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Rehabilitation evaluation of the newly developed polymeric based passive polycentric knee joint.
Disabil Rehabil Assist Technol
November 2020
Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, India.
The lower limb amputation is one of the major concerns for the amputee's daily life and the trans-femoral (TF) amputation is being paid a lot of attention because of its functional requirement in flexion-extension motion. Though significant progress has been made for the development of high end prosthetic knee joint, the affordability of the same is still a great concern. Thus, a passive polycentric knee joint was developed and the health related quality of life (HRQL) before and after the fixation of the prosthesis, and performance of the same were studied.
View Article and Find Full Text PDFEvaluation of the temporary effect of physical vapor deposition silver coating on resistance to infection in transdermal skin and bone integrated pylon with deep porosity.
J Biomed Mater Res B Appl Biomater
January 2019
Poly-Orth International, Sharon, Massachusetts.
Periprosthetic infection via skin-implant interface is a leading cause of failures and revisions in direct skeletal attachment of limb prostheses. Implants with deep porosity fabricated with skin and bone integrated pylons (SBIP) technology allow for skin ingrowth through the implant's structure creating natural barrier against infection. However, until the skin cells remodel in all pores of the implant, additional care is required to prevent from entering bacteria to the still nonoccupied pores.
View Article and Find Full Text PDFMechanical characterization and validation of poly (methyl methacrylate)/multi walled carbon nanotube composite for the polycentric knee joint.
J Mech Behav Biomed Mater
October 2015
Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India. Electronic address:
Trans femoral amputation is one of the most uncomfortable surgeries in patient׳s life, where the prosthesis consisting of a socket, knee joint, pylon and foot is used to do the walking activities. The artificial prosthetic knee joint imitates the functions of human knee to achieve the flexion-extension for the above knee amputee. The objective of present work is to develop a light weight composite material for the knee joint to reduce the metabolic cost of an amputee.
View Article and Find Full Text PDFEffect of age on progression through temporary prostheses after below-knee amputation.
Am J Phys Med Rehabil
December 1993
Rehabilitation Medicine Service, DVA West Los Angeles Veterans Affairs Medical Center, CA 90073.
Forty six patients that underwent below knee amputation for diabetes, trauma/osteomyelitis or peripheral vascular disease were studied. Healing was estimated by the rate of progression through temporary prostheses as determined weekly by the amputee rehabilitation team (physiatrist, orthopedist, physical therapist, nurse, and prosthetist). For all groups combined, mean days +/- standard error from amputation to above knee cast with pylon and foot (AKPy) were 22.
View Article and Find Full Text PDFRepeatability of kinetic and kinematic measurements in gait studies of the lower limb amputee.
Prosthet Orthot Int
August 1987
Bioengineering Unit, University of Strathclyde, Glasgow, Scotland.
During the last few years considerable attention has been given to the use of gait analysis as a tool for clinical use. The instrumentation for measurement of the kinetics and kinematics of human locomotion was originally designed for research use. Extension of its use into the clinical field calls for simplified methodology and clearly defined protocols with precise identification of the relevant parameters for the analysis.
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