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Dissertations / Theses on the topic 'Prosthetic foot'

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Published: 4 June 2021

Last updated: 20 June 2025

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1

Liang, ZhiYi S. B. Massachusetts Institute of Technology. "Mechatronic design of an ISO 22675 prosthetic foot tester." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/123211.

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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2019<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 85-86).<br>Researchers in the Global Engineering and Research Lab (GEAR Lab) at MIT have been actively working on an improved design of the most widely distributed prosthetic foot in India, known as the Jaipur Foot. By developing an ISO 22675 prosthe

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2

Connolly, Philip Andrew. "The design of a prosthetic foot unit for use in developing countries." Thesis, University of Strathclyde, 2018. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=29519.

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The majority of prosthetic feet used in low-income countries suffer from a limited lifespan and limited durability. The aim of this project is to design a prosthetic foot suited to use in low-income countries that incorporates both durability and a high level of function. A review of the literature was carried out which included examining the form and function of the anatomical human foot and the existing prosthetic systems used in low-income countries as well as their limitations and successes. Also reviewed were methods of assessment of a prosthetic foot. A Product Design Specification (PDS)

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Schlafly, Millicent. "Design and Testing of a Passive Prosthetic Ankle Foot Optimized to Mimic an Able-Bodied Gait." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7710.

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Currently there are nearly 2 million people living with limb loss in the United States [1]. Many of these individuals are either transtibial (below knee) or transfemoral (above knee) amputees and require an ankle-foot prosthesis for basic mobility. While there are an abundance of options available for individuals who require an ankle-foot prosthesis, these options fail to mimic an intact ankle when it comes to key evaluation criteria such as range of motion, push-off force, and roll over shape. The roll over shape is created by plotting the center of pressure during a step in a shank-based coo

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Potter, Derek W. "Gait analysis of a new low-cost foot prosthetic for use in developing countries." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ54478.pdf.

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Olesnavage, Kathryn M. "Design and evaluation of a cantilever beam-type prosthetic foot for Indian persons with amputations." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/92132.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>The goal of this work is to design a low cost, high performance prosthetic foot in collaboration with Bhagwan Mahaveer Viklang Sahayata Samiti (BMVSS), in Jaipur, India. In order to be adopted, the foot must cost less than $10 USD, be mass-manufacturable, and meet or exceed the performance of the Jaipur Foot, BMVSS' current prosthetic foot. This thesis investigates different metrics that are used to design and evalu

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Hafner, Brian J. "Transtibial amputee gait adaptation : correlating residual limb compliance to energy storing and return prosthetic foot compliance in bouncing gait /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/8038.

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7

Lasota, Marek. "Návrh protetického chodidla s využitím aditivních výrobních technologií." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382165.

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Subject of this diploma thesis is a design of a prosthetic foot for an additive manufacturing. It is a dynamic foot made of plastic, designed for an 80 kg patient with a second level of a movement aktivity. From a few concepts is chosen one, which is then optimalized and printed with a MJF method. Functional sample is then undergoing static and cyclic tests according to ISO 10328.

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De, Asha Alan Richard. "Biomechanical adaptations of lower-limb amputee-gait : effects of the echelon hydraulically damped foot : segmental kinetic and kinematic responses to hydraulically damped prosthetic ankle-foot components in unilateral, trans-tibial amputees." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/7271.

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The aim of this thesis was to determine the biomechanical adaptations made by active unilateral trans-tibial amputees when they used a prosthesis incorporating a hydraulically-damped, articulating ankle-foot device compared to non-hydraulically attached devices. Kinematic and kinetic data were recorded while participants ambulated over a flat and level surface at their customary walking speeds and at speeds they perceived to be faster and slower using the hydraulic device and their habitual foot. Use of the hydraulic device resulted in increases in self-selected walking speeds with a simultane

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De, Asha Alan R. "Biomechanical adaptations of lower-limb amputee-gait: Effects of the echelon hydraulically damped foot. Segmental kinetic and kinematic responses to hydraulically damped prosthetic ankle-foot components in unilateral, trans-tibial amputees." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/7271.

