Joshua Steer
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View article: Evidence-Generated Sockets for Transtibial Prosthetic Limbs Compared With Conventional Computer-Aided Designs: A Multiple-Methods Study From the Patient’s Perspective
Evidence-Generated Sockets for Transtibial Prosthetic Limbs Compared With Conventional Computer-Aided Designs: A Multiple-Methods Study From the Patient’s Perspective Open
Background Personalized prosthetic socket design depends upon highly skilled prosthetists. They aim to balance functional human-prosthesis coupling with safe, comfortable load transmission from the prosthesis to the skeleton, through vulne…
View article: OpenLimbTT, a Transtibial Residual Limb Shape Model for Prosthetics Simulation and Design: creating a statistical anatomic model using sparse data
OpenLimbTT, a Transtibial Residual Limb Shape Model for Prosthetics Simulation and Design: creating a statistical anatomic model using sparse data Open
Poor socket fit is the leading cause of prosthetic limb discomfort. However, currently clinicians have limited objective data to support and improve socket design. Prosthesis fit could be predicted by finite element analysis to help improv…
View article: A Comparison between Evidence-Generated Transtibial Sockets and Conventional Computer-Aided Designs, from the Patient’s Perspective
A Comparison between Evidence-Generated Transtibial Sockets and Conventional Computer-Aided Designs, from the Patient’s Perspective Open
Objective Personalised prosthetic socket design depends upon skilled prosthetists who aim to balance functional human-prosthesis coupling with safe, comfortable load transmission to skin and soft tissues. This study’s objective was to asse…
View article: Insights into the spectrum of transtibial prosthetic socket design from expert clinicians and their digital records
Insights into the spectrum of transtibial prosthetic socket design from expert clinicians and their digital records Open
Background Transtibial prosthetic sockets are often grouped into patella tendon bearing (PTB) or total surface bearing (TSB) designs, but many variations in rectifications are used to apply these principles to an individual's personalised …
View article: Toward standardized methods for prosthetic socket mechanical testing
Toward standardized methods for prosthetic socket mechanical testing Open
Dickinson, Alex; Nickel, Eric; Fatone, Stefania; Gariboldi, Francesca; Steer, Joshua; Cutti, Andrea Giovanni; Erenstone, Jeffrey; Zahedi, Saeed; AOPA Socket Guidance Workgroup Collaborators Berke, Gary MS, CP, FAAOP; Colvin, James MSBME; C…
View article: Mechanical testing of transtibial prosthetic sockets: A discussion paper from the American Orthotic and Prosthetic Association Socket Guidance Workgroup
Mechanical testing of transtibial prosthetic sockets: A discussion paper from the American Orthotic and Prosthetic Association Socket Guidance Workgroup Open
Background: The advent of novel manufacturing technologies, materials, and socket design concepts could introduce risks to prosthetic limb users, as the existing knowledge base for safe fabrication may not apply. Moreover, although structu…
View article: Characterising Residual Limb Morphology and Prosthetic Socket Design Based on Expert Clinician Practice
Characterising Residual Limb Morphology and Prosthetic Socket Design Based on Expert Clinician Practice Open
Functional, comfortable prosthetic limbs depend on personalised sockets, currently designed using an iterative, expert-led process, which can be expensive and inconvenient. Computer-aided design and manufacturing (CAD/CAM) offers enhanced …
View article: Characterising Residual Limb Morphology and Prosthetic Socket Design based on Expert Clinician Practice
Characterising Residual Limb Morphology and Prosthetic Socket Design based on Expert Clinician Practice Open
Functional, comfortable prosthetic limbs depend on personalised sockets, currently designed using an iterative, expert-led process, which can be expensive and inconvenient. Computer aided design and manufacturing (CAD/CAM) offers enhanced …
View article: Developing a control framework for self-adjusting prosthetic sockets incorporating tissue injury risk estimation and Generalized Predictive Control
Developing a control framework for self-adjusting prosthetic sockets incorporating tissue injury risk estimation and Generalized Predictive Control Open
Purpose: To perform activities of daily living (ADL), people with lower limb amputation depend on the prosthetic socket for stability and proprioceptive feedback. Poorly fitting sockets can cause discomfort, pain, limb tissue injuries, lim…
View article: Quantifying intracortical bone microstructure: A critical appraisal of 2D and 3D approaches for assessing vascular canals and osteocyte lacunae
Quantifying intracortical bone microstructure: A critical appraisal of 2D and 3D approaches for assessing vascular canals and osteocyte lacunae Open
Describing and quantifying vascular canal orientation and volume of osteocyte lacunae in bone is important in studies of bone growth, mechanics, health and disease. It is also an important element in analysing fossil bone in palaeohistolog…
View article: Key considerations for finite element modelling of the residuum–prosthetic socket interface
