Results 41 to 50 of about 556,572 (379)

Acoustic Emission Analysis (AEA) in unilateral leg amputees as a future quality tool in orthopaedic technology to evaluate the adjusted prosthesis in relation to gonarthritis

open access: yesCurrent Directions in Biomedical Engineering, 2023
In orthopaedic technology unilateral leg amputees are provided with prosthesis which are attached through a shaft to the remaining part of the leg.
Subke Joerg   +5 more
doaj   +1 more source

Numerical Measurement of a Virtual Model for the Knee Prosthesis Geometry

open access: yesApplied Sciences, 2021
The human knee joint usually suffers progressive deterioration with time. The conventional cure of this issue is to replace it with an alternate knee by applying the prosthesis implant.
Kheireddine Zehouani, Oldal István
doaj   +1 more source

Is standard total knee arthroplasty with lateral femoral overhanging a cause of anterior knee pain? A randomized controlled trial

open access: yesSICOT-J, 2022
Introduction: Anterior knee pain (AKP) may persist after total knee arthroplasty (TKA), even if well aligned and stable, and is reported in up to 30% of patients, leading to patient dissatisfaction.
Pongcharoen Boonchana   +2 more
doaj   +1 more source

Revision of tumor prosthesis of the knee joint [PDF]

open access: yesEuropean Journal of Orthopaedic Surgery & Traumatology, 2011
BACKGROUND: Among 40 patients with primary malignant tumors of the knee joint who underwent reconstruction of the affected limb with tumor prosthesis, revision was required in 7 due to stem breakage or loosening. SUBJECTS AND METHODS: In the 7 cases undergoing revision, conditions and background factors at the time of breakage, the breakage site, time
Yukihiro Yoshida   +5 more
openaire   +3 more sources

Cosmetic effect of knee joint in a knee disarticulation prosthesis [PDF]

open access: yesJournal of Rehabilitation Research and Development, 2014
Despite numerous advantages, knee disarticulations (KDs) are rarely performed because of the anticipated KD prosthesis fitting problems that include the positioning of the knee joint distally from the KD socket. This results in lengthening of the thigh and subsequent shortening of the shank. The objective of this study was to assess the cosmetic effect
Mark J. van der Pluijm   +4 more
openaire   +3 more sources

How should we assess the mechanical properties of lower-limb prosthesis technology used in elite sport?: An initial investigation [PDF]

open access: yes, 2013
Despite recent controversy, it is not yet formally recognised how lower-limb prosthesis should be assessed for their performance. To assist in this process, experiments are undertaken to investigate the linearity, stiffness and assessment of feet based ...
Dyer, Bryce T.J.   +2 more
core   +1 more source

Design and Validation of a Powered Knee–Ankle Prosthesis With High-Torque, Low-Impedance Actuators

open access: yesIEEE Transactions on robotics, 2020
In this article, we present the design of a powered knee–ankle prosthetic leg, which implements high-torque actuators with low-reduction transmissions.
Toby Elery   +3 more
semanticscholar   +1 more source

ARTHROPLASTY OF THE KNEE BY THE WALLDLUS PROSTHESIS [PDF]

open access: yesThe Journal of Bone and Joint Surgery. British volume, 1968
1. Forty-five arthroplasties of the knee with the Walldius prosthesis are reported in forty-two patients, thirty-seven with rheumatoid arthritis and five with osteoarthritis. 2. There has been no structural failure of the prosthesis. 3. Sepsis required removal of the prosthesis in three cases, but arthrodesis was obtained in two of the three.
openaire   +3 more sources

Powered knee and ankle prosthesis with indirect volitional swing control enables level-ground walking and crossing over obstacles

open access: yesScience Robotics, 2020
Control of prosthesis swing trajectory enables individuals to voluntarily change foot clearance to traverse obstacles. Powered prostheses aim to mimic the missing biological limb with controllers that are finely tuned to replicate the nominal gait ...
Joel Mendez   +3 more
semanticscholar   +1 more source

Effects of extended stance time on a powered knee prosthesis and gait symmetry on the lateral control of balance during walking in individuals with unilateral amputation

open access: yesJournal of NeuroEngineering and Rehabilitation, 2019
Individuals with lower limb amputation commonly exhibit large gait asymmetries that are associated with secondary health issues. It has been shown that they are capable of attaining improved temporal and propulsive symmetry when walking with a powered ...
Andrea Brandt, H. Huang
semanticscholar   +1 more source

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