Results 41 to 50 of about 51,286 (340)

Early detection of hip periprosthetic joint infections through CNN on Computed Tomography images [PDF]

open access: yes, 2023
Early detection of an infection prior to prosthesis removal (e.g., hips, knees or other areas) would provide significant benefits to patients. Currently, the detection task is carried out only retrospectively with a limited number of methods relying on biometric or other medical data.
arxiv   +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

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

Categorisation of activities of daily living of lower limb amputees during short-term use of a portable kinetic recording system: a preliminary study [PDF]

open access: yes, 2011
The purpose of this preliminary study was to determine the relevance of the categorisation of the load regime data to assess the functional output and usage of the prosthesis of lower limb amputees.
Frossard , Laurent   +4 more
core   +2 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

Reinforcement Learning Enabled Automatic Impedance Control of a Robotic Knee Prosthesis to Mimic the Intact Knee Motion in a Co-Adapting Environment [PDF]

open access: yesarXiv, 2021
Automatically configuring a robotic prosthesis to fit its user's needs and physical conditions is a great technical challenge and a roadblock to the adoption of the technology. Previously, we have successfully developed reinforcement learning (RL) solutions toward addressing this issue.
arxiv  

Knee Motion Generation Method for Transfemoral Prosthesis based on Kinematic Synergy and Inertial Motion [PDF]

open access: yesIEEE Transactions on Neural Systems and Rehabilitation Engineering ( Volume: PP, Issue: 99 ) pg 1, 2017
Previous research has shown that the effective use of inertial motion (i.e., less or no torque input at the knee joint) plays an important role in achieving a smooth gait of transfemoral prostheses in the swing phase. In our previous research, a method for generating a timed knee trajectory close to able-bodied individuals, which leads to sufficient ...
arxiv   +1 more source

Structural Simulation of a Bone-Prosthesis System of the Knee Joint

open access: yesSensors, 2008
In surgical knee replacement, the damaged knee joint is replaced with artificial prostheses. An accurate clinical evaluation must be carried out before applying knee prostheses to ensure optimal outcome from surgical operations and to reduce the ...
Aivars Zemitis   +7 more
doaj   +1 more source

Bouncy Knee in a Semi-Automatic Knee Lock Prosthesis [PDF]

open access: yesProsthetics & Orthotics International, 1986
The Bouncy Knee concept has previously proved of value when fitted to stabilised knee units of active amputees. The stance phase flex-extend action afforded by a Bouncy Knee increased the symmetry of gait and also gave better tolerance to slopes and uneven ground.
L. D. Fisher, M. Lord
openaire   +3 more sources

Total Knee Arthroplasty for Chronic Anterior Knee Dislocation

open access: yesClinical Medicine Insights: Case Reports, 2018
Background: The occurrence of chronic knee dislocation is rare. To the best of our knowledge, total knee arthroplasty for treatment of chronic anterior knee dislocation has not been reported. Method: This report describes 3 cases of chronic anterior knee
Mahmoud Jabalameli   +4 more
doaj   +1 more source

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