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The aim of this thesis was to determine the biomechanical adaptations made by active unilateral trans-tibial amputees when they used a prosthesis incorporating a hydraulically-damped, articulating ankle-foot device compared to non-hydraulically attached devices. Kinematic and kinetic data were recorded while participants ambulated over a flat and level surface at their customary walking speeds and at speeds they perceived to be faster and slower using the hydraulic device and their habitual foot. Use of the hydraulic device resulted in increases in self-selected walking speeds with a simultan

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10

Au, Samuel Kwok-Wai. "Powered ankle-foot prosthesis for the improvement of amputee walking economy." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40949.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2007.<br>Includes bibliographical references (p. 103-108).<br>The human ankle provides a significant amount of net positive work during the stance period of walking, especially at moderate to fast walking speeds. On the contrary, conventional ankle-foot prostheses are completely passive during stance, and consequently, cannot provide net positive work. Clinical studies indicate that transtibial amputees using conventional prostheses exhibit higher gait metabolic rates as compared to intact individuals. Res

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Rogers, Emily S. M. Massachusetts Institute of Technology. "Neurally-controlled ankle-foot prosthesis with non-backdrivable transmission for rock climbing augmentation." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/121861.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 87-88).<br>This thesis presents the design and evaluation of a neurally-controlled ankle-foot prosthesis optimized to enhance rock climbing ability in persons with transtibial amputation. The bionic rock climbing prosthesis restores biologic performance of the ankle-foot complex. The user volitionally controls the positions of both the prosthetic ankle and subtalar joints via input from electromyography surface el

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12

Martinez, Villalpando Ernesto Carlos. "Estimation of ground reaction force and zero moment point on a powered ankle-foot prosthesis." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37271.

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Thesis (S.M.)--Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2006.<br>Includes bibliographical references (leaves 89-97).<br>Commercially available ankle-foot prostheses are passive when in contact with the ground surface, and thus, their mechanical properties remain fixed across different terrains and walking speeds. The passive nature of these prostheses causes many problems for lower extremity amputees, such as a lack of adequate balance control during standing and walking. The ground reaction force (GRF) and the zero moment

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13

Struckovs, Vasilijs. "Biomechanical adaptations involved in ramp descent: Impact of microprocessor-controlled ankle-foot prothesis. Kinetic and kinematic responses to using microprocessor-controlled ankle-foot prosthesis in unilateral trans-tibial amputees during ramp descent." Thesis, University of Bradford, 2017. http://hdl.handle.net/10454/17214.

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Ramp descent is a demanding task for trans-tibial amputees, due to the difficulty in controlling body weight progression over the prosthetic foot. A deeper understanding of the impact of foot function on ramp descent biomechanics is required to make recommendations for rehabilitation programs and prosthetic developments for lower-limb amputees. The thesis aim was to determine the biomechanical adaptations made by active unilateral trans-tibial amputees (TT) using a microprocessor-controlled ankle-foot prosthesis in active (MC-AF) compared to non-active mode (nonMC-AF) or elastically articulate

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14

Eslamy, Mahdy [Verfasser], Andre Akademischer Betreuer] Seyfarth, and Stephan [Akademischer Betreuer] [Rinderknecht. "Emulation of Ankle Function for Different Gaits through Active Foot Prosthesis: Actuation Concepts, Control and Experiments / Mahdy Eslamy. Betreuer: Andre Seyfarth ; Stephan Rinderknecht." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2014. http://nbn-resolving.de/urn:nbn:de:tuda-tuprints-42021.

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Eslamy, Mahdy Verfasser], Andre [Akademischer Betreuer] Seyfarth, and Stephan [Akademischer Betreuer] [Rinderknecht. "Emulation of Ankle Function for Different Gaits through Active Foot Prosthesis: Actuation Concepts, Control and Experiments / Mahdy Eslamy. Betreuer: Andre Seyfarth ; Stephan Rinderknecht." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2014. http://d-nb.info/1110903294/34.

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16

Kopecký, Martin. "Konstrukce transtibiální protézy s využitím aditivní technologie výroby." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230992.

