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The Contact Mechanics And Kinematics Of Radial Head Implants, Hannah L. Shannon
The Contact Mechanics And Kinematics Of Radial Head Implants, Hannah L. Shannon
Electronic Thesis and Dissertation Repository
A number of commercially available radial head (RH) implants are used for the management of RH fractures. The optimal shape of a RH implant to restore joint mechanics to the native state has not been established. This work compares radiocapitellar contact and kinematics for three implant designs as well as the native RH. These implants include an axisymmetric, a quasi-anatomic and a patient-specific design. When compared to the native RH, only the axisymmetric implant was significantly different in contact area (p=0.008). Active and passive forearm supination was assessed for differences in translations of the RH. Significant differences were found in …