Development of an Optimum Artificial Wrist Joint
Mallard, Thomas 2005. Development of an Optimum Artificial Wrist Joint. PhD Thesis University of East London School of Architecture, Computing and Engineering
Wrist joint prostheses have developed from simple silicone joint spacers to the current state of the art where design philosophy now follows that of large joint replacement. A variety of shortcomings identified in existing designs
The key tool in drawing conclusions from the articulating surfaces selected in the design proposals is Finite Element Analysis. The use of an implicit, nonlinear static contact analysis model developed and solved using MSC MARC
The anticipated displacements and loads caused by performing daily living tasks fall comfortably within the range of motion specified for the analyses.
The information from these analyses was used directly in making decisions on the design of the prosthesis in conjunction with cadaveric trials. The initial cadaveric trial validated the primary geometrical features of the design regarding centres of rotation and stem location and identified clear areas for design refinement. The second trial fully validated the design decisions taken.
Following the analytical work on the new design, and the completion of the cadaveric trials, a comparative analysis was carried out with competing designs to further validate the design. The results of this show that the new design is competitive in terms of demonstrating low stress concentrations over a practical range of motion, and that it also has excellent stability. Beyond these features, the new implant design also facilitates secure implantation, in
|Keywords||Wrist joint prostheses; Implant design; Joint replacements|
|Publication process dates|
|Deposited||16 Jan 2014|
This thesis supplied via ROAR to UEL-registered users is protected by copyright and other intellectual property rights, and duplication of any part of the material is not permitted, except for your personal use for the purposes of non-commercial research and private study in electronic or print form. You must obtain permission from the copyright-holder for any other use. Electronic or print copies may not be offered, for sale or otherwise, to anyone. No quotation from the thesis may be published without proper acknowledgement.
File Access Level
Registered users only
1views this month
0downloads this month