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The thesis deals with the design of a transtibial prosthesis by additive manufacturing technology. Based on walking biomechanics and the current situation of knowledge a prosthetic foot has been designed for a patient with low level of physical activity. Furthermore, the thesis describes the design of an individual socket for the patient. The socket has been designed by reverse engineer procedure based on the three-dimensional geometry of patient´s stump obtained by 3D scanning. Testing samples of the foot and the socket have been made for the check of functionality of both the devices and the

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17

Taufer, Tomáš. "Konstrukce stendu pro dynamické testování protéz dolních končetin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231767.

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This work describes design and realization of testing device for dynamic tests of foot prosthesis, made by methods of Rapid prototyping. Primary objective of design is to imitate the load on prosthesis during human gait. This task is accomplished by swing motion of prosthesis inside the frame of device during the loading of heel and tiptoe. Loading components can be removed and changed so the device can be used for different measurement like walking on an inclined plane. The result of this work is fully functional device including control program with many options to control the test. The resu

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Omasta, Milan. "Pevnostní analýza protézy dolní končetiny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228770.

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This masters´s thesis deals with computational modeling of transtibial lower-limb prosthesis. For assesment of loading character and geometrical configuration, the gait analysis of an amputee, including ground reaction force measurement, strain gauge analysis and motion analysis, was accomplished. Information on geometry was obtained using 3D optical scanning procedure. Material model was gathered using non-destructive mechanical testing and mimicked in a FEA software. For loading conditions the static structure analysys using FEM was accomplished. The critical poins in construction was found.

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19

Grøtner, Katrine, and Huy Hoang Pham. "Kinetik ved løb med dagligdagsprotese og løbespecifikprotese hos transtibial amputerede: Et cross-sectional studie." Thesis, Hälsohögskolan, Jönköping University, HHJ, Avd. för rehabilitering, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-49495.

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Formål: Formålet med studiet er at undersøge hvordan løb med en dagligdagsprotese og en løbespecifikprotese påvirker kinetik i nedre ekstremiteter hos mennesker med en transtibial-amputation. Metode: Kinetisk data blev indsamlet ved løbetests, med begge proteser, med et motion capture system og kraftplader i et klinisk ganganalyse lab i Göteborg, Sverige. Deltagere(n=2) udførte løbetests i selvvalgt hastighed, iført refleksive markører. Vertikal GRF, fod progressions vinkel, adducerende/abducerende hofte- og knæmoment udvalgt til videre databehandling. Resultat: Forskelle i hofte- og knæ a

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20

Carli, Valerio. "Design of an active foot for a smart prosthetic leg." Phd thesis, 2007. http://tuprints.ulb.tu-darmstadt.de/891/1/Dissertation_Valerio_12345_neu_klein.pdf.

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The purpose of this project is the realisation of a prosthetic foot, able to adapt to the different conditions encountered by the patient during walking. The analysis of the human gait shows that a normal foot has the capability to assume an optimised shape. Coordinated movements of body parts, together with the shape assumed by the foot, result in minimising the energy expenditure during walking. Concerning the prosthetic foot, the bending stiffness of the plantar spring is the quantity to vary, in order to achieve the desired change in foot properties. Three different concepts are investigat

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De, Asha Alan R., C. T. Barnett, Vasily Struchkov, and John G. Buckley. "Which prosthetic foot to prescribe? Biomechanical differences found during a single session comparison of different foot types hold true one year later." 2016. http://hdl.handle.net/10454/10922.

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Yes<br>Introduction: Clinicians typically use findings from cohort studies to objectively inform judgements regarding the potential (dis)advantages of prescribing a new prosthetic device. However, before finalising prescription a clinician will typically ask a patient to ‘try out’ a change of prosthetic device while the patient is at the clinic. Observed differences in gait when using the new device should be the result of the device’s mechanical function, but could also conceivably be due to patient related factors which can change from day-to-day and can thus make device comparisons unrel

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22

De, Asha Alan R., Louise Johnson, R. Munjal, J. Kulkarni, and John G. Buckley. "Attenuation of centre-of-pressure trajectory fluctuations under the prosthetic foot when using an articulating hydraulic ankle attachment compared to fixed attachment." 2012. http://hdl.handle.net/10454/7488.

