Abstract
A parametric design and optimization approach to enhance the fatigue life of a male pyramid socket adapter
Highlights
After an amputation and recovery period, the amputee can choose to fit a prosthesis to the residual limb
The results of the fatigue life testing are presented in table 2
The results indicate that a fatigue life of approximately 3 million cycles should be achievable for the optimized design when subjected to the P8 load level for a “pulsating tension” R = 0 fatigue load (Peters, et al, 2002)
Summary
After an amputation and recovery period, the amputee can choose to fit a prosthesis to the residual limb. Modern prostheses can perform sophisticated tasks simulating natural limb movement to suite the patient’s needs. Adjusting to a prosthesis requires that the amputee undergoes an extensive course of physiotherapy and rehabilitation. The amputee requires more energy to make use of a prosthesis as the residual limb has to compensate for the missing bone and muscle (Health Net, 2015). A transtibial, below the knee, amputation is the most common amputation currently performed in medicine (National Health Services in England, 2014; Prosthetic & Orthotic care, 2015). Since the knee joint is preserved, the amputee can regain or exceed their activity level prior to limb removal
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