A systematic review on design technology and application of polycentric prosthetic knee in amputee rehabilitation
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INVITED REVIEW
A systematic review on design technology and application of polycentric prosthetic knee in amputee rehabilitation Rajesh Kumar Mohanty1,2 · R C Mohanty3 · Sukanta Kumar Sabut4 Received: 27 March 2020 / Accepted: 27 May 2020 © Australasian College of Physical Scientists and Engineers in Medicine 2020
Abstract The objective of this paper is to conduct a systematic review on design technology and clinical application of polycentric prosthetic knee joint in the rehabilitation of trans-femoral amputees. Relevant studies were identified using electronic database such as PubMed, EMBASE, SCOPUS and the Cochrane Controlled Trials Register (Rehabilitation and Related Therapies) up to February 2020. Screening of abstracts and application of inclusion and exclusion criteria were made. Design, modeling, material use, kinematic study, simulation technique and clinical application of polycentric knee models used in many developed and developing countries have been reviewed. Out of 516 potentially relevant studies, 43 articles were included. Specific variables on technical and clinical aspects were extracted and added to summary tables. The results reveal that polycentric knees have a variety of geometries but the methods for comparing their performances are rare. The data of structural analysis using different simulation techniques are validated with experimental results for determining model accuracy. Gait analysis using the polycentric knee components provides a valid tool to correlate with experimental results. There are well-designed studies on the technological development of polycentric knees, however, high-quality clinical researches are scarce. Conventional clinical knowledge had considerable gaps concerning the effects of polycentric knee and their mechanical characteristics on human functioning with a lower-limb prosthesis. Still, further research is needed to develop and implement standardized measures on prosthetic knee joints for their effective use, function, durability, and cost-effectiveness. Keywords Amputation · Clinical application · Finite element · Polycentric · Prosthetic knee · Trans-femoral
Introduction The major cause of amputation may be classified into traumatic and dys-vascular whereas oncological disorders and infection are also prevalent. According to sources, the incidence of amputation is 1.2 to 4.4 per 10,000 population * Rajesh Kumar Mohanty [email protected] 1
Centurion University of Technology and Management, Bhubaneswar, Odisha, India
2
Post Graduate Department of Prosthetics and Orthotics, Swami Vivekanand National Institute of Rehabilitation Training and Research, Cuttack, Odisha, India
3
Department of Mechanical Engineering, Centurion University of Technology & Management, Bhubaneswar, Odisha, India
4
School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha, India
globally [1, 2] and those performed in lower limb accounts for majority up to 90% [2]. It is estimated that by 2050, the numbers may double [3]
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