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yes<br>Background Disruptions to the progress of the centre-of-pressure trajectory beneath prosthetic feet have been reported previously. These disruptions reflect how body weight is transferred over the prosthetic limb and are governed by the compliance of the prosthetic foot device and its ability to simulate ankle function. This study investigated whether using an articulating hydraulic ankle attachment attenuates centre-of-pressure trajectory fluctuations under the prosthetic foot compared to a fixed attachment. Methods Twenty active unilateral trans-tibial amputees completed walk

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Carli, Valerio [Verfasser]. "Design of an active foot for a smart prosthetic leg / vorgelegt von Valerio Carli." 2007. http://d-nb.info/986508594/34.

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Fey, Nicholas Phillip. "The influence of prosthetic foot design and walking speed on below-knee amputee gait mechanics." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4686.

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Unilateral below-knee amputees commonly experience asymmetrical gait patterns and develop comorbidities in their intact (non-amputated) and residual (amputated) legs, with the mechanisms leading to these asymmetries and comorbidities being poorly understood. Prosthetic feet have been designed in an attempt to minimize walking asymmetries by utilizing elastic energy storage and return (ESAR) to help provide body support, forward propulsion and leg swing initiation. However, identifying the influence of walking speed and prosthetic foot stiffness on amputee gait mechanics is needed to develop ev

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Shell, Courtney Elyse. "A framework for manipulating the sagittal and coronal plane stiffness of a commercially-available, low profile carbon fiber foot." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-08-6308.

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While amputee gait has been studied in great detail, the influence of prosthetic foot sagittal and coronal plane stiffness on amputee walking biomechanics is not well understood. In order to investigate the effects of sagittal and coronal plane foot stiffness on amputee walking, a framework for manipulating the stiffness of a prosthetic foot needs to be developed. The sagittal and coronal plane stiffness of a low profile carbon fiber prosthetic foot was manipulated through coupling with selective-laser-sintered prosthetic ankles. The carbon fiber foot provided an underlying non-linear stiffnes

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Askew, G. N., L. A. McFarlane, A. E. Minetti, and John G. Buckley. "Energy cost of ambulation in trans-tibial amputees using a dynamic-response foot with hydraulic versus rigid 'ankle': insights from body centre of mass dynamics." 2019. http://hdl.handle.net/10454/16902.

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Yes<br>Background Previous research has shown that use of a dynamic-response prosthetic foot (DRF) that incorporates a small passive hydraulic ankle device (hyA-F), provides certain biomechanical benefits over using a DRF that has no ankle mechanism (rigA-F). This study investigated whether use of a hyA-F in unilateral trans-tibial amputees (UTA) additionally provides metabolic energy expenditure savings and increases the symmetry in walking kinematics, compared to rigA-F. Methods Nine active UTA completed treadmill walking trials at zero gradient (at 0.8, 1.0, 1.2, 1.4, and 1.6 of custom

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Wu, Yu-Chin, and 吳昱沁. "Biomechanical studies of the newly designed foot prosthesis for patients with partial foot amputation." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/92263787814647190936.

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碩士<br>中原大學<br>醫學工程研究所<br>89<br>Foot structure changes following partial foot amputation surgery can result in abnormal biomechanical changes during gait. This may induce functional compensation, and subsequent re-amputation. Currently, there is no commonly accepted standardized partial foot prosthesis used in clinics. The aim of this research is to explore the biomechanics of partial amputation feet and to develop appropriate prostheses for such patients using CAD (Computer Aided Design) and CAE (Computer Aided Engineering) programs. In this study, we investigated the two largest groups of foo

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Yen, Cai Yao, and 顏才堯. "Development and Verification of Foot Pressure and Joint Angle Feedback Bionic Ankle Prosthesis." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/30782067980672813921.

