Document Type

Honors Thesis


In this paper the pressure and shear forces are quantified at the interface of a prosthetic socket and the residual limb. This is useful in determining the amount of adjustment needed during the prosthetic fitting procedure. The correct fit of the prosthesis is essential for complete and timely rehabilitation of the patient and return to normal ambulation after amputation. A cantilever beam load cell was developed to measure strain and inversely determine the pressure that caused it. The measurement system was verified with theoretical calculations and computational analysis. The results produced a cantilever beam load cell that can calibrate an antenna patch sensor for noninvasive measurement of interfacial stresses at the prosthetic socket-residual limb interface. The cantilever beam load cell predicted the pressure induced on it within one percent of the actual value.

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