Key considerations for finite element modelling of the residuum–prosthetic socket interface Open
Background: Finite element modelling has long been proposed to support prosthetic socket design. However, there is minimal detail in the literature to inform practice in developing and interpreting these complex, highly nonlinear models. O…
View article: Developing an Analogue Residual Limb for Comparative DVC Analysis of Transtibial Prosthetic Socket Designs
Developing an Analogue Residual Limb for Comparative DVC Analysis of Transtibial Prosthetic Socket Designs Open
Personalised prosthetic sockets are fabricated by expert clinicians in a skill- and experience-based process, with research providing tools to support evidence-based practice. We propose that digital volume correlation (DVC) may offer a de…
View article: ampscan: A lightweight Python package for shape analysis of prosthetics and orthotics
ampscan: A lightweight Python package for shape analysis of prosthetics and orthotics Open
The increasing accessibility of surface scanners is giving users the ability to accurately digitise the 3D surface geometry of real world objects which may then be manufactured by CNC machining or 3D printing.In addition to hobbyist applic…
View article: Key considerations for finite element modelling of the residuum-prosthetic socket interface
Key considerations for finite element modelling of the residuum-prosthetic socket interface Open
Study Design: Computational modellingBackground: Finite element (FE) modelling has long been proposed to support the design of prosthetics sockets. However, there is minimal detail in the literature to inform practice in developing and int…
View article: Selecting Appropriate 3D Scanning Technologies for Prosthetic Socket Design and Transtibial Residual Limb Shape Characterisation
Selecting Appropriate 3D Scanning Technologies for Prosthetic Socket Design and Transtibial Residual Limb Shape Characterisation Open
Introduction: Plaster casting and manual rectification represent the benchmark prosthetic socket design method. 3D technologies have increasing potential for prosthetic limb design and fabrication, especially for enhancing access to these …
View article: Predictive prosthetic socket design: part 2—generating person-specific candidate designs using multi-objective genetic algorithms
Predictive prosthetic socket design: part 2—generating person-specific candidate designs using multi-objective genetic algorithms Open
In post-amputation rehabilitation, a common goal is to return to ambulation using a prosthetic limb, suspended by a customised socket. Prosthetic socket design aims to optimise load transfer between the residual limb and mechanical limb, b…
View article: Dataset for thesis "Developing parametric finite element models of the residual limb - prosthetic socket system towards clinical application"
Dataset for thesis "Developing parametric finite element models of the residual limb - prosthetic socket system towards clinical application" Open
This is a dataset for the thesis "Developing parametric finite element models of the residual limb – prosthetic socket system towards clinical application". A readme is supplied to assist with opening the data file, which is formatted as a…
View article: Dataset for paper "Predictive Prosthetic Socket Design: Part 1âpopulation-based evaluation of transtibial prosthetic sockets by FEA-driven Surrogate Modelling"
Dataset for paper "Predictive Prosthetic Socket Design: Part 1âpopulation-based evaluation of transtibial prosthetic sockets by FEA-driven Surrogate Modelling" Open
This is a dataset for the publication "Predictive Prosthetic Socket Design: Part 1—population-based evaluation of transtibial prosthetic sockets by FEA-driven Surrogate Modelling". A readme is supplied to assist with opening the data file,…
View article: Dataset for paper "Predictive Prosthetic Socket Design: Part 2â generating person-specific candidate designs using multi-objective Genetic Algorithms"
Dataset for paper "Predictive Prosthetic Socket Design: Part 2â generating person-specific candidate designs using multi-objective Genetic Algorithms" Open
This is a dataset for the publication "Predictive Prosthetic Socket Design: Part 2— generating person-specific candidate designs using multi-objective Genetic Algorithms" in Biomechanics and Modeling in Mechanobiology. A readme is supplied…
View article: Finite element analysis of the amputated lower limb: A systematic review and recommendations
Finite element analysis of the amputated lower limb: A systematic review and recommendations Open
The care and rehabilitation of individuals after lower limb amputation presents a substantial and growing socioeconomic challenge. Clinical outcome is closely linked to successful functional rehabilitation with a prosthetic limb, which dep…
View article: Registering methodology for imaging and analysis of residual-limb shape after transtibial amputation
Registering methodology for imaging and analysis of residual-limb shape after transtibial amputation Open
Successful prosthetic rehabilitation following lower-limb amputation depends upon a safe and comfortable socket-residual limb interface. Current practice predominantly uses a subjective, iterative process to establish socket shape, often r…