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碩士<br>長庚大學<br>機械工程學系<br>100<br>Below knee amputation patients lost their leg dorsiflexion and plantar flexion functions because of their major muscles (e.g. the tibialis anterior muscle, gastrocnemius muscle, soleus muscle, etc.) and lower leg bones (tibia and fibula) had been amputated. These patients can’t have dorsiflexion, plantar flexion and driving force actions automatically while wearing traditional prostheses and walking. Hence, patients with below knee amputation need more energy consumption for walking because they have to swin their remaining limb instead of push off motion. Below

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Struchkov, Vasily, and John G. Buckley. "Biomechanics of ramp descent in unilateral trans-tibial amputees: Comparison of a microprocessor controlled foot with conventional ankle–foot mechanisms." 2015. http://hdl.handle.net/10454/8228.

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yes<br>Background Walking down slopes and/or over uneven terrain is problematic for unilateral trans-tibial amputees. Accordingly, ‘ankle’ devices have been added to some dynamic-response feet. This study determined whether use of a microprocessor controlled passive-articulating hydraulic ankle–foot device improved the gait biomechanics of ramp descent in comparison to conventional ankle–foot mechanisms. Methods Nine active unilateral trans-tibial amputees repeatedly walked down a 5° ramp, using a hydraulic ankle–foot with microprocessor active or inactive or using a comparable foot w

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"Anticipatory Muscle Responses for Transitioning Between Rigid Surface and Surfaces of Different Compliance: Towards Smart Ankle-foot Prostheses." Master's thesis, 2019. http://hdl.handle.net/2286/R.I.53887.

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abstract: Locomotion is of prime importance in enabling human beings to effectively respond in space and time to meet different needs. Approximately 2 million Americans live with an amputation with most of those amputations being of the lower limbs. To advance current state-of-the-art lower limb prosthetic devices, it is necessary to adapt performance at a level of intelligence seen in human walking. As such, this thesis focuses on the mechanisms involved during human walking, while transitioning from rigid to compliant surfaces such as from pavement to sand, grass or granular media. Ut

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Eslamy, Mahdy. "Emulation of Ankle Function for Different Gaits through Active Foot Prosthesis: Actuation Concepts, Control and Experiments." Phd thesis, 2014. https://tuprints.ulb.tu-darmstadt.de/4202/1/PhDEslamy.pdf.

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A main effort has been devoted in this thesis to consider the effects of the actuator components (i.e. springs, dampers and motors) and their configuration (i.e. the way they are assembled) in power and energy requirement of powered foot prostheses. It has been investigated which actuation mechanism would have the least requirements to perform a certain human gait (e.g. walking, running, ascending or descending the stairs). This thesis shows that the components of the robotic foot and their configurations are important design factors. This information is fundamental for building mechanic

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Chang, Chia-Hao, and 張家豪. "Computer Aided Manufacturing in Dental Prosthesis and Image-base Digital Measuring System of Foot Profile and Pressure." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/v4v524.

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碩士<br>崑山科技大學<br>機械工程研究所<br>91<br>The manufacture procedures of traditional dental restorations include many artificial steps. Each step will cause many errors that lead to different sizes of dental restorations from the original design and make patients have abnormal occlusions or insufficient contact. By the dentists’ clinical experience, investing among all of the manufacture procedures of the restorations will make the wax pattern deformed because of thermal expansion. It will cause greatest error of the manufacture procedure of the restorations. In the dental treatment territory, a lot of

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De, Asha Alan R., R. Munjal, J. Kulkarni, and John G. Buckley. "Impact on the biomechanics of overground gait of using an ‘Echelon’ hydraulic ankle–foot device in unilateral trans-tibial and trans-femoral amputees." 2014. http://hdl.handle.net/10454/8223.

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Yes<br>If a prosthetic foot creates resistance to forwards shank rotation as it deforms during loading, it will exert a braking effect on centre of mass progression. The present study determines whether the centre of mass braking effect exerted by an amputee's habitual rigid ‘ankle’ foot was reduced when they switched to using an ‘Echelon’ hydraulic ankle–foot device. Nineteen lower limb amputees (eight trans-femoral, eleven trans-tibial) walked overground using their habitual dynamic-response foot with rigid ‘ankle’ or ‘Echelon’ hydraulic ankle–foot device. Analysis determined changes in h

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