For amputees, amputation is a devastating experience. Transfemoral amputees require an artificial lower limb prosthesis as a replacement for regaining their gait functions after amputation.
Muhammad Usman Qadir+5 more
doaj +1 more source
A new approach to a powered knee prosthesis: Layering powered assistance onto strictly passive prosthesis behavior. [PDF]
Culver SC+3 more
europepmc +1 more source
Artificial prosthesis of the knee joint combining with homogenous bone transplantation [PDF]
Hak Hyun Kim, Chi Sun Yoon, Yung Ho Yoo
openalex +1 more source
Within-socket Myoelectric Prediction of Continuous Ankle Kinematics for Control of a Powered Transtibial Prosthesis [PDF]
Objective. Powered robotic prostheses create a need for natural-feeling user interfaces and robust control schemes. Here, we examined the ability of a nonlinear autoregressive model to continuously map the kinematics of a transtibial prosthesis and ...
Beardsley, Scott A.+3 more
core +1 more source
Effect of carbon-fiber-reinforced polyetheretherketone on stress distribution in a redesigned tumor-type knee prosthesis: a finite element analysis. [PDF]
Wu H, Guo Y, Guo W.
europepmc +1 more source
An improved above-knee prosthesis with functional versatility [PDF]
K. K. Chaudhry, S. K. Guha, Swati Verma
openalex +1 more source
Beyond Gait: Learning Knee Angle for Seamless Prosthesis Control in Multiple Scenarios [PDF]
Deep learning models have become a powerful tool in knee angle estimation for lower limb prostheses, owing to their adaptability across various gait phases and locomotion modes. Current methods utilize Multi-Layer Perceptrons (MLP), Long-Short Term Memory Networks (LSTM), and Convolutional Neural Networks (CNN), predominantly analyzing motion ...
arxiv
Long-term Follow up of Van Nes Rotationplasty for Congenital Proximal Focal Femoral Deficiency [PDF]
Van Nes rotationplasty may be used for patients with congenital proximal focal femoral deficiency (PFFD). The lower limb is rotated to use the ankle and foot as a functional knee joint within a prosthesis.
Ackman, Jeffrey D.+8 more
core +1 more source
Mechanical alignment tolerance of a cruciate-retaining knee prosthesis under gait loading-A finite element analysis. [PDF]
Luan Y+8 more
europepmc +1 more source
Passive knee flexion increases forward impulse of the trailing leg during the step-to-step transition [PDF]
Human walking efficiency relies on the elastic recoil of the Achilles tendon, facilitated by a "catapult mechanism" that stores energy during stance and releases it during push-off. The catapult release mechanism could include the passive flexion of the knee, as the main part of knee flexion was reported to happen passively after leading leg touch-down.
arxiv