The effects of suction and pin/lock suspension systems on transtibial amputees' gait performance.
The effects of suction and pin/lock suspension systems on transtibial amputees' gait performance.
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DOI：
10.1371/journal.pone.0094520
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Ali S
中科院分区：
文献类型：
--
作者：
Gholizadeh H;Abu Osman NA;Eshraghi A;Ali S
通常为经胫骨截肢者规定的吸引插座被认为比销/锁系统提供更好的悬挂。然而，它们对截肢者步态表现的影响尚未得到充分研究。本研究的主要目的是了解Seal-in（抽吸）和Dermo（针/锁）悬挂系统对截肢者步态表现的潜在影响。10例单侧经胫骨截肢者参加了这项前瞻性研究，并为他们每人制作了两个假体。一个三维运动分析系统被用来评估正常行走过程中的时空，运动学和动力学变量。我们还要求参与者完成假体评估问卷（PEQ）的一些部分，以了解他们对两种系统的满意度和问题。结果表明，使用负压吸引系统的假肢与健全肢体的时空参数具有更好的对称性。但两种系统之间的差异不显著（p<0.05）。动力学数据和受试者反馈的评估表明，参与者对使用吸力插座更有信心，插座更适合步行。然而，由于穿脱困难，参与者对该系统的投诉较多。可以得出结论，尽管吸力承窝可以产生更好的悬挂、配合和步态性能，但由于假体易于穿戴和脱下，销/锁系统的总体满意度更高。irct.ir IRCT2014012816395N1
The suction sockets that are commonly prescribed for transtibial amputees are believed to provide a better suspension than the pin/lock systems. Nevertheless, their effect on amputees’ gait performance has not yet been fully investigated. The main intention of this study was to understand the potential effects of the Seal-in (suction) and the Dermo (pin/lock) suspension systems on amputees’ gait performance. Ten unilateral transtibial amputees participated in this prospective study, and two prostheses were fabricated for each of them. A three-dimensional motion analysis system was used to evaluate the temporal-spatial, kinematics and kinetics variables during normal walking. We also asked the participants to complete some part of Prosthesis Evaluation Questionnaire (PEQ) regarding their satisfaction and problems with both systems. The results revealed that there was more symmetry in temporal-spatial parameters between the prosthetic and sound limbs using the suction system. However, the difference between two systems was not significant (p<0.05). Evaluation of kinetic data and the subjects’ feedback showed that the participants had more confidence using the suction socket and the sockets were more fit for walking. Nevertheless, the participants had more complaints with this system due to the difficulty in donning and doffing. It can be concluded that even though the suction socket could create better suspension, fit, and gait performance, overall satisfaction was higher with the pin/lock system due to easy donning and doffing of the prosthesis. irct.ir IRCT2014012816395N1
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