to support his theoretical views.
Book Synopsis Prosthetic Restoration and Rehabilitation of the Upper and Lower Extremity by : Mary Catherine Spires, PT, MD
Download or read book Prosthetic Restoration and Rehabilitation of the Upper and Lower Extremity written by Mary Catherine Spires, PT, MD and published by Demos Medical Publishing. This book was released on 2013-12-19 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prosthetic Restoration and Rehabilitation of the Upper and Lower Extremity is a well-illustrated, state-of-the-art reference on the science and practice of post-amputation care, prosthetic restoration, and functional rehabilitation, designed to maximize patient independence and quality of life. Chapters are written by physiatrists, prosthetists, surgeons, and therapists at the University of Michigan, clinicians and teachers who work with amputees on a daily basis. Clinically oriented, it covers both lower and upper extremity restoration and rehabilitation and serves as a handy reference for busy practitioners to support sound clinical decision-making. Beginning with basic anatomy, kinesiology, and a recap of surgical decisions principles and post-operative care for amputees, the book discusses biomechanics, clinical assessment, prosthetic options, how to write a complete and detailed prescription for the prosthesis, restoration and management of specific problems by region, and rehabilitation programs and strategies. Common medical issues such as phantom limb sensation and pain, skin problems, and sexual and psychological considerations are discussed as well. In-depth coverage of prosthetic restoration is provided for special populations such as infants, children, the elderly, athletes multi-extremity amputees, and those who have lost limbs to cancer. Chapters are written in expanded outline format for ease of use and feature numerous full-color diagrams, photos, and other illustrations. This text will guide physicians, trainees, and other members of the care team through the fundamentals of restoring function to individuals who have lost limbs or body parts. Key Features: Provides a state-of-the-art, accessible, clinical approach to post-amputation care, prosthetic restoration, and functional rehabilitation Covers both upper and lower extremities Addresses prostheses for special populations and sports and recreation Includes boxed clinical pearls at the start of each chapter, illustrated quick reference tables, and full-color photos throughout Supports clinical decision making and addresses practical questions and problems Advises on new requirements for Medicare and Medicaid patients, and includes patient education materials and sample prescription forms that can be customized for use in any clinic Outlines important information for returning to the community after amputation "
Book Synopsis Journal of Rehabilitation Research & Development by :
Download or read book Journal of Rehabilitation Research & Development written by and published by . This book was released on 2001 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Use of a Novel Residuum Model to Design a Variable-impedance Transtibial Prosthetic Socket by : David Moinina Sengeh
Download or read book The Use of a Novel Residuum Model to Design a Variable-impedance Transtibial Prosthetic Socket written by David Moinina Sengeh and published by . This book was released on 2016 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: For people living with limb amputation, the prosthetic socket - the interface between the residuum and prosthesis - is the most critical component. When a socket is uncomfortable, especially due to poor fit, the quality of life for a patient is greatly hindered. However, conventional design of sockets is largely artisan, with limited input of quantitative data. Current computer-aided and manufacturing (CAD/CAM) designs are still not clinically applicable solutions. Due to model identification procedures that employ non patient-specific and incomplete data sets, today's finite element (FE) models of the residuum are not predictive, leading to suboptimal socket designs. As such, there exists a need for a comprehensive biomechanical model of the residuum for the quantitative design and computational evaluation of patient-specific prosthetic sockets. This thesis presents a combined experimental-numerical approach to evaluate and validate a transtibial residuum biomechanical model. The central hypothesis of the work is that a single biomechanical model can predict the large non-linear response at various sites on a residuum under load. To evaluate this hypothesis, a non-linear, two-tissue model was formulated where tissue geometries were defined using MRI data of the residuum. The non-linear viscoelastic material parameters of the model were identified through inverse FEA-based optimization using in-vivo indentation experimental data at four locations. Using optimized model tissue parameters, the mean percentage error (mean absolute error/ maximum experimental force) between the experimental and simulation force-time curves at 14 other locations across the evaluated transtibial residuum was 7 ± 3%. Using this same modeling methodology and a single set of material constants to describe the bulk soft tissue biomechanical response of seven distinct transtibial residual limb models, the average percentage error for indentations at multiple locations across all seven limbs was 7 ± 1%. From these predictive models of residuum limbs, one rigid novel socket and two multimaterial transtibial sockets were designed, fabricated and evaluated through an entirely quantitative, automated and repeatable methodology. In a preliminary clinical investigation, the novel sockets were shown to reduce peak contact pressures at the tibia and fibular head regions on the residuum by significant amounts during standing compared to a conventional socket interface designed and fabricated by a trained prosthetist.
Book Synopsis A Synergistic Approach to Transtibial Socket Interface Mechanics by : Amy Lorraine Lenz
Download or read book A Synergistic Approach to Transtibial Socket Interface Mechanics written by Amy Lorraine Lenz and published by . This book was released on 2017 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Predicting Pressure Distribution Between Transfemoral Prosthetic Socket and Residual Limb Using Finite Element Analysis by : Rajesh Surapureddy
Download or read book Predicting Pressure Distribution Between Transfemoral Prosthetic Socket and Residual Limb Using Finite Element Analysis written by Rajesh Surapureddy and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, a non-linear Finite Element (FE) model was created and analyzed to determine the pressure distribution between the residual limb and the prosthetic socket of a transfemoral amputee. This analysis was performed in an attempt to develop a process allowing healthcare providers and engineers to simulate the fit and comfort of transfemoral prosthetics to reduce the number of re-fittings needed for the amputees. The analysis considered the effects of interference due to insertion of the limb into the prosthesis, referred to as donning, and also the effects due to the body weight of the amputee. A non-linear finite element static implicit analysis method was utilized. This analysis implemented multiple finite element techniques, including geometric non-linearity due to large deflections, non-linear contacts due to friction between the contact surfaces of the residual limb and the socket, and non-linear hyper-elastic material properties for the residual limb's soft tissue. This non-linear static analysis was carried out in two time-steps. The first step involved solving the interference fit analysis to study the pre-stresses developed due to the effect of donning. The donning process results in soft tissue displacement to accommodate the internal geometry of the prosthesis. In the second load application time-step, an additional load of half the person's body weight was applied to the femur. The maximum normal stress (contact pressure) of 84 kPa was observed due to the combined effect of the donning procedure and body weight application, comparable to the studies performed by other researchers. The procedure developed through this work can be used by future researchers and prosthetic designers in understanding how to better design transfemoral prosthesis.
Book Synopsis Amputations and Prosthetics by : Bella J. May
Download or read book Amputations and Prosthetics written by Bella J. May and published by F. A. Davis Company. This book was released on 1996 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: A case-based text, now with terminology consistent with the APTA's Guide to Physical Therapist Practice, uses a holistic approach to the management of individuals with amputations. Concise yet comprehensive, it discusses traumatic amputations, juvenile amputees, and the management of individuals with peripheral vascular diseases. The 2nd Edition reviews the latest technological advances in prosthetic fabrication and provides information on relevant websites.
Author :American Academy of Orthopaedic Surgeons Publisher :Amer Academy of Orthopaedic ISBN 13 :9780892032754 Total Pages :930 pages Book Rating :4.0/5 (327 download)
Book Synopsis Atlas of Limb Prosthetics by : American Academy of Orthopaedic Surgeons
Download or read book Atlas of Limb Prosthetics written by American Academy of Orthopaedic Surgeons and published by Amer Academy of Orthopaedic. This book was released on 2002-01-01 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: Newly available after being out of print for several years, this is the definitive reference on the surgical and prosthetic management of acquired or congenital limb loss. Covers indications for amputation vs. limb salvage for trauma, peripheral vascular disease, and tumours; indications for prostheses for amputation levels; and rehabilitation approaches.
Book Synopsis A Finite Element Analysis of the Interfaces Between the Muscles of the Residual Limb in Trans-femoral Amputees by : Peer Gross
Download or read book A Finite Element Analysis of the Interfaces Between the Muscles of the Residual Limb in Trans-femoral Amputees written by Peer Gross and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
