Quantitative and qualitative comparison of a new prosthetic suspension system with two existing suspension systems for lower limb amputees

Eshraghi, A. and Abu Osman, Noor Azuan and Karimi, M.T. and Gholizadeh, H. and Ali, S. and Wan Abas, Wan Abu Bakar (2012) Quantitative and qualitative comparison of a new prosthetic suspension system with two existing suspension systems for lower limb amputees. American Journal of Physical Medicine and Rehabilitation, 91 (12). pp. 1028-1038. ISSN 0894-9115

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Abstract

OBJECTIVE: The objectives of this study were to compare the effects of a newly designed magnetic suspension system with that of two existing suspension methods on pistoning inside the prosthetic socket and to compare satisfaction and perceived problems among transtibial amputees. DESIGN: In this prospective study, three lower limb prostheses with three different suspension systems were fabricated for ten transtibial amputees. The participants used each of the three prostheses for 1 mo in random order. Pistoning inside the prosthetic socket was measured by motion analysis system. The Prosthesis Evaluation Questionnaire was used to evaluate satisfaction and perceived problems with each suspension system. RESULTS: The lowest pistoning motion was found with the suction system compared with the other two suspension systems (P < 0.05). The new suspension system showed peak pistoning values similar to that of the pin lock system (P = 0.086). The results of the questionnaire survey revealed significantly higher satisfaction rates with the new system than with the other two systems in donning and doffing, walking, uneven walking, stair negotiation, and overall satisfaction (P < 0.05). CONCLUSIONS: The new suspension system has the potential to be used as an alternative to the available suspension systems. The pistoning motion was comparable to that of the other two systems. The new system showed compatible prosthetic suspension with the other two systems (suction and pin lock). The satisfaction with donning and doffing was high with the magnetic system. Moreover, the subjects reported fewer problems with the new system.

Item Type: Article
Additional Information: Eshraghi, Arezoo Abu Osman, Noor Azuan Karimi, Mohammad Taghi Gholizadeh, Hossien Ali, Sadeeq Wan Abas, Wan Abu Bakar eng Comparative Study Randomized Controlled Trial 2012/11/22 06:00 Am J Phys Med Rehabil. 2012 Dec;91(12):1028-38. doi: 10.1097/PHM.0b013e318269d82a.
Uncontrolled Keywords: Amputees, Personal Satisfaction, Prostheses, Rehabilitation, adult, aged, amputation stump, article, comparative study, controlled clinical trial, controlled study, disabled person, equipment failure analysis, human, leg, limb prosthesis, magnetism, male, mechanical stress, middle aged, patient satisfaction, prospective study, prosthesis, randomized controlled trial, Amputation Stumps, Artificial Limbs, Humans, Magnetics, Prospective Studies, Prosthesis Design, Stress, Mechanical.
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 10 Apr 2014 02:27
Last Modified: 07 Feb 2019 08:13
URI: http://eprints.um.edu.my/id/eprint/9541

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