نتایج جستجو برای: prosthetic

تعداد نتایج: 16740  

Journal: :CoRR 2011
Biswarup Neogi Soumyajit Mukherjee Soumya Ghosal Achintya Das D. N. Tibarewala

Any part of the human body replication procedure commences the prosthetic control science. This paper highlights the hardware design technique of a prosthetic arm with implementation of gear motor control aspect. The prosthetic control arm movement has been demonstrated in this paper applying processor programming and with the successful testing of the designed prosthetic model. The architectur...

Journal: :Gait & posture 2011
David C Morgenroth Ava D Segal Karl E Zelik Joseph M Czerniecki Glenn K Klute Peter G Adamczyk Michael S Orendurff Michael E Hahn Steven H Collins Art D Kuo

Lower extremity amputation not only limits mobility, but also increases the risk of knee osteoarthritis of the intact limb. Dynamic walking models of non-amputees suggest that pushing-off from the trailing limb can reduce collision forces on the leading limb. These collision forces may determine the peak knee external adduction moment (EAM), which has been linked to the development of knee OA i...

2011
David C. Morgenroth Ava D. Segal Karl E. Zelik Joseph M. Czerniecki Glenn K. Klute Peter G. Adamczyk Michael S. Orendurff Michael E. Hahn Steven H. Collins Art D. Kuo Jane B. Shofer

Lower extremity amputation not only limits mobility, but also increases the risk of knee osteoarthritis of the intact limb. Dynamic walking models of non-amputees suggest that an appropriately timed push-off from the trailing limb can reduce collision forces on the leading limb. These collision forces may determine the peak knee external adduction moment (EAM), which has been linked to the deve...

2002
Brian J. Hafner Joan E. Sanders Joseph M. Czerniecki

Purpose of the Work. The review examines techniques of performance analysis in energy storage and return (ESAR) prosthetic feet, synthesizes clinical study results reported in the literature, suggests a technically accurate and common terminology, and proposes a novel method of foot classification for use in prosthetic research, design, and prescription. Procedures. An array of techniques has b...

Journal: :Journal of biomechanics 2009
Carolin Curtze At L Hof Helco G van Keeken Jan P K Halbertsma Klaas Postema Bert Otten

A prosthetic foot is a key element of a prosthetic leg, literally forming the basis for a stable and efficient amputee gait. We determined the roll-over characteristics of a broad range of prosthetic feet and examined the effect of a variety of shoes on these characteristics. The body weight of a person acting on a prosthetic foot during roll-over was emulated by means of an inverted pendulum-l...

2016
Mehmet Ali Astarcıoğlu Macit Kalçık Mahmut Yesin Mustafa Ozan Gürsoy Taner Şen Süleyman Karakoyun Sabahattin Gündüz Mehmet Özkan

OBJECTIVE The non-O alleles of the ABO genotype have been associated with an increased risk of thrombosis. We aimed to assess the association between blood group status and prosthetic valve thrombosis. METHODS The association between AB0 blood group status and prosthetic valve thrombosis was assessed in this retrospective study. Transesophageal echocardiography was performed in 149 patients w...

Journal: :Prosthetics and orthotics international 2006
H Goujon X Bonnet P Sautreuil M Maurisset L Darmon P Fode F Lavaste

This paper reports on a functional evaluation of prosthetic feet based on gait analysis. The aim is to analyse prosthetic feet behaviour under loads applied during gait in order to quantify user benefits for each foot. Ten traumatic amputees (six trans-tibial and four trans-femoral) were tested using their own prosthetic foot. An original protocol is presented to calculate the forefoot kinemati...

Journal: :Journal of rehabilitation research and development 1996
M B Silver-Thorn D S Childress

A finite element (FE) model of the below-knee residual limb and prosthetic socket was created to investigate the effects of parameter variations on the interface stress distribution during static stance. This model was based upon geometric approximations of anthropometric residual limb geometry. The model was not specific to an individual with amputation, but could be scaled to approximate the ...

2016
Owen N. Beck Paolo Taboga Alena M. Grabowski

The mechanical stiffness of running-specific prostheses likely affects the functional abilities of athletes with leg amputations. However, each prosthetic manufacturer recommends prostheses based on subjective stiffness categories rather than performance based metrics. The actual mechanical stiffness values of running-specific prostheses (i.e. kN/m) are unknown. Consequently, we sought to chara...

Journal: :Internal medicine 2011
Shu-Xiang Wang Chang-Jen Yang Yu-Chuan Chen Chorng-Jang Lay Chen-Chi Tsai

Nontuberculous mycobacterium (NTM) is an infrequent cause of prosthetic knee joint infections. Simultaneous infection with different NTM species in a prosthetic knee joint has not been previously reported. A case of prosthetic knee joint infection caused by Mycobacterium abscessus and M. fortuitum is described in this report. The patient was successfully treated with adequate antibiotics